/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.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 SingleStatement --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=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.2 --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/systemc/token_ring.01.cil-2.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 04:37:11,234 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 04:37:11,238 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 04:37:11,267 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 04:37:11,267 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 04:37:11,272 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 04:37:11,273 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 04:37:11,277 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 04:37:11,282 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 04:37:11,284 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 04:37:11,285 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 04:37:11,286 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 04:37:11,286 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 04:37:11,288 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 04:37:11,289 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 04:37:11,290 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 04:37:11,291 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 04:37:11,292 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 04:37:11,294 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 04:37:11,296 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 04:37:11,298 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 04:37:11,299 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 04:37:11,300 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 04:37:11,301 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 04:37:11,304 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 04:37:11,304 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 04:37:11,304 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 04:37:11,305 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 04:37:11,306 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 04:37:11,307 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 04:37:11,307 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 04:37:11,308 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 04:37:11,309 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 04:37:11,310 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 04:37:11,311 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 04:37:11,311 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 04:37:11,312 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 04:37:11,312 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 04:37:11,313 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 04:37:11,314 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 04:37:11,315 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 04:37:11,316 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 [2020-09-25 04:37:11,347 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 04:37:11,347 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 04:37:11,348 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 04:37:11,349 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 04:37:11,349 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 04:37:11,350 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 04:37:11,350 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 04:37:11,350 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 04:37:11,350 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 04:37:11,350 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 04:37:11,351 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 04:37:11,352 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 04:37:11,352 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 04:37:11,352 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 04:37:11,353 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 04:37:11,354 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 04:37:11,354 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 04:37:11,354 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 04:37:11,354 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 04:37:11,354 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 04:37:11,355 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 04:37:11,355 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 04:37:11,355 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 04:37:11,355 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 04:37:11,355 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 04:37:11,356 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 04:37:11,356 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 04:37:11,356 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 04:37:11,356 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 04:37:11,356 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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 -> SingleStatement 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=WIDESTAMONGSMALL;tolerance=0.2;log-additional-information=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=WIDESTAMONGSMALL;tolerance=0.2;log-additional-information=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=WIDESTAMONGSMALL;tolerance=0.2;log-additional-information=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=WIDESTAMONGSMALL;tolerance=0.2;log-additional-information=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=WIDESTAMONGSMALL;tolerance=0.2;log-additional-information=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=WIDESTAMONGSMALL;tolerance=0.2;log-additional-information=true; [2020-09-25 04:37:11,880 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 04:37:11,898 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 04:37:11,903 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 04:37:11,905 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 04:37:11,905 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 04:37:11,906 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/systemc/token_ring.01.cil-2.c [2020-09-25 04:37:11,997 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/4cceac3b3/ba6500e844b640eb8c23087381e5cec3/FLAGfb4d29e1b [2020-09-25 04:37:12,542 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 04:37:12,542 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/systemc/token_ring.01.cil-2.c [2020-09-25 04:37:12,553 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/4cceac3b3/ba6500e844b640eb8c23087381e5cec3/FLAGfb4d29e1b [2020-09-25 04:37:12,877 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/4cceac3b3/ba6500e844b640eb8c23087381e5cec3 [2020-09-25 04:37:12,889 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 04:37:12,895 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 04:37:12,896 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 04:37:12,896 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 04:37:12,900 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 04:37:12,902 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 04:37:12" (1/1) ... [2020-09-25 04:37:12,906 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@536a0b93 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:37:12, skipping insertion in model container [2020-09-25 04:37:12,906 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 04:37:12" (1/1) ... [2020-09-25 04:37:12,915 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 04:37:12,953 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 04:37:13,198 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 04:37:13,204 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 04:37:13,247 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 04:37:13,277 INFO L208 MainTranslator]: Completed translation [2020-09-25 04:37:13,279 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:37:13 WrapperNode [2020-09-25 04:37:13,279 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 04:37:13,280 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 04:37:13,280 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 04:37:13,280 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 04:37:13,375 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:37:13" (1/1) ... [2020-09-25 04:37:13,375 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:37:13" (1/1) ... [2020-09-25 04:37:13,391 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:37:13" (1/1) ... [2020-09-25 04:37:13,392 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:37:13" (1/1) ... [2020-09-25 04:37:13,401 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:37:13" (1/1) ... [2020-09-25 04:37:13,412 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:37:13" (1/1) ... [2020-09-25 04:37:13,415 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:37:13" (1/1) ... [2020-09-25 04:37:13,418 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 04:37:13,419 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 04:37:13,419 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 04:37:13,419 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 04:37:13,421 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:37:13" (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 [2020-09-25 04:37:13,500 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 04:37:13,500 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 04:37:13,500 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2020-09-25 04:37:13,501 INFO L138 BoogieDeclarations]: Found implementation of procedure master [2020-09-25 04:37:13,501 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit1 [2020-09-25 04:37:13,501 INFO L138 BoogieDeclarations]: Found implementation of procedure is_master_triggered [2020-09-25 04:37:13,501 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit1_triggered [2020-09-25 04:37:13,501 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels [2020-09-25 04:37:13,502 INFO L138 BoogieDeclarations]: Found implementation of procedure init_threads [2020-09-25 04:37:13,502 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2020-09-25 04:37:13,502 INFO L138 BoogieDeclarations]: Found implementation of procedure eval [2020-09-25 04:37:13,502 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events [2020-09-25 04:37:13,502 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events [2020-09-25 04:37:13,502 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads [2020-09-25 04:37:13,502 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2020-09-25 04:37:13,503 