/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=SHALLOWEST --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf language data_model -i ../../../trunk/examples/svcomp/systemc/transmitter.02.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-27 06:41:33,107 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-27 06:41:33,112 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-27 06:41:33,176 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-27 06:41:33,176 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-27 06:41:33,182 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-27 06:41:33,185 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-27 06:41:33,191 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-27 06:41:33,194 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-27 06:41:33,196 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-27 06:41:33,198 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-27 06:41:33,200 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-27 06:41:33,201 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-27 06:41:33,208 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-27 06:41:33,210 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-27 06:41:33,213 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-27 06:41:33,214 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-27 06:41:33,218 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-27 06:41:33,226 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-27 06:41:33,233 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-27 06:41:33,236 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-27 06:41:33,238 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-27 06:41:33,240 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-27 06:41:33,243 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-27 06:41:33,252 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-27 06:41:33,252 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-27 06:41:33,253 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-27 06:41:33,257 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-27 06:41:33,257 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-27 06:41:33,259 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-27 06:41:33,259 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-27 06:41:33,260 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-27 06:41:33,262 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-27 06:41:33,263 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-27 06:41:33,265 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-27 06:41:33,265 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-27 06:41:33,277 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-27 06:41:33,277 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-27 06:41:33,278 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-27 06:41:33,279 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-27 06:41:33,280 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-27 06:41:33,288 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-27 06:41:33,342 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-27 06:41:33,342 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-27 06:41:33,347 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-27 06:41:33,348 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-27 06:41:33,348 INFO L138 SettingsManager]: * Use SBE=true [2020-10-27 06:41:33,348 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-27 06:41:33,348 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-27 06:41:33,349 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-27 06:41:33,349 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-27 06:41:33,349 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-27 06:41:33,350 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-27 06:41:33,350 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-27 06:41:33,351 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-27 06:41:33,351 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-27 06:41:33,351 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-27 06:41:33,351 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-27 06:41:33,351 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-27 06:41:33,352 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-27 06:41:33,352 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-27 06:41:33,352 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-27 06:41:33,352 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-27 06:41:33,352 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 06:41:33,353 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-27 06:41:33,353 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-27 06:41:33,353 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-27 06:41:33,353 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-27 06:41:33,353 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-27 06:41:33,353 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-27 06:41:33,354 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-27 06:41:33,354 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SHALLOWEST;log-additional-information=true;unknown-allowed=true; [2020-10-27 06:41:33,751 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-27 06:41:33,802 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-27 06:41:33,806 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-27 06:41:33,808 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-27 06:41:33,808 INFO L275 PluginConnector]: CDTParser initialized [2020-10-27 06:41:33,811 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/systemc/transmitter.02.cil.c [2020-10-27 06:41:33,886 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/12f3e75af/7023e8c51b184430ae7e48c8595415fc/FLAGd00370ffe [2020-10-27 06:41:34,566 INFO L306 CDTParser]: Found 1 translation units. [2020-10-27 06:41:34,567 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/systemc/transmitter.02.cil.c [2020-10-27 06:41:34,582 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/12f3e75af/7023e8c51b184430ae7e48c8595415fc/FLAGd00370ffe [2020-10-27 06:41:34,870 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/12f3e75af/7023e8c51b184430ae7e48c8595415fc [2020-10-27 06:41:34,873 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-27 06:41:34,881 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-27 06:41:34,883 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-27 06:41:34,883 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-27 06:41:34,889 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-27 06:41:34,890 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 06:41:34" (1/1) ... [2020-10-27 06:41:34,895 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b18556e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:41:34, skipping insertion in model container [2020-10-27 06:41:34,896 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 06:41:34" (1/1) ... [2020-10-27 06:41:34,904 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-27 06:41:34,950 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-27 06:41:35,229 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 06:41:35,263 INFO L203 MainTranslator]: Completed pre-run [2020-10-27 06:41:35,368 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 06:41:35,415 INFO L208 MainTranslator]: Completed translation [2020-10-27 06:41:35,417 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:41:35 WrapperNode [2020-10-27 06:41:35,417 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-27 06:41:35,421 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-27 06:41:35,421 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-27 06:41:35,421 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-27 06:41:35,440 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:41:35" (1/1) ... [2020-10-27 06:41:35,442 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:41:35" (1/1) ... [2020-10-27 06:41:35,468 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:41:35" (1/1) ... [2020-10-27 06:41:35,469 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:41:35" (1/1) ... [2020-10-27 06:41:35,496 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:41:35" (1/1) ... [2020-10-27 06:41:35,521 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:41:35" (1/1) ... [2020-10-27 06:41:35,527 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:41:35" (1/1) ... [2020-10-27 06:41:35,538 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-27 06:41:35,541 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-27 06:41:35,541 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-27 06:41:35,541 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-27 06:41:35,542 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:41:35" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 06:41:35,629 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-27 06:41:35,629 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-27 06:41:35,629 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-27 06:41:35,629 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2020-10-27 06:41:35,630 INFO L138 BoogieDeclarations]: Found implementation of procedure master [2020-10-27 06:41:35,630 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit1 [2020-10-27 06:41:35,630 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit2 [2020-10-27 06:41:35,630 INFO L138 BoogieDeclarations]: Found implementation of procedure is_master_triggered [2020-10-27 06:41:35,630 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit1_triggered [2020-10-27 06:41:35,631 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit2_triggered [2020-10-27 06:41:35,631 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels [2020-10-27 06:41:35,631 INFO L138 BoogieDeclarations]: Found implementation of procedure init_threads [2020-10-27 06:41:35,631 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2020-10-27 06:41:35,631 INFO L138 BoogieDeclarations]: Found implementation of procedure eval [2020-10-27 06:41:35,631 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events [2020-10-27 06:41:35,632 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events [2020-10-27 06:41:35,632 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads [2020-10-27 06:41:35,632 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2020-10-27 06:41:35,632 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_time_events [2020-10-27 06:41:35,632 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_time_events [2020-10-27 06:41:35,633 INFO L138 BoogieDeclarations]: Found implementation of procedure init_model [2020-10-27 06:41:35,633 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_simulation [2020-10-27 06:41:35,633 INFO L138 BoogieDeclarations]: Found implementation of procedure start_simulation [2020-10-27 06:41:35,633 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-27 06:41:35,633 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-27 06:41:35,633 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-27 06:41:35,634 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-27 06:41:35,634 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-27 06:41:35,634 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-27 06:41:35,634 INFO L130 BoogieDeclarations]: Found specification of procedure error [2020-10-27 06:41:35,634 INFO L130 BoogieDeclarations]: Found specification of procedure is_master_triggered [2020-10-27 06:41:35,634 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit1_triggered [2020-10-27 06:41:35,635 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit2_triggered [2020-10-27 06:41:35,635 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2020-10-27 06:41:35,635 INFO L130 BoogieDeclarations]: Found specification of procedure master [2020-10-27 06:41:35,635 INFO L130 BoogieDeclarations]: Found specification of procedure transmit1 [2020-10-27 06:41:35,635 INFO L130 BoogieDeclarations]: Found specification of procedure transmit2 [2020-10-27 06:41:35,635 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels [2020-10-27 06:41:35,636 INFO L130 BoogieDeclarations]: Found specification of procedure init_threads [2020-10-27 06:41:35,636 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2020-10-27 06:41:35,636 INFO L130 BoogieDeclarations]: Found specification of procedure eval [2020-10-27 06:41:35,636 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events [2020-10-27 06:41:35,636 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events [2020-10-27 06:41:35,636 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads [2020-10-27 06:41:35,637 INFO L130 BoogieDeclarations]: Found specification of procedure fire_time_events [2020-10-27 06:41:35,637 INFO L130 BoogieDeclarations]: Found specification of procedure reset_time_events [2020-10-27 06:41:35,637 INFO L130 BoogieDeclarations]: Found specification of procedure init_model [2020-10-27 06:41:35,637 INFO L130 BoogieDeclarations]: Found specification of procedure stop_simulation [2020-10-27 06:41:35,637 INFO L130 BoogieDeclarations]: Found specification of procedure start_simulation [2020-10-27 06:41:35,637 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-27 06:41:35,637 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-27 06:41:35,638 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-27 06:41:35,638 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-27 06:41:35,638 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-27 06:41:35,638 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-27 06:41:35,638 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-27 06:41:36,468 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-27 06:41:36,468 INFO L298 CfgBuilder]: Removed 6 assume(true) statements. [2020-10-27 06:41:36,471 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 06:41:36 BoogieIcfgContainer [2020-10-27 06:41:36,471 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-27 06:41:36,473 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-27 06:41:36,473 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-27 06:41:36,477 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-27 06:41:36,478 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 06:41:34" (1/3) ... [2020-10-27 06:41:36,479 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1bea1629 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 06:41:36, skipping insertion in model container [2020-10-27 06:41:36,479 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:41:35" (2/3) ... [2020-10-27 06:41:36,479 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1bea1629 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 06:41:36, skipping insertion in model container [2020-10-27 06:41:36,479 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 06:41:36" (3/3) ... [2020-10-27 06:41:36,481 INFO L111 eAbstractionObserver]: Analyzing ICFG transmitter.02.cil.c [2020-10-27 06:41:36,494 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-27 06:41:36,503 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-27 06:41:36,518 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-27 06:41:36,548 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-27 06:41:36,549 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-27 06:41:36,549 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-27 06:41:36,549 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-27 06:41:36,549 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-27 06:41:36,549 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-27 06:41:36,549 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-27 06:41:36,549 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-27 06:41:36,574 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states. [2020-10-27 06:41:36,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2020-10-27 06:41:36,586 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 06:41:36,587 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] [2020-10-27 06:41:36,588 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 06:41:36,594 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 06:41:36,595 INFO L82 PathProgramCache]: Analyzing trace with hash 1259976034, now seen corresponding path program 1 times [2020-10-27 06:41:36,605 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 06:41:36,605 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1834758677] [2020-10-27 06:41:36,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 06:41:36,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:41:36,874 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:41:37,171 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:41:37,229 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:41:37,969 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:41:38,036 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:41:38,239 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:41:38,291 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:41:38,497 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:41:38,676 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:41:38,719 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:41:38,743 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:41:38,772 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:41:41,803 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:41:41,804 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 127 [2020-10-27 06:41:41,804 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 12 [2020-10-27 06:41:41,804 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-27 06:41:41,807 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:41:41,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 06:41:41,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 06:41:41,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 49 [2020-10-27 06:41:41,808 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-27 06:41:41,996 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 06:41:42,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:41:42,019 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:41:42,055 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:41:42,055 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 06:41:42,056 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:41:42,056 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 39 [2020-10-27 06:41:42,056 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:41:42,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:41:42,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:41:42,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 06:41:42,059 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-27 06:41:42,102 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 06:41:42,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:41:42,107 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:41:42,112 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:41:42,112 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 06:41:42,112 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:41:42,112 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 06:41:42,112 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:41:42,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:41:42,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:41:42,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 06:41:42,113 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:41:42,116 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 06:41:42,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:41:42,119 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:41:42,121 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:41:42,122 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 06:41:42,122 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:41:42,122 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:41:42,122 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:41:42,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:41:42,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:41:42,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 06:41:42,123 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:41:42,137 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-27 06:41:42,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:41:42,142 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:41:42,148 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:41:42,148 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 06:41:42,148 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:41:42,148 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 06:41:42,149 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:41:42,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:41:42,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:41:42,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 06:41:42,149 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:41:42,172 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-27 06:41:42,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:41:42,178 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:41:42,185 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:41:42,185 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-27 06:41:42,185 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:41:42,186 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 06:41:42,186 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:41:42,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:41:42,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:41:42,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-27 06:41:42,187 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:41:42,190 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-27 06:41:42,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:41:42,208 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:41:42,216 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:41:42,306 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:41:42,307 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-27 06:41:42,307 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 06:41:42,307 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 101 [2020-10-27 06:41:42,307 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:41:42,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:41:42,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 06:41:42,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 32 [2020-10-27 06:41:42,308 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:41:42,332 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 06:41:42,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:41:42,336 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:41:42,342 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:41:42,342 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:41:42,342 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:41:42,342 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 06:41:42,343 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:41:42,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:41:42,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:41:42,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-27 06:41:42,343 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:41:42,349 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 06:41:42,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:41:42,353 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:41:42,358 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:41:42,359 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:41:42,359 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:41:42,359 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 06:41:42,359 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:41:42,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:41:42,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:41:42,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 06:41:42,362 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-27 06:41:42,367 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-27 06:41:42,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:41:42,374 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:41:42,381 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:41:42,381 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:41:42,381 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:41:42,381 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 06:41:42,382 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:41:42,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:41:42,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:41:42,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 06:41:42,382 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:41:42,392 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-27 06:41:42,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:41:42,408 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:41:42,412 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:41:42,412 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-27 06:41:42,412 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:41:42,413 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 06:41:42,413 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:41:42,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:41:42,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-10-27 06:41:42,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:41:42,414 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:41:42,417 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-27 06:41:42,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:41:42,423 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:41:42,425 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:41:42,425 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 06:41:42,425 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:41:42,425 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:41:42,426 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:41:42,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:41:42,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 06:41:42,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:41:42,426 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:41:42,448 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 06:41:42,449 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1834758677] [2020-10-27 06:41:42,451 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 06:41:42,452 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-27 06:41:42,453 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1089834818] [2020-10-27 06:41:42,461 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-27 06:41:42,461 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 06:41:42,475 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-27 06:41:42,477 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-10-27 06:41:42,479 INFO L87 Difference]: Start difference. First operand 173 states. Second operand 8 states. [2020-10-27 06:41:46,344 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 06:41:46,345 INFO L93 Difference]: Finished difference Result 619 states and 958 transitions. [2020-10-27 06:41:46,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-27 06:41:46,347 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 91 [2020-10-27 06:41:46,348 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 06:41:46,377 INFO L225 Difference]: With dead ends: 619 [2020-10-27 06:41:46,378 INFO L226 Difference]: Without dead ends: 448 [2020-10-27 06:41:46,392 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=81, Invalid=225, Unknown=0, NotChecked=0, Total=306 [2020-10-27 06:41:46,414 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 448 states. [2020-10-27 06:41:46,541 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 448 to 312. [2020-10-27 06:41:46,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 312 states. [2020-10-27 06:41:46,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 312 states and 422 transitions. [2020-10-27 06:41:46,548 INFO L78 Accepts]: Start accepts. Automaton has 312 states and 422 transitions. Word has length 91 [2020-10-27 06:41:46,549 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 06:41:46,549 INFO L481 AbstractCegarLoop]: Abstraction has 312 states and 422 transitions. [2020-10-27 06:41:46,549 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-27 06:41:46,549 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states and 422 transitions. [2020-10-27 06:41:46,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2020-10-27 06:41:46,554 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 06:41:46,555 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] [2020-10-27 06:41:46,555 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-27 06:41:46,555 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 06:41:46,555 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 06:41:46,556 INFO L82 PathProgramCache]: Analyzing trace with hash 118328641, now seen corresponding path program 1 times [2020-10-27 06:41:46,556 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 06:41:46,556 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [601636725] [2020-10-27 06:41:46,556 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 06:41:46,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:41:46,604 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:41:46,643 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:41:46,668 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:41:46,690 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:41:48,109 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:41:48,166 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:41:48,199 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:41:48,299 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:41:48,417 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:41:48,448 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:41:48,473 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:41:48,514 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:41:51,595 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:41:51,596 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 127 [2020-10-27 06:41:51,596 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 12 [2020-10-27 06:41:51,596 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-27 06:41:51,597 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:41:51,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 06:41:51,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 06:41:51,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 35 [2020-10-27 06:41:51,598 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 06:41:51,753 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 06:41:51,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:41:51,766 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:41:51,784 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:41:51,784 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 06:41:51,785 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:41:51,785 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-27 06:41:51,785 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:41:51,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:41:51,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:41:51,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 06:41:51,787 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 06:41:51,815 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 06:41:51,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:41:51,819 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:41:51,821 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:41:51,822 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 06:41:51,822 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:41:51,822 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 06:41:51,823 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:41:51,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:41:51,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:41:51,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 06:41:51,824 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 06:41:51,826 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 06:41:51,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:41:51,829 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:41:51,830 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:41:51,831 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 06:41:51,831 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:41:51,831 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:41:51,831 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:41:51,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:41:51,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:41:51,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 06:41:51,833 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 06:41:51,853 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-27 06:41:51,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:41:51,856 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:41:51,860 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:41:51,861 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 06:41:51,861 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:41:51,861 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 06:41:51,861 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:41:51,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:41:51,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:41:51,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 06:41:51,862 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:41:51,891 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-27 06:41:51,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:41:51,896 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:41:51,909 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:41:51,909 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-27 06:41:51,910 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:41:51,910 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-27 06:41:51,910 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:41:51,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 06:41:51,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 06:41:51,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-27 06:41:51,911 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 06:41:51,943 