/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=DEEPEST --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf language data_model -i ../../../trunk/examples/svcomp/systemc/token_ring.04.cil-2.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-28 01:04:29,394 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-28 01:04:29,397 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-28 01:04:29,435 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-28 01:04:29,435 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-28 01:04:29,437 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-28 01:04:29,439 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-28 01:04:29,441 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-28 01:04:29,444 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-28 01:04:29,445 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-28 01:04:29,446 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-28 01:04:29,448 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-28 01:04:29,449 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-28 01:04:29,450 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-28 01:04:29,451 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-28 01:04:29,453 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-28 01:04:29,454 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-28 01:04:29,455 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-28 01:04:29,457 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-28 01:04:29,460 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-28 01:04:29,462 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-28 01:04:29,463 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-28 01:04:29,465 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-28 01:04:29,466 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-28 01:04:29,483 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-28 01:04:29,485 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-28 01:04:29,486 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-28 01:04:29,488 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-28 01:04:29,489 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-28 01:04:29,490 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-28 01:04:29,490 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-28 01:04:29,492 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-28 01:04:29,493 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-28 01:04:29,494 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-28 01:04:29,495 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-28 01:04:29,495 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-28 01:04:29,496 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-28 01:04:29,497 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-28 01:04:29,497 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-28 01:04:29,498 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-28 01:04:29,499 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-28 01:04:29,503 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-28 01:04:29,533 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-28 01:04:29,534 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-28 01:04:29,535 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-28 01:04:29,536 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-28 01:04:29,536 INFO L138 SettingsManager]: * Use SBE=true [2020-10-28 01:04:29,536 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-28 01:04:29,536 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-28 01:04:29,537 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-28 01:04:29,537 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-28 01:04:29,537 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-28 01:04:29,537 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-28 01:04:29,538 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-28 01:04:29,538 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-28 01:04:29,538 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-28 01:04:29,538 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-28 01:04:29,539 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-28 01:04:29,539 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-28 01:04:29,539 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-28 01:04:29,539 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-28 01:04:29,539 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-28 01:04:29,540 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-28 01:04:29,540 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-28 01:04:29,540 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-28 01:04:29,541 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-28 01:04:29,541 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-28 01:04:29,541 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-28 01:04:29,541 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-28 01:04:29,541 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-28 01:04:29,542 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-28 01:04:29,542 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=DEEPEST;log-additional-information=true;unknown-allowed=true; [2020-10-28 01:04:30,000 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-28 01:04:30,032 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-28 01:04:30,035 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-28 01:04:30,037 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-28 01:04:30,038 INFO L275 PluginConnector]: CDTParser initialized [2020-10-28 01:04:30,039 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/systemc/token_ring.04.cil-2.c [2020-10-28 01:04:30,122 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/87e510004/9439572e43dc42f183c869f595b9909f/FLAG50d9b8cd8 [2020-10-28 01:04:30,897 INFO L306 CDTParser]: Found 1 translation units. [2020-10-28 01:04:30,898 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/systemc/token_ring.04.cil-2.c [2020-10-28 01:04:30,919 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/87e510004/9439572e43dc42f183c869f595b9909f/FLAG50d9b8cd8 [2020-10-28 01:04:31,169 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/87e510004/9439572e43dc42f183c869f595b9909f [2020-10-28 01:04:31,173 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-28 01:04:31,180 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-28 01:04:31,183 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-28 01:04:31,184 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-28 01:04:31,188 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-28 01:04:31,190 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 01:04:31" (1/1) ... [2020-10-28 01:04:31,195 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7260ffa1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 01:04:31, skipping insertion in model container [2020-10-28 01:04:31,195 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 01:04:31" (1/1) ... [2020-10-28 01:04:31,204 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-28 01:04:31,270 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-28 01:04:31,509 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 01:04:31,522 INFO L203 MainTranslator]: Completed pre-run [2020-10-28 01:04:31,588 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 01:04:31,621 INFO L208 MainTranslator]: Completed translation [2020-10-28 01:04:31,622 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 01:04:31 WrapperNode [2020-10-28 01:04:31,622 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-28 01:04:31,624 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-28 01:04:31,624 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-28 01:04:31,624 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-28 01:04:31,639 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 01:04:31" (1/1) ... [2020-10-28 01:04:31,641 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 01:04:31" (1/1) ... [2020-10-28 01:04:31,673 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 01:04:31" (1/1) ... [2020-10-28 01:04:31,674 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 01:04:31" (1/1) ... [2020-10-28 01:04:31,712 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 01:04:31" (1/1) ... [2020-10-28 01:04:31,748 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 01:04:31" (1/1) ... [2020-10-28 01:04:31,757 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 01:04:31" (1/1) ... [2020-10-28 01:04:31,774 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-28 01:04:31,776 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-28 01:04:31,776 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-28 01:04:31,776 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-28 01:04:31,780 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 01:04:31" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-28 01:04:31,882 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-28 01:04:31,882 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-28 01:04:31,882 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-28 01:04:31,883 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2020-10-28 01:04:31,883 INFO L138 BoogieDeclarations]: Found implementation of procedure master [2020-10-28 01:04:31,883 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit1 [2020-10-28 01:04:31,883 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit2 [2020-10-28 01:04:31,883 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit3 [2020-10-28 01:04:31,884 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit4 [2020-10-28 01:04:31,884 INFO L138 BoogieDeclarations]: Found implementation of procedure is_master_triggered [2020-10-28 01:04:31,884 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit1_triggered [2020-10-28 01:04:31,884 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit2_triggered [2020-10-28 01:04:31,884 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit3_triggered [2020-10-28 01:04:31,885 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit4_triggered [2020-10-28 01:04:31,885 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels [2020-10-28 01:04:31,885 INFO L138 BoogieDeclarations]: Found implementation of procedure init_threads [2020-10-28 01:04:31,885 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2020-10-28 01:04:31,885 INFO L138 BoogieDeclarations]: Found implementation of procedure eval [2020-10-28 01:04:31,885 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events [2020-10-28 01:04:31,886 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events [2020-10-28 01:04:31,886 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads [2020-10-28 01:04:31,886 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2020-10-28 01:04:31,886 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_time_events [2020-10-28 01:04:31,887 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_time_events [2020-10-28 01:04:31,887 INFO L138 BoogieDeclarations]: Found implementation of procedure init_model [2020-10-28 01:04:31,887 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_simulation [2020-10-28 01:04:31,887 INFO L138 BoogieDeclarations]: Found implementation of procedure start_simulation [2020-10-28 01:04:31,887 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-28 01:04:31,888 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-28 01:04:31,888 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-28 01:04:31,888 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-28 01:04:31,888 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-28 01:04:31,889 INFO L130 BoogieDeclarations]: Found specification of procedure error [2020-10-28 01:04:31,889 INFO L130 BoogieDeclarations]: Found specification of procedure is_master_triggered [2020-10-28 01:04:31,889 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit1_triggered [2020-10-28 01:04:31,889 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit2_triggered [2020-10-28 01:04:31,890 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit3_triggered [2020-10-28 01:04:31,890 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit4_triggered [2020-10-28 01:04:31,890 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2020-10-28 01:04:31,890 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-28 01:04:31,890 INFO L130 BoogieDeclarations]: Found specification of procedure master [2020-10-28 01:04:31,891 INFO L130 BoogieDeclarations]: Found specification of procedure transmit1 [2020-10-28 01:04:31,891 INFO L130 BoogieDeclarations]: Found specification of procedure transmit2 [2020-10-28 01:04:31,891 INFO L130 BoogieDeclarations]: Found specification of procedure transmit3 [2020-10-28 01:04:31,891 INFO L130 BoogieDeclarations]: Found specification of procedure transmit4 [2020-10-28 01:04:31,892 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels [2020-10-28 01:04:31,892 INFO L130 BoogieDeclarations]: Found specification of procedure init_threads [2020-10-28 01:04:31,892 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2020-10-28 01:04:31,892 INFO L130 BoogieDeclarations]: Found specification of procedure eval [2020-10-28 01:04:31,893 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events [2020-10-28 01:04:31,893 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events [2020-10-28 01:04:31,893 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads [2020-10-28 01:04:31,893 INFO L130 BoogieDeclarations]: Found specification of procedure fire_time_events [2020-10-28 01:04:31,893 INFO L130 BoogieDeclarations]: Found specification of procedure reset_time_events [2020-10-28 01:04:31,894 INFO L130 BoogieDeclarations]: Found specification of procedure init_model [2020-10-28 01:04:31,894 INFO L130 BoogieDeclarations]: Found specification of procedure stop_simulation [2020-10-28 01:04:31,894 INFO L130 BoogieDeclarations]: Found specification of procedure start_simulation [2020-10-28 01:04:31,894 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-28 01:04:31,894 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-28 01:04:31,895 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-28 01:04:31,895 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-28 01:04:31,895 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-28 01:04:31,895 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-28 01:04:31,895 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-28 01:04:32,969 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-28 01:04:32,970 INFO L298 CfgBuilder]: Removed 7 assume(true) statements. [2020-10-28 01:04:32,972 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 01:04:32 BoogieIcfgContainer [2020-10-28 01:04:32,972 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-28 01:04:32,974 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-28 01:04:32,974 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-28 01:04:32,978 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-28 01:04:32,978 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 01:04:31" (1/3) ... [2020-10-28 01:04:32,979 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ebf2634 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 01:04:32, skipping insertion in model container [2020-10-28 01:04:32,979 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 01:04:31" (2/3) ... [2020-10-28 01:04:32,980 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ebf2634 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 01:04:32, skipping insertion in model container [2020-10-28 01:04:32,980 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 01:04:32" (3/3) ... [2020-10-28 01:04:32,982 INFO L111 eAbstractionObserver]: Analyzing ICFG token_ring.04.cil-2.c [2020-10-28 01:04:32,994 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-28 01:04:33,000 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-28 01:04:33,015 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-28 01:04:33,044 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-28 01:04:33,044 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-28 01:04:33,044 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-28 01:04:33,044 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-28 01:04:33,044 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-28 01:04:33,045 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-28 01:04:33,045 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-28 01:04:33,045 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-28 01:04:33,071 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states. [2020-10-28 01:04:33,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2020-10-28 01:04:33,086 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 01:04:33,087 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] [2020-10-28 01:04:33,088 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 01:04:33,094 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 01:04:33,095 INFO L82 PathProgramCache]: Analyzing trace with hash 470797181, now seen corresponding path program 1 times [2020-10-28 01:04:33,105 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 01:04:33,106 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [346346249] [2020-10-28 01:04:33,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 01:04:33,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:04:33,403 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:33,583 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:33,750 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:33,805 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:33,982 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:36,219 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:36,311 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:36,346 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:36,700 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:36,766 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:37,293 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:37,328 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:37,356 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:37,384 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:37,410 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:37,436 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:37,460 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:38,352 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:04:38,354 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 161 [2020-10-28 01:04:38,354 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 17 [2020-10-28 01:04:38,355 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5023 [2020-10-28 01:04:38,361 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:04:38,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 01:04:38,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 94 [2020-10-28 01:04:38,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-28 01:04:38,362 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 6 [2020-10-28 01:04:38,885 WARN L193 SmtUtils]: Spent 409.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-28 01:04:38,892 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 01:04:38,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:04:38,918 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:38,942 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:04:38,942 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 01:04:38,943 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:04:38,943 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-28 01:04:38,943 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:04:38,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:04:38,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:04:38,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:04:38,944 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:04:38,989 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 01:04:38,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:04:38,993 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:38,995 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:04:38,996 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 01:04:38,996 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:04:38,996 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 01:04:38,996 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:04:38,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:04:38,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:04:38,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:04:38,997 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:04:38,999 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 01:04:39,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:04:39,002 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:39,003 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:04:39,003 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 01:04:39,003 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:04:39,003 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:04:39,004 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:04:39,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:04:39,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:04:39,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:04:39,005 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:04:39,035 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 01:04:39,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:04:39,039 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:39,042 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:04:39,043 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-28 01:04:39,043 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:04:39,043 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 01:04:39,043 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:04:39,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:04:39,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:04:39,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:04:39,044 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:04:39,102 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-28 01:04:39,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:04:39,107 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:39,112 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:04:39,113 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-28 01:04:39,113 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:04:39,113 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 01:04:39,113 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:04:39,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:04:39,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:04:39,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:04:39,114 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:04:39,119 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-28 01:04:39,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:04:39,133 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:39,143 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:39,155 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:39,753 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:04:39,753 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-10-28 01:04:39,754 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 01:04:39,754 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 625 [2020-10-28 01:04:39,754 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:04:39,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 01:04:39,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 30 [2020-10-28 01:04:39,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 01:04:39,755 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:04:39,864 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 01:04:39,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:04:39,870 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:39,872 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:04:39,877 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:04:39,878 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:04:39,878 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 01:04:39,878 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:04:39,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:04:39,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:04:39,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:04:39,879 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 01:04:39,884 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 01:04:39,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:04:39,888 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:39,890 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:04:39,890 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:04:39,891 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:04:39,891 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 01:04:39,891 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:04:39,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:04:39,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:04:39,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:04:39,892 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 01:04:39,894 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 01:04:39,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:04:39,898 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:39,904 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:04:39,904 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:04:39,904 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:04:39,905 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 01:04:39,905 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:04:39,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 01:04:39,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:04:39,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 01:04:39,906 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:04:39,951 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-28 01:04:39,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:04:39,955 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:39,957 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:04:39,957 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:04:39,957 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:04:39,958 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 01:04:39,958 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:04:39,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:04:39,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-28 01:04:39,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:04:39,959 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 01:04:39,961 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 01:04:39,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:04:39,964 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:39,966 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:04:39,966 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:04:39,967 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:04:39,967 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 01:04:39,967 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:04:39,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:04:39,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-28 01:04:39,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:04:39,968 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 01:04:39,975 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-28 01:04:39,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:04:39,982 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:39,999 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:04:39,999 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-28 01:04:39,999 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:04:40,000 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-28 01:04:40,000 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:04:40,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 01:04:40,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 01:04:40,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-28 01:04:40,001 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 01:04:40,116 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2020-10-28 01:04:40,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:04:40,119 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:40,121 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:04:40,122 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 01:04:40,122 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:04:40,122 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 01:04:40,122 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:04:40,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:04:40,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 01:04:40,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:04:40,123 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:04:40,157 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 01:04:40,158 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [346346249] [2020-10-28 01:04:40,160 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 01:04:40,161 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-10-28 01:04:40,162 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1926568107] [2020-10-28 01:04:40,168 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-28 01:04:40,168 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 01:04:40,184 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-28 01:04:40,186 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2020-10-28 01:04:40,189 INFO L87 Difference]: Start difference. First operand 245 states. Second operand 13 states. [2020-10-28 01:04:41,982 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2020-10-28 01:04:43,069 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2020-10-28 01:04:43,401 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-28 01:04:43,730 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2020-10-28 01:04:44,032 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2020-10-28 01:04:44,372 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2020-10-28 01:04:44,899 WARN L193 SmtUtils]: Spent 300.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-10-28 01:04:45,409 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2020-10-28 01:04:45,816 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-28 01:04:46,389 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2020-10-28 01:04:47,236 WARN L193 SmtUtils]: Spent 307.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2020-10-28 01:04:54,810 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2020-10-28 01:04:55,164 WARN L193 SmtUtils]: Spent 301.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-28 01:04:55,530 WARN L193 SmtUtils]: Spent 301.