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_time_events [2020-09-25 04:37:13,503 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_time_events [2020-09-25 04:37:13,508 INFO L138 BoogieDeclarations]: Found implementation of procedure init_model [2020-09-25 04:37:13,508 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_simulation [2020-09-25 04:37:13,508 INFO L138 BoogieDeclarations]: Found implementation of procedure start_simulation [2020-09-25 04:37:13,510 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 04:37:13,510 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 04:37:13,510 INFO L130 BoogieDeclarations]: Found specification of procedure error [2020-09-25 04:37:13,511 INFO L130 BoogieDeclarations]: Found specification of procedure is_master_triggered [2020-09-25 04:37:13,511 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit1_triggered [2020-09-25 04:37:13,511 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2020-09-25 04:37:13,511 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 04:37:13,512 INFO L130 BoogieDeclarations]: Found specification of procedure master [2020-09-25 04:37:13,512 INFO L130 BoogieDeclarations]: Found specification of procedure transmit1 [2020-09-25 04:37:13,512 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels [2020-09-25 04:37:13,512 INFO L130 BoogieDeclarations]: Found specification of procedure init_threads [2020-09-25 04:37:13,512 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2020-09-25 04:37:13,512 INFO L130 BoogieDeclarations]: Found specification of procedure eval [2020-09-25 04:37:13,513 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events [2020-09-25 04:37:13,513 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events [2020-09-25 04:37:13,513 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads [2020-09-25 04:37:13,513 INFO L130 BoogieDeclarations]: Found specification of procedure fire_time_events [2020-09-25 04:37:13,513 INFO L130 BoogieDeclarations]: Found specification of procedure reset_time_events [2020-09-25 04:37:13,513 INFO L130 BoogieDeclarations]: Found specification of procedure init_model [2020-09-25 04:37:13,513 INFO L130 BoogieDeclarations]: Found specification of procedure stop_simulation [2020-09-25 04:37:13,513 INFO L130 BoogieDeclarations]: Found specification of procedure start_simulation [2020-09-25 04:37:13,514 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 04:37:13,514 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 04:37:13,514 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 04:37:14,116 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 04:37:14,116 INFO L295 CfgBuilder]: Removed 4 assume(true) statements. [2020-09-25 04:37:14,125 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 04:37:14 BoogieIcfgContainer [2020-09-25 04:37:14,125 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 04:37:14,127 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 04:37:14,127 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 04:37:14,131 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 04:37:14,132 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 04:37:12" (1/3) ... [2020-09-25 04:37:14,133 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5deebef8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 04:37:14, skipping insertion in model container [2020-09-25 04:37:14,133 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:37:13" (2/3) ... [2020-09-25 04:37:14,134 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5deebef8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 04:37:14, skipping insertion in model container [2020-09-25 04:37:14,134 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 04:37:14" (3/3) ... [2020-09-25 04:37:14,137 INFO L109 eAbstractionObserver]: Analyzing ICFG token_ring.01.cil-2.c [2020-09-25 04:37:14,150 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 04:37:14,163 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 04:37:14,188 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 04:37:14,223 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 04:37:14,223 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 04:37:14,224 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 04:37:14,224 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 04:37:14,224 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 04:37:14,224 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 04:37:14,224 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 04:37:14,225 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 04:37:14,255 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states. [2020-09-25 04:37:14,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2020-09-25 04:37:14,273 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 04:37:14,275 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 04:37:14,275 INFO L427 AbstractCegarLoop]: === Iteration 1 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 04:37:14,282 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 04:37:14,283 INFO L82 PathProgramCache]: Analyzing trace with hash -1293744950, now seen corresponding path program 1 times [2020-09-25 04:37:14,292 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 04:37:14,292 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [54086745] [2020-09-25 04:37:14,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 04:37:14,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:37:14,648 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:37:15,019 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:37:15,714 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:37:16,170 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:37:16,170 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 143 [2020-09-25 04:37:16,171 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 04:37:16,171 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1654 [2020-09-25 04:37:16,175 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:37:16,176 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:37:16,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 04:37:16,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 70 [2020-09-25 04:37:16,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 68 [2020-09-25 04:37:16,177 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 6 [2020-09-25 04:37:16,363 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 04:37:16,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:37:16,374 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:37:16,387 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:37:16,387 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-09-25 04:37:16,388 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:37:16,388 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-09-25 04:37:16,388 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:37:16,388 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:37:16,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:37:16,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:37:16,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:37:16,390 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:37:16,410 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-09-25 04:37:16,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:37:16,415 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:37:16,421 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:37:16,422 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 04:37:16,422 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:37:16,422 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 04:37:16,422 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:37:16,423 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:37:16,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:37:16,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:37:16,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:37:16,425 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 04:37:16,427 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-09-25 04:37:16,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:37:16,430 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:37:16,432 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:37:16,432 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:37:16,433 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:37:16,433 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:37:16,434 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:37:16,434 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:37:16,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:37:16,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:37:16,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:37:16,439 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-09-25 04:37:16,456 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-09-25 04:37:16,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:37:16,463 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:37:16,469 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:37:16,469 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 04:37:16,470 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:37:16,471 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 04:37:16,471 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:37:16,471 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:37:16,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:37:16,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:37:16,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:37:16,478 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 6 [2020-09-25 04:37:16,504 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-25 04:37:16,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:37:16,511 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:37:16,517 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:37:16,517 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 04:37:16,518 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:37:16,518 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 04:37:16,518 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:37:16,518 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:37:16,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:37:16,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:37:16,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:37:16,520 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:37:16,524 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-09-25 04:37:16,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:37:16,540 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:37:16,546 