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-27 06:41:51,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:41:51,953 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:41:51,959 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:41:51,966 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:41:52,125 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:41:52,125 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-27 06:41:52,125 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 06:41:52,126 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 174 [2020-10-27 06:41:52,126 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:41:52,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 06:41:52,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 06:41:52,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 06:41:52,127 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:41:52,190 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 06:41:52,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:41:52,194 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:41:52,205 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:41:52,210 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:41:52,210 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:41:52,211 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-27 06:41:52,211 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:41:52,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 06:41:52,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:41:52,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 06:41:52,212 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:41:52,247 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 06:41:52,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:41:52,251 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:41:52,252 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:41:52,252 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:41:52,253 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:41:52,253 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:41:52,253 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:41:52,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:41:52,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 06:41:52,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:41:52,254 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:41:52,258 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-27 06:41:52,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:41:52,263 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:41:52,265 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:41:52,265 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:41:52,266 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:41:52,266 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:41:52,266 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:41:52,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:41:52,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 06:41:52,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:41:52,268 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 06:41:52,271 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-27 06:41:52,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:41:52,274 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:41:52,289 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:41:52,290 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-27 06:41:52,290 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:41:52,290 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-27 06:41:52,290 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:41:52,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:41:52,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-10-27 06:41:52,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:41:52,291 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:41:52,299 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-27 06:41:52,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:41:52,302 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:41:52,304 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:41:52,305 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 06:41:52,305 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:41:52,305 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:41:52,306 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:41:52,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:41:52,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 06:41:52,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:41:52,306 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:41:52,324 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 06:41:52,324 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [601636725] [2020-10-27 06:41:52,325 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 06:41:52,325 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-10-27 06:41:52,325 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2003990726] [2020-10-27 06:41:52,327 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-27 06:41:52,327 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 06:41:52,327 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-27 06:41:52,328 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2020-10-27 06:41:52,329 INFO L87 Difference]: Start difference. First operand 312 states and 422 transitions. Second operand 13 states. [2020-10-27 06:41:55,395 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 06:41:55,395 INFO L93 Difference]: Finished difference Result 737 states and 1080 transitions. [2020-10-27 06:41:55,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-27 06:41:55,396 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 91 [2020-10-27 06:41:55,397 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 06:41:55,402 INFO L225 Difference]: With dead ends: 737 [2020-10-27 06:41:55,402 INFO L226 Difference]: Without dead ends: 445 [2020-10-27 06:41:55,405 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=133, Invalid=373, Unknown=0, NotChecked=0, Total=506 [2020-10-27 06:41:55,406 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 445 states. [2020-10-27 06:41:55,473 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 445 to 317. [2020-10-27 06:41:55,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 317 states. [2020-10-27 06:41:55,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 317 states and 420 transitions. [2020-10-27 06:41:55,477 INFO L78 Accepts]: Start accepts. Automaton has 317 states and 420 transitions. Word has length 91 [2020-10-27 06:41:55,478 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 06:41:55,478 INFO L481 AbstractCegarLoop]: Abstraction has 317 states and 420 transitions. [2020-10-27 06:41:55,478 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-27 06:41:55,478 INFO L276 IsEmpty]: Start isEmpty. Operand 317 states and 420 transitions. [2020-10-27 06:41:55,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2020-10-27 06:41:55,480 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 06:41:55,481 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] [2020-10-27 06:41:55,481 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-27 06:41:55,481 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 06:41:55,481 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 06:41:55,482 INFO L82 PathProgramCache]: Analyzing trace with hash -298155073, now seen corresponding path program 1 times [2020-10-27 06:41:55,482 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 06:41:55,482 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1253191836] [2020-10-27 06:41:55,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 06:41:55,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:41:55,510 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:41:55,562 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:41:55,585 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:41:55,856 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:41:55,942 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:41:56,027 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:41:56,110 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:41:56,144 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:41:56,178 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:41:56,319 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:42:00,506 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:42:00,506 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 127 [2020-10-27 06:42:00,507 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 10 [2020-10-27 06:42:00,507 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5004 [2020-10-27 06:42:00,507 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:42:00,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 06:42:00,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 06:42:00,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 34 [2020-10-27 06:42:00,508 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:42:00,603 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 06:42:00,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:42:00,612 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:42:00,626 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:42:00,627 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 06:42:00,627 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:42:00,627 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-27 06:42:00,627 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:42:00,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:42:00,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:42:00,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 06:42:00,628 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:42:00,647 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 06:42:00,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:42:00,650 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:42:00,653 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:42:00,653 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 06:42:00,653 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:42:00,653 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 06:42:00,654 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:42:00,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:42:00,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:42:00,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 06:42:00,654 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:42:00,656 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 06:42:00,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:42:00,659 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:42:00,661 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:42:00,661 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 06:42:00,661 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:42:00,661 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:42:00,662 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:42:00,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:42:00,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:42:00,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 06:42:00,664 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 06:42:00,680 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-27 06:42:00,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:42:00,684 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:42:00,687 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:42:00,688 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 06:42:00,688 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:42:00,688 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 06:42:00,689 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:42:00,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:42:00,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:42:00,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 06:42:00,689 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:42:00,712 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-27 06:42:00,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:42:00,716 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:42:00,725 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:42:00,726 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-27 06:42:00,726 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:42:00,726 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 06:42:00,726 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:42:00,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 06:42:00,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 06:42:00,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-27 06:42:00,727 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:42:00,742 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-27 06:42:00,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:42:00,750 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:42:00,755 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:42:00,793 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:42:00,793 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-27 06:42:00,793 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 06:42:00,793 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 45 [2020-10-27 06:42:00,794 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:42:00,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 06:42:00,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-10-27 06:42:00,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 06:42:00,796 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-27 06:42:00,849 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 06:42:00,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:42:00,851 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:42:00,853 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:42:00,853 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:42:00,853 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:42:00,853 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:42:00,854 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:42:00,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:42:00,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:42:00,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:42:00,854 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:42:00,856 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 06:42:00,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:42:00,859 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:42:00,865 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:42:00,865 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:42:00,866 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:42:00,866 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 06:42:00,866 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:42:00,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 06:42:00,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:42:00,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 06:42:00,867 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:42:00,898 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-27 06:42:00,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:42:00,901 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:42:00,904 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:42:00,904 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:42:00,905 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:42:00,905 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 06:42:00,905 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:42:00,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:42:00,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 06:42:00,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:42:00,906 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:42:00,909 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-27 06:42:00,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:42:00,912 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:42:00,914 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:42:00,914 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-27 06:42:00,916 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:42:00,917 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 06:42:00,917 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:42:00,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:42:00,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-10-27 06:42:00,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:42:00,918 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:42:00,922 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-27 06:42:00,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:42:00,926 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:42:00,928 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:42:00,928 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 06:42:00,928 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:42:00,928 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:42:00,929 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:42:00,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:42:00,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 06:42:00,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:42:00,929 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:42:00,944 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 06:42:00,944 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1253191836] [2020-10-27 06:42:00,944 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 06:42:00,945 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-27 06:42:00,945 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [958797316] [2020-10-27 06:42:00,947 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-27 06:42:00,947 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 06:42:00,947 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-27 06:42:00,949 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2020-10-27 06:42:00,949 INFO L87 Difference]: Start difference. First operand 317 states and 420 transitions. Second operand 12 states. [2020-10-27 06:42:01,952 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2020-10-27 06:42:05,673 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 06:42:05,673 INFO L93 Difference]: Finished difference Result 1136 states and 1630 transitions. [2020-10-27 06:42:05,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2020-10-27 06:42:05,674 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 91 [2020-10-27 06:42:05,674 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 06:42:05,688 INFO L225 Difference]: With dead ends: 1136 [2020-10-27 06:42:05,688 INFO L226 Difference]: Without dead ends: 839 [2020-10-27 06:42:05,691 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 178 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=208, Invalid=722, Unknown=0, NotChecked=0, Total=930 [2020-10-27 06:42:05,693 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 839 states. [2020-10-27 06:42:05,819 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 839 to 621. [2020-10-27 06:42:05,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 621 states. [2020-10-27 06:42:05,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 621 states to 621 states and 820 transitions. [2020-10-27 06:42:05,827 INFO L78 Accepts]: Start accepts. Automaton has 621 states and 820 transitions. Word has length 91 [2020-10-27 06:42:05,827 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 06:42:05,827 INFO L481 AbstractCegarLoop]: Abstraction has 621 states and 820 transitions. [2020-10-27 06:42:05,827 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-27 06:42:05,827 INFO L276 IsEmpty]: Start isEmpty. Operand 621 states and 820 transitions. [2020-10-27 06:42:05,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2020-10-27 06:42:05,836 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 06:42:05,836 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] [2020-10-27 06:42:05,836 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-27 06:42:05,836 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 06:42:05,837 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 06:42:05,837 INFO L82 PathProgramCache]: Analyzing trace with hash -1665542271, now seen corresponding path program 1 times [2020-10-27 06:42:05,837 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 06:42:05,838 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1459164486] [2020-10-27 06:42:05,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 06:42:05,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:42:05,865 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:42:05,898 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:42:05,956 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:42:06,040 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:42:06,112 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:42:06,191 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:42:06,271 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:42:06,575 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:42:10,857 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:42:10,858 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 127 [2020-10-27 06:42:10,858 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-27 06:42:10,858 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-27 06:42:10,858 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:42:10,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 06:42:10,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 06:42:10,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 71 [2020-10-27 06:42:10,859 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:42:10,961 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 06:42:10,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:42:10,969 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:42:10,979 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:42:10,980 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 06:42:10,980 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:42:10,980 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-27 06:42:10,980 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:42:10,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:42:10,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:42:10,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 06:42:10,981 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:42:10,994 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 06:42:10,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:42:10,997 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:42:10,999 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:42:10,999 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 06:42:11,000 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:42:11,000 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:42:11,000 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:42:11,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:42:11,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:42:11,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 06:42:11,001 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:42:11,005 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 06:42:11,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:42:11,011 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:42:11,012 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:42:11,012 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 06:42:11,012 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:42:11,012 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 06:42:11,013 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:42:11,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:42:11,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:42:11,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 06:42:11,013 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:42:11,036 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-27 06:42:11,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:42:11,039 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:42:11,041 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:42:11,042 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 06:42:11,042 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:42:11,042 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 06:42:11,042 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:42:11,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:42:11,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:42:11,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 06:42:11,043 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:42:11,062 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-27 06:42:11,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:42:11,065 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:42:11,069 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:42:11,069 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-27 06:42:11,069 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:42:11,069 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 06:42:11,069 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:42:11,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:42:11,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:42:11,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-27 06:42:11,070 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:42:11,072 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-27 06:42:11,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:42:11,078 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:42:11,086 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:42:11,086 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-27 06:42:11,087 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:42:11,087 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 06:42:11,087 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:42:11,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:42:11,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-10-27 06:42:11,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-27 06:42:11,088 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:42:11,102 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 06:42:11,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:42:11,103 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:42:11,104 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:42:11,105 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:42:11,105 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:42:11,105 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:42:11,105 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:42:11,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:42:11,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:42:11,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:42:11,106 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:42:11,107 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 06:42:11,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:42:11,110 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:42:11,111 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:42:11,112 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:42:11,112 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:42:11,112 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 06:42:11,112 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:42:11,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:42:11,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:42:11,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:42:11,113 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:42:11,114 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-27 06:42:11,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:42:11,116 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:42:11,118 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:42:11,119 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:42:11,119 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:42:11,119 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:42:11,119 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:42:11,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:42:11,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:42:11,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-27 06:42:11,120 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:42:11,123 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-27 06:42:11,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:42:11,126 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:42:11,128 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:42:11,128 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-27 06:42:11,128 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:42:11,128 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:42:11,128 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:42:11,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:42:11,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-10-27 06:42:11,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:42:11,129 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:42:11,130 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-27 06:42:11,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:42:11,132 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:42:11,134 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:42:11,134 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 06:42:11,134 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:42:11,134 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:42:11,134 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:42:11,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:42:11,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 06:42:11,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:42:11,135 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:42:11,148 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 06:42:11,148 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1459164486] [2020-10-27 06:42:11,148 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 06:42:11,148 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-27 06:42:11,149 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1377971949] [2020-10-27 06:42:11,150 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-27 06:42:11,150 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 06:42:11,151 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-27 06:42:11,151 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-10-27 06:42:11,151 INFO L87 Difference]: Start difference. First operand 621 states and 820 transitions. Second operand 8 states. [2020-10-27 06:42:14,774 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 06:42:14,774 INFO L93 Difference]: Finished difference Result 2180 states and 3080 transitions. [2020-10-27 06:42:14,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-27 06:42:14,775 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 91 [2020-10-27 06:42:14,775 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 06:42:14,789 INFO L225 Difference]: With dead ends: 2180 [2020-10-27 06:42:14,789 INFO L226 Difference]: Without dead ends: 1580 [2020-10-27 06:42:14,793 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=74, Invalid=198, Unknown=0, NotChecked=0, Total=272 [2020-10-27 06:42:14,796 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1580 states. [2020-10-27 06:42:14,956 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1580 to 1240. [2020-10-27 06:42:14,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1240 states. [2020-10-27 06:42:14,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1240 states to 1240 states and 1655 transitions. [2020-10-27 06:42:14,971 INFO L78 Accepts]: Start accepts. Automaton has 1240 states and 1655 transitions. Word has length 91 [2020-10-27 06:42:14,973 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 06:42:14,974 INFO L481 AbstractCegarLoop]: Abstraction has 1240 states and 1655 transitions. [2020-10-27 06:42:14,974 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-27 06:42:14,974 INFO L276 IsEmpty]: Start isEmpty. Operand 1240 states and 1655 transitions. [2020-10-27 06:42:14,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2020-10-27 06:42:14,978 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 06:42:14,979 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-27 06:42:14,979 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-27 06:42:14,979 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 06:42:14,980 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 06:42:14,980 INFO L82 PathProgramCache]: Analyzing trace with hash 1633699541, now seen corresponding path program 1 times [2020-10-27 06:42:14,980 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 06:42:14,980 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1634674942] [2020-10-27 06:42:14,980 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 06:42:15,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:42:15,010 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:42:15,044 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:42:15,066 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:42:15,146 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:42:15,164 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:42:15,248 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:42:18,285 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:42:18,305 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:42:18,398 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:42:18,424 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:42:18,552 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:42:18,806 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:42:20,004 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:42:20,004 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 150 [2020-10-27 06:42:20,004 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 12 [2020-10-27 06:42:20,004 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-27 06:42:20,004 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:42:20,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 06:42:20,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 06:42:20,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 38 [2020-10-27 06:42:20,005 