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2020-10-28 01:05:09,037 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 01:05:09,037 INFO L93 Difference]: Finished difference Result 1303 states and 2342 transitions. [2020-10-28 01:05:09,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2020-10-28 01:05:09,041 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 121 [2020-10-28 01:05:09,042 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 01:05:09,073 INFO L225 Difference]: With dead ends: 1303 [2020-10-28 01:05:09,074 INFO L226 Difference]: Without dead ends: 1059 [2020-10-28 01:05:09,085 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 665 ImplicationChecksByTransitivity, 7.1s TimeCoverageRelationStatistics Valid=532, Invalid=2018, Unknown=0, NotChecked=0, Total=2550 [2020-10-28 01:05:09,107 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1059 states. [2020-10-28 01:05:09,343 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1059 to 755. [2020-10-28 01:05:09,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 755 states. [2020-10-28 01:05:09,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 755 states to 755 states and 1159 transitions. [2020-10-28 01:05:09,358 INFO L78 Accepts]: Start accepts. Automaton has 755 states and 1159 transitions. Word has length 121 [2020-10-28 01:05:09,359 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 01:05:09,359 INFO L481 AbstractCegarLoop]: Abstraction has 755 states and 1159 transitions. [2020-10-28 01:05:09,359 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-28 01:05:09,359 INFO L276 IsEmpty]: Start isEmpty. Operand 755 states and 1159 transitions. [2020-10-28 01:05:09,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2020-10-28 01:05:09,374 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 01:05:09,374 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] [2020-10-28 01:05:09,374 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-28 01:05:09,375 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 01:05:09,375 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 01:05:09,375 INFO L82 PathProgramCache]: Analyzing trace with hash -191513603, now seen corresponding path program 1 times [2020-10-28 01:05:09,376 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 01:05:09,376 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1283046807] [2020-10-28 01:05:09,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 01:05:09,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:05:09,466 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:09,493 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:09,566 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:09,596 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:09,941 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:10,032 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:10,064 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:10,130 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:10,214 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:10,259 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:10,317 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:10,345 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:10,375 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:10,402 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:10,430 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:11,862 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:14,439 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:05:14,440 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 161 [2020-10-28 01:05:14,440 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 16 [2020-10-28 01:05:14,440 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-28 01:05:14,440 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:05:14,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 01:05:14,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 61 [2020-10-28 01:05:14,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 01:05:14,441 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:05:14,774 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-28 01:05:14,775 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 01:05:14,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:05:14,786 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:14,796 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:05:14,797 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 01:05:14,797 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:05:14,797 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-28 01:05:14,797 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:05:14,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:05:14,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:05:14,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:05:14,798 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:05:14,833 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 01:05:14,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:05:14,836 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:14,838 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:05:14,838 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 01:05:14,838 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:05:14,838 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 01:05:14,838 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:05:14,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:05:14,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:05:14,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:05:14,839 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:05:14,841 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 01:05:14,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:05:14,842 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:14,843 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:05:14,843 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 01:05:14,843 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:05:14,843 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 01:05:14,844 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:05:14,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:05:14,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:05:14,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:05:14,844 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:05:14,871 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 01:05:14,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:05:14,874 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:14,876 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:05:14,877 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-28 01:05:14,877 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:05:14,877 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 01:05:14,877 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:05:14,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:05:14,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:05:14,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:05:14,878 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:05:14,934 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-28 01:05:14,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:05:14,937 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:14,941 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:05:14,942 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-28 01:05:14,942 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:05:14,942 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 01:05:14,942 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:05:14,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:05:14,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:05:14,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:05:14,943 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:05:14,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-28 01:05:14,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:05:14,959 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:15,000 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:05:15,000 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-10-28 01:05:15,000 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:05:15,001 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 45 [2020-10-28 01:05:15,001 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:05:15,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 01:05:15,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-28 01:05:15,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 01:05:15,002 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:05:15,085 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 01:05:15,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:05:15,089 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:15,095 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:05:15,095 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:05:15,095 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:05:15,095 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 01:05:15,096 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:05:15,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 01:05:15,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:05:15,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 01:05:15,097 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:05:15,146 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 01:05:15,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:05:15,149 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:15,150 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:05:15,150 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:05:15,151 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:05:15,151 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 01:05:15,151 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:05:15,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:05:15,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-28 01:05:15,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:05:15,152 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:05:15,153 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 01:05:15,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:05:15,155 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:15,157 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:05:15,157 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:05:15,157 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:05:15,157 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:05:15,157 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:05:15,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:05:15,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-28 01:05:15,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:05:15,158 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:05:15,159 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-28 01:05:15,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:05:15,162 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:15,163 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:05:15,163 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:05:15,163 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:05:15,164 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:05:15,164 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:05:15,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:05:15,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-28 01:05:15,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:05:15,165 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:05:15,166 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 01:05:15,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:05:15,168 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:15,170 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:05:15,170 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:05:15,170 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:05:15,170 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:05:15,170 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:05:15,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:05:15,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-28 01:05:15,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:05:15,171 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:05:15,175 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-28 01:05:15,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:05:15,179 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:15,183 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:05:15,183 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-28 01:05:15,183 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:05:15,184 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 01:05:15,184 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:05:15,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:05:15,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-28 01:05:15,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:05:15,184 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:05:15,188 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2020-10-28 01:05:15,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:05:15,190 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:15,191 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:05:15,192 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 01:05:15,192 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:05:15,192 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:05:15,192 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:05:15,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:05:15,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 01:05:15,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:05:15,193 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:05:15,217 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 01:05:15,218 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1283046807] [2020-10-28 01:05:15,218 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 01:05:15,218 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-28 01:05:15,218 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1121303996] [2020-10-28 01:05:15,220 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-28 01:05:15,220 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 01:05:15,221 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-28 01:05:15,221 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-10-28 01:05:15,221 INFO L87 Difference]: Start difference. First operand 755 states and 1159 transitions. Second operand 10 states. [2020-10-28 01:05:16,403 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2020-10-28 01:05:16,741 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2020-10-28 01:05:17,072 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2020-10-28 01:05:17,400 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-10-28 01:05:22,668 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 01:05:22,671 INFO L93 Difference]: Finished difference Result 1734 states and 2841 transitions. [2020-10-28 01:05:22,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-28 01:05:22,673 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 121 [2020-10-28 01:05:22,673 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 01:05:22,683 INFO L225 Difference]: With dead ends: 1734 [2020-10-28 01:05:22,683 INFO L226 Difference]: Without dead ends: 1004 [2020-10-28 01:05:22,689 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=84, Invalid=222, Unknown=0, NotChecked=0, Total=306 [2020-10-28 01:05:22,691 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1004 states. [2020-10-28 01:05:22,809 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1004 to 770. [2020-10-28 01:05:22,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 770 states. [2020-10-28 01:05:22,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 770 states to 770 states and 1174 transitions. [2020-10-28 01:05:22,818 INFO L78 Accepts]: Start accepts. Automaton has 770 states and 1174 transitions. Word has length 121 [2020-10-28 01:05:22,821 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 01:05:22,821 INFO L481 AbstractCegarLoop]: Abstraction has 770 states and 1174 transitions. [2020-10-28 01:05:22,821 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-28 01:05:22,822 INFO L276 IsEmpty]: Start isEmpty. Operand 770 states and 1174 transitions. [2020-10-28 01:05:22,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2020-10-28 01:05:22,831 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 01:05:22,832 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] [2020-10-28 01:05:22,832 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-28 01:05:22,832 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 01:05:22,833 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 01:05:22,833 INFO L82 PathProgramCache]: Analyzing trace with hash 771857281, now seen corresponding path program 1 times [2020-10-28 01:05:22,833 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 01:05:22,834 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [218613150] [2020-10-28 01:05:22,834 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 01:05:22,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:05:22,875 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:22,900 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:22,979 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:23,140 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:23,165 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:23,193 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:23,487 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:23,528 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:23,565 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:23,586 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:23,606 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:23,628 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:23,647 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:23,815 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:24,554 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:25,018 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:27,871 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:05:27,871 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 161 [2020-10-28 01:05:27,872 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 16 [2020-10-28 01:05:27,872 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5007 [2020-10-28 01:05:27,872 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:05:27,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 01:05:27,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 40 [2020-10-28 01:05:27,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-10-28 01:05:27,873 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:05:28,148 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-28 01:05:28,149 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 01:05:28,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:05:28,155 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:28,165 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:05:28,165 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 01:05:28,165 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:05:28,166 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-28 01:05:28,166 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:05:28,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:05:28,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:05:28,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:05:28,167 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:05:28,197 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 01:05:28,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:05:28,200 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:28,201 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:05:28,202 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 01:05:28,202 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:05:28,202 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:05:28,202 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:05:28,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:05:28,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:05:28,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:05:28,203 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:05:28,204 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 01:05:28,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:05:28,206 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:28,207 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:05:28,207 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 01:05:28,207 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:05:28,207 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 01:05:28,207 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:05:28,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:05:28,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:05:28,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:05:28,208 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:05:28,238 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 01:05:28,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:05:28,241 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:28,243 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:05:28,244 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-28 01:05:28,244 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:05:28,244 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 01:05:28,244 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:05:28,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:05:28,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:05:28,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:05:28,245 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:05:28,301 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-28 01:05:28,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:05:28,306 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:28,312 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:05:28,312 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-28 01:05:28,313 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:05:28,313 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 01:05:28,313 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:05:28,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:05:28,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:05:28,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 01:05:28,314 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:05:28,320 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-28 01:05:28,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:05:28,330 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:28,347 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:05:28,347 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-10-28 01:05:28,348 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:05:28,348 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-28 01:05:28,348 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:05:28,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:05:28,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:05:28,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 60 [2020-10-28 01:05:28,349 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:05:28,354 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 01:05:28,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:05:28,356 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:28,357 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:05:28,358 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:05:28,358 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:05:28,358 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:05:28,358 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:05:28,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:05:28,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:05:28,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:05:28,362 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-28 01:05:28,363 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 01:05:28,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:05:28,365 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:28,367 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:05:28,368 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:05:28,368 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:05:28,368 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 01:05:28,368 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:05:28,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:05:28,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:05:28,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:05:28,369 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:05:28,370 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 01:05:28,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:05:28,372 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:28,373 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:05:28,373 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:05:28,374 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:05:28,374 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:05:28,374 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:05:28,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:05:28,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:05:28,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:05:28,375 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:05:28,376 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-28 01:05:28,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:05:28,378 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:28,380 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:05:28,380 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:05:28,380 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:05:28,380 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:05:28,381 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:05:28,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:05:28,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:05:28,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:05:28,381 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:05:28,383 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 01:05:28,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:05:28,387 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:28,388 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:05:28,389 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:05:28,389 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:05:28,389 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:05:28,389 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:05:28,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:05:28,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:05:28,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:05:28,390 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:05:28,394 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-28 01:05:28,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:05:28,400 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:28,416 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:05:28,417 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-28 01:05:28,417 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:05:28,417 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-28 01:05:28,418 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:05:28,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 01:05:28,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 01:05:28,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-28 01:05:28,418 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:05:28,448 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2020-10-28 01:05:28,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:05:28,451 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:28,453 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:05:28,454 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 01:05:28,454 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:05:28,454 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 01:05:28,454 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:05:28,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:05:28,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 01:05:28,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:05:28,455 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:05:28,487 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 01:05:28,487 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [218613150] [2020-10-28 01:05:28,488 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 01:05:28,488 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-28 01:05:28,488 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1201426290] [2020-10-28 01:05:28,490 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-28 01:05:28,490 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 01:05:28,491 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-28 01:05:28,491 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-10-28 01:05:28,491 INFO L87 Difference]: Start difference. First operand 770 states and 1174 transitions. Second operand 8 states. [2020-10-28 01:05:29,661 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2020-10-28 01:05:31,335 WARN L193 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2020-10-28 01:05:38,437 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 01:05:38,437 INFO L93 Difference]: Finished difference Result 2237 states and 3430 transitions. [2020-10-28 01:05:38,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-10-28 01:05:38,439 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 121 [2020-10-28 01:05:38,440 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 01:05:38,452 INFO L225 Difference]: With dead ends: 2237 [2020-10-28 01:05:38,452 INFO L226 Difference]: Without dead ends: 1678 [2020-10-28 01:05:38,456 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 69 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=112, Invalid=308, Unknown=0, NotChecked=0, Total=420 [2020-10-28 01:05:38,458 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1678 states. [2020-10-28 01:05:38,601 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1678 to 1239. [2020-10-28 01:05:38,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1239 states. [2020-10-28 01:05:38,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1239 states to 1239 states and 1779 transitions. [2020-10-28 01:05:38,608 INFO L78 Accepts]: Start accepts. Automaton has 1239 states and 1779 transitions. Word has length 121 [2020-10-28 01:05:38,609 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 01:05:38,609 INFO L481 AbstractCegarLoop]: Abstraction has 1239 states and 1779 transitions. [2020-10-28 01:05:38,609 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-28 01:05:38,609 INFO L276 IsEmpty]: Start isEmpty. Operand 1239 states and 1779 transitions. [2020-10-28 01:05:38,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2020-10-28 01:05:38,612 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 01:05:38,612 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] [2020-10-28 01:05:38,613 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-28 