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:37:16,546 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-09-25 04:37:16,547 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:37:16,547 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-25 04:37:16,547 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:37:16,548 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:37:16,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 04:37:16,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:37:16,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 04:37:16,549 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:37:16,572 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 04:37:16,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:37:16,576 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:37:16,582 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:37:16,582 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 04:37:16,582 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:37:16,583 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 04:37:16,583 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:37:16,583 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:37:16,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 04:37:16,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:37:16,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-25 04:37:16,584 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:37:16,595 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-25 04:37:16,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:37:16,605 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:37:16,610 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:37:16,611 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 04:37:16,611 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:37:16,611 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-25 04:37:16,612 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:37:16,612 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:37:16,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 04:37:16,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:37:16,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 04:37:16,614 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:37:16,625 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-09-25 04:37:16,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:37:16,637 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:37:16,646 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:37:16,646 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 04:37:16,646 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:37:16,647 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-25 04:37:16,647 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:37:16,647 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:37:16,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 04:37:16,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:37:16,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 04:37:16,648 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:37:16,653 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 04:37:16,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:37:16,658 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:37:16,671 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:37:16,671 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 04:37:16,672 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:37:16,672 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-09-25 04:37:16,672 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:37:16,673 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:37:16,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 04:37:16,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:37:16,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 04:37:16,674 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:37:16,728 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 04:37:16,729 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [54086745] [2020-09-25 04:37:16,732 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 04:37:16,732 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-25 04:37:16,733 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [36487107] [2020-09-25 04:37:16,743 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-25 04:37:16,743 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 04:37:16,762 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-25 04:37:16,763 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-09-25 04:37:16,766 INFO L87 Difference]: Start difference. First operand 227 states. Second operand 7 states. [2020-09-25 04:37:18,898 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 04:37:18,898 INFO L93 Difference]: Finished difference Result 795 states and 1083 transitions. [2020-09-25 04:37:18,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-09-25 04:37:18,901 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 110 [2020-09-25 04:37:18,902 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 04:37:18,935 INFO L225 Difference]: With dead ends: 795 [2020-09-25 04:37:18,935 INFO L226 Difference]: Without dead ends: 585 [2020-09-25 04:37:18,943 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 25 SyntacticMatches, 4 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=91, Invalid=181, Unknown=0, NotChecked=0, Total=272 [2020-09-25 04:37:18,967 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 585 states. [2020-09-25 04:37:19,059 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 585 to 431. [2020-09-25 04:37:19,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 431 states. [2020-09-25 04:37:19,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 431 states to 431 states and 538 transitions. [2020-09-25 04:37:19,068 INFO L78 Accepts]: Start accepts. Automaton has 431 states and 538 transitions. Word has length 110 [2020-09-25 04:37:19,069 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 04:37:19,069 INFO L479 AbstractCegarLoop]: Abstraction has 431 states and 538 transitions. [2020-09-25 04:37:19,069 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-25 04:37:19,069 INFO L276 IsEmpty]: Start isEmpty. Operand 431 states and 538 transitions. [2020-09-25 04:37:19,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2020-09-25 04:37:19,077 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 04:37:19,078 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 04:37:19,078 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 04:37:19,078 INFO L427 AbstractCegarLoop]: === Iteration 2 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 04:37:19,079 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 04:37:19,079 INFO L82 PathProgramCache]: Analyzing trace with hash 1206698500, now seen corresponding path program 1 times [2020-09-25 04:37:19,079 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 04:37:19,080 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [214414781] [2020-09-25 04:37:19,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 04:37:19,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:37:19,188 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:37:19,255 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:37:20,641 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:37:21,522 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:37:21,523 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 221 [2020-09-25 04:37:21,523 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 04:37:21,523 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2383 [2020-09-25 04:37:21,524 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:37:21,524 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:37:21,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 04:37:21,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 183 [2020-09-25 04:37:21,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-09-25 04:37:21,525 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:37:21,603 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 04:37:21,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:37:21,608 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:37:21,617 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:37:21,617 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-09-25 04:37:21,617 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:37:21,618 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-25 04:37:21,618 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:37:21,618 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:37:21,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:37:21,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:37:21,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:37:21,619 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:37:21,633 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-09-25 04:37:21,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:37:21,636 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:37:21,640 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:37:21,640 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 04:37:21,640 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:37:21,641 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 04:37:21,641 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:37:21,641 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:37:21,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:37:21,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:37:21,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:37:21,642 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:37:21,644 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-09-25 04:37:21,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:37:21,646 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:37:21,647 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:37:21,647 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:37:21,648 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:37:21,648 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:37:21,648 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:37:21,649 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:37:21,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:37:21,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:37:21,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:37:21,649 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:37:21,669 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-09-25 04:37:21,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:37:21,672 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:37:21,676 