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:42:20,101 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 06:42:20,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:42:20,110 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:42:20,125 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:42:20,125 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 06:42:20,125 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:42:20,126 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-27 06:42:20,126 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:42:20,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:42:20,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:42:20,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 06:42:20,127 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 06:42:20,147 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 06:42:20,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:42:20,152 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:42:20,155 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:42:20,155 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 06:42:20,156 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:42:20,157 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 06:42:20,157 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:42:20,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:42:20,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:42:20,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 06:42:20,158 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 06:42:20,160 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 06:42:20,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:42:20,167 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:42:20,168 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:42:20,168 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 06:42:20,168 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:42:20,168 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:42:20,169 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:42:20,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:42:20,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:42:20,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 06:42:20,170 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 06:42:20,187 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-27 06:42:20,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:42:20,190 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:42:20,194 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:42:20,194 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 06:42:20,194 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:42:20,194 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 06:42:20,194 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:42:20,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:42:20,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:42:20,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 06:42:20,195 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:42:20,215 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-27 06:42:20,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:42:20,219 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:42:20,228 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:42:20,229 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-27 06:42:20,229 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:42:20,229 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 06:42:20,229 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:42:20,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 06:42:20,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 06:42:20,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-27 06:42:20,230 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:42:20,303 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-27 06:42:20,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:42:20,322 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:42:20,332 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:42:20,363 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:42:20,364 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-27 06:42:20,364 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 06:42:20,364 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 53 [2020-10-27 06:42:20,364 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:42:20,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 06:42:20,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 30 [2020-10-27 06:42:20,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 06:42:20,365 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:42:20,406 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 06:42:20,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:42:20,408 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:42:20,409 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:42:20,409 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:42:20,409 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:42:20,410 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:42:20,410 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:42:20,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:42:20,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:42:20,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:42:20,410 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:42:20,412 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 06:42:20,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:42:20,414 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:42:20,415 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:42:20,416 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:42:20,416 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:42:20,416 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:42:20,416 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:42:20,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:42:20,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:42:20,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:42:20,417 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:42:20,422 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-27 06:42:20,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:42:20,424 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:42:20,428 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:42:20,429 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:42:20,429 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:42:20,429 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 06:42:20,429 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:42:20,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 06:42:20,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:42:20,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 06:42:20,430 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:42:20,462 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-27 06:42:20,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:42:20,465 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:42:20,467 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:42:20,468 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-27 06:42:20,468 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:42:20,468 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:42:20,468 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:42:20,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:42:20,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-10-27 06:42:20,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:42:20,469 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:42:20,471 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-27 06:42:20,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:42:20,474 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:42:20,475 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:42:20,475 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 06:42:20,475 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:42:20,475 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:42:20,476 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:42:20,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:42:20,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 06:42:20,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:42:20,476 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:42:20,498 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-27 06:42:20,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:42:20,500 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:42:20,501 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:42:20,501 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 06:42:20,502 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:42:20,502 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:42:20,502 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:42:20,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:42:20,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 06:42:20,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:42:20,503 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:42:20,505 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-27 06:42:20,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:42:20,509 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:42:20,519 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:42:20,519 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 06:42:20,520 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:42:20,520 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-27 06:42:20,520 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:42:20,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:42:20,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 06:42:20,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:42:20,521 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:42:20,545 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2020-10-27 06:42:20,545 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1634674942] [2020-10-27 06:42:20,546 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 06:42:20,546 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-10-27 06:42:20,546 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1915326772] [2020-10-27 06:42:20,547 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-27 06:42:20,547 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 06:42:20,548 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-27 06:42:20,548 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=150, Unknown=0, NotChecked=0, Total=182 [2020-10-27 06:42:20,548 INFO L87 Difference]: Start difference. First operand 1240 states and 1655 transitions. Second operand 14 states. [2020-10-27 06:42:24,897 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 06:42:24,898 INFO L93 Difference]: Finished difference Result 3396 states and 4760 transitions. [2020-10-27 06:42:24,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2020-10-27 06:42:24,898 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 110 [2020-10-27 06:42:24,899 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 06:42:24,917 INFO L225 Difference]: With dead ends: 3396 [2020-10-27 06:42:24,918 INFO L226 Difference]: Without dead ends: 2176 [2020-10-27 06:42:24,926 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 372 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=373, Invalid=1267, Unknown=0, NotChecked=0, Total=1640 [2020-10-27 06:42:24,929 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2176 states. [2020-10-27 06:42:25,147 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2176 to 1646. [2020-10-27 06:42:25,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1646 states. [2020-10-27 06:42:25,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1646 states to 1646 states and 2095 transitions. [2020-10-27 06:42:25,160 INFO L78 Accepts]: Start accepts. Automaton has 1646 states and 2095 transitions. Word has length 110 [2020-10-27 06:42:25,161 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 06:42:25,161 INFO L481 AbstractCegarLoop]: Abstraction has 1646 states and 2095 transitions. [2020-10-27 06:42:25,161 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-27 06:42:25,161 INFO L276 IsEmpty]: Start isEmpty. Operand 1646 states and 2095 transitions. [2020-10-27 06:42:25,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2020-10-27 06:42:25,163 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 06:42:25,163 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-27 06:42:25,164 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-27 06:42:25,164 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 06:42:25,165 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 06:42:25,165 INFO L82 PathProgramCache]: Analyzing trace with hash 1091955607, now seen corresponding path program 1 times [2020-10-27 06:42:25,165 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 06:42:25,165 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [612200241] [2020-10-27 06:42:25,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 06:42:25,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:42:25,191 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:42:25,227 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:42:25,249 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:42:25,275 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:42:25,404 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:42:26,092 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:42:26,115 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:42:26,230 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:42:26,297 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:42:26,397 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:42:30,186 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:42:30,186 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 150 [2020-10-27 06:42:30,186 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 10 [2020-10-27 06:42:30,187 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-27 06:42:30,187 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:42:30,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 06:42:30,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 06:42:30,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 36 [2020-10-27 06:42:30,187 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:42:30,277 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 06:42:30,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:42:30,284 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:42:30,293 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:42:30,293 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 06:42:30,293 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:42:30,294 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-27 06:42:30,294 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:42:30,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:42:30,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:42:30,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 06:42:30,294 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:42:30,311 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 06:42:30,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:42:30,313 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:42:30,315 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:42:30,316 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 06:42:30,316 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:42:30,316 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:42:30,316 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:42:30,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:42:30,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:42:30,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 06:42:30,317 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:42:30,318 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 06:42:30,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:42:30,320 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:42:30,321 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:42:30,321 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 06:42:30,321 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:42:30,321 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:42:30,321 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:42:30,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:42:30,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:42:30,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 06:42:30,322 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:42:30,335 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-27 06:42:30,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:42:30,337 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:42:30,340 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:42:30,340 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 06:42:30,340 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:42:30,341 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 06:42:30,341 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:42:30,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:42:30,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:42:30,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 06:42:30,341 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:42:30,359 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-27 06:42:30,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:42:30,363 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:42:30,369 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:42:30,370 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-27 06:42:30,370 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:42:30,370 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 06:42:30,370 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:42:30,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 06:42:30,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 06:42:30,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-27 06:42:30,371 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:42:30,393 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-27 06:42:30,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:42:30,398 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:42:30,403 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:42:30,403 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-27 06:42:30,403 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:42:30,404 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 06:42:30,404 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:42:30,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:42:30,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 38 [2020-10-27 06:42:30,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:42:30,404 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:42:30,409 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 06:42:30,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:42:30,410 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:42:30,411 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:42:30,411 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:42:30,411 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:42:30,412 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:42:30,412 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:42:30,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:42:30,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:42:30,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:42:30,412 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:42:30,413 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 06:42:30,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:42:30,414 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:42:30,415 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:42:30,416 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:42:30,416 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:42:30,416 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:42:30,416 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:42:30,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:42:30,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:42:30,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:42:30,417 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:42:30,418 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-27 06:42:30,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:42:30,419 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:42:30,421 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:42:30,421 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:42:30,421 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:42:30,421 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:42:30,422 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:42:30,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:42:30,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:42:30,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:42:30,423 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 06:42:30,426 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-27 06:42:30,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:42:30,429 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:42:30,431 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:42:30,431 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-27 06:42:30,432 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:42:30,432 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 06:42:30,432 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:42:30,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:42:30,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-10-27 06:42:30,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:42:30,433 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 06:42:30,435 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-27 06:42:30,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:42:30,438 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:42:30,439 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:42:30,440 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 06:42:30,440 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:42:30,440 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:42:30,440 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:42:30,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:42:30,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 06:42:30,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:42:30,441 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 06:42:30,466 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-27 06:42:30,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:42:30,469 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:42:30,471 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:42:30,471 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 06:42:30,471 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:42:30,472 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:42:30,472 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:42:30,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:42:30,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 06:42:30,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:42:30,473 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 06:42:30,475 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-27 06:42:30,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:42:30,477 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:42:30,478 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:42:30,479 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 06:42:30,479 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:42:30,479 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:42:30,480 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:42:30,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:42:30,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 06:42:30,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:42:30,481 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 06:42:30,505 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2020-10-27 06:42:30,506 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [612200241] [2020-10-27 06:42:30,506 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 06:42:30,506 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-27 06:42:30,506 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [907181907] [2020-10-27 06:42:30,507 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-27 06:42:30,507 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 06:42:30,507 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-27 06:42:30,508 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2020-10-27 06:42:30,508 INFO L87 Difference]: Start difference. First operand 1646 states and 2095 transitions. Second operand 10 states. [2020-10-27 06:42:30,656 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2020-10-27 06:42:32,942 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 06:42:32,943 INFO L93 Difference]: Finished difference Result 3846 states and 5104 transitions. [2020-10-27 06:42:32,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-27 06:42:32,944 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 110 [2020-10-27 06:42:32,944 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 06:42:32,961 INFO L225 Difference]: With dead ends: 3846 [2020-10-27 06:42:32,962 INFO L226 Difference]: Without dead ends: 2220 [2020-10-27 06:42:32,968 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=83, Invalid=189, Unknown=0, NotChecked=0, Total=272 [2020-10-27 06:42:32,971 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2220 states. [2020-10-27 06:42:33,168 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2220 to 1646. [2020-10-27 06:42:33,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1646 states. [2020-10-27 06:42:33,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1646 states to 1646 states and 2067 transitions. [2020-10-27 06:42:33,178 INFO L78 Accepts]: Start accepts. Automaton has 1646 states and 2067 transitions. Word has length 110 [2020-10-27 06:42:33,180 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 06:42:33,180 INFO L481 AbstractCegarLoop]: Abstraction has 1646 states and 2067 transitions. [2020-10-27 06:42:33,180 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-27 06:42:33,180 INFO L276 IsEmpty]: Start isEmpty. Operand 1646 states and 2067 transitions. [2020-10-27 06:42:33,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2020-10-27 06:42:33,183 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 06:42:33,184 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-27 06:42:33,184 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-27 06:42:33,184 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 06:42:33,184 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 06:42:33,184 INFO L82 PathProgramCache]: Analyzing trace with hash -1219707561, now seen corresponding path program 1 times [2020-10-27 06:42:33,185 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 06:42:33,185 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [403173591] [2020-10-27 06:42:33,185 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 06:42:33,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:42:33,209 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:42:33,240 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:42:33,258 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:42:33,275 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:42:33,374 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:42:33,836 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:42:33,855 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:42:33,942 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:42:33,966 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:42:36,813 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:42:36,862 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:42:38,206 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:42:38,206 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 150 [2020-10-27 06:42:38,206 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 11 [2020-10-27 06:42:38,206 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-27 06:42:38,206 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:42:38,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 06:42:38,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 06:42:38,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 37 [2020-10-27 06:42:38,207 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:42:38,298 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 06:42:38,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:42:38,305 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:42:38,313 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:42:38,313 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 06:42:38,314 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:42:38,314 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 06:42:38,314 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:42:38,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:42:38,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:42:38,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 06:42:38,315 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:42:38,336 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 06:42:38,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:42:38,338 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:42:38,340 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:42:38,340 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 06:42:38,340 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:42:38,341 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:42:38,341 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:42:38,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:42:38,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:42:38,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 06:42:38,341 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:42:38,344 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 06:42:38,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:42:38,348 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:42:38,349 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:42:38,349 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 06:42:38,349 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:42:38,349 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:42:38,350 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:42:38,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:42:38,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:42:38,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 06:42:38,350 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:42:38,365 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-27 06:42:38,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:42:38,368 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:42:38,371 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:42:38,371 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 06:42:38,372 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:42:38,372 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 06:42:38,372 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:42:38,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:42:38,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:42:38,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 06:42:38,373 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:42:38,392 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-27 06:42:38,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:42:38,400 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:42:38,408 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:42:38,408 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-27 06:42:38,408 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:42:38,409 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 06:42:38,409 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:42:38,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 06:42:38,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 06:42:38,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-27 06:42:38,409 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:42:38,432 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-27 06:42:38,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:42:38,438 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:42:38,443 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:42:38,443 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-27 06:42:38,443 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:42:38,443 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 06:42:38,443 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:42:38,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:42:38,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 38 [2020-10-27 06:42:38,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:42:38,444 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:42:38,450 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 06:42:38,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:42:38,452 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:42:38,453 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:42:38,453 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:42:38,454 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:42:38,454 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:42:38,454 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:42:38,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:42:38,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:42:38,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:42:38,454 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:42:38,455 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 06:42:38,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:42:38,457 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:42:38,458 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:42:38,458 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:42:38,458 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:42:38,458 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:42:38,458 