01:05:38,613 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 01:05:38,613 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 01:05:38,613 INFO L82 PathProgramCache]: Analyzing trace with hash 1615862783, now seen corresponding path program 1 times [2020-10-28 01:05:38,614 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 01:05:38,614 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1363231386] [2020-10-28 01:05:38,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 01:05:38,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:05:38,642 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:38,662 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:38,743 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:38,779 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:38,797 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:38,838 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:38,868 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:38,896 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:38,923 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:38,948 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:38,975 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:39,002 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:39,351 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:40,030 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:40,172 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:43,647 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:05:43,648 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 161 [2020-10-28 01:05:43,648 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 15 [2020-10-28 01:05:43,648 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5014 [2020-10-28 01:05:43,648 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:05:43,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:05:43,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-28 01:05:43,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-28 01:05:43,648 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:05:43,991 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-28 01:05:43,992 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 01:05:43,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:05:44,000 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:44,012 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:05:44,012 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 01:05:44,012 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:05:44,013 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-28 01:05:44,013 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:05:44,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:05:44,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:05:44,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:05:44,014 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 01:05:44,056 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 01:05:44,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:05:44,063 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:44,070 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:05:44,070 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 01:05:44,071 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:05:44,071 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-28 01:05:44,071 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:05:44,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:05:44,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:05:44,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 01:05:44,073 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 01:05:44,076 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 01:05:44,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:05:44,078 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:44,080 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:05:44,080 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 01:05:44,080 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:05:44,080 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:05:44,080 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:05:44,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:05:44,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:05:44,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 01:05:44,081 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:05:44,125 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 01:05:44,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:05:44,129 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:44,134 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:05:44,134 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-28 01:05:44,135 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:05:44,135 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 01:05:44,135 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:05:44,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:05:44,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 01:05:44,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 01:05:44,136 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:05:44,212 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-28 01:05:44,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:05:44,217 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:44,222 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:05:44,222 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-28 01:05:44,223 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:05:44,223 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 01:05:44,223 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:05:44,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:05:44,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-28 01:05:44,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:05:44,224 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:05:44,227 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-28 01:05:44,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:05:44,237 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:44,246 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:05:44,247 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-10-28 01:05:44,247 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:05:44,247 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-28 01:05:44,247 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:05:44,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:05:44,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 60 [2020-10-28 01:05:44,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:05:44,248 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:05:44,252 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 01:05:44,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:05:44,255 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:44,256 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:05:44,256 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:05:44,257 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:05:44,257 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 01:05:44,257 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:05:44,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:05:44,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:05:44,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:05:44,258 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:05:44,260 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 01:05:44,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:05:44,262 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:44,263 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:05:44,263 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:05:44,264 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:05:44,264 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:05:44,264 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:05:44,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:05:44,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:05:44,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:05:44,265 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:05:44,266 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 01:05:44,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:05:44,269 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:44,271 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:05:44,271 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:05:44,271 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:05:44,271 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:05:44,271 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:05:44,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:05:44,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:05:44,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:05:44,272 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:05:44,274 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-28 01:05:44,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:05:44,276 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:44,277 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:05:44,277 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:05:44,277 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:05:44,278 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:05:44,278 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:05:44,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:05:44,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:05:44,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:05:44,278 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:05:44,280 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 01:05:44,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:05:44,281 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:44,283 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:05:44,283 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:05:44,283 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:05:44,283 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:05:44,283 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:05:44,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:05:44,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:05:44,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:05:44,284 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:05:44,287 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-28 01:05:44,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:05:44,296 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:44,300 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:05:44,301 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-28 01:05:44,301 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:05:44,301 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 01:05:44,301 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:05:44,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:05:44,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-28 01:05:44,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:05:44,302 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:05:44,305 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2020-10-28 01:05:44,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:05:44,308 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:44,313 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:05:44,313 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 01:05:44,313 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:05:44,313 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 01:05:44,313 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:05:44,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:05:44,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 01:05:44,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:05:44,314 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:05:44,338 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 01:05:44,339 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1363231386] [2020-10-28 01:05:44,339 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 01:05:44,339 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-28 01:05:44,339 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [189033031] [2020-10-28 01:05:44,341 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-28 01:05:44,341 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 01:05:44,341 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-28 01:05:44,342 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-10-28 01:05:44,342 INFO L87 Difference]: Start difference. First operand 1239 states and 1779 transitions. Second operand 8 states. [2020-10-28 01:05:44,662 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-28 01:05:45,050 WARN L193 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2020-10-28 01:05:49,806 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 01:05:49,806 INFO L93 Difference]: Finished difference Result 2744 states and 4006 transitions. [2020-10-28 01:05:49,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-28 01:05:49,807 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 121 [2020-10-28 01:05:49,808 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 01:05:49,819 INFO L225 Difference]: With dead ends: 2744 [2020-10-28 01:05:49,819 INFO L226 Difference]: Without dead ends: 1523 [2020-10-28 01:05:49,824 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=55, Invalid=127, Unknown=0, NotChecked=0, Total=182 [2020-10-28 01:05:49,827 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1523 states. [2020-10-28 01:05:49,979 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1523 to 1239. [2020-10-28 01:05:49,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1239 states. [2020-10-28 01:05:49,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1239 states to 1239 states and 1778 transitions. [2020-10-28 01:05:49,985 INFO L78 Accepts]: Start accepts. Automaton has 1239 states and 1778 transitions. Word has length 121 [2020-10-28 01:05:49,986 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 01:05:49,986 INFO L481 AbstractCegarLoop]: Abstraction has 1239 states and 1778 transitions. [2020-10-28 01:05:49,986 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-28 01:05:49,986 INFO L276 IsEmpty]: Start isEmpty. Operand 1239 states and 1778 transitions. [2020-10-28 01:05:49,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2020-10-28 01:05:49,989 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 01:05:49,989 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] [2020-10-28 01:05:49,990 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-28 01:05:49,990 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 01:05:49,990 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 01:05:49,991 INFO L82 PathProgramCache]: Analyzing trace with hash -41662273, now seen corresponding path program 1 times [2020-10-28 01:05:49,991 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 01:05:49,991 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1739835038] [2020-10-28 01:05:49,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 01:05:50,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:05:50,024 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:50,067 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:50,136 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:50,231 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:50,253 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:50,273 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:50,305 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:50,323 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:50,341 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:50,357 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:50,373 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:50,636 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:50,961 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:53,830 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:53,865 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:55,015 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:05:55,016 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 161 [2020-10-28 01:05:55,016 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 15 [2020-10-28 01:05:55,016 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-28 01:05:55,016 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:05:55,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 01:05:55,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 60 [2020-10-28 01:05:55,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 93 [2020-10-28 01:05:55,017 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:05:55,346 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-28 01:05:55,348 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 01:05:55,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:05:55,354 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:55,360 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:05:55,361 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 01:05:55,361 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:05:55,361 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 01:05:55,362 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:05:55,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:05:55,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:05:55,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:05:55,363 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 01:05:55,424 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 01:05:55,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:05:55,427 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:55,429 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:05:55,429 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 01:05:55,429 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:05:55,429 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 01:05:55,430 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:05:55,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:05:55,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:05:55,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:05:55,431 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 01:05:55,433 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 01:05:55,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:05:55,435 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:55,436 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:05:55,436 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 01:05:55,436 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:05:55,437 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:05:55,437 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:05:55,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:05:55,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:05:55,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:05:55,438 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 01:05:55,488 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 01:05:55,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:05:55,491 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:55,494 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:05:55,495 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-28 01:05:55,495 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:05:55,495 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 01:05:55,496 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:05:55,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:05:55,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:05:55,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:05:55,497 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 01:05:55,582 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-28 01:05:55,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:05:55,587 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:55,592 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:05:55,592 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-28 01:05:55,593 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:05:55,593 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 01:05:55,593 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:05:55,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:05:55,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:05:55,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:05:55,594 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 01:05:55,599 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-28 01:05:55,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:05:55,608 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:55,624 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:05:55,624 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-10-28 01:05:55,625 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:05:55,625 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-28 01:05:55,625 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:05:55,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:05:55,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:05:55,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 01:05:55,626 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:05:55,633 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 01:05:55,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:05:55,637 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:55,639 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:05:55,640 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:05:55,640 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:05:55,640 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 01:05:55,641 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:05:55,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:05:55,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:05:55,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-28 01:05:55,642 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 01:05:55,647 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 01:05:55,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:05:55,650 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:55,653 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:05:55,654 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:05:55,654 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:05:55,655 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 01:05:55,655 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:05:55,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:05:55,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:05:55,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 01:05:55,656 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 01:05:55,658 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 01:05:55,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:05:55,662 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:55,665 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:05:55,665 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:05:55,666 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:05:55,666 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 01:05:55,666 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:05:55,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:05:55,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:05:55,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 01:05:55,668 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 01:05:55,671 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-28 01:05:55,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:05:55,674 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:55,677 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:05:55,678 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:05:55,678 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:05:55,679 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 01:05:55,679 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:05:55,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:05:55,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:05:55,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 01:05:55,680 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 01:05:55,682 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 01:05:55,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:05:55,690 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:55,693 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:05:55,694 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:05:55,694 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:05:55,694 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 01:05:55,695 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:05:55,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:05:55,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:05:55,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 01:05:55,696 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 01:05:55,703 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-28 01:05:55,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:05:55,713 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:55,721 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:05:55,721 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-28 01:05:55,721 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:05:55,722 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-28 01:05:55,722 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:05:55,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:05:55,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:05:55,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-28 01:05:55,723 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:05:55,729 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2020-10-28 01:05:55,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:05:55,732 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:55,735 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:05:55,735 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 01:05:55,736 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:05:55,736 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 01:05:55,736 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:05:55,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:05:55,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:05:55,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 01:05:55,737 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 01:05:55,787 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 01:05:55,787 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1739835038] [2020-10-28 01:05:55,788 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 01:05:55,788 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-28 01:05:55,788 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2079347870] [2020-10-28 01:05:55,789 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-28 01:05:55,789 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 01:05:55,790 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-28 01:05:55,790 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-28 01:05:55,791 INFO L87 Difference]: Start difference. First operand 1239 states and 1778 transitions. Second operand 7 states. [2020-10-28 01:05:56,109 WARN L193 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-28 01:06:04,014 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 01:06:04,014 INFO L93 Difference]: Finished difference Result 3870 states and 5873 transitions. [2020-10-28 01:06:04,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-28 01:06:04,016 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 121 [2020-10-28 01:06:04,016 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 01:06:04,036 INFO L225 Difference]: With dead ends: 3870 [2020-10-28 01:06:04,037 INFO L226 Difference]: Without dead ends: 2658 [2020-10-28 01:06:04,044 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=60, Invalid=122, Unknown=0, NotChecked=0, Total=182 [2020-10-28 01:06:04,048 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2658 states. [2020-10-28 01:06:04,345 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2658 to 2159. [2020-10-28 01:06:04,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2159 states. [2020-10-28 01:06:04,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2159 states to 2159 states and 3148 transitions. [2020-10-28 01:06:04,357 INFO L78 Accepts]: Start accepts. Automaton has 2159 states and 3148 transitions. Word has length 121 [2020-10-28 01:06:04,358 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 01:06:04,358 INFO L481 AbstractCegarLoop]: Abstraction has 2159 states and 3148 transitions. [2020-10-28 01:06:04,358 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-28 01:06:04,358 INFO L276 IsEmpty]: Start isEmpty. Operand 2159 states and 3148 transitions. [2020-10-28 01:06:04,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2020-10-28 01:06:04,366 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 01:06:04,367 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 01:06:04,367 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-28 01:06:04,367 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 01:06:04,368 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 01:06:04,368 INFO L82 PathProgramCache]: Analyzing trace with hash -1243676595, now seen corresponding path program 1 times [2020-10-28 01:06:04,368 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 01:06:04,368 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [984729307] [2020-10-28 01:06:04,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 01:06:04,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:06:04,399 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:04,435 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:04,481 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:04,583 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:04,609 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:04,675 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:04,860 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:04,909 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:04,959 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:05,007 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:05,055 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:05,099 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:05,127 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:05,378 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:05,664 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:09,397 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:06:09,398 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 254 [2020-10-28 01:06:09,398 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 15 [2020-10-28 01:06:09,398 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5007 [2020-10-28 01:06:09,398 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:06:09,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-28 01:06:09,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 