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:37:21,677 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 04:37:21,677 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:37:21,677 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 04:37:21,678 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:37:21,678 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:37:21,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:37:21,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:37:21,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:37:21,680 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:37:21,697 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-25 04:37:21,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:37:21,701 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:37:21,706 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:37:21,706 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 04:37:21,706 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:37:21,707 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 04:37:21,707 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:37:21,708 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:37:21,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:37:21,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:37:21,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:37:21,709 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:37:21,712 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-09-25 04:37:21,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:37:21,716 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:37:21,718 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:37:21,719 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-09-25 04:37:21,719 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:37:21,719 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 04:37:21,719 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:37:21,720 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:37:21,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:37:21,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:37:21,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:37:21,721 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:37:21,725 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 04:37:21,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:37:21,727 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:37:21,728 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:37:21,729 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 04:37:21,729 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:37:21,729 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:37:21,729 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:37:21,730 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:37:21,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:37:21,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:37:21,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:37:21,731 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:37:21,733 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-25 04:37:21,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:37:21,736 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:37:21,737 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:37:21,738 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 04:37:21,738 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:37:21,738 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:37:21,739 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:37:21,739 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:37:21,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:37:21,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:37:21,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:37:21,740 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:37:21,742 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-09-25 04:37:21,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:37:21,745 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:37:21,747 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:37:21,747 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 04:37:21,747 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:37:21,747 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 04:37:21,748 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:37:21,748 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:37:21,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:37:21,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:37:21,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:37:21,749 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:37:21,751 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 04:37:21,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:37:21,754 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:37:21,758 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:37:21,759 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 04:37:21,759 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:37:21,759 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 04:37:21,759 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:37:21,760 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:37:21,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:37:21,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:37:21,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:37:21,761 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:37:21,801 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-09-25 04:37:21,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:37:21,817 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:37:21,853 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:37:21,853 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 59 [2020-09-25 04:37:21,854 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:37:21,854 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 43 [2020-09-25 04:37:21,854 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:37:21,855 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:37:21,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 04:37:21,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:37:21,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 52 [2020-09-25 04:37:21,856 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:37:21,864 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-25 04:37:21,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:37:21,868 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:37:21,870 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:37:21,870 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-09-25 04:37:21,870 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:37:21,871 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 04:37:21,871 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:37:21,871 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:37:21,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:37:21,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:37:21,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:37:21,872 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:37:21,876 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 04:37:21,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:37:21,880 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:37:21,882 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:37:21,883 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-09-25 04:37:21,883 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:37:21,883 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 04:37:21,883 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:37:21,884 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:37:21,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:37:21,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:37:21,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:37:21,885 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:37:21,889 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 04:37:21,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:37:21,892 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:37:21,893 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:37:21,893 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 04:37:21,894 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:37:21,894 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:37:21,894 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:37:21,895 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:37:21,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:37:21,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:37:21,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:37:21,896 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:37:21,898 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-25 04:37:21,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:37:21,900 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:37:21,901 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:37:21,902 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 04:37:21,902 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:37:21,902 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:37:21,903 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:37:21,903 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:37:21,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:37:21,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:37:21,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:37:21,904 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:37:21,908 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-09-25 04:37:21,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:37:21,912 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:37:21,917 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:37:21,924 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:37:21,925 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 04:37:21,925 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 04:37:21,925 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-25 04:37:21,926 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:37:21,926 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:37:21,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 04:37:21,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:37:21,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 04:37:21,927 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:37:21,955 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2020-09-25 04:37:21,955 