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:42:38,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:42:38,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:42:38,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:42:38,459 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:42:38,461 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-27 06:42:38,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:42:38,463 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:42:38,464 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:42:38,464 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:42:38,464 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:42:38,465 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:42:38,465 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:42:38,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:42:38,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:42:38,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:42:38,465 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:42:38,467 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-27 06:42:38,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:42:38,470 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:42:38,471 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:42:38,472 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-27 06:42:38,472 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:42:38,472 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:42:38,472 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:42:38,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:42:38,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-10-27 06:42:38,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:42:38,473 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:42:38,474 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-27 06:42:38,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:42:38,478 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:42:38,480 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:42:38,480 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 06:42:38,480 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:42:38,480 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:42:38,480 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:42:38,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:42:38,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 06:42:38,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:42:38,481 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:42:38,497 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-27 06:42:38,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:42:38,500 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:42:38,501 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:42:38,501 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 06:42:38,502 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:42:38,502 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:42:38,502 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:42:38,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:42:38,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 06:42:38,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:42:38,503 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:42:38,504 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-27 06:42:38,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:42:38,506 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:42:38,507 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:42:38,507 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 06:42:38,507 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:42:38,507 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:42:38,507 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:42:38,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:42:38,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 06:42:38,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:42:38,508 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:42:38,527 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2020-10-27 06:42:38,528 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [403173591] [2020-10-27 06:42:38,528 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 06:42:38,528 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-27 06:42:38,528 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1885727133] [2020-10-27 06:42:38,529 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-27 06:42:38,529 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 06:42:38,529 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-27 06:42:38,530 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2020-10-27 06:42:38,530 INFO L87 Difference]: Start difference. First operand 1646 states and 2067 transitions. Second operand 10 states. [2020-10-27 06:42:40,811 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 06:42:40,811 INFO L93 Difference]: Finished difference Result 4100 states and 5571 transitions. [2020-10-27 06:42:40,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-10-27 06:42:40,812 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 110 [2020-10-27 06:42:40,812 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 06:42:40,828 INFO L225 Difference]: With dead ends: 4100 [2020-10-27 06:42:40,829 INFO L226 Difference]: Without dead ends: 2474 [2020-10-27 06:42:40,838 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=132, Invalid=330, Unknown=0, NotChecked=0, Total=462 [2020-10-27 06:42:40,841 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2474 states. [2020-10-27 06:42:41,053 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2474 to 1872. [2020-10-27 06:42:41,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1872 states. [2020-10-27 06:42:41,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1872 states to 1872 states and 2256 transitions. [2020-10-27 06:42:41,060 INFO L78 Accepts]: Start accepts. Automaton has 1872 states and 2256 transitions. Word has length 110 [2020-10-27 06:42:41,061 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 06:42:41,061 INFO L481 AbstractCegarLoop]: Abstraction has 1872 states and 2256 transitions. [2020-10-27 06:42:41,061 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-27 06:42:41,061 INFO L276 IsEmpty]: Start isEmpty. Operand 1872 states and 2256 transitions. [2020-10-27 06:42:41,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2020-10-27 06:42:41,062 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 06:42:41,063 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-27 06:42:41,063 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-27 06:42:41,063 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 06:42:41,064 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 06:42:41,064 INFO L82 PathProgramCache]: Analyzing trace with hash 656775257, now seen corresponding path program 1 times [2020-10-27 06:42:41,064 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 06:42:41,064 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [621673208] [2020-10-27 06:42:41,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 06:42:41,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:42:41,087 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:42:41,106 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:42:41,140 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:42:41,199 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:42:41,232 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:42:41,256 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:42:41,357 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:42:41,402 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:42:41,446 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:42:41,943 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:42:41,943 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 150 [2020-10-27 06:42:41,943 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-10-27 06:42:41,943 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 864 [2020-10-27 06:42:41,943 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:42:41,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 06:42:41,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 30 [2020-10-27 06:42:41,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 82 [2020-10-27 06:42:41,944 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:42:42,038 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 06:42:42,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:42:42,043 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:42:42,047 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:42:42,047 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 06:42:42,047 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:42:42,047 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 06:42:42,048 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:42:42,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:42:42,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:42:42,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:42:42,048 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:42:42,064 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 06:42:42,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:42:42,066 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:42:42,067 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:42:42,067 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 06:42:42,067 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:42:42,068 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:42:42,068 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:42:42,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:42:42,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:42:42,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:42:42,068 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:42:42,069 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 06:42:42,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:42:42,070 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:42:42,070 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:42:42,071 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 06:42:42,071 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:42:42,071 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 06:42:42,071 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:42:42,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:42:42,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:42:42,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:42:42,071 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:42:42,083 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-27 06:42:42,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:42:42,086 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:42:42,089 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:42:42,089 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 06:42:42,089 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:42:42,089 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:42:42,089 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:42:42,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:42:42,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:42:42,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 06:42:42,090 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:42:42,112 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-27 06:42:42,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:42:42,116 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:42:42,118 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:42:42,118 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-27 06:42:42,118 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:42:42,118 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 06:42:42,118 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:42:42,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:42:42,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:42:42,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-27 06:42:42,119 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:42:42,121 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-27 06:42:42,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:42:42,127 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:42:42,139 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:42:42,140 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-27 06:42:42,140 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:42:42,140 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-27 06:42:42,140 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:42:42,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 06:42:42,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 06:42:42,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 41 [2020-10-27 06:42:42,141 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:42:42,163 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 06:42:42,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:42:42,165 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:42:42,167 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:42:42,167 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:42:42,167 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:42:42,167 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:42:42,167 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:42:42,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:42:42,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:42:42,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 06:42:42,168 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:42:42,169 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 06:42:42,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:42:42,171 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:42:42,173 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:42:42,173 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:42:42,173 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:42:42,174 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:42:42,174 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:42:42,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:42:42,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:42:42,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 06:42:42,175 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:42:42,176 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-27 06:42:42,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:42:42,179 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:42:42,181 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:42:42,181 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:42:42,182 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:42:42,182 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 06:42:42,182 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:42:42,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:42:42,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:42:42,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 06:42:42,183 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:42:42,186 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-27 06:42:42,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:42:42,190 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:42:42,193 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:42:42,193 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-27 06:42:42,194 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:42:42,194 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 06:42:42,194 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:42:42,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:42:42,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:42:42,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-27 06:42:42,194 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:42:42,199 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-27 06:42:42,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:42:42,201 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:42:42,202 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:42:42,203 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:42:42,204 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 06:42:42,204 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 06:42:42,204 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 06:42:42,204 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:42:42,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:42:42,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:42:42,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-27 06:42:42,205 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:42:42,229 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-27 06:42:42,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:42:42,232 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:42:42,233 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:42:42,233 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 06:42:42,233 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:42:42,234 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:42:42,234 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:42:42,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:42:42,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 06:42:42,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:42:42,234 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:42:42,235 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-27 06:42:42,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:42:42,237 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:42:42,238 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:42:42,238 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 06:42:42,239 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:42:42,239 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:42:42,239 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:42:42,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:42:42,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 06:42:42,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:42:42,239 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:42:42,260 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-10-27 06:42:42,260 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [621673208] [2020-10-27 06:42:42,260 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 06:42:42,260 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-10-27 06:42:42,261 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [947076999] [2020-10-27 06:42:42,261 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-27 06:42:42,261 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 06:42:42,262 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-27 06:42:42,262 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-10-27 06:42:42,262 INFO L87 Difference]: Start difference. First operand 1872 states and 2256 transitions. Second operand 9 states. [2020-10-27 06:42:46,520 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 06:42:46,520 INFO L93 Difference]: Finished difference Result 6481 states and 8967 transitions. [2020-10-27 06:42:46,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2020-10-27 06:42:46,520 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 110 [2020-10-27 06:42:46,521 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 06:42:46,554 INFO L225 Difference]: With dead ends: 6481 [2020-10-27 06:42:46,554 INFO L226 Difference]: Without dead ends: 4631 [2020-10-27 06:42:46,567 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 29 SyntacticMatches, 1 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 177 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=214, Invalid=542, Unknown=0, NotChecked=0, Total=756 [2020-10-27 06:42:46,573 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4631 states. [2020-10-27 06:42:47,044 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4631 to 3404. [2020-10-27 06:42:47,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3404 states. [2020-10-27 06:42:47,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3404 states to 3404 states and 4235 transitions. [2020-10-27 06:42:47,059 INFO L78 Accepts]: Start accepts. Automaton has 3404 states and 4235 transitions. Word has length 110 [2020-10-27 06:42:47,059 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 06:42:47,059 INFO L481 AbstractCegarLoop]: Abstraction has 3404 states and 4235 transitions. [2020-10-27 06:42:47,060 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-27 06:42:47,060 INFO L276 IsEmpty]: Start isEmpty. Operand 3404 states and 4235 transitions. [2020-10-27 06:42:47,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2020-10-27 06:42:47,062 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 06:42:47,062 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-27 06:42:47,063 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-27 06:42:47,063 INFO L429 AbstractCegarLoop]: === Iteration 9 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 06:42:47,063 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 06:42:47,063 INFO L82 PathProgramCache]: Analyzing trace with hash -197840245, now seen corresponding path program 1 times [2020-10-27 06:42:47,064 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 06:42:47,064 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1536987108] [2020-10-27 06:42:47,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 06:42:47,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:42:47,082 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:42:47,097 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:42:47,140 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:42:47,191 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:42:47,355 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:42:47,436 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:42:47,708 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:42:47,738 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:42:48,502 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:42:48,502 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 152 [2020-10-27 06:42:48,502 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-27 06:42:48,502 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1425 [2020-10-27 06:42:48,503 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:42:48,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:42:48,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-27 06:42:48,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-27 06:42:48,503 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:42:48,588 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 06:42:48,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:42:48,592 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:42:48,594 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:42:48,595 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 06:42:48,595 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:42:48,595 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 06:42:48,595 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:42:48,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:42:48,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:42:48,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:42:48,595 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:42:48,608 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 06:42:48,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:42:48,611 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:42:48,612 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:42:48,612 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 06:42:48,612 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:42:48,612 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:42:48,612 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:42:48,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:42:48,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:42:48,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 06:42:48,613 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:42:48,614 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 06:42:48,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:42:48,615 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:42:48,616 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:42:48,616 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 06:42:48,616 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:42:48,616 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 06:42:48,616 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:42:48,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:42:48,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:42:48,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 06:42:48,617 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:42:48,629 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-27 06:42:48,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:42:48,632 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:42:48,634 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:42:48,634 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 06:42:48,635 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:42:48,635 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:42:48,635 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:42:48,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:42:48,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 06:42:48,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 06:42:48,635 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:42:48,665 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-27 06:42:48,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:42:48,668 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:42:48,670 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:42:48,670 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-27 06:42:48,670 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:42:48,670 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:42:48,670 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:42:48,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:42:48,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-10-27 06:42:48,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:42:48,671 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:42:48,672 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-27 06:42:48,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:42:48,676 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:42:48,680 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:42:48,680 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-27 06:42:48,680 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:42:48,681 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 06:42:48,681 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:42:48,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:42:48,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 38 [2020-10-27 06:42:48,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:42:48,681 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:42:48,685 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 06:42:48,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:42:48,687 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:42:48,688 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:42:48,688 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:42:48,688 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:42:48,688 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:42:48,689 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:42:48,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:42:48,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:42:48,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:42:48,689 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:42:48,690 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 06:42:48,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:42:48,691 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:42:48,692 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:42:48,693 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:42:48,693 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:42:48,693 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:42:48,693 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:42:48,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:42:48,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:42:48,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:42:48,694 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:42:48,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-27 06:42:48,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:42:48,696 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:42:48,697 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:42:48,697 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:42:48,697 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:42:48,697 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:42:48,697 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:42:48,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:42:48,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:42:48,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:42:48,698 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:42:48,700 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-27 06:42:48,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:42:48,702 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:42:48,703 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:42:48,704 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-27 06:42:48,704 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:42:48,704 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:42:48,704 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:42:48,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:42:48,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-10-27 06:42:48,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:42:48,705 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:42:48,706 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-27 06:42:48,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:42:48,708 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:42:48,709 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:42:48,709 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 06:42:48,709 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:42:48,709 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:42:48,709 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:42:48,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:42:48,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 06:42:48,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:42:48,710 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:42:48,723 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-10-27 06:42:48,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:42:48,725 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:42:48,726 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:42:48,726 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 06:42:48,726 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:42:48,726 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:42:48,726 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:42:48,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:42:48,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 06:42:48,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:42:48,727 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:42:48,728 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2020-10-27 06:42:48,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:42:48,729 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:42:48,730 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:42:48,731 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 06:42:48,731 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:42:48,731 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:42:48,731 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:42:48,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:42:48,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 06:42:48,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:42:48,732 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:42:48,749 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2020-10-27 06:42:48,749 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1536987108] [2020-10-27 06:42:48,750 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 06:42:48,750 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-27 06:42:48,750 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1379564613] [2020-10-27 06:42:48,750 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-27 06:42:48,751 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 06:42:48,751 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-27 06:42:48,751 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2020-10-27 06:42:48,751 INFO L87 Difference]: Start difference. First operand 3404 states and 4235 transitions. Second operand 9 states. [2020-10-27 06:42:51,138 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 06:42:51,138 INFO L93 Difference]: Finished difference Result 6833 states and 8821 transitions. [2020-10-27 06:42:51,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-27 06:42:51,139 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 112 [2020-10-27 06:42:51,139 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 06:42:51,161 INFO L225 Difference]: With dead ends: 6833 [2020-10-27 06:42:51,161 INFO L226 Difference]: Without dead ends: 3451 [2020-10-27 06:42:51,173 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=80, Invalid=192, Unknown=0, NotChecked=0, Total=272 [2020-10-27 06:42:51,178 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3451 states. [2020-10-27 06:42:51,480 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3451 to 2745. [2020-10-27 06:42:51,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2745 states. [2020-10-27 06:42:51,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2745 states to 2745 states and 3420 transitions. [2020-10-27 06:42:51,490 INFO L78 Accepts]: Start accepts. Automaton has 2745 states and 3420 transitions. Word has length 112 [2020-10-27 06:42:51,491 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 