01:06:09,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 38 [2020-10-28 01:06:09,399 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:06:09,661 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-28 01:06:09,662 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 01:06:09,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:06:09,672 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:09,684 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:06:09,684 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 01:06:09,684 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:06:09,685 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-28 01:06:09,685 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:06:09,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:06:09,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:06:09,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 01:06:09,685 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:06:09,720 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 01:06:09,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:06:09,724 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:09,725 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:06:09,726 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 01:06:09,726 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:06:09,726 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 01:06:09,726 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:06:09,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:06:09,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:06:09,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 01:06:09,727 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:06:09,728 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 01:06:09,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:06:09,730 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:09,731 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:06:09,731 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 01:06:09,731 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:06:09,732 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:06:09,732 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:06:09,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:06:09,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:06:09,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 01:06:09,732 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:06:09,760 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 01:06:09,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:06:09,763 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:09,767 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:06:09,767 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-28 01:06:09,767 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:06:09,768 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 01:06:09,768 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:06:09,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:06:09,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:06:09,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-28 01:06:09,768 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:06:09,854 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-28 01:06:09,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:06:09,860 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:09,871 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:06:09,871 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-28 01:06:09,871 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:06:09,872 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-28 01:06:09,872 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:06:09,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 01:06:09,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 01:06:09,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-28 01:06:09,873 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 01:06:09,911 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-28 01:06:09,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:06:09,919 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:09,933 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:06:09,934 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-10-28 01:06:09,934 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:06:09,934 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-28 01:06:09,934 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:06:09,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:06:09,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 60 [2020-10-28 01:06:09,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:06:09,935 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:06:09,939 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 01:06:09,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:06:09,942 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:09,943 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:06:09,943 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:06:09,943 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:06:09,943 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:06:09,943 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:06:09,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:06:09,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:06:09,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:06:09,944 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:06:09,945 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 01:06:09,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:06:09,946 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:09,947 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:06:09,947 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:06:09,948 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:06:09,948 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:06:09,948 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:06:09,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:06:09,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:06:09,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:06:09,949 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:06:09,950 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 01:06:09,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:06:09,951 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:09,952 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:06:09,952 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:06:09,952 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:06:09,953 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:06:09,953 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:06:09,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:06:09,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:06:09,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:06:09,954 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:06:09,955 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-28 01:06:09,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:06:09,957 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:09,958 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:06:09,958 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:06:09,958 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:06:09,958 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 01:06:09,959 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:06:09,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:06:09,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:06:09,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:06:09,959 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:06:09,961 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 01:06:09,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:06:09,962 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:09,963 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:06:09,964 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:06:09,964 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:06:09,964 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:06:09,964 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:06:09,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:06:09,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:06:09,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:06:09,967 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-28 01:06:09,969 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-28 01:06:09,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:06:09,974 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:09,977 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:06:09,977 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-28 01:06:09,977 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:06:09,977 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 01:06:09,978 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:06:09,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:06:09,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-28 01:06:09,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:06:09,978 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:06:09,981 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2020-10-28 01:06:09,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:06:09,986 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:09,987 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:06:09,987 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 01:06:09,988 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:06:09,988 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 01:06:09,988 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:06:09,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:06:09,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 01:06:09,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:06:09,988 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:06:10,040 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2020-10-28 01:06:10,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:06:10,050 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:10,076 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:10,095 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:06:10,095 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-10-28 01:06:10,096 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 01:06:10,096 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 48 [2020-10-28 01:06:10,096 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:06:10,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:06:10,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 75 [2020-10-28 01:06:10,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:06:10,096 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:06:10,102 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-28 01:06:10,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:06:10,109 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:10,113 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:10,154 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:06:10,155 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 68 [2020-10-28 01:06:10,155 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 01:06:10,155 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 45 [2020-10-28 01:06:10,155 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:06:10,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 01:06:10,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 44 [2020-10-28 01:06:10,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 01:06:10,156 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:06:10,160 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 01:06:10,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:06:10,171 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:10,201 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:06:10,201 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-10-28 01:06:10,201 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:06:10,201 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-10-28 01:06:10,202 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:06:10,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 01:06:10,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 41 [2020-10-28 01:06:10,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 01:06:10,202 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:06:10,279 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 01:06:10,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:06:10,281 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:10,282 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:06:10,282 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:06:10,283 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:06:10,283 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:06:10,283 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:06:10,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:06:10,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:06:10,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:06:10,284 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:06:10,285 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 01:06:10,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:06:10,286 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:10,288 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:06:10,288 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:06:10,288 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:06:10,288 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:06:10,289 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:06:10,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:06:10,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:06:10,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:06:10,289 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:06:10,291 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 01:06:10,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:06:10,293 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:10,294 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:06:10,294 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:06:10,295 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:06:10,295 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:06:10,295 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:06:10,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:06:10,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:06:10,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:06:10,296 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:06:10,297 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-28 01:06:10,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:06:10,300 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:10,304 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:06:10,305 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:06:10,305 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:06:10,305 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 01:06:10,305 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:06:10,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 01:06:10,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:06:10,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 01:06:10,306 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:06:10,363 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 01:06:10,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:06:10,366 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:10,367 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:06:10,367 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:06:10,368 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:06:10,368 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:06:10,368 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:06:10,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:06:10,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-28 01:06:10,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:06:10,369 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:06:10,378 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2020-10-28 01:06:10,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:06:10,380 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:10,381 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:06:10,381 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 01:06:10,382 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:06:10,382 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:06:10,382 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:06:10,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:06:10,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 01:06:10,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:06:10,383 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:06:10,439 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2020-10-28 01:06:10,440 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [984729307] [2020-10-28 01:06:10,440 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 01:06:10,440 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-10-28 01:06:10,440 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [39728668] [2020-10-28 01:06:10,441 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-28 01:06:10,441 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 01:06:10,442 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-28 01:06:10,442 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=150, Unknown=0, NotChecked=0, Total=182 [2020-10-28 01:06:10,442 INFO L87 Difference]: Start difference. First operand 2159 states and 3148 transitions. Second operand 14 states. [2020-10-28 01:06:10,744 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2020-10-28 01:06:12,799 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2020-10-28 01:06:13,132 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2020-10-28 01:06:13,684 WARN L193 SmtUtils]: Spent 309.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-10-28 01:06:14,131 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-10-28 01:06:19,935 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 01:06:19,936 INFO L93 Difference]: Finished difference Result 4942 states and 7674 transitions. [2020-10-28 01:06:19,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-10-28 01:06:19,937 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 196 [2020-10-28 01:06:19,938 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 01:06:19,960 INFO L225 Difference]: With dead ends: 4942 [2020-10-28 01:06:19,960 INFO L226 Difference]: Without dead ends: 2806 [2020-10-28 01:06:19,971 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 90 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=167, Invalid=483, Unknown=0, NotChecked=0, Total=650 [2020-10-28 01:06:19,976 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2806 states. [2020-10-28 01:06:20,277 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2806 to 2189. [2020-10-28 01:06:20,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2189 states. [2020-10-28 01:06:20,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2189 states to 2189 states and 3141 transitions. [2020-10-28 01:06:20,288 INFO L78 Accepts]: Start accepts. Automaton has 2189 states and 3141 transitions. Word has length 196 [2020-10-28 01:06:20,288 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 01:06:20,288 INFO L481 AbstractCegarLoop]: Abstraction has 2189 states and 3141 transitions. [2020-10-28 01:06:20,288 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-28 01:06:20,288 INFO L276 IsEmpty]: Start isEmpty. Operand 2189 states and 3141 transitions. [2020-10-28 01:06:20,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2020-10-28 01:06:20,295 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 01:06:20,296 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 01:06:20,296 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-28 01:06:20,296 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 01:06:20,297 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 01:06:20,297 INFO L82 PathProgramCache]: Analyzing trace with hash -1053709801, now seen corresponding path program 1 times [2020-10-28 01:06:20,297 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 01:06:20,298 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1657998081] [2020-10-28 01:06:20,298 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 01:06:20,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:06:20,331 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:20,381 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:20,432 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:20,542 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:20,773 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:20,823 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:20,872 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:21,145 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:21,452 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:22,450 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:22,635 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:22,734 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:22,782 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:22,846 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:23,010 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:23,085 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:23,113 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:23,153 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:23,178 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:23,202 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:23,237 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:23,254 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:23,285 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:25,322 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:06:25,322 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 255 [2020-10-28 01:06:25,322 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 23 [2020-10-28 01:06:25,323 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-28 01:06:25,323 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:06:25,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:06:25,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 216 [2020-10-28 01:06:25,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-28 01:06:25,323 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:06:25,611 WARN L193 SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-28 01:06:25,612 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 01:06:25,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:06:25,621 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:25,626 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:06:25,627 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 01:06:25,627 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:06:25,627 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 01:06:25,627 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:06:25,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:06:25,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:06:25,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:06:25,628 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:06:25,661 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 01:06:25,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:06:25,663 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:25,665 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:06:25,665 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 01:06:25,665 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:06:25,665 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:06:25,665 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:06:25,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:06:25,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:06:25,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:06:25,666 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:06:25,667 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 01:06:25,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:06:25,669 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:25,669 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:06:25,669 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 01:06:25,670 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:06:25,670 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 01:06:25,670 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:06:25,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:06:25,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:06:25,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:06:25,670 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:06:25,699 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 01:06:25,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:06:25,702 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:25,705 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:06:25,705 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-28 01:06:25,705 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:06:25,705 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 01:06:25,705 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:06:25,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:06:25,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:06:25,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:06:25,706 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:06:25,768 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-28 01:06:25,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:06:25,771 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:25,774 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:06:25,774 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-28 01:06:25,775 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:06:25,775 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 01:06:25,775 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:06:25,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:06:25,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:06:25,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:06:25,776 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:06:25,778 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-28 01:06:25,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:06:25,793 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:25,809 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:06:25,809 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-10-28 01:06:25,809 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:06:25,809 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-28 01:06:25,809 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:06:25,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:06:25,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:06:25,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:06:25,810 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:06:25,815 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 01:06:25,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:06:25,817 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:25,818 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:06:25,818 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:06:25,818 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:06:25,819 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:06:25,819 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:06:25,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:06:25,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:06:25,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:06:25,819 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:06:25,820 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 01:06:25,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:06:25,822 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:25,823 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:06:25,823 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:06:25,823 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:06:25,823 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:06:25,824 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:06:25,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:06:25,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:06:25,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:06:25,824 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:06:25,825 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 01:06:25,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:06:25,827 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:25,828 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:06:25,828 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:06:25,828 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:06:25,828 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:06:25,829 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:06:25,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:06:25,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:06:25,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:06:25,829 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:06:25,830 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-28 01:06:25,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:06:25,832 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:25,837 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:06:25,838 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:06:25,838 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:06:25,838 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 01:06:25,838 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:06:25,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:06:25,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:06:25,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:06:25,839 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:06:25,841 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 01:06:25,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:06:25,842 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:25,844 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:06:25,844 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:06:25,844 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:06:25,844 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:06:25,844 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:06:25,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:06:25,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:06:25,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:06:25,845 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:06:25,848 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-28 01:06:25,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:06:25,851 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:25,855 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:06:25,856 