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [214414781] [2020-09-25 04:37:21,956 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 04:37:21,956 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-25 04:37:21,956 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [153647758] [2020-09-25 04:37:21,959 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-25 04:37:21,959 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 04:37:21,959 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-25 04:37:21,960 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-09-25 04:37:21,960 INFO L87 Difference]: Start difference. First operand 431 states and 538 transitions. Second operand 8 states. [2020-09-25 04:37:24,644 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 04:37:24,644 INFO L93 Difference]: Finished difference Result 1449 states and 1945 transitions. [2020-09-25 04:37:24,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-09-25 04:37:24,646 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 176 [2020-09-25 04:37:24,648 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 04:37:24,669 INFO L225 Difference]: With dead ends: 1449 [2020-09-25 04:37:24,669 INFO L226 Difference]: Without dead ends: 1058 [2020-09-25 04:37:24,674 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=139, Invalid=281, Unknown=0, NotChecked=0, Total=420 [2020-09-25 04:37:24,677 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1058 states. [2020-09-25 04:37:24,820 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1058 to 781. [2020-09-25 04:37:24,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 781 states. [2020-09-25 04:37:24,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 781 states to 781 states and 1014 transitions. [2020-09-25 04:37:24,830 INFO L78 Accepts]: Start accepts. Automaton has 781 states and 1014 transitions. Word has length 176 [2020-09-25 04:37:24,831 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 04:37:24,831 INFO L479 AbstractCegarLoop]: Abstraction has 781 states and 1014 transitions. [2020-09-25 04:37:24,831 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-25 04:37:24,831 INFO L276 IsEmpty]: Start isEmpty. Operand 781 states and 1014 transitions. [2020-09-25 04:37:24,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2020-09-25 04:37:24,848 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 04:37:24,849 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 04:37:24,849 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 04:37:24,849 INFO L427 AbstractCegarLoop]: === Iteration 3 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 04:37:24,849 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 04:37:24,850 INFO L82 PathProgramCache]: Analyzing trace with hash 1527598382, now seen corresponding path program 1 times [2020-09-25 04:37:24,850 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 04:37:24,850 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [107649417] [2020-09-25 04:37:24,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 04:37:24,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:37:24,934 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:37:25,031 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:37:25,099 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:37:26,184 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:37:26,586 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:37:27,881 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:37:29,916 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:37:29,917 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 280 [2020-09-25 04:37:29,917 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-09-25 04:37:29,917 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5019 [2020-09-25 04:37:29,918 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:37:29,918 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:37:29,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 04:37:29,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 197 [2020-09-25 04:37:29,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-09-25 04:37:29,918 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 04:37:29,980 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 04:37:29,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:37:29,984 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:37:29,992 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:37:29,993 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-09-25 04:37:29,993 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:37:29,993 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-25 04:37:29,993 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:37:29,993 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:37:29,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:37:29,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:37:29,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:37:29,994 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:37:30,004 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-09-25 04:37:30,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:37:30,006 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:37:30,009 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:37:30,010 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 04:37:30,010 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:37:30,010 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 04:37:30,010 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:37:30,010 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:37:30,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:37:30,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:37:30,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:37:30,011 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:37:30,013 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-09-25 04:37:30,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:37:30,014 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:37:30,015 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:37:30,015 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:37:30,015 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:37:30,016 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 04:37:30,016 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:37:30,016 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:37:30,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:37:30,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:37:30,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:37:30,017 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 04:37:30,025 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-09-25 04:37:30,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:37:30,027 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:37:30,031 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:37:30,031 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 04:37:30,031 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:37:30,031 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 04:37:30,032 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:37:30,032 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:37:30,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:37:30,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:37:30,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:37:30,033 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 04:37:30,046 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-25 04:37:30,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:37:30,048 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:37:30,052 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:37:30,052 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 04:37:30,052 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:37:30,053 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 04:37:30,053 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:37:30,053 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:37:30,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:37:30,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:37:30,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:37:30,054 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 04:37:30,056 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-09-25 04:37:30,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:37:30,059 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:37:30,061 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:37:30,061 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-09-25 04:37:30,061 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:37:30,061 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 04:37:30,062 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:37:30,062 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:37:30,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:37:30,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:37:30,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:37:30,063 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:37:30,067 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 04:37:30,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:37:30,069 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:37:30,070 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:37:30,070 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 04:37:30,070 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:37:30,070 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 04:37:30,071 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:37:30,071 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:37:30,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:37:30,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:37:30,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:37:30,072 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:37:30,073 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-25 04:37:30,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:37:30,075 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:37:30,076 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:37:30,076 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 04:37:30,076 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:37:30,076 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 04:37:30,076 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:37:30,077 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:37:30,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:37:30,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:37:30,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:37:30,077 