06:42:51,491 INFO L481 AbstractCegarLoop]: Abstraction has 2745 states and 3420 transitions. [2020-10-27 06:42:51,491 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-27 06:42:51,491 INFO L276 IsEmpty]: Start isEmpty. Operand 2745 states and 3420 transitions. [2020-10-27 06:42:51,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2020-10-27 06:42:51,492 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 06:42:51,493 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-27 06:42:51,493 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-27 06:42:51,493 INFO L429 AbstractCegarLoop]: === Iteration 10 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 06:42:51,493 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 06:42:51,493 INFO L82 PathProgramCache]: Analyzing trace with hash 858890957, now seen corresponding path program 1 times [2020-10-27 06:42:51,494 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 06:42:51,494 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [823984815] [2020-10-27 06:42:51,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 06:42:51,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:42:51,520 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:42:51,573 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:42:51,603 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:42:51,780 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:42:51,781 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 152 [2020-10-27 06:42:51,781 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 06:42:51,781 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 269 [2020-10-27 06:42:51,781 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:42:51,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 06:42:51,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 31 [2020-10-27 06:42:51,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 107 [2020-10-27 06:42:51,782 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:42:51,886 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 06:42:51,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:42:51,891 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:42:51,895 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:42:51,896 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 06:42:51,896 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:42:51,896 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 06:42:51,896 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:42:51,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:42:51,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:42:51,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:42:51,896 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:42:51,910 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 06:42:51,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:42:51,912 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:42:51,913 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:42:51,914 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 06:42:51,914 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:42:51,914 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:42:51,914 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:42:51,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:42:51,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:42:51,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:42:51,914 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:42:51,915 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 06:42:51,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:42:51,916 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:42:51,917 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:42:51,917 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 06:42:51,917 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:42:51,917 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 06:42:51,917 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:42:51,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:42:51,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:42:51,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:42:51,917 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:42:51,930 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-27 06:42:51,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:42:51,933 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:42:51,936 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:42:51,936 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 06:42:51,936 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:42:51,936 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 06:42:51,936 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:42:51,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:42:51,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:42:51,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-27 06:42:51,937 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:42:51,969 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-27 06:42:51,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:42:51,974 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:42:51,978 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:42:51,978 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-27 06:42:51,978 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:42:51,978 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 06:42:51,978 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:42:51,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:42:51,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:42:51,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-27 06:42:51,979 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:42:51,981 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-27 06:42:51,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:42:51,986 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:42:52,000 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:42:52,000 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-27 06:42:52,000 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:42:52,001 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-27 06:42:52,001 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:42:52,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 06:42:52,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 06:42:52,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 41 [2020-10-27 06:42:52,001 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:42:52,015 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 06:42:52,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:42:52,017 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:42:52,019 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:42:52,019 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:42:52,019 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:42:52,019 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:42:52,019 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:42:52,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:42:52,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:42:52,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 06:42:52,020 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:42:52,021 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 06:42:52,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:42:52,023 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:42:52,025 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:42:52,025 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:42:52,025 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:42:52,025 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:42:52,025 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:42:52,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:42:52,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:42:52,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 06:42:52,026 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:42:52,028 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-27 06:42:52,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:42:52,041 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:42:52,043 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:42:52,043 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:42:52,043 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:42:52,044 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 06:42:52,044 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:42:52,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:42:52,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:42:52,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 06:42:52,044 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:42:52,052 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-27 06:42:52,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:42:52,056 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:42:52,059 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:42:52,060 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-27 06:42:52,060 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:42:52,060 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 06:42:52,060 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:42:52,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:42:52,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:42:52,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-27 06:42:52,062 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 06:42:52,063 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-27 06:42:52,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:42:52,067 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:42:52,070 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:42:52,070 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 06:42:52,070 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:42:52,070 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 06:42:52,070 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:42:52,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:42:52,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:42:52,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 06:42:52,073 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-27 06:42:52,089 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-10-27 06:42:52,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:42:52,091 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:42:52,094 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:42:52,094 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 06:42:52,094 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:42:52,094 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 06:42:52,095 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:42:52,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:42:52,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:42:52,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 06:42:52,095 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:42:52,096 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2020-10-27 06:42:52,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:42:52,099 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:42:52,101 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:42:52,101 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 06:42:52,101 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:42:52,102 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:42:52,102 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:42:52,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:42:52,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:42:52,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 06:42:52,102 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:42:52,125 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-10-27 06:42:52,125 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [823984815] [2020-10-27 06:42:52,125 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 06:42:52,125 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-27 06:42:52,129 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [43947166] [2020-10-27 06:42:52,130 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-27 06:42:52,130 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 06:42:52,130 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-27 06:42:52,130 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-10-27 06:42:52,131 INFO L87 Difference]: Start difference. First operand 2745 states and 3420 transitions. Second operand 9 states. [2020-10-27 06:42:57,347 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 06:42:57,347 INFO L93 Difference]: Finished difference Result 9632 states and 14471 transitions. [2020-10-27 06:42:57,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2020-10-27 06:42:57,347 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 112 [2020-10-27 06:42:57,348 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 06:42:57,397 INFO L225 Difference]: With dead ends: 9632 [2020-10-27 06:42:57,397 INFO L226 Difference]: Without dead ends: 6909 [2020-10-27 06:42:57,416 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 29 SyntacticMatches, 2 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 178 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=214, Invalid=542, Unknown=0, NotChecked=0, Total=756 [2020-10-27 06:42:57,425 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6909 states. [2020-10-27 06:42:58,169 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6909 to 5215. [2020-10-27 06:42:58,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5215 states. [2020-10-27 06:42:58,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5215 states to 5215 states and 6982 transitions. [2020-10-27 06:42:58,193 INFO L78 Accepts]: Start accepts. Automaton has 5215 states and 6982 transitions. Word has length 112 [2020-10-27 06:42:58,194 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 06:42:58,194 INFO L481 AbstractCegarLoop]: Abstraction has 5215 states and 6982 transitions. [2020-10-27 06:42:58,194 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-27 06:42:58,194 INFO L276 IsEmpty]: Start isEmpty. Operand 5215 states and 6982 transitions. [2020-10-27 06:42:58,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2020-10-27 06:42:58,196 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 06:42:58,197 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-27 06:42:58,197 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-27 06:42:58,197 INFO L429 AbstractCegarLoop]: === Iteration 11 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 06:42:58,197 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 06:42:58,198 INFO L82 PathProgramCache]: Analyzing trace with hash -2084691121, now seen corresponding path program 1 times [2020-10-27 06:42:58,198 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 06:42:58,198 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [553041820] [2020-10-27 06:42:58,199 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 06:42:58,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:42:58,216 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:42:58,254 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:42:58,319 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:42:58,320 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 152 [2020-10-27 06:42:58,320 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 06:42:58,320 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 108 [2020-10-27 06:42:58,320 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:42:58,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:42:58,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-27 06:42:58,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-27 06:42:58,321 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:42:58,404 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 06:42:58,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:42:58,408 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:42:58,417 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:42:58,417 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 06:42:58,417 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:42:58,417 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 06:42:58,417 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:42:58,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:42:58,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:42:58,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:42:58,418 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:42:58,432 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 06:42:58,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:42:58,435 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:42:58,436 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:42:58,437 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 06:42:58,437 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:42:58,437 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:42:58,437 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:42:58,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:42:58,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:42:58,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 06:42:58,438 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:42:58,439 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 06:42:58,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:42:58,441 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:42:58,442 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:42:58,442 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 06:42:58,442 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:42:58,442 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:42:58,442 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:42:58,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:42:58,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:42:58,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 06:42:58,443 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:42:58,456 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-27 06:42:58,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:42:58,458 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:42:58,461 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:42:58,461 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 06:42:58,461 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:42:58,461 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 06:42:58,462 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:42:58,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:42:58,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-27 06:42:58,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 06:42:58,462 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:42:58,491 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-27 06:42:58,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:42:58,493 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:42:58,495 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:42:58,495 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-27 06:42:58,495 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:42:58,495 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:42:58,495 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:42:58,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:42:58,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-10-27 06:42:58,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:42:58,496 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:42:58,497 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-27 06:42:58,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:42:58,502 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:42:58,506 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:42:58,506 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-27 06:42:58,506 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:42:58,506 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 06:42:58,506 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:42:58,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:42:58,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 38 [2020-10-27 06:42:58,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:42:58,507 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:42:58,509 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 06:42:58,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:42:58,511 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:42:58,514 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:42:58,514 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:42:58,514 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:42:58,514 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 06:42:58,515 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:42:58,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:42:58,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:42:58,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:42:58,515 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:42:58,516 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 06:42:58,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:42:58,517 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:42:58,518 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:42:58,518 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:42:58,519 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:42:58,519 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:42:58,519 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:42:58,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:42:58,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:42:58,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:42:58,520 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:42:58,522 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-27 06:42:58,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:42:58,524 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:42:58,525 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:42:58,525 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:42:58,525 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:42:58,525 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:42:58,526 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:42:58,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:42:58,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:42:58,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:42:58,526 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:42:58,528 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-27 06:42:58,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:42:58,530 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:42:58,532 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:42:58,532 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-27 06:42:58,532 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:42:58,533 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:42:58,533 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:42:58,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:42:58,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-10-27 06:42:58,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:42:58,533 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:42:58,535 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-27 06:42:58,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:42:58,536 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:42:58,537 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:42:58,537 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 06:42:58,537 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:42:58,538 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:42:58,538 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:42:58,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:42:58,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 06:42:58,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:42:58,538 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:42:58,553 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-10-27 06:42:58,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:42:58,555 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:42:58,557 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:42:58,558 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 06:42:58,558 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:42:58,558 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:42:58,558 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:42:58,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:42:58,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 06:42:58,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:42:58,559 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:42:58,560 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2020-10-27 06:42:58,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:42:58,561 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:42:58,562 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:42:58,562 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 06:42:58,563 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:42:58,563 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:42:58,563 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:42:58,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:42:58,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 06:42:58,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:42:58,564 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:42:58,580 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2020-10-27 06:42:58,580 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [553041820] [2020-10-27 06:42:58,580 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 06:42:58,581 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-27 06:42:58,581 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1220546316] [2020-10-27 06:42:58,581 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-27 06:42:58,581 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 06:42:58,582 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-27 06:42:58,582 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2020-10-27 06:42:58,582 INFO L87 Difference]: Start difference. First operand 5215 states and 6982 transitions. Second operand 9 states. [2020-10-27 06:43:00,931 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 06:43:00,931 INFO L93 Difference]: Finished difference Result 11546 states and 15992 transitions. [2020-10-27 06:43:00,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-27 06:43:00,932 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 112 [2020-10-27 06:43:00,932 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 06:43:00,965 INFO L225 Difference]: With dead ends: 11546 [2020-10-27 06:43:00,965 INFO L226 Difference]: Without dead ends: 6353 [2020-10-27 06:43:00,988 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=80, Invalid=192, Unknown=0, NotChecked=0, Total=272 [2020-10-27 06:43:00,997 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6353 states. [2020-10-27 06:43:01,688 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6353 to 5209. [2020-10-27 06:43:01,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5209 states. [2020-10-27 06:43:01,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5209 states to 5209 states and 6971 transitions. [2020-10-27 06:43:01,709 INFO L78 Accepts]: Start accepts. Automaton has 5209 states and 6971 transitions. Word has length 112 [2020-10-27 06:43:01,709 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 06:43:01,709 INFO L481 AbstractCegarLoop]: Abstraction has 5209 states and 6971 transitions. [2020-10-27 06:43:01,710 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-27 06:43:01,710 INFO L276 IsEmpty]: Start isEmpty. Operand 5209 states and 6971 transitions. [2020-10-27 06:43:01,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2020-10-27 06:43:01,712 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 06:43:01,713 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-27 06:43:01,713 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-27 06:43:01,713 INFO L429 AbstractCegarLoop]: === Iteration 12 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 06:43:01,713 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 06:43:01,714 INFO L82 PathProgramCache]: Analyzing trace with hash -1909484935, now seen corresponding path program 1 times [2020-10-27 06:43:01,714 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 06:43:01,714 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [922149303] [2020-10-27 06:43:01,714 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 06:43:01,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:43:01,741 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:01,795 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:43:01,796 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 154 [2020-10-27 06:43:01,796 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:43:01,796 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 64 [2020-10-27 06:43:01,796 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:43:01,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:43:01,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 122 [2020-10-27 06:43:01,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-27 06:43:01,797 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:43:01,888 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 06:43:01,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:43:01,892 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:01,894 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:43:01,897 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 06:43:01,897 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:43:01,897 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 06:43:01,897 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:43:01,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:43:01,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:43:01,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:43:01,898 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:43:01,910 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 06:43:01,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:43:01,912 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:01,913 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:43:01,913 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 06:43:01,914 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:43:01,914 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:43:01,914 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:43:01,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:43:01,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:43:01,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:43:01,914 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:43:01,915 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 06:43:01,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:43:01,917 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:01,917 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:43:01,917 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 06:43:01,917 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:43:01,918 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 06:43:01,918 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:43:01,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:43:01,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:43:01,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:43:01,918 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:43:01,936 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-27 06:43:01,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:43:01,938 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:01,939 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:43:01,940 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 06:43:01,940 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:43:01,940 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:43:01,940 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:43:01,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:43:01,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:43:01,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:43:01,941 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:43:01,959 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-27 06:43:01,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:43:01,961 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:01,964 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:43:01,964 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-27 06:43:01,964 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:43:01,964 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 06:43:01,965 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:43:01,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:43:01,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:43:01,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:43:01,965 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:43:01,966 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-27 06:43:01,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:43:01,968 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:01,971 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:43:01,972 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-27 06:43:01,972 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:43:01,972 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 06:43:01,972 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:43:01,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:43:01,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:43:01,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:43:01,973 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:43:01,975 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 06:43:01,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:43:01,976 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:01,977 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:43:01,978 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:43:01,978 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:43:01,978 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:43:01,978 