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-28 01:06:25,856 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:06:25,856 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 01:06:25,856 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:06:25,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:06:25,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:06:25,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:06:25,857 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:06:25,860 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2020-10-28 01:06:25,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:06:25,864 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:25,865 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:06:25,866 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 01:06:25,866 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:06:25,866 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 01:06:25,866 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:06:25,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:06:25,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:06:25,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:06:25,867 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:06:25,922 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2020-10-28 01:06:25,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:06:25,933 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:25,950 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:06:25,950 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-10-28 01:06:25,951 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:06:25,951 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-28 01:06:25,951 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:06:25,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:06:25,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:06:25,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 68 [2020-10-28 01:06:25,951 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:06:25,965 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-28 01:06:25,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:06:25,976 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:25,992 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:06:25,992 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 69 [2020-10-28 01:06:25,992 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:06:25,992 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-28 01:06:25,992 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:06:25,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:06:25,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:06:25,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 61 [2020-10-28 01:06:25,993 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:06:25,999 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 01:06:26,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:06:26,009 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:26,024 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:06:26,024 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 64 [2020-10-28 01:06:26,025 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:06:26,025 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-28 01:06:26,025 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:06:26,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:06:26,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:06:26,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 58 [2020-10-28 01:06:26,026 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:06:26,032 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 01:06:26,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:06:26,034 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:26,035 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:06:26,035 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:06:26,035 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:06:26,035 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:06:26,036 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:06:26,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:06:26,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:06:26,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:06:26,036 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:06:26,038 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 01:06:26,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:06:26,039 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:26,040 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:06:26,041 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:06:26,041 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:06:26,041 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:06:26,041 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:06:26,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:06:26,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:06:26,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:06:26,042 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:06:26,044 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 01:06:26,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:06:26,045 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:26,046 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:06:26,047 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:06:26,047 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:06:26,047 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:06:26,047 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:06:26,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:06:26,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:06:26,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:06:26,048 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:06:26,049 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-28 01:06:26,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:06:26,051 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:26,052 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:06:26,052 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-28 01:06:26,053 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:06:26,053 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:06:26,053 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:06:26,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:06:26,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:06:26,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:06:26,054 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:06:26,055 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-28 01:06:26,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:06:26,057 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:26,058 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:06:26,058 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:06:26,058 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:06:26,058 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:06:26,059 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:06:26,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:06:26,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:06:26,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:06:26,059 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:06:26,068 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2020-10-28 01:06:26,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:06:26,070 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:26,073 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:06:26,074 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 01:06:26,074 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:06:26,074 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 01:06:26,074 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:06:26,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:06:26,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 01:06:26,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:06:26,075 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:06:26,124 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2020-10-28 01:06:26,125 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1657998081] [2020-10-28 01:06:26,125 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 01:06:26,125 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-28 01:06:26,126 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1546382457] [2020-10-28 01:06:26,126 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-28 01:06:26,126 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 01:06:26,127 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-28 01:06:26,127 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-10-28 01:06:26,127 INFO L87 Difference]: Start difference. First operand 2189 states and 3141 transitions. Second operand 8 states. [2020-10-28 01:06:26,439 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2020-10-28 01:06:35,550 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 01:06:35,550 INFO L93 Difference]: Finished difference Result 7535 states and 11452 transitions. [2020-10-28 01:06:35,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-28 01:06:35,558 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 197 [2020-10-28 01:06:35,559 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 01:06:35,596 INFO L225 Difference]: With dead ends: 7535 [2020-10-28 01:06:35,596 INFO L226 Difference]: Without dead ends: 5391 [2020-10-28 01:06:35,607 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=85, Invalid=187, Unknown=0, NotChecked=0, Total=272 [2020-10-28 01:06:35,614 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5391 states. [2020-10-28 01:06:36,328 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5391 to 4505. [2020-10-28 01:06:36,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4505 states. [2020-10-28 01:06:36,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4505 states to 4505 states and 6865 transitions. [2020-10-28 01:06:36,350 INFO L78 Accepts]: Start accepts. Automaton has 4505 states and 6865 transitions. Word has length 197 [2020-10-28 01:06:36,351 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 01:06:36,352 INFO L481 AbstractCegarLoop]: Abstraction has 4505 states and 6865 transitions. [2020-10-28 01:06:36,352 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-28 01:06:36,352 INFO L276 IsEmpty]: Start isEmpty. Operand 4505 states and 6865 transitions. [2020-10-28 01:06:36,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2020-10-28 01:06:36,367 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 01:06:36,367 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 01:06:36,367 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-28 01:06:36,368 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 01:06:36,368 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 01:06:36,368 INFO L82 PathProgramCache]: Analyzing trace with hash 1252720927, now seen corresponding path program 1 times [2020-10-28 01:06:36,369 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 01:06:36,369 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [406630406] [2020-10-28 01:06:36,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 01:06:36,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:06:36,406 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:36,426 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:36,485 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:36,536 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:36,646 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:36,729 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:36,749 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:36,931 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:37,399 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:38,926 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:39,120 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:39,433 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:39,480 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:39,562 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:39,592 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:39,624 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:39,652 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:39,681 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:39,805 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:39,963 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:41,403 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:06:41,403 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 255 [2020-10-28 01:06:41,403 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 20 [2020-10-28 01:06:41,403 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5008 [2020-10-28 01:06:41,403 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:06:41,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 01:06:41,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 123 [2020-10-28 01:06:41,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 66 [2020-10-28 01:06:41,404 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:06:41,684 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-28 01:06:41,685 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 01:06:41,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:06:41,690 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:41,695 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:06:41,696 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 01:06:41,696 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:06:41,696 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 01:06:41,696 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:06:41,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:06:41,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:06:41,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:06:41,697 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:06:41,729 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 01:06:41,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:06:41,732 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:41,733 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:06:41,733 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 01:06:41,733 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:06:41,733 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:06:41,733 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:06:41,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:06:41,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:06:41,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:06:41,734 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:06:41,735 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 01:06:41,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:06:41,736 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:41,737 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:06:41,737 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 01:06:41,737 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:06:41,737 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 01:06:41,737 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:06:41,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:06:41,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:06:41,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:06:41,738 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:06:41,767 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 01:06:41,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:06:41,769 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:41,771 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:06:41,772 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-28 01:06:41,772 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:06:41,772 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 01:06:41,772 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:06:41,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:06:41,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:06:41,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:06:41,773 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:06:41,829 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-28 01:06:41,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:06:41,832 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:41,835 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:06:41,835 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-28 01:06:41,835 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:06:41,835 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 01:06:41,835 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:06:41,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:06:41,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:06:41,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:06:41,836 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:06:41,838 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-28 01:06:41,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:06:41,842 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:41,848 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:41,878 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:06:41,879 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-10-28 01:06:41,879 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 01:06:41,879 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-10-28 01:06:41,879 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:06:41,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 01:06:41,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 52 [2020-10-28 01:06:41,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 01:06:41,880 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:06:41,927 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 01:06:41,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:06:41,929 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:41,930 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:06:41,930 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:06:41,930 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:06:41,930 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:06:41,930 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:06:41,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:06:41,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:06:41,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:06:41,933 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-28 01:06:41,937 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 01:06:41,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:06:41,940 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:41,941 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:06:41,941 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:06:41,941 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:06:41,941 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 01:06:41,942 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:06:41,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:06:41,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:06:41,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:06:41,944 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-28 01:06:41,945 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 01:06:41,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:06:41,947 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:41,948 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:06:41,948 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:06:41,948 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:06:41,948 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:06:41,948 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:06:41,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:06:41,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:06:41,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:06:41,950 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 01:06:41,960 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-28 01:06:41,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:06:41,962 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:41,963 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:06:41,963 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:06:41,963 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:06:41,964 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:06:41,964 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:06:41,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:06:41,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:06:41,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:06:41,965 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:06:41,966 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 01:06:41,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:06:41,970 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:41,974 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:06:41,974 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:06:41,974 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:06:41,975 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 01:06:41,975 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:06:41,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 01:06:41,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:06:41,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 01:06:41,976 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:06:42,020 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-28 01:06:42,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:06:42,031 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:42,038 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:06:42,038 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-28 01:06:42,038 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:06:42,039 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 01:06:42,039 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:06:42,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:06:42,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:06:42,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-28 01:06:42,040 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:06:42,043 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2020-10-28 01:06:42,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:06:42,045 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:42,047 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:06:42,047 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 01:06:42,047 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:06:42,048 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 01:06:42,048 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:06:42,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:06:42,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:06:42,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 01:06:42,048 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:06:42,109 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2020-10-28 01:06:42,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:06:42,128 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:42,154 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:42,200 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:06:42,200 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-10-28 01:06:42,200 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 01:06:42,200 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 76 [2020-10-28 01:06:42,201 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:06:42,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 01:06:42,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 63 [2020-10-28 01:06:42,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 01:06:42,201 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:06:42,207 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-28 01:06:42,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:06:42,216 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:42,249 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:06:42,249 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 69 [2020-10-28 01:06:42,249 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:06:42,249 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-10-28 01:06:42,250 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:06:42,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 01:06:42,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 56 [2020-10-28 01:06:42,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 01:06:42,250 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:06:42,258 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 01:06:42,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:06:42,266 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:42,299 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:06:42,299 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 64 [2020-10-28 01:06:42,299 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:06:42,299 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-10-28 01:06:42,300 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:06:42,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 01:06:42,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 53 [2020-10-28 01:06:42,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 01:06:42,300 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:06:42,339 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 01:06:42,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:06:42,341 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:42,343 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:06:42,343 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:06:42,343 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:06:42,343 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:06:42,343 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:06:42,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:06:42,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:06:42,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:06:42,344 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:06:42,344 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 01:06:42,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:06:42,345 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:42,347 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:06:42,347 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:06:42,347 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:06:42,347 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:06:42,347 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:06:42,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:06:42,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:06:42,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:06:42,348 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:06:42,349 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 01:06:42,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:06:42,350 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:42,351 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:06:42,352 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:06:42,352 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:06:42,352 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:06:42,352 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:06:42,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:06:42,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:06:42,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:06:42,353 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:06:42,354 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-28 01:06:42,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:06:42,355 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:42,356 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:06:42,356 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-28 01:06:42,357 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:06:42,357 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:06:42,357 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:06:42,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:06:42,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:06:42,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:06:42,358 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:06:42,359 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-28 01:06:42,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:06:42,361 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:42,364 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:06:42,364 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:06:42,364 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:06:42,364 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 01:06:42,364 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:06:42,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 01:06:42,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:06:42,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 01:06:42,365 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:06:42,442 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2020-10-28 01:06:42,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:06:42,444 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:42,445 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:06:42,445 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 01:06:42,445 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:06:42,445 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:06:42,445 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:06:42,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:06:42,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 01:06:42,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:06:42,446 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:06:42,476 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 9 proven. 