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:37:30,080 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-09-25 04:37:30,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:37:30,082 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:37:30,083 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:37:30,083 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 04:37:30,083 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:37:30,084 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:37:30,084 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:37:30,084 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:37:30,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:37:30,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:37:30,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:37:30,085 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 04:37:30,086 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 04:37:30,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:37:30,088 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:37:30,091 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:37:30,092 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 04:37:30,092 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:37:30,092 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 04:37:30,092 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:37:30,092 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:37:30,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:37:30,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:37:30,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:37:30,093 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 04:37:30,112 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-09-25 04:37:30,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:37:30,118 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:37:30,132 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:37:30,132 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 59 [2020-09-25 04:37:30,132 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:37:30,133 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-09-25 04:37:30,133 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:37:30,133 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:37:30,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:37:30,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:37:30,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:37:30,134 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 04:37:30,139 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-25 04:37:30,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:37:30,143 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:37:30,145 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:37:30,145 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-09-25 04:37:30,145 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:37:30,145 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 04:37:30,146 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:37:30,146 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:37:30,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:37:30,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:37:30,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:37:30,147 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:37:30,150 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 04:37:30,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:37:30,154 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:37:30,155 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:37:30,155 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-09-25 04:37:30,155 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:37:30,155 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 04:37:30,156 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:37:30,156 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:37:30,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:37:30,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:37:30,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:37:30,157 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:37:30,160 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 04:37:30,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:37:30,162 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:37:30,163 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:37:30,163 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 04:37:30,163 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:37:30,164 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 04:37:30,164 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:37:30,164 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:37:30,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:37:30,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:37:30,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:37:30,165 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:37:30,167 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-25 04:37:30,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:37:30,168 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:37:30,169 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:37:30,170 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 04:37:30,170 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:37:30,170 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 04:37:30,170 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:37:30,171 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:37:30,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:37:30,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:37:30,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:37:30,171 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:37:30,190 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2020-09-25 04:37:30,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:37:30,201 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:37:30,230 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:37:30,230 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 56 [2020-09-25 04:37:30,230 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:37:30,230 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-09-25 04:37:30,231 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:37:30,231 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:37:30,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 04:37:30,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-09-25 04:37:30,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-09-25 04:37:30,232 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 04:37:30,241 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-25 04:37:30,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:37:30,251 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:37:30,271 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:37:30,272 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43 [2020-09-25 04:37:30,272 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:37:30,272 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-09-25 04:37:30,272 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:37:30,272 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:37:30,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 04:37:30,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 27 [2020-09-25 04:37:30,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-25 04:37:30,273 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:37:30,285 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 04:37:30,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:37:30,292 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:37:30,310 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:37:30,310 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 38 [2020-09-25 04:37:30,311 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:37:30,311 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-09-25 04:37:30,311 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:37:30,311 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:37:30,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 04:37:30,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:37:30,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-09-25 04:37:30,312 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:37:30,318 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 04:37:30,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:37:30,320 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:37:30,323 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:37:30,323 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-09-25 04:37:30,324 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:37:30,324 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 04:37:30,324 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:37:30,324 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:37:30,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:37:30,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:37:30,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:37:30,325 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:37:30,327 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-09-25 04:37:30,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:37:30,329 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:37:30,331 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:37:30,331 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 04:37:30,331 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:37:30,331 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:37:30,331 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:37:30,332 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:37:30,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 04:37:30,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:37:30,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-25 04:37:30,333 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:37:30,338 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2020-09-25 04:37:30,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:37:30,341 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:37:30,344 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:37:30,345 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 04:37:30,345 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:37:30,345 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 04:37:30,345 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:37:30,346 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:37:30,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:37:30,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-09-25 