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:43:01,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:43:01,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:43:01,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:43:01,979 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:43:01,980 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 06:43:01,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:43:01,981 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:01,982 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:43:01,982 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:43:01,982 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:43:01,982 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:43:01,982 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:43:01,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:43:01,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:43:01,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:43:01,983 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:43:01,984 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-27 06:43:01,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:43:01,985 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:01,986 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:43:01,986 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:43:01,986 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:43:01,986 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:43:01,986 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:43:01,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:43:01,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:43:01,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:43:01,987 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:43:01,988 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-27 06:43:01,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:43:01,990 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:01,992 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:43:01,992 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-27 06:43:01,992 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:43:01,992 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:43:01,992 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:43:01,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:43:01,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:43:01,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:43:01,993 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:43:01,994 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-27 06:43:01,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:43:01,995 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:01,997 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:43:01,997 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 06:43:01,997 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:43:01,997 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:43:01,997 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:43:01,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:43:01,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:43:01,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:43:01,998 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:43:02,017 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-27 06:43:02,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:43:02,019 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:02,022 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:43:02,022 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 06:43:02,022 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:43:02,022 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 06:43:02,022 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:43:02,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:43:02,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:43:02,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 06:43:02,023 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:43:02,025 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-10-27 06:43:02,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:43:02,026 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:02,029 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:43:02,029 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 06:43:02,029 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:43:02,029 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:43:02,029 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:43:02,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:43:02,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:43:02,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 06:43:02,030 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:43:02,044 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-10-27 06:43:02,045 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [922149303] [2020-10-27 06:43:02,045 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 06:43:02,045 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-27 06:43:02,045 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1795948714] [2020-10-27 06:43:02,046 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-27 06:43:02,046 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 06:43:02,046 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-27 06:43:02,046 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-27 06:43:02,046 INFO L87 Difference]: Start difference. First operand 5209 states and 6971 transitions. Second operand 8 states. [2020-10-27 06:43:05,989 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 06:43:05,989 INFO L93 Difference]: Finished difference Result 17093 states and 24583 transitions. [2020-10-27 06:43:05,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-27 06:43:05,990 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 114 [2020-10-27 06:43:05,990 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 06:43:06,038 INFO L225 Difference]: With dead ends: 17093 [2020-10-27 06:43:06,038 INFO L226 Difference]: Without dead ends: 9259 [2020-10-27 06:43:06,076 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=106, Invalid=236, Unknown=0, NotChecked=0, Total=342 [2020-10-27 06:43:06,087 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9259 states. [2020-10-27 06:43:07,108 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9259 to 8314. [2020-10-27 06:43:07,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8314 states. [2020-10-27 06:43:07,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8314 states to 8314 states and 11684 transitions. [2020-10-27 06:43:07,148 INFO L78 Accepts]: Start accepts. Automaton has 8314 states and 11684 transitions. Word has length 114 [2020-10-27 06:43:07,149 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 06:43:07,149 INFO L481 AbstractCegarLoop]: Abstraction has 8314 states and 11684 transitions. [2020-10-27 06:43:07,149 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-27 06:43:07,149 INFO L276 IsEmpty]: Start isEmpty. Operand 8314 states and 11684 transitions. [2020-10-27 06:43:07,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2020-10-27 06:43:07,153 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 06:43:07,153 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 06:43:07,154 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-27 06:43:07,154 INFO L429 AbstractCegarLoop]: === Iteration 13 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 06:43:07,154 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 06:43:07,154 INFO L82 PathProgramCache]: Analyzing trace with hash -1716439577, now seen corresponding path program 1 times [2020-10-27 06:43:07,155 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 06:43:07,155 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2103263200] [2020-10-27 06:43:07,155 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 06:43:07,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:43:07,193 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:07,217 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:07,269 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:07,634 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:08,250 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:43:08,250 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 209 [2020-10-27 06:43:08,251 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 06:43:08,251 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1071 [2020-10-27 06:43:08,251 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:43:08,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-27 06:43:08,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 06:43:08,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 139 [2020-10-27 06:43:08,251 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:43:08,344 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 06:43:08,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:43:08,352 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:08,363 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:43:08,363 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 06:43:08,363 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:43:08,363 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-27 06:43:08,363 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:43:08,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:43:08,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:43:08,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 06:43:08,364 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:43:08,378 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 06:43:08,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:43:08,380 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:08,382 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:43:08,382 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 06:43:08,382 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:43:08,382 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:43:08,382 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:43:08,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:43:08,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:43:08,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 06:43:08,383 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:43:08,384 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 06:43:08,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:43:08,385 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:08,386 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:43:08,386 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 06:43:08,387 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:43:08,387 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:43:08,387 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:43:08,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:43:08,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:43:08,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 06:43:08,387 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:43:08,399 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-27 06:43:08,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:43:08,402 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:08,404 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:43:08,404 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 06:43:08,404 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:43:08,405 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:43:08,405 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:43:08,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:43:08,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:43:08,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 06:43:08,405 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:43:08,425 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-27 06:43:08,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:43:08,427 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:08,429 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:43:08,429 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-27 06:43:08,429 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:43:08,429 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:43:08,430 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:43:08,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:43:08,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:43:08,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-27 06:43:08,430 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:43:08,433 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-27 06:43:08,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:43:08,437 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:08,443 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:43:08,443 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-27 06:43:08,443 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:43:08,443 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 06:43:08,444 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:43:08,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:43:08,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:43:08,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 38 [2020-10-27 06:43:08,444 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:43:08,446 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 06:43:08,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:43:08,447 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:08,448 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:43:08,448 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:43:08,448 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:43:08,448 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 06:43:08,448 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:43:08,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:43:08,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:43:08,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:43:08,449 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:43:08,450 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 06:43:08,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:43:08,450 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:08,451 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:43:08,451 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:43:08,452 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:43:08,452 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 06:43:08,452 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:43:08,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:43:08,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:43:08,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:43:08,452 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:43:08,453 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-27 06:43:08,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:43:08,454 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:08,455 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:43:08,455 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:43:08,455 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:43:08,455 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 06:43:08,455 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:43:08,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:43:08,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:43:08,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:43:08,456 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:43:08,457 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-27 06:43:08,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:43:08,459 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:08,461 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:43:08,461 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-27 06:43:08,461 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:43:08,462 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:43:08,462 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:43:08,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:43:08,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:43:08,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-27 06:43:08,462 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:43:08,464 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-27 06:43:08,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:43:08,465 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:08,466 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:43:08,466 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 06:43:08,466 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:43:08,467 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:43:08,467 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:43:08,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:43:08,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:43:08,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 06:43:08,467 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:43:08,482 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-27 06:43:08,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:43:08,485 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:08,487 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:43:08,487 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 06:43:08,487 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:43:08,487 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:43:08,487 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:43:08,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:43:08,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:43:08,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 06:43:08,488 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:43:08,489 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-10-27 06:43:08,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:43:08,490 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:08,492 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:43:08,492 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 06:43:08,492 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:43:08,492 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:43:08,492 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:43:08,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:43:08,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:43:08,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 06:43:08,492 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:43:08,515 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2020-10-27 06:43:08,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:43:08,521 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:08,527 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:08,543 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:08,558 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:43:08,558 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-10-27 06:43:08,558 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 06:43:08,558 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 37 [2020-10-27 06:43:08,558 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:43:08,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 06:43:08,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 06:43:08,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 57 [2020-10-27 06:43:08,559 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:43:08,570 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 06:43:08,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:43:08,577 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:08,585 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:43:08,585 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-10-27 06:43:08,585 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:43:08,586 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 06:43:08,586 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:43:08,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:43:08,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:43:08,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-27 06:43:08,586 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:43:08,589 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 06:43:08,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:43:08,591 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:08,595 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:43:08,595 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-27 06:43:08,595 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:43:08,595 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 06:43:08,596 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:43:08,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:43:08,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:43:08,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:43:08,596 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:43:08,599 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 06:43:08,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:43:08,600 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:08,600 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:43:08,601 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:43:08,601 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:43:08,601 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 06:43:08,601 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:43:08,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:43:08,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:43:08,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:43:08,601 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:43:08,602 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 06:43:08,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:43:08,604 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:08,604 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:43:08,605 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:43:08,605 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:43:08,605 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:43:08,605 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:43:08,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:43:08,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:43:08,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:43:08,606 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:43:08,607 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-27 06:43:08,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:43:08,608 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:08,609 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:43:08,609 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:43:08,609 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:43:08,610 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:43:08,610 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:43:08,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:43:08,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:43:08,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:43:08,610 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:43:08,640 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2020-10-27 06:43:08,641 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2103263200] [2020-10-27 06:43:08,641 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 06:43:08,641 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-27 06:43:08,641 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [536193889] [2020-10-27 06:43:08,721 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-27 06:43:08,721 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 06:43:08,726 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-27 06:43:08,727 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2020-10-27 06:43:08,727 INFO L87 Difference]: Start difference. First operand 8314 states and 11684 transitions. Second operand 10 states. [2020-10-27 06:43:13,328 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 06:43:13,328 INFO L93 Difference]: Finished difference Result 21552 states and 30696 transitions. [2020-10-27 06:43:13,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2020-10-27 06:43:13,329 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 157 [2020-10-27 06:43:13,329 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 06:43:13,393 INFO L225 Difference]: With dead ends: 21552 [2020-10-27 06:43:13,393 INFO L226 Difference]: Without dead ends: 13259 [2020-10-27 06:43:13,424 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 169 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=186, Invalid=570, Unknown=0, NotChecked=0, Total=756 [2020-10-27 06:43:13,441 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13259 states. [2020-10-27 06:43:14,701 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13259 to 10638. [2020-10-27 06:43:14,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10638 states. [2020-10-27 06:43:14,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10638 states to 10638 states and 14878 transitions. [2020-10-27 06:43:14,747 INFO L78 Accepts]: Start accepts. Automaton has 10638 states and 14878 transitions. Word has length 157 [2020-10-27 06:43:14,748 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 06:43:14,748 INFO L481 AbstractCegarLoop]: Abstraction has 10638 states and 14878 transitions. [2020-10-27 06:43:14,748 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-27 06:43:14,748 INFO L276 IsEmpty]: Start isEmpty. Operand 10638 states and 14878 transitions. [2020-10-27 06:43:14,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2020-10-27 06:43:14,753 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 06:43:14,753 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 06:43:14,754 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-27 06:43:14,754 INFO L429 AbstractCegarLoop]: === Iteration 14 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 06:43:14,754 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 06:43:14,754 INFO L82 PathProgramCache]: Analyzing trace with hash -200266643, now seen corresponding path program 1 times [2020-10-27 06:43:14,754 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 06:43:14,755 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [772184363] [2020-10-27 06:43:14,755 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 06:43:14,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:43:14,786 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:14,813 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:14,836 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:15,265 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:43:15,265 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 217 [2020-10-27 06:43:15,265 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 06:43:15,265 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 490 [2020-10-27 06:43:15,265 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:43:15,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:43:15,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 120 [2020-10-27 06:43:15,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27 [2020-10-27 06:43:15,266 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:43:15,347 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 06:43:15,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:43:15,350 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:15,356 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:43:15,356 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 06:43:15,356 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:43:15,356 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 06:43:15,357 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:43:15,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:43:15,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:43:15,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:43:15,357 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:43:15,373 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 06:43:15,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:43:15,374 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:15,375 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:43:15,375 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 06:43:15,375 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:43:15,376 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:43:15,376 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:43:15,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:43:15,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:43:15,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:43:15,376 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:43:15,377 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 06:43:15,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:43:15,378 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:15,379 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:43:15,379 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 06:43:15,379 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:43:15,379 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 06:43:15,379 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:43:15,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:43:15,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:43:15,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:43:15,380 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:43:15,392 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-27 06:43:15,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:43:15,394 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:15,395 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:43:15,395 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 06:43:15,395 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:43:15,395 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:43:15,396 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:43:15,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:43:15,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:43:15,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:43:15,396 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:43:15,419 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-27 06:43:15,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:43:15,421 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:15,422 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:43:15,422 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-27 06:43:15,423 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:43:15,423 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:43:15,423 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:43:15,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:43:15,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:43:15,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:43:15,423 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:43:15,425 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-27 06:43:15,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:43:15,427 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:15,429 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:43:15,430 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-27 06:43:15,430 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:43:15,430 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 06:43:15,430 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:43:15,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:43:15,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:43:15,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:43:15,431 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:43:15,433 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 06:43:15,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:43:15,434 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:15,435 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:43:15,435 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:43:15,435 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:43:15,435 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:43:15,436 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:43:15,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:43:15,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:43:15,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:43:15,436 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:43:15,446 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 06:43:15,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:43:15,448 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:15,449 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:43:15,449 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:43:15,449 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:43:15,450 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:43:15,450 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:43:15,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:43:15,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:43:15,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:43:15,451 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:43:15,452 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-27 06:43:15,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:43:15,453 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:15,454 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:43:15,455 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:43:15,455 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:43:15,455 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:43:15,455 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:43:15,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:43:15,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:43:15,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:43:15,456 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:43:15,458 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-27 06:43:15,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:43:15,459 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:15,461 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:43:15,461 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-27 06:43:15,461 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:43:15,461 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:43:15,461 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:43:15,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:43:15,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:43:15,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:43:15,462 