4 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2020-10-28 01:06:42,477 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [406630406] [2020-10-28 01:06:42,477 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 01:06:42,477 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2020-10-28 01:06:42,477 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1971944249] [2020-10-28 01:06:42,478 INFO L461 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-10-28 01:06:42,478 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 01:06:42,478 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-10-28 01:06:42,479 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=175, Unknown=0, NotChecked=0, Total=210 [2020-10-28 01:06:42,479 INFO L87 Difference]: Start difference. First operand 4505 states and 6865 transitions. Second operand 15 states. [2020-10-28 01:06:42,810 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2020-10-28 01:06:42,963 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 57 [2020-10-28 01:06:45,158 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2020-10-28 01:06:45,493 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2020-10-28 01:06:45,971 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2020-10-28 01:06:46,435 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-10-28 01:06:49,879 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-28 01:06:50,197 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2020-10-28 01:06:50,525 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-28 01:06:50,992 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2020-10-28 01:06:54,594 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 01:06:54,594 INFO L93 Difference]: Finished difference Result 12027 states and 19756 transitions. [2020-10-28 01:06:54,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2020-10-28 01:06:54,595 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 197 [2020-10-28 01:06:54,595 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 01:06:54,653 INFO L225 Difference]: With dead ends: 12027 [2020-10-28 01:06:54,653 INFO L226 Difference]: Without dead ends: 7549 [2020-10-28 01:06:54,688 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 222 ImplicationChecksByTransitivity, 4.2s TimeCoverageRelationStatistics Valid=258, Invalid=932, Unknown=0, NotChecked=0, Total=1190 [2020-10-28 01:06:54,699 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7549 states. [2020-10-28 01:06:55,618 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7549 to 5986. [2020-10-28 01:06:55,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5986 states. [2020-10-28 01:06:55,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5986 states to 5986 states and 8670 transitions. [2020-10-28 01:06:55,644 INFO L78 Accepts]: Start accepts. Automaton has 5986 states and 8670 transitions. Word has length 197 [2020-10-28 01:06:55,644 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 01:06:55,644 INFO L481 AbstractCegarLoop]: Abstraction has 5986 states and 8670 transitions. [2020-10-28 01:06:55,645 INFO L482 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-10-28 01:06:55,645 INFO L276 IsEmpty]: Start isEmpty. Operand 5986 states and 8670 transitions. [2020-10-28 01:06:55,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2020-10-28 01:06:55,659 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 01:06:55,660 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 01:06:55,660 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-28 01:06:55,660 INFO L429 AbstractCegarLoop]: === Iteration 9 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 01:06:55,661 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 01:06:55,661 INFO L82 PathProgramCache]: Analyzing trace with hash -991028273, now seen corresponding path program 1 times [2020-10-28 01:06:55,661 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 01:06:55,661 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1712541006] [2020-10-28 01:06:55,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 01:06:55,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:06:55,692 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:55,712 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:55,774 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:55,861 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:55,940 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:56,111 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:56,220 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:56,251 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:56,290 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:56,316 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:56,339 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:56,391 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:56,504 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:58,603 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:00,012 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:00,687 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:00,687 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 254 [2020-10-28 01:07:00,687 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 15 [2020-10-28 01:07:00,687 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-28 01:07:00,688 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:00,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 01:07:00,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 124 [2020-10-28 01:07:00,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76 [2020-10-28 01:07:00,688 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:01,039 WARN L193 SmtUtils]: Spent 295.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-28 01:07:01,042 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 01:07:01,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:01,046 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:01,051 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:01,051 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 01:07:01,051 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:01,051 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 01:07:01,051 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:01,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:07:01,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:07:01,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:07:01,052 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:01,084 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 01:07:01,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:01,086 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:01,087 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:01,087 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 01:07:01,087 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:01,088 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:07:01,088 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:01,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:07:01,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:07:01,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:07:01,088 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:01,089 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 01:07:01,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:01,091 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:01,091 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:01,091 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 01:07:01,091 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:01,092 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 01:07:01,092 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:01,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:07:01,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:07:01,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:07:01,092 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:01,131 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 01:07:01,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:01,133 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:01,135 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:01,135 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-28 01:07:01,135 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:01,135 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 01:07:01,135 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:01,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:07:01,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:07:01,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:07:01,136 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:01,195 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-28 01:07:01,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:01,198 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:01,200 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:01,200 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-28 01:07:01,200 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:01,200 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 01:07:01,200 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:01,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:07:01,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:07:01,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:07:01,201 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:01,202 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-28 01:07:01,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:01,262 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:01,271 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:01,271 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-10-28 01:07:01,272 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:01,272 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 67 [2020-10-28 01:07:01,272 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:01,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:07:01,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:07:01,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:07:01,272 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:01,275 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 01:07:01,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:01,277 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:01,277 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:01,278 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:07:01,278 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:01,278 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:07:01,278 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:01,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:07:01,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:07:01,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:07:01,278 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:01,279 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 01:07:01,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:01,280 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:01,282 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:01,282 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:07:01,282 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:01,282 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:07:01,282 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:01,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:07:01,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:07:01,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:07:01,283 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:01,283 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 01:07:01,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:01,284 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:01,285 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:01,285 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:07:01,285 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:01,285 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 01:07:01,285 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:01,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:07:01,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:07:01,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:07:01,286 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:01,287 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-28 01:07:01,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:01,287 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:01,288 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:01,288 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:07:01,288 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:01,289 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 01:07:01,289 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:01,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:07:01,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:07:01,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:07:01,289 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:01,290 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 01:07:01,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:01,291 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:01,292 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:01,292 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:07:01,292 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:01,292 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 01:07:01,292 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:01,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:07:01,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:07:01,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:07:01,293 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:01,294 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-28 01:07:01,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:01,298 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:01,304 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:01,304 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-28 01:07:01,304 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:01,304 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 01:07:01,304 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:01,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:07:01,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:07:01,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-28 01:07:01,305 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:01,322 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2020-10-28 01:07:01,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:01,325 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:01,326 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:01,326 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 01:07:01,326 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:01,327 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:07:01,327 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:01,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:07:01,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:07:01,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 01:07:01,327 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:01,388 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2020-10-28 01:07:01,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:01,397 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:01,408 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:01,408 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-10-28 01:07:01,408 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:01,408 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-28 01:07:01,408 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:01,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:07:01,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 51 [2020-10-28 01:07:01,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-28 01:07:01,409 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:01,434 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-28 01:07:01,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:01,442 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:01,451 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:01,451 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 68 [2020-10-28 01:07:01,451 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:01,451 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-28 01:07:01,451 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:01,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:07:01,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:07:01,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 44 [2020-10-28 01:07:01,452 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:01,456 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 01:07:01,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:01,463 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:01,471 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:01,471 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-10-28 01:07:01,471 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:01,472 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-28 01:07:01,472 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:01,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:07:01,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:07:01,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 41 [2020-10-28 01:07:01,472 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:01,476 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 01:07:01,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:01,477 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:01,478 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:01,478 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:07:01,478 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:01,478 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 01:07:01,478 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:01,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:07:01,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:07:01,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:07:01,479 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:01,480 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 01:07:01,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:01,481 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:01,481 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:01,482 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:07:01,482 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:01,482 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:07:01,482 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:01,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:07:01,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:07:01,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:07:01,482 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:01,483 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 01:07:01,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:01,484 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:01,485 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:01,486 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:07:01,486 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:01,486 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:07:01,486 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:01,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:07:01,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:07:01,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:07:01,487 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:01,488 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-28 01:07:01,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:01,490 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:01,492 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:01,492 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:07:01,492 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:01,492 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 01:07:01,492 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:01,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:07:01,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:07:01,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 01:07:01,493 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:01,495 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 01:07:01,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:01,496 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:01,498 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:01,498 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:07:01,498 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:01,499 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 01:07:01,499 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:01,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:07:01,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:07:01,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 01:07:01,500 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:01,506 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2020-10-28 01:07:01,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:01,508 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:01,509 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:01,509 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 01:07:01,509 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:01,509 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:07:01,509 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:01,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:07:01,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 01:07:01,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:07:01,510 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:01,540 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2020-10-28 01:07:01,541 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1712541006] [2020-10-28 01:07:01,541 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 01:07:01,541 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-28 01:07:01,541 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [551562064] [2020-10-28 01:07:01,542 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-28 01:07:01,542 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 01:07:01,542 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-28 01:07:01,542 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2020-10-28 01:07:01,543 INFO L87 Difference]: Start difference. First operand 5986 states and 8670 transitions. Second operand 10 states. [2020-10-28 01:07:01,868 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2020-10-28 01:07:05,166 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2020-10-28 01:07:09,384 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 01:07:09,384 INFO L93 Difference]: Finished difference Result 10257 states and 15006 transitions. [2020-10-28 01:07:09,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-28 01:07:09,385 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 196 [2020-10-28 01:07:09,385 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 01:07:09,408 INFO L225 Difference]: With dead ends: 10257 [2020-10-28 01:07:09,408 INFO L226 Difference]: Without dead ends: 4787 [2020-10-28 01:07:09,432 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 63 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=99, Invalid=281, Unknown=0, NotChecked=0, Total=380 [2020-10-28 01:07:09,438 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4787 states. [2020-10-28 01:07:10,007 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4787 to 3926. [2020-10-28 01:07:10,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3926 states. [2020-10-28 01:07:10,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3926 states to 3926 states and 5348 transitions. [2020-10-28 01:07:10,020 INFO L78 Accepts]: Start accepts. Automaton has 3926 states and 5348 transitions. Word has length 196 [2020-10-28 01:07:10,020 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 01:07:10,020 INFO L481 AbstractCegarLoop]: Abstraction has 3926 states and 5348 transitions. [2020-10-28 01:07:10,020 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-28 01:07:10,020 INFO L276 IsEmpty]: Start isEmpty. Operand 3926 states and 5348 transitions. [2020-10-28 01:07:10,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2020-10-28 01:07:10,031 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 01:07:10,031 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 01:07:10,031 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-28 01:07:10,032 INFO L429 AbstractCegarLoop]: === Iteration 10 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 01:07:10,032 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 01:07:10,032 INFO L82 PathProgramCache]: Analyzing trace with hash -1158277651, now seen corresponding path program 1 times [2020-10-28 01:07:10,032 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 01:07:10,033 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [3675170] [2020-10-28 01:07:10,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 01:07:10,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:10,063 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:10,084 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:10,142 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:10,228 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:10,337 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:10,511 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:10,532 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:10,548 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:10,564 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:10,578 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:13,739 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:14,039 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:15,059 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:15,059 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 254 [2020-10-28 01:07:15,059 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 12 [2020-10-28 01:07:15,059 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5005 [2020-10-28 01:07:15,060 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:15,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:07:15,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 182 [2020-10-28 01:07:15,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-28 01:07:15,060 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:15,352 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-28 01:07:15,353 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 01:07:15,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:15,358 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:15,364 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:15,364 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 01:07:15,365 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:15,365 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 01:07:15,365 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:15,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:07:15,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:07:15,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:07:15,365 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:15,396 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 01:07:15,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:15,428 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:15,429 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:15,429 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 01:07:15,429 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:15,429 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:07:15,429 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:15,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:07:15,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:07:15,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:07:15,430 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:15,433 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 01:07:15,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:15,434 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:15,435 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:15,435 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 01:07:15,435 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:15,435 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 01:07:15,435 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:15,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:07:15,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:07:15,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:07:15,436 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:15,463 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 01:07:15,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:15,466 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:15,468 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:15,468 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-28 01:07:15,468 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:15,468 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 01:07:15,468 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:15,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:07:15,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:07:15,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:07:15,469 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:15,533 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-28 01:07:15,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:15,536 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:15,538 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:15,538 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-28 01:07:15,538 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:15,538 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 01:07:15,538 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:15,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:07:15,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:07:15,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:07:15,539 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:15,540 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-28 01:07:15,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:15,543 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:15,547 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:15,548 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-10-28 01:07:15,548 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:15,548 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 01:07:15,548 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:15,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:07:15,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:07:15,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:07:15,549 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:15,552 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 01:07:15,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:15,553 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:15,554 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:15,554 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:07:15,554 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:15,554 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:07:15,555 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:15,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:07:15,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:07:15,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:07:15,555 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:15,556 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 01:07:15,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:15,557 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:15,559 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:15,559 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:07:15,559 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:15,559 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:07:15,559 