04:37:30,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:37:30,346 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:37:30,422 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2020-09-25 04:37:30,422 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [107649417] [2020-09-25 04:37:30,423 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 04:37:30,423 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-25 04:37:30,423 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1310329610] [2020-09-25 04:37:30,424 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-25 04:37:30,424 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 04:37:30,425 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-25 04:37:30,425 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2020-09-25 04:37:30,425 INFO L87 Difference]: Start difference. First operand 781 states and 1014 transitions. Second operand 10 states. [2020-09-25 04:37:33,126 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 04:37:33,127 INFO L93 Difference]: Finished difference Result 2708 states and 3811 transitions. [2020-09-25 04:37:33,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2020-09-25 04:37:33,127 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 225 [2020-09-25 04:37:33,130 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 04:37:33,147 INFO L225 Difference]: With dead ends: 2708 [2020-09-25 04:37:33,147 INFO L226 Difference]: Without dead ends: 1973 [2020-09-25 04:37:33,155 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 209 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=198, Invalid=672, Unknown=0, NotChecked=0, Total=870 [2020-09-25 04:37:33,158 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1973 states. [2020-09-25 04:37:33,281 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1973 to 1437. [2020-09-25 04:37:33,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1437 states. [2020-09-25 04:37:33,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1437 states to 1437 states and 1830 transitions. [2020-09-25 04:37:33,294 INFO L78 Accepts]: Start accepts. Automaton has 1437 states and 1830 transitions. Word has length 225 [2020-09-25 04:37:33,296 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 04:37:33,296 INFO L479 AbstractCegarLoop]: Abstraction has 1437 states and 1830 transitions. [2020-09-25 04:37:33,296 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-25 04:37:33,297 INFO L276 IsEmpty]: Start isEmpty. Operand 1437 states and 1830 transitions. [2020-09-25 04:37:33,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 255 [2020-09-25 04:37:33,306 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 04:37:33,306 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 04:37:33,307 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 04:37:33,307 INFO L427 AbstractCegarLoop]: === Iteration 4 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 04:37:33,307 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 04:37:33,307 INFO L82 PathProgramCache]: Analyzing trace with hash 1453934466, now seen corresponding path program 1 times [2020-09-25 04:37:33,308 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 04:37:33,308 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [625298688] [2020-09-25 04:37:33,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 04:37:33,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:37:33,378 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:37:33,437 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:37:33,580 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:37:33,869 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:37:34,846 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:37:38,343 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:37:38,343 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 313 [2020-09-25 04:37:38,343 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 04:37:38,344 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4999 [2020-09-25 04:37:38,344 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:37:38,344 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:37:38,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 04:37:38,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 181 [2020-09-25 04:37:38,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 80 [2020-09-25 04:37:38,345 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:37:38,416 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 04:37:38,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:37:38,421 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:37:38,429 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:37:38,429 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-09-25 04:37:38,429 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:37:38,430 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-25 04:37:38,430 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:37:38,430 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:37:38,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:37:38,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:37:38,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:37:38,431 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:37:38,443 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-09-25 04:37:38,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:37:38,446 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:37:38,449 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:37:38,449 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 04:37:38,449 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:37:38,450 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 04:37:38,450 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:37:38,450 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:37:38,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:37:38,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:37:38,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:37:38,451 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:37:38,452 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-09-25 04:37:38,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:37:38,454 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:37:38,455 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:37:38,455 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:37:38,456 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:37:38,456 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 04:37:38,456 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:37:38,457 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:37:38,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:37:38,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:37:38,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:37:38,458 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:37:38,468 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-09-25 04:37:38,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:37:38,470 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:37:38,475 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:37:38,476 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 04:37:38,476 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:37:38,476 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 04:37:38,477 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:37:38,477 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:37:38,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:37:38,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:37:38,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:37:38,478 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:37:38,493 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-25 04:37:38,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:37:38,496 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:37:38,500 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:37:38,500 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 04:37:38,500 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:37:38,500 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 04:37:38,501 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:37:38,501 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:37:38,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:37:38,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:37:38,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:37:38,501 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 04:37:38,503 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-09-25 04:37:38,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:37:38,507 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:37:38,508 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:37:38,509 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-09-25 04:37:38,509 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:37:38,509 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 04:37:38,509 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:37:38,510 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:37:38,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:37:38,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:37:38,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:37:38,510 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:37:38,514 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 04:37:38,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:37:38,516 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:37:38,517 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:37:38,518 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 04:37:38,518 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:37:38,518 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:37:38,518 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:37:38,519 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:37:38,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:37:38,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:37:38,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:37:38,520 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:37:38,521 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-25 04:37:38,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:37:38,523 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:37:38,524 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:37:38,525 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 04:37:38,525 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:37:38,525 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:37:38,525 