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:43:15,463 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-27 06:43:15,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:43:15,466 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:15,467 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:43:15,468 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 06:43:15,468 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:43:15,468 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 06:43:15,468 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:43:15,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:43:15,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:43:15,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:43:15,469 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:43:15,494 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-27 06:43:15,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:43:15,497 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:15,501 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:43:15,501 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 06:43:15,501 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:43:15,502 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 06:43:15,502 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:43:15,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:43:15,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:43:15,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 06:43:15,502 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:43:15,517 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2020-10-27 06:43:15,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:43:15,519 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:15,522 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:43:15,522 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 06:43:15,522 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:43:15,523 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 06:43:15,523 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:43:15,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:43:15,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:43:15,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 06:43:15,523 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:43:15,525 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-27 06:43:15,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:43:15,527 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:15,532 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:43:15,532 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 06:43:15,532 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:43:15,532 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 06:43:15,533 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:43:15,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:43:15,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:43:15,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 06:43:15,533 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:43:15,534 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2020-10-27 06:43:15,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:43:15,540 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:15,546 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:15,552 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:43:15,553 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-10-27 06:43:15,553 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 06:43:15,553 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-27 06:43:15,553 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:43:15,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:43:15,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-27 06:43:15,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 06:43:15,554 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:43:15,564 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 06:43:15,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:43:15,571 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:15,579 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:43:15,579 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-10-27 06:43:15,579 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:43:15,579 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 06:43:15,579 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:43:15,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:43:15,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-10-27 06:43:15,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-27 06:43:15,580 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:43:15,592 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 06:43:15,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:43:15,599 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:15,606 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:43:15,606 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-27 06:43:15,607 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:43:15,607 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 06:43:15,607 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:43:15,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:43:15,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:43:15,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-27 06:43:15,607 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:43:15,610 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 06:43:15,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:43:15,611 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:15,612 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:43:15,612 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:43:15,612 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:43:15,612 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 06:43:15,613 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:43:15,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:43:15,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:43:15,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:43:15,613 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:43:15,614 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 06:43:15,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:43:15,615 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:15,617 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:43:15,617 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:43:15,617 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:43:15,617 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:43:15,617 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:43:15,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:43:15,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:43:15,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-27 06:43:15,618 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:43:15,619 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-27 06:43:15,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:43:15,621 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:15,622 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:43:15,622 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:43:15,622 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:43:15,622 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:43:15,623 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:43:15,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:43:15,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:43:15,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 06:43:15,623 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:43:15,645 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2020-10-27 06:43:15,645 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [772184363] [2020-10-27 06:43:15,645 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 06:43:15,646 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-27 06:43:15,646 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [748402139] [2020-10-27 06:43:15,646 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-27 06:43:15,647 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 06:43:15,647 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-27 06:43:15,647 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2020-10-27 06:43:15,647 INFO L87 Difference]: Start difference. First operand 10638 states and 14878 transitions. Second operand 11 states. [2020-10-27 06:43:21,416 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 06:43:21,416 INFO L93 Difference]: Finished difference Result 17543 states and 25877 transitions. [2020-10-27 06:43:21,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2020-10-27 06:43:21,420 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 163 [2020-10-27 06:43:21,420 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 06:43:21,464 INFO L225 Difference]: With dead ends: 17543 [2020-10-27 06:43:21,464 INFO L226 Difference]: Without dead ends: 8871 [2020-10-27 06:43:21,500 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 218 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=213, Invalid=717, Unknown=0, NotChecked=0, Total=930 [2020-10-27 06:43:21,510 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8871 states. [2020-10-27 06:43:22,377 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8871 to 8242. [2020-10-27 06:43:22,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8242 states. [2020-10-27 06:43:22,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8242 states to 8242 states and 10766 transitions. [2020-10-27 06:43:22,402 INFO L78 Accepts]: Start accepts. Automaton has 8242 states and 10766 transitions. Word has length 163 [2020-10-27 06:43:22,402 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 06:43:22,402 INFO L481 AbstractCegarLoop]: Abstraction has 8242 states and 10766 transitions. [2020-10-27 06:43:22,402 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-27 06:43:22,402 INFO L276 IsEmpty]: Start isEmpty. Operand 8242 states and 10766 transitions. [2020-10-27 06:43:22,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2020-10-27 06:43:22,410 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 06:43:22,410 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 06:43:22,410 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-27 06:43:22,410 INFO L429 AbstractCegarLoop]: === Iteration 15 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 06:43:22,411 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 06:43:22,411 INFO L82 PathProgramCache]: Analyzing trace with hash 1750641979, now seen corresponding path program 1 times [2020-10-27 06:43:22,411 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 06:43:22,411 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [490125925] [2020-10-27 06:43:22,411 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 06:43:22,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:43:22,446 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:22,464 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:22,498 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:22,592 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:22,684 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:43:22,684 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 273 [2020-10-27 06:43:22,684 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 06:43:22,684 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 250 [2020-10-27 06:43:22,684 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:43:22,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:43:22,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 130 [2020-10-27 06:43:22,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 56 [2020-10-27 06:43:22,685 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:43:22,781 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 06:43:22,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:43:22,785 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:22,788 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:43:22,788 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 06:43:22,788 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:43:22,788 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 06:43:22,788 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:43:22,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:43:22,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:43:22,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:43:22,789 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:43:22,800 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 06:43:22,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:43:22,802 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:22,803 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:43:22,804 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 06:43:22,804 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:43:22,804 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:43:22,804 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:43:22,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:43:22,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:43:22,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:43:22,804 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:43:22,805 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 06:43:22,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:43:22,806 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:22,806 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:43:22,806 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 06:43:22,806 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:43:22,806 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 06:43:22,807 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:43:22,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:43:22,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:43:22,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:43:22,807 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:43:22,818 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-27 06:43:22,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:43:22,821 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:22,822 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:43:22,822 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 06:43:22,823 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:43:22,823 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:43:22,823 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:43:22,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:43:22,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:43:22,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:43:22,823 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:43:22,845 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-27 06:43:22,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:43:22,846 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:22,847 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:43:22,847 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-27 06:43:22,848 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:43:22,848 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:43:22,848 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:43:22,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:43:22,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:43:22,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:43:22,848 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:43:22,849 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-27 06:43:22,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:43:22,851 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:22,853 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:43:22,853 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-27 06:43:22,853 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:43:22,853 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:43:22,853 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:43:22,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:43:22,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:43:22,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:43:22,854 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:43:22,855 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 06:43:22,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:43:22,856 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:22,857 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:43:22,857 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:43:22,857 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:43:22,857 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 06:43:22,857 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:43:22,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:43:22,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:43:22,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:43:22,858 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:43:22,858 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 06:43:22,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:43:22,859 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:22,860 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:43:22,860 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:43:22,860 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:43:22,861 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:43:22,861 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:43:22,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:43:22,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:43:22,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:43:22,861 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:43:22,862 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-27 06:43:22,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:43:22,863 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:22,864 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:43:22,865 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:43:22,865 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:43:22,865 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:43:22,865 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:43:22,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:43:22,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:43:22,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:43:22,866 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:43:22,867 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-27 06:43:22,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:43:22,869 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:22,870 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:43:22,870 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-27 06:43:22,870 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:43:22,870 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:43:22,870 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:43:22,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:43:22,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:43:22,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:43:22,871 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:43:22,872 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-27 06:43:22,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:43:22,873 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:22,874 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:43:22,874 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 06:43:22,874 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:43:22,874 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:43:22,875 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:43:22,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:43:22,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:43:22,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:43:22,875 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:43:22,906 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-27 06:43:22,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:43:22,908 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:22,910 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:43:22,910 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 06:43:22,910 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:43:22,910 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:43:22,910 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:43:22,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:43:22,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:43:22,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:43:22,911 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:43:22,924 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2020-10-27 06:43:22,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:43:22,926 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:22,927 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:43:22,927 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 06:43:22,927 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:43:22,927 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:43:22,928 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:43:22,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:43:22,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:43:22,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 06:43:22,928 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:43:22,929 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-27 06:43:22,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:43:22,930 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:22,932 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:43:22,932 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 06:43:22,932 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:43:22,932 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:43:22,932 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:43:22,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:43:22,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:43:22,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 06:43:22,933 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:43:22,956 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2020-10-27 06:43:22,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:43:22,965 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:22,976 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:43:22,976 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-10-27 06:43:22,976 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:43:22,977 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-27 06:43:22,977 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:43:22,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:43:22,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 38 [2020-10-27 06:43:22,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-27 06:43:22,977 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:43:22,994 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 06:43:22,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:43:23,000 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:23,009 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:43:23,009 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-10-27 06:43:23,009 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:43:23,009 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 06:43:23,010 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:43:23,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:43:23,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:43:23,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 32 [2020-10-27 06:43:23,010 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:43:23,013 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 06:43:23,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:43:23,018 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:23,025 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:43:23,025 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-27 06:43:23,025 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:43:23,025 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 06:43:23,025 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:43:23,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:43:23,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:43:23,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-10-27 06:43:23,026 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:43:23,029 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 06:43:23,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:43:23,030 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:23,031 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:43:23,031 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:43:23,031 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:43:23,032 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:43:23,032 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:43:23,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:43:23,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:43:23,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:43:23,032 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:43:23,033 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 06:43:23,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:43:23,034 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:23,040 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:43:23,040 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:43:23,040 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:43:23,040 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 06:43:23,041 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:43:23,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:43:23,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:43:23,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:43:23,041 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:43:23,042 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-27 06:43:23,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:43:23,044 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:23,045 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:43:23,045 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:43:23,046 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:43:23,046 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:43:23,046 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:43:23,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:43:23,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:43:23,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-27 06:43:23,046 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:43:23,051 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2020-10-27 06:43:23,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:43:23,058 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:23,063 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:43:23,064 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 58 [2020-10-27 06:43:23,064 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:43:23,064 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 06:43:23,064 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:43:23,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:43:23,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 55 [2020-10-27 06:43:23,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:43:23,064 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:43:23,068 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 06:43:23,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:43:23,070 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:23,074 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:43:23,074 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 47 [2020-10-27 06:43:23,074 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:43:23,074 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 06:43:23,075 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:43:23,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:43:23,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:43:23,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:43:23,075 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:43:23,078 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 06:43:23,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:43:23,080 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:23,085 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:43:23,086 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 42 [2020-10-27 06:43:23,086 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:43:23,086 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 06:43:23,086 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:43:23,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:43:23,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:43:23,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:43:23,087 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:43:23,089 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 06:43:23,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:43:23,090 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:23,091 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:43:23,091 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:43:23,091 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:43:23,092 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 06:43:23,092 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:43:23,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:43:23,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:43:23,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:43:23,092 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:43:23,093 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 06:43:23,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:43:23,094 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:23,095 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:43:23,095 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-27 06:43:23,095 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:43:23,095 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 06:43:23,095 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:43:23,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:43:23,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:43:23,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:43:23,096 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:43:23,097 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-27 06:43:23,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:43:23,097 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:23,098 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:43:23,098 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:43:23,098 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:43:23,099 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 06:43:23,099 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:43:23,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:43:23,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:43:23,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:43:23,099 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:43:23,128 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 21 proven. 