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:15,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:07:15,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:07:15,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:07:15,560 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:15,561 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 01:07:15,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:15,562 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:15,563 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:15,563 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:07:15,563 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:15,563 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:07:15,563 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:15,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:07:15,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:07:15,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:07:15,564 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:15,565 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-28 01:07:15,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:15,566 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:15,567 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:15,567 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:07:15,568 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:15,568 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:07:15,568 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:15,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:07:15,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:07:15,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:07:15,568 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:15,569 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 01:07:15,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:15,571 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:15,572 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:15,572 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:07:15,572 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:15,572 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:07:15,572 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:15,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:07:15,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:07:15,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:07:15,573 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:15,575 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-28 01:07:15,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:15,578 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:15,581 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:15,582 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-28 01:07:15,582 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:15,582 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 01:07:15,582 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:15,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:07:15,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:07:15,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:07:15,583 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:15,585 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2020-10-28 01:07:15,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:15,586 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:15,587 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:15,587 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 01:07:15,587 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:15,587 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:07:15,588 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:15,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:07:15,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:07:15,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:07:15,588 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:15,641 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2020-10-28 01:07:15,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:15,649 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:15,661 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:15,661 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-10-28 01:07:15,661 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:15,661 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-28 01:07:15,661 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:15,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:07:15,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:07:15,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 34 [2020-10-28 01:07:15,662 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:15,665 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-28 01:07:15,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:15,670 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:15,677 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:15,677 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 68 [2020-10-28 01:07:15,678 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:15,678 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 01:07:15,678 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:15,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:07:15,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:07:15,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27 [2020-10-28 01:07:15,678 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:15,681 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 01:07:15,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:15,685 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:15,691 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:15,692 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-10-28 01:07:15,692 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:15,692 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 01:07:15,692 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:15,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:07:15,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:07:15,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-28 01:07:15,692 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:15,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 01:07:15,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:15,696 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:15,697 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:15,697 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:07:15,697 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:15,698 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 01:07:15,698 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:15,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:07:15,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:07:15,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:07:15,698 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:15,699 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 01:07:15,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:15,700 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:15,701 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:15,701 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:07:15,702 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:15,702 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:07:15,702 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:15,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:07:15,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:07:15,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:07:15,703 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:15,704 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 01:07:15,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:15,706 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:15,708 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:15,708 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:07:15,708 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:15,708 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 01:07:15,708 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:15,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:07:15,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:07:15,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 01:07:15,709 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:15,710 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-28 01:07:15,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:15,712 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:15,714 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:15,714 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:07:15,714 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:15,715 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 01:07:15,715 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:15,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:07:15,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:07:15,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 01:07:15,715 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:15,717 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 01:07:15,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:15,719 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:15,720 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:15,721 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:07:15,721 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:15,721 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 01:07:15,721 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:15,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:07:15,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:07:15,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 01:07:15,722 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:15,730 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2020-10-28 01:07:15,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:15,732 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:15,733 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:15,733 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 01:07:15,733 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:15,734 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:07:15,734 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:15,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:07:15,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 01:07:15,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:07:15,734 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:15,778 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2020-10-28 01:07:15,778 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [3675170] [2020-10-28 01:07:15,779 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 01:07:15,779 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-28 01:07:15,779 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [176481003] [2020-10-28 01:07:15,780 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-28 01:07:15,780 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 01:07:15,780 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-28 01:07:15,780 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-10-28 01:07:15,781 INFO L87 Difference]: Start difference. First operand 3926 states and 5348 transitions. Second operand 8 states. [2020-10-28 01:07:16,080 WARN L193 SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2020-10-28 01:07:16,208 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 57 [2020-10-28 01:07:25,497 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 01:07:25,498 INFO L93 Difference]: Finished difference Result 12538 states and 17736 transitions. [2020-10-28 01:07:25,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-28 01:07:25,499 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 196 [2020-10-28 01:07:25,500 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 01:07:25,545 INFO L225 Difference]: With dead ends: 12538 [2020-10-28 01:07:25,545 INFO L226 Difference]: Without dead ends: 8649 [2020-10-28 01:07:25,563 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=85, Invalid=187, Unknown=0, NotChecked=0, Total=272 [2020-10-28 01:07:25,573 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8649 states. [2020-10-28 01:07:26,515 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8649 to 7335. [2020-10-28 01:07:26,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7335 states. [2020-10-28 01:07:26,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7335 states to 7335 states and 10396 transitions. [2020-10-28 01:07:26,538 INFO L78 Accepts]: Start accepts. Automaton has 7335 states and 10396 transitions. Word has length 196 [2020-10-28 01:07:26,539 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 01:07:26,539 INFO L481 AbstractCegarLoop]: Abstraction has 7335 states and 10396 transitions. [2020-10-28 01:07:26,539 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-28 01:07:26,539 INFO L276 IsEmpty]: Start isEmpty. Operand 7335 states and 10396 transitions. [2020-10-28 01:07:26,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2020-10-28 01:07:26,558 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 01:07:26,558 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 01:07:26,558 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-28 01:07:26,559 INFO L429 AbstractCegarLoop]: === Iteration 11 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 01:07:26,559 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 01:07:26,559 INFO L82 PathProgramCache]: Analyzing trace with hash 812591852, now seen corresponding path program 1 times [2020-10-28 01:07:26,559 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 01:07:26,560 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1435027198] [2020-10-28 01:07:26,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 01:07:26,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:26,590 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:26,611 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:26,667 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:26,696 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:26,730 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:26,807 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:26,988 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:27,071 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:27,102 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:31,584 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:31,585 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 279 [2020-10-28 01:07:31,585 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-10-28 01:07:31,585 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-28 01:07:31,585 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:31,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 01:07:31,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 145 [2020-10-28 01:07:31,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-28 01:07:31,586 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:31,874 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-28 01:07:31,875 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 01:07:31,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:31,881 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:31,886 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:31,886 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 01:07:31,886 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:31,886 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 01:07:31,886 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:31,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:07:31,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:07:31,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:07:31,887 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:31,914 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 01:07:31,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:31,917 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:31,918 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:31,918 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 01:07:31,919 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:31,919 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 01:07:31,919 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:31,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:07:31,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:07:31,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:07:31,919 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:31,921 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 01:07:31,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:31,922 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:31,922 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:31,922 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 01:07:31,922 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:31,922 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 01:07:31,923 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:31,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:07:31,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:07:31,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:07:31,923 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:31,955 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 01:07:31,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:31,957 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:31,959 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:31,959 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-28 01:07:31,959 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:31,959 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 01:07:31,959 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:31,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:07:31,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:07:31,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:07:31,960 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:32,018 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-28 01:07:32,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:32,021 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:32,023 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:32,023 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-28 01:07:32,024 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:32,024 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 01:07:32,024 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:32,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:07:32,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:07:32,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:07:32,024 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:32,027 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-28 01:07:32,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:32,030 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:32,034 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:32,034 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-10-28 01:07:32,034 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:32,034 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 01:07:32,034 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:32,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:07:32,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:07:32,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:07:32,035 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:32,037 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 01:07:32,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:32,038 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:32,038 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:32,039 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:07:32,039 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:32,039 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 01:07:32,039 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:32,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:07:32,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:07:32,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:07:32,039 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:32,040 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 01:07:32,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:32,041 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:32,041 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:32,041 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:07:32,042 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:32,042 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 01:07:32,042 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:32,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:07:32,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:07:32,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:07:32,042 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:32,043 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 01:07:32,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:32,044 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:32,044 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:32,044 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:07:32,044 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:32,044 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 01:07:32,045 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:32,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:07:32,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:07:32,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:07:32,045 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:32,046 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-28 01:07:32,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:32,046 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:32,047 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:32,047 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:07:32,048 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:32,048 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:07:32,048 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:32,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:07:32,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:07:32,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:07:32,048 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:32,049 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 01:07:32,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:32,050 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:32,051 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:32,051 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:07:32,051 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:32,051 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:07:32,051 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:32,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:07:32,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:07:32,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:07:32,052 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:32,054 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-28 01:07:32,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:32,055 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:32,057 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:32,058 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-28 01:07:32,058 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:32,058 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 01:07:32,058 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:32,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:07:32,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:07:32,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:07:32,058 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:32,060 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2020-10-28 01:07:32,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:32,061 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:32,062 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:32,062 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 01:07:32,062 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:32,062 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 01:07:32,062 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:32,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:07:32,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:07:32,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:07:32,062 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:32,118 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2020-10-28 01:07:32,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:32,125 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:32,131 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:32,131 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 01:07:32,131 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:32,132 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 01:07:32,132 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:32,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 01:07:32,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 01:07:32,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-28 01:07:32,132 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:32,152 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-10-28 01:07:32,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:32,154 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:32,156 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:32,157 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 01:07:32,157 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:32,157 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 01:07:32,157 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:32,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:07:32,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-28 01:07:32,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 01:07:32,158 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:32,231 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-28 01:07:32,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:32,239 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:32,253 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:32,264 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:32,264 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-10-28 01:07:32,264 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 01:07:32,264 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-28 01:07:32,264 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:32,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:07:32,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 75 [2020-10-28 01:07:32,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:07:32,265 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:32,268 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-28 01:07:32,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:32,270 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:32,272 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:32,292 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:32,292 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 68 [2020-10-28 01:07:32,292 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 01:07:32,293 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-28 01:07:32,293 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:32,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 01:07:32,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 22 [2020-10-28 01:07:32,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 01:07:32,293 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:32,295 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 01:07:32,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:32,302 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:32,319 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:32,319 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-10-28 01:07:32,319 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:32,319 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-28 01:07:32,319 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:32,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 01:07:32,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-10-28 01:07:32,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 01:07:32,320 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:32,364 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 01:07:32,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:32,365 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:32,367 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:32,367 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:07:32,367 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:32,368 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:07:32,368 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:32,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:07:32,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:07:32,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:07:32,368 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:32,369 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 01:07:32,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:32,371 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:32,373 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:32,373 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:07:32,373 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:32,373 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 01:07:32,373 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:32,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 01:07:32,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:07:32,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 01:07:32,374 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:32,425 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 01:07:32,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:32,427 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:32,428 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:32,428 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:07:32,428 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:32,429 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:07:32,429 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:32,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:07:32,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-28 01:07:32,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:07:32,429 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:32,430 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-28 01:07:32,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:32,432 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:32,433 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:32,433 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:07:32,433 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:32,433 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:07:32,433 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:32,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:07:32,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-28 01:07:32,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:07:32,434 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:32,435 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 01:07:32,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:32,436 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:32,437 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:32,437 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:07:32,437 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:32,437 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:07:32,438 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:32,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:07:32,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-28 01:07:32,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:07:32,438 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:32,443 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2020-10-28 01:07:32,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:32,444 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:32,445 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:32,445 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 01:07:32,445 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:32,445 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:07:32,445 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:32,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:07:32,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 01:07:32,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:07:32,446 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:32,480 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 37 proven. 3 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2020-10-28 01:07:32,481 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1435027198] [2020-10-28 01:07:32,481 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 01:07:32,481 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2020-10-28 01:07:32,481 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1422529517] [2020-10-28 01:07:32,482 INFO L461 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-10-28 01:07:32,482 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 01:07:32,482 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-10-28 01:07:32,482 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=172, Unknown=0, NotChecked=0, Total=210 [2020-10-28 01:07:32,483 INFO L87 Difference]: Start difference. First operand 7335 states and 10396 transitions. Second operand 15 states. [2020-10-28 01:07:32,809 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2020-10-28 01:07:32,959 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2020-10-28 01:07:33,859 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-28 01:07:35,983 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2020-10-28 01:07:36,315 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-10-28 01:07:36,680 WARN L193 SmtUtils]: Spent 323.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2020-10-28 01:07:36,976 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2020-10-28 01:07:37,296 WARN L193 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2020-10-28 01:07:37,616 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-10-28 01:07:37,924 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2020-10-28 01:07:38,210 WARN L193 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-10-28 01:07:54,166 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 01:07:54,166 INFO L93 Difference]: Finished difference Result 26257 states and 40928 transitions. [2020-10-28 01:07:54,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2020-10-28 01:07:54,167 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 217 [2020-10-28 01:07:54,167 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 01:07:54,251 INFO L225 Difference]: With dead ends: 26257 [2020-10-28 01:07:54,251 INFO L226 Difference]: Without dead ends: 15180 [2020-10-28 01:07:54,299 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 479 ImplicationChecksByTransitivity, 5.1s TimeCoverageRelationStatistics Valid=394, Invalid=1498, Unknown=0, NotChecked=0, Total=1892 [2020-10-28 01:07:54,317 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15180 states. [2020-10-28 01:07:55,900 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15180 to 12976. [2020-10-28 01:07:55,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12976 states. [2020-10-28 01:07:55,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12976 states to 12976 states and 18091 transitions. [2020-10-28 01:07:55,938 INFO L78 Accepts]: Start accepts. Automaton has 12976 states and 18091 transitions. Word has length 217 [2020-10-28 01:07:55,939 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 01:07:55,939 INFO L481 AbstractCegarLoop]: Abstraction has 12976 states and 18091 transitions. [2020-10-28 01:07:55,939 INFO L482 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-10-28 01:07:55,939 INFO L276 IsEmpty]: Start isEmpty. Operand 12976 states and 18091 transitions. [2020-10-28 01:07:55,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 260 [2020-10-28 01:07:55,981 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 01:07:55,982 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 01:07:55,982 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-28 01:07:55,982 INFO L429 AbstractCegarLoop]: === Iteration 12 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 01:07:55,982 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 01:07:55,982 INFO L82 PathProgramCache]: Analyzing trace with hash 595847632, now seen corresponding path program 1 times [2020-10-28 01:07:55,983 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 01:07:55,983 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1999403613] [2020-10-28 01:07:55,983 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 01:07:55,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:56,012 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:56,059 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:56,086 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:56,141 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:56,185 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:59,006 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:59,082 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:59,122 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:59,302 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:59,332 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:59,358 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:59,386 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:59,409 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:00,988 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:01,037 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:08:01,037 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 333 [2020-10-28 01:08:01,037 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 14 [2020-10-28 01:08:01,037 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5033 [2020-10-28 01:08:01,037 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:08:01,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:08:01,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 220 [2020-10-28 01:08:01,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 39 [2020-10-28 01:08:01,038 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:08:01,300 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-28 01:08:01,301 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 01:08:01,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:08:01,305 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:01,308 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:08:01,308 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 01:08:01,309 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:08:01,309 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 01:08:01,309 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:08:01,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:08:01,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:08:01,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:08:01,309 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:08:01,337 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 01:08:01,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:08:01,339 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:01,340 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:08:01,340 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 01:08:01,340 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:08:01,340 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:08:01,340 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:08:01,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:08:01,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:08:01,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:08:01,341 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:08:01,342 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 01:08:01,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:08:01,342 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:01,343 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:08:01,343 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 01:08:01,343 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:08:01,343 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 01:08:01,343 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:08:01,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:08:01,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:08:01,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:08:01,343 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:08:01,372 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 01:08:01,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:08:01,374 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:01,376 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:08:01,377 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-28 01:08:01,377 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:08:01,377 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 01:08:01,377 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:08:01,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:08:01,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:08:01,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:08:01,377 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:08:01,431 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-28 01:08:01,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:08:01,434 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:01,436 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:08:01,436 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-28 01:08:01,436 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:08:01,436 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 01:08:01,436 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:08:01,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:08:01,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:08:01,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:08:01,436 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:08:01,441 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-28 01:08:01,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:08:01,443 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:01,446 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:08:01,446 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-10-28 01:08:01,446 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:08:01,446 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 01:08:01,446 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:08:01,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:08:01,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:08:01,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:08:01,447 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:08:01,449 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 01:08:01,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:08:01,450 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:01,450 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:08:01,451 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:08:01,451 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:08:01,451 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 01:08:01,451 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:08:01,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:08:01,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:08:01,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:08:01,451 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:08:01,452 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 01:08:01,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:08:01,453 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:01,454 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:08:01,454 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:08:01,454 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:08:01,454 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:08:01,454 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:08:01,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:08:01,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:08:01,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:08:01,455 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:08:01,455 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 01:08:01,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:08:01,456 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:01,457 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:08:01,457 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:08:01,457 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:08:01,457 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 01:08:01,457 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:08:01,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:08:01,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:08:01,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:08:01,458 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:08:01,458 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-28 01:08:01,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:08:01,459 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:01,459 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:08:01,459 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:08:01,460 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:08:01,460 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 01:08:01,460 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:08:01,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:08:01,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:08:01,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:08:01,460 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:08:01,461 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 01:08:01,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:08:01,461 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:01,462 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:08:01,462 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:08:01,462 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:08:01,462 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 01:08:01,463 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:08:01,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:08:01,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:08:01,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:08:01,463 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:08:01,464 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-28 01:08:01,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:08:01,466 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:01,468 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:08:01,468 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-28 01:08:01,468 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:08:01,468 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 01:08:01,468 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:08:01,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:08:01,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:08:01,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:08:01,469 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:08:01,470 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2020-10-28 01:08:01,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:08:01,471 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:01,471 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:08:01,471 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 01:08:01,471 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:08:01,472 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 01:08:01,472 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:08:01,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:08:01,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:08:01,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:08:01,472 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:08:01,523 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2020-10-28 01:08:01,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:08:01,532 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:01,543 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:08:01,543 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-10-28 01:08:01,543 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:08:01,543 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-28 01:08:01,544 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:08:01,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:08:01,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:08:01,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 72 [2020-10-28 01:08:01,544 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:08:01,549 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-28 01:08:01,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:08:01,552 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:01,556 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:08:01,556 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 68 [2020-10-28 01:08:01,557 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:08:01,557 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 01:08:01,557 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:08:01,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:08:01,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:08:01,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:08:01,557 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:08:01,560 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 01:08:01,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:08:01,562 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:01,565 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:08:01,565 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-10-28 01:08:01,565 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:08:01,565 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 01:08:01,566 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:08:01,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:08:01,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:08:01,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:08:01,566 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:08:01,568 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 01:08:01,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:08:01,569 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:01,570 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:08:01,570 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:08:01,570 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:08:01,570 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 01:08:01,571 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:08:01,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:08:01,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:08:01,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:08:01,571 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:08:01,572 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 01:08:01,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:08:01,573 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:01,573 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:08:01,574 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:08:01,574 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:08:01,574 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 01:08:01,574 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:08:01,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:08:01,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:08:01,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:08:01,574 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:08:01,575 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 01:08:01,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:08:01,576 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:01,577 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:08:01,577 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:08:01,577 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:08:01,577 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 01:08:01,577 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:08:01,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:08:01,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:08:01,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:08:01,578 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:08:01,578 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-28 01:08:01,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:08:01,579 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:01,580 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:08:01,580 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:08:01,580 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:08:01,581 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:08:01,581 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:08:01,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:08:01,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:08:01,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:08:01,581 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:08:01,582 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 01:08:01,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:08:01,583 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:01,584 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:08:01,584 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:08:01,584 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:08:01,584 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 01:08:01,584 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:08:01,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:08:01,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:08:01,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:08:01,585 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:08:01,638 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2020-10-28 01:08:01,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:08:01,648 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:01,659 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:08:01,659 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-10-28 01:08:01,659 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:08:01,659 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-28 01:08:01,660 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:08:01,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:08:01,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 28 [2020-10-28 01:08:01,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 49 [2020-10-28 01:08:01,660 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:08:01,678 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 01:08:01,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:08:01,685 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:01,693 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:08:01,693 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 68 [2020-10-28 01:08:01,693 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:08:01,693 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-28 01:08:01,693 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:08:01,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:08:01,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:08:01,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-10-28 01:08:01,694 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:08:01,697 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 01:08:01,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:08:01,704 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:01,715 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:08:01,715 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-10-28 01:08:01,715 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:08:01,715 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-28 01:08:01,715 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:08:01,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:08:01,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:08:01,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-28 01:08:01,716 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:08:01,721 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 01:08:01,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:08:01,722 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:01,723 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:08:01,724 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:08:01,724 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:08:01,724 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:08:01,724 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:08:01,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:08:01,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:08:01,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:08:01,725 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:08:01,726 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 01:08:01,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:08:01,727 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:01,729 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:08:01,729 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:08:01,729 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:08:01,729 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:08:01,729 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:08:01,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:08:01,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:08:01,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 01:08:01,730 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:08:01,731 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 01:08:01,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:08:01,732 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:01,733 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:08:01,733 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:08:01,734 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:08:01,734 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:08:01,734 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:08:01,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:08:01,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:08:01,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 01:08:01,734 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:08:01,735 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-28 01:08:01,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:08:01,736 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:01,738 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:08:01,738 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:08:01,738 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:08:01,739 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 01:08:01,739 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:08:01,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:08:01,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:08:01,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 01:08:01,739 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:08:01,740 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 01:08:01,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:08:01,742 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:01,743 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:08:01,743 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:08:01,743 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:08:01,744 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:08:01,744 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:08:01,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:08:01,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:08:01,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 01:08:01,744 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:08:01,750 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2020-10-28 01:08:01,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:08:01,751 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:01,752 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:08:01,752 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 01:08:01,752 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:08:01,752 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 01:08:01,752 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:08:01,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:08:01,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 01:08:01,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:08:01,753 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:08:01,799 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2020-10-28 01:08:01,799 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1999403613] [2020-10-28 01:08:01,800 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 01:08:01,800 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-28 01:08:01,800 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1308697742] [2020-10-28 01:08:01,801 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-28 01:08:01,801 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 01:08:01,801 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-28 01:08:01,801 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2020-10-28 01:08:01,801 INFO L87 Difference]: Start difference. First operand 12976 states and 18091 transitions. Second operand 10 states. [2020-10-28 01:08:02,114 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2020-10-28 01:08:05,181 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 114