9 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2020-10-27 06:43:23,128 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [490125925] [2020-10-27 06:43:23,128 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 06:43:23,129 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-10-27 06:43:23,129 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1500387166] [2020-10-27 06:43:23,129 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-27 06:43:23,129 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 06:43:23,130 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-27 06:43:23,130 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2020-10-27 06:43:23,130 INFO L87 Difference]: Start difference. First operand 8242 states and 10766 transitions. Second operand 11 states. [2020-10-27 06:43:27,515 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 06:43:27,515 INFO L93 Difference]: Finished difference Result 13941 states and 19055 transitions. [2020-10-27 06:43:27,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-10-27 06:43:27,515 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 207 [2020-10-27 06:43:27,516 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 06:43:27,555 INFO L225 Difference]: With dead ends: 13941 [2020-10-27 06:43:27,556 INFO L226 Difference]: Without dead ends: 8867 [2020-10-27 06:43:27,576 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 153 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=180, Invalid=576, Unknown=0, NotChecked=0, Total=756 [2020-10-27 06:43:27,585 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8867 states. [2020-10-27 06:43:28,501 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8867 to 8163. [2020-10-27 06:43:28,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8163 states. [2020-10-27 06:43:28,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8163 states to 8163 states and 10429 transitions. [2020-10-27 06:43:28,527 INFO L78 Accepts]: Start accepts. Automaton has 8163 states and 10429 transitions. Word has length 207 [2020-10-27 06:43:28,527 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 06:43:28,527 INFO L481 AbstractCegarLoop]: Abstraction has 8163 states and 10429 transitions. [2020-10-27 06:43:28,528 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-27 06:43:28,528 INFO L276 IsEmpty]: Start isEmpty. Operand 8163 states and 10429 transitions. [2020-10-27 06:43:28,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2020-10-27 06:43:28,535 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 06:43:28,536 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, 2, 2, 2, 2, 2, 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] [2020-10-27 06:43:28,536 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-10-27 06:43:28,536 INFO L429 AbstractCegarLoop]: === Iteration 16 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 06:43:28,536 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 06:43:28,536 INFO L82 PathProgramCache]: Analyzing trace with hash 251615912, now seen corresponding path program 1 times [2020-10-27 06:43:28,537 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 06:43:28,537 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1307238795] [2020-10-27 06:43:28,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 06:43:28,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:43:28,571 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:28,620 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:43:28,620 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 274 [2020-10-27 06:43:28,620 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:43:28,620 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 61 [2020-10-27 06:43:28,620 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:43:28,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:43:28,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 199 [2020-10-27 06:43:28,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-27 06:43:28,621 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:43:28,725 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 06:43:28,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:43:28,728 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:28,731 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:43:28,731 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 06:43:28,731 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:43:28,731 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 06:43:28,731 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:43:28,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:43:28,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:43:28,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:43:28,732 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:43:28,744 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 06:43:28,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:43:28,747 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:28,748 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:43:28,748 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 06:43:28,748 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:43:28,748 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:43:28,749 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:43:28,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:43:28,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:43:28,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:43:28,749 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:43:28,750 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 06:43:28,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:43:28,751 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:28,751 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:43:28,752 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 06:43:28,752 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:43:28,752 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 06:43:28,752 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:43:28,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:43:28,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:43:28,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:43:28,753 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:43:28,765 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-27 06:43:28,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:43:28,767 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:28,768 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:43:28,768 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 06:43:28,768 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:43:28,768 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:43:28,769 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:43:28,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:43:28,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:43:28,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:43:28,769 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:43:28,788 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-27 06:43:28,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:43:28,790 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:28,791 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:43:28,792 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-27 06:43:28,792 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:43:28,792 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:43:28,792 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:43:28,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:43:28,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:43:28,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:43:28,792 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:43:28,793 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-27 06:43:28,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:43:28,795 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:28,797 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:43:28,798 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-27 06:43:28,798 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:43:28,798 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:43:28,798 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:43:28,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:43:28,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:43:28,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:43:28,798 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:43:28,801 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 06:43:28,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:43:28,802 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:28,802 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:43:28,802 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:43:28,803 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:43:28,803 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 06:43:28,803 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:43:28,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:43:28,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:43:28,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:43:28,803 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:43:28,804 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 06:43:28,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:43:28,805 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:28,805 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:43:28,806 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:43:28,806 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:43:28,806 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 06:43:28,806 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:43:28,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:43:28,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:43:28,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:43:28,806 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:43:28,807 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-27 06:43:28,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:43:28,808 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:28,809 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:43:28,809 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:43:28,809 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:43:28,809 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 06:43:28,809 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:43:28,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:43:28,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:43:28,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:43:28,809 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:43:28,811 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-27 06:43:28,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:43:28,812 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:28,813 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:43:28,813 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-27 06:43:28,814 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:43:28,814 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:43:28,814 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:43:28,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:43:28,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:43:28,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:43:28,814 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:43:28,815 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-27 06:43:28,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:43:28,816 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:28,817 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:43:28,817 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 06:43:28,817 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:43:28,817 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:43:28,817 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:43:28,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:43:28,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:43:28,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:43:28,818 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:43:28,838 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-27 06:43:28,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:43:28,840 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:28,841 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:43:28,841 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 06:43:28,842 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:43:28,842 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:43:28,842 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:43:28,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:43:28,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:43:28,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:43:28,842 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:43:28,857 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2020-10-27 06:43:28,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:43:28,858 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:28,860 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:43:28,860 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 06:43:28,860 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:43:28,860 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:43:28,860 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:43:28,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:43:28,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:43:28,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:43:28,861 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:43:28,862 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-27 06:43:28,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:43:28,863 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:28,864 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:43:28,864 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 06:43:28,864 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:43:28,864 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:43:28,864 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:43:28,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:43:28,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:43:28,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:43:28,865 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:43:28,895 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2020-10-27 06:43:28,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:43:28,902 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:28,910 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:43:28,911 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 58 [2020-10-27 06:43:28,911 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:43:28,911 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 06:43:28,911 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:43:28,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:43:28,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:43:28,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 52 [2020-10-27 06:43:28,911 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:43:28,914 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 06:43:28,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:43:28,917 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:28,921 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:43:28,921 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 47 [2020-10-27 06:43:28,921 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:43:28,921 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 06:43:28,921 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:43:28,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:43:28,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:43:28,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:43:28,922 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:43:28,924 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 06:43:28,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:43:28,926 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:28,929 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:43:28,929 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 42 [2020-10-27 06:43:28,929 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:43:28,929 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 06:43:28,929 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:43:28,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:43:28,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:43:28,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:43:28,930 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:43:28,937 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 06:43:28,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:43:28,938 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:28,938 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:43:28,939 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:43:28,939 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:43:28,939 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 06:43:28,939 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:43:28,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:43:28,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:43:28,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:43:28,939 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:43:28,940 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 06:43:28,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:43:28,941 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:28,942 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:43:28,943 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:43:28,943 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:43:28,943 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:43:28,943 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:43:28,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:43:28,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:43:28,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:43:28,944 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:43:28,945 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-27 06:43:28,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:43:28,947 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:28,948 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:43:28,948 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-27 06:43:28,948 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:43:28,948 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:43:28,948 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:43:28,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:43:28,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:43:28,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:43:28,949 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:43:28,952 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2020-10-27 06:43:28,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:43:28,958 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:28,965 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:43:28,965 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 58 [2020-10-27 06:43:28,966 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:43:28,966 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 06:43:28,966 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:43:28,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:43:28,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-27 06:43:28,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 40 [2020-10-27 06:43:28,966 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:43:28,978 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 06:43:28,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:43:28,984 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:28,990 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:43:28,991 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 47 [2020-10-27 06:43:28,991 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:43:28,991 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 06:43:28,991 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:43:28,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:43:28,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:43:28,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-27 06:43:28,991 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:43:28,995 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 06:43:28,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:43:29,000 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:29,007 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:43:29,007 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 42 [2020-10-27 06:43:29,007 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:43:29,007 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 06:43:29,007 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:43:29,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:43:29,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:43:29,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 06:43:29,008 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:43:29,012 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 06:43:29,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:43:29,014 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:29,015 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:43:29,016 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:43:29,016 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:43:29,016 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:43:29,016 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:43:29,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:43:29,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:43:29,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-27 06:43:29,017 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:43:29,018 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 06:43:29,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:43:29,021 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:29,022 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:43:29,023 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-27 06:43:29,023 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:43:29,023 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:43:29,023 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:43:29,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:43:29,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:43:29,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-27 06:43:29,024 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:43:29,025 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-27 06:43:29,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:43:29,027 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:29,029 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:43:29,030 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:43:29,030 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:43:29,030 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:43:29,030 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:43:29,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:43:29,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:43:29,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 06:43:29,031 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:43:29,072 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2020-10-27 06:43:29,072 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1307238795] [2020-10-27 06:43:29,072 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 06:43:29,073 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-27 06:43:29,073 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [160429551] [2020-10-27 06:43:29,073 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-27 06:43:29,074 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 06:43:29,074 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-27 06:43:29,074 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2020-10-27 06:43:29,074 INFO L87 Difference]: Start difference. First operand 8163 states and 10429 transitions. Second operand 11 states. [2020-10-27 06:43:32,823 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 06:43:32,824 INFO L93 Difference]: Finished difference Result 13666 states and 18116 transitions. [2020-10-27 06:43:32,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-10-27 06:43:32,824 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 208 [2020-10-27 06:43:32,825 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 06:43:32,838 INFO L225 Difference]: With dead ends: 13666 [2020-10-27 06:43:32,838 INFO L226 Difference]: Without dead ends: 3303 [2020-10-27 06:43:32,855 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 125 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=158, Invalid=492, Unknown=0, NotChecked=0, Total=650 [2020-10-27 06:43:32,858 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3303 states. [2020-10-27 06:43:33,218 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3303 to 3064. [2020-10-27 06:43:33,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3064 states. [2020-10-27 06:43:33,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3064 states to 3064 states and 3610 transitions. [2020-10-27 06:43:33,226 INFO L78 Accepts]: Start accepts. Automaton has 3064 states and 3610 transitions. Word has length 208 [2020-10-27 06:43:33,227 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 06:43:33,227 INFO L481 AbstractCegarLoop]: Abstraction has 3064 states and 3610 transitions. [2020-10-27 06:43:33,227 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-27 06:43:33,227 INFO L276 IsEmpty]: Start isEmpty. Operand 3064 states and 3610 transitions. [2020-10-27 06:43:33,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2020-10-27 06:43:33,293 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 06:43:33,293 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, 2, 2, 2, 2, 2, 2, 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] [2020-10-27 06:43:33,293 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-10-27 06:43:33,294 INFO L429 AbstractCegarLoop]: === Iteration 17 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 06:43:33,294 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 06:43:33,295 INFO L82 PathProgramCache]: Analyzing trace with hash -287072908, now seen corresponding path program 1 times [2020-10-27 06:43:33,295 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 06:43:33,295 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [137933096] [2020-10-27 06:43:33,295 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 06:43:33,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-27 06:43:33,318 INFO L173 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-10-27 06:43:33,318 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-27 06:43:33,322 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-10-27 06:43:33,357 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.10 06:43:33 BoogieIcfgContainer [2020-10-27 06:43:33,358 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-27 06:43:33,359 INFO L168 Benchmark]: Toolchain (without parser) took 118483.50 ms. Allocated memory was 165.7 MB in the beginning and 1.6 GB in the end (delta: 1.4 GB). Free memory was 140.8 MB in the beginning and 1.4 GB in the end (delta: -1.3 GB). Peak memory consumption was 104.6 MB. Max. memory is 8.0 GB. [2020-10-27 06:43:33,360 INFO L168 Benchmark]: CDTParser took 0.72 ms. Allocated memory is still 125.8 MB. Free memory was 100.0 MB in the beginning and 99.9 MB in the end (delta: 74.7 kB). There was no memory consumed. Max. memory is 8.0 GB. [2020-10-27 06:43:33,360 INFO L168 Benchmark]: CACSL2BoogieTranslator took 535.46 ms. Allocated memory is still 165.7 MB. Free memory was 140.1 MB in the beginning and 126.1 MB in the end (delta: 14.0 MB). Peak memory consumption was 13.6 MB. Max. memory is 8.0 GB. [2020-10-27 06:43:33,361 INFO L168 Benchmark]: Boogie Preprocessor took 117.80 ms. Allocated memory is still 165.7 MB. Free memory was 126.1 MB in the beginning and 123.9 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2020-10-27 06:43:33,362 INFO L168 Benchmark]: RCFGBuilder took 930.29 ms. Allocated memory is still 165.7 MB. Free memory was 123.9 MB in the beginning and 122.2 MB in the end (delta: 1.7 MB). Peak memory consumption was 13.4 MB. Max. memory is 8.0 GB. [2020-10-27 06:43:33,362 INFO L168 Benchmark]: TraceAbstraction took 116884.38 ms. Allocated memory was 165.7 MB in the beginning and 1.6 GB in the end (delta: 1.4 GB). Free memory was 122.0 MB in the beginning and 1.4 GB in the end (delta: -1.3 GB). Peak memory consumption was 84.9 MB. Max. memory is 8.0 GB. [2020-10-27 06:43:33,365 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.72 ms. Allocated memory is still 125.8 MB. Free memory was 100.0 MB in the beginning and 99.9 MB in the end (delta: 74.7 kB). There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 535.46 ms. Allocated memory is still 165.7 MB. Free memory was 140.1 MB in the beginning and 126.1 MB in the end (delta: 14.0 MB). Peak memory consumption was 13.6 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 117.80 ms. Allocated memory is still 165.7 MB. Free memory was 126.1 MB in the beginning and 123.9 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 930.29 ms. Allocated memory is still 165.7 MB. Free memory was 123.9 MB in the beginning and 122.2 MB in the end (delta: 1.7 MB). Peak memory consumption was 13.4 MB. Max. memory is 8.0 GB. * TraceAbstraction took 116884.38 ms. Allocated memory was 165.7 MB in the beginning and 1.6 GB in the end (delta: 1.4 GB). Free memory was 122.0 MB in the beginning and 1.4 GB in the end (delta: -1.3 GB). Peak memory consumption was 84.9 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 3]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L17] int m_pc = 0; [L18] int t1_pc = 0; [L19] int t2_pc = 0; [L20] int m_st ; [L21] int t1_st ; [L22] int t2_st ; [L23] int m_i ; [L24] int t1_i ; [L25] int t2_i ; [L26] int M_E = 2; [L27] int T1_E = 2; [L28] int T2_E = 2; [L29] int E_1 = 2; [L30] int E_2 = 2; [L565] int __retres1 ; [L569] CALL init_model() [L479] m_i = 1 [L480] t1_i = 1 [L481] t2_i = 1 [L569] RET init_model() [L570] CALL start_simulation() [L506] int kernel_st ; [L507] int tmp ; [L508] int tmp___0 ; [L512] kernel_st = 0 [L513] FCALL update_channels() [L514] CALL init_threads() [L213] COND TRUE m_i == 1 [L214] m_st = 0 [L218] COND TRUE t1_i == 1 [L219] t1_st = 0 [L223] COND TRUE t2_i == 1 [L224] t2_st = 0 [L514] RET init_threads() [L515] CALL fire_delta_events() [L326] COND FALSE !(M_E == 0) [L331] COND FALSE !(T1_E == 0) [L336] COND FALSE !(T2_E == 0) [L341] COND FALSE !(E_1 == 0) [L346] COND FALSE !(E_2 == 0) [L515] RET fire_delta_events() [L516] CALL activate_threads() [L389] int tmp ; [L390] int tmp___0 ; [L391] int tmp___1 ; [L395] CALL, EXPR is_master_triggered() [L145] int __retres1 ; [L148] COND FALSE !(m_pc == 1) [L158] __retres1 = 0 [L160] return (__retres1); [L395] RET, EXPR is_master_triggered() [L395] tmp = is_master_triggered() [L397] COND FALSE !(\read(tmp)) [L403] CALL, EXPR is_transmit1_triggered() [L164] int __retres1 ; [L167] COND FALSE !(t1_pc == 1) [L177] __retres1 = 0 [L179] return (__retres1); [L403] RET, EXPR is_transmit1_triggered() [L403] tmp___0 = is_transmit1_triggered() [L405] COND FALSE !(\read(tmp___0)) [L411] CALL, EXPR is_transmit2_triggered() [L183] int __retres1 ; [L186] COND FALSE !(t2_pc == 1) [L196] __retres1 = 0 [L198] return (__retres1); [L411] RET, EXPR is_transmit2_triggered() [L411] tmp___1 = is_transmit2_triggered() [L413] COND FALSE !(\read(tmp___1)) [L516] RET activate_threads() [L517] CALL reset_delta_events() [L359] COND FALSE !(M_E == 1) [L364] COND FALSE !(T1_E == 1) [L369] COND FALSE !(T2_E == 1) [L374] COND FALSE !(E_1 == 1) [L379] COND FALSE !(E_2 == 1) [L517] RET reset_delta_events() [L520] COND TRUE 1 [L523] kernel_st = 1 [L524] CALL eval() [L259] int tmp ; [L263] COND TRUE 1 [L266] CALL, EXPR exists_runnable_thread() [L233] int __retres1 ; [L236] COND TRUE m_st == 0 [L237] __retres1 = 1 [L254] return (__retres1); [L266] RET, EXPR exists_runnable_thread() [L266] tmp = exists_runnable_thread() [L268] COND TRUE \read(tmp) [L273] COND TRUE m_st == 0 [L274] int tmp_ndt_1; [L275] tmp_ndt_1 = __VERIFIER_nondet_int() [L276] COND FALSE !(\read(tmp_ndt_1)) [L287] COND TRUE t1_st == 0 [L288] int tmp_ndt_2; [L289] tmp_ndt_2 = __VERIFIER_nondet_int() [L290] COND TRUE \read(tmp_ndt_2) [L292] t1_st = 1 [L293] CALL transmit1() [L80] COND TRUE t1_pc == 0 [L91] COND TRUE 1 [L93] t1_pc = 1 [L94] t1_st = 2 [L293] RET transmit1() [L301] COND TRUE t2_st == 0 [L302] int tmp_ndt_3; [L303] tmp_ndt_3 = __VERIFIER_nondet_int() [L304] COND TRUE \read(tmp_ndt_3) [L306] t2_st = 1 [L307] CALL transmit2() [L115] COND TRUE t2_pc == 0 [L126] COND TRUE 1 [L128] t2_pc = 1 [L129] t2_st = 2 [L307] RET transmit2() [L263] COND TRUE 1 [L266] CALL, EXPR exists_runnable_thread() [L233] int __retres1 ; [L236] COND TRUE m_st == 0 [L237] __retres1 = 1 [L254] return (__retres1); [L266] RET, EXPR exists_runnable_thread() [L266] tmp = exists_runnable_thread() [L268] COND TRUE \read(tmp) [L273] COND TRUE m_st == 0 [L274] int tmp_ndt_1; [L275] tmp_ndt_1 = __VERIFIER_nondet_int() [L276] COND TRUE \read(tmp_ndt_1) [L278] m_st = 1 [L279] CALL master() [L39] COND TRUE m_pc == 0 [L50] COND TRUE 1 [L53] E_1 = 1 [L54] CALL immediate_notify() [L427] CALL activate_threads() [L389] int tmp ; [L390] int tmp___0 ; [L391] int tmp___1 ; [L395] CALL, EXPR is_master_triggered() [L145] int __retres1 ; [L148] COND FALSE !(m_pc == 1) [L158] __retres1 = 0 [L160] return (__retres1); [L395] RET, EXPR is_master_triggered() [L395] tmp = is_master_triggered() [L397] COND FALSE !(\read(tmp)) [L403] CALL, EXPR is_transmit1_triggered() [L164] int __retres1 ; [L167] COND TRUE t1_pc == 1 [L168] COND TRUE E_1 == 1 [L169] __retres1 = 1 [L179] return (__retres1); [L403] RET, EXPR is_transmit1_triggered() [L403] tmp___0 = is_transmit1_triggered() [L405] COND TRUE \read(tmp___0) [L406] t1_st = 0 [L411] CALL, EXPR is_transmit2_triggered() [L183] int __retres1 ; [L186] COND TRUE t2_pc == 1 [L187] COND FALSE !(E_2 == 1) [L196] __retres1 = 0 [L198] return (__retres1); [L411] RET, EXPR is_transmit2_triggered() [L411] tmp___1 = is_transmit2_triggered() [L413] COND FALSE !(\read(tmp___1)) [L427] RET activate_threads() [L54] RET immediate_notify() [L55] E_1 = 2 [L58] COND TRUE 1 [L60] m_pc = 1 [L61] m_st = 2 [L279] RET master() [L287] COND TRUE t1_st == 0 [L288] int tmp_ndt_2; [L289] tmp_ndt_2 = __VERIFIER_nondet_int() [L290] COND TRUE \read(tmp_ndt_2) [L292] t1_st = 1 [L293] CALL transmit1() [L80] COND FALSE !(t1_pc == 0) [L83] COND TRUE t1_pc == 1 [L99] E_2 = 1 [L100] CALL immediate_notify() [L427] CALL activate_threads() [L389] int tmp ; [L390] int tmp___0 ; [L391] int tmp___1 ; [L395] CALL, EXPR is_master_triggered() [L145] int __retres1 ; [L148] COND TRUE m_pc == 1 [L149] COND FALSE !(M_E == 1) [L158] __retres1 = 0 [L160] return (__retres1); [L395] RET, EXPR is_master_triggered() [L395] tmp = is_master_triggered() [L397] COND FALSE !(\read(tmp)) [L403] CALL, EXPR is_transmit1_triggered() [L164] int __retres1 ; [L167] COND TRUE t1_pc == 1 [L168] COND FALSE !(E_1 == 1) [L177] __retres1 = 0 [L179] return (__retres1); [L403] RET, EXPR is_transmit1_triggered() [L403] tmp___0 = is_transmit1_triggered() [L405] COND FALSE !(\read(tmp___0)) [L411] CALL, EXPR is_transmit2_triggered() [L183] int __retres1 ; [L186] COND TRUE t2_pc == 1 [L187] COND TRUE E_2 == 1 [L188] __retres1 = 1 [L198] return (__retres1); [L411] RET, EXPR is_transmit2_triggered() [L411] tmp___1 = is_transmit2_triggered() [L413] COND TRUE \read(tmp___1) [L414] t2_st = 0 [L427] RET activate_threads() [L100] RET immediate_notify() [L101] E_2 = 2 [L91] COND TRUE 1 [L93] t1_pc = 1 [L94] t1_st = 2 [L293] RET transmit1() [L301] COND TRUE t2_st == 0 [L302] int tmp_ndt_3; [L303] tmp_ndt_3 = __VERIFIER_nondet_int() [L304] COND TRUE \read(tmp_ndt_3) [L306] t2_st = 1 [L307] CALL transmit2() [L115] COND FALSE !(t2_pc == 0) [L118] COND TRUE t2_pc == 1 [L134] CALL error() [L13] CALL reach_error() [L3] __assert_fail("0", "transmitter.02.cil.c", 3, "reach_error") - StatisticsResult: Ultimate Automizer benchmark data CFG has 24 procedures, 173 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 116.7s, OverallIterations: 17, TraceHistogramMax: 3, AutomataDifference: 61.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 3036 SDtfs, 15435 SDslu, 816 SDs, 0 SdLazy, 22181 SolverSat, 8129 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 35.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 933 GetRequests, 571 SyntacticMatches, 3 SemanticMatches, 359 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1917 ImplicationChecksByTransitivity, 11.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=10638occurred in iteration=13, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 8.0s AutomataMinimizationTime, 16 MinimizatonAttempts, 12437 StatesRemovedByMinimization, 16 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 45.6s InterpolantComputationTime, 2198 NumberOfCodeBlocks, 2198 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 1973 ConstructedInterpolants, 0 QuantifiedInterpolants, 694713 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 16 InterpolantComputations, 14 PerfectInterpolantSequences, 438/450 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...