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:37:38,525 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:37:38,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:37:38,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:37:38,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:37:38,526 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:37:38,528 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-09-25 04:37:38,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:37:38,531 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:37:38,532 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:37:38,532 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 04:37:38,532 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:37:38,532 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:37:38,533 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:37:38,533 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:37:38,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:37:38,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:37:38,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:37:38,534 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 04:37:38,535 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 04:37:38,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:37:38,537 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:37:38,540 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:37:38,540 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 04:37:38,540 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:37:38,540 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 04:37:38,541 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:37:38,541 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:37:38,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:37:38,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:37:38,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:37:38,542 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 04:37:38,560 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-09-25 04:37:38,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:37:38,573 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:37:38,603 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:37:38,604 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 59 [2020-09-25 04:37:38,604 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:37:38,604 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 37 [2020-09-25 04:37:38,604 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:37:38,604 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:37:38,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 04:37:38,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:37:38,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 50 [2020-09-25 04:37:38,605 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:37:38,613 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-25 04:37:38,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:37:38,617 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:37:38,619 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:37:38,619 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-09-25 04:37:38,619 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:37:38,619 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 04:37:38,619 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:37:38,620 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:37:38,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:37:38,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:37:38,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:37:38,621 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:37:38,624 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 04:37:38,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:37:38,628 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:37:38,630 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:37:38,630 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-09-25 04:37:38,630 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:37:38,631 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 04:37:38,631 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:37:38,631 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:37:38,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:37:38,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:37:38,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:37:38,632 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:37:38,636 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 04:37:38,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:37:38,638 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:37:38,639 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:37:38,639 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 04:37:38,639 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:37:38,639 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 04:37:38,640 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:37:38,640 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:37:38,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:37:38,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:37:38,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:37:38,641 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:37:38,642 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-25 04:37:38,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:37:38,644 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:37:38,645 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:37:38,646 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 04:37:38,646 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:37:38,646 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 04:37:38,646 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:37:38,646 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:37:38,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:37:38,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:37:38,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:37:38,647 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:37:38,668 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2020-09-25 04:37:38,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:37:38,672 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:37:38,680 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:37:38,681 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 04:37:38,681 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:37:38,681 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 04:37:38,681 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:37:38,682 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:37:38,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 04:37:38,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:37:38,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 04:37:38,683 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:37:38,685 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2020-09-25 04:37:38,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:37:38,689 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:37:38,695 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:37:38,696 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-09-25 04:37:38,696 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:37:38,696 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 04:37:38,696 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:37:38,696 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:37:38,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 04:37:38,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:37:38,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 04:37:38,697 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:37:38,699 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2020-09-25 04:37:38,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:37:38,711 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:37:38,751 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:37:38,818 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:37:38,818 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-09-25 04:37:38,819 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 04:37:38,819 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 113 [2020-09-25 04:37:38,819 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:37:38,820 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:37:38,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 04:37:38,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 35 [2020-09-25 04:37:38,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-09-25 04:37:38,821 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:37:38,840 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-25 04:37:38,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:37:38,850 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:37:38,858 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:37:38,969 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:37:38,969 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-09-25 04:37:38,970 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 04:37:38,971 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 123 [2020-09-25 04:37:38,972 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:37:38,972 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:37:38,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 04:37:38,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:37:38,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27 [2020-09-25 04:37:38,974 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 04:37:38,980 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 04:37:38,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:37:38,988 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:37:38,996 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:37:39,109 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:37:39,109 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 39 [2020-09-25 04:37:39,110 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 04:37:39,110 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 124 [2020-09-25 04:37:39,110 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:37:39,111 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:37:39,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 04:37:39,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:37:39,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-09-25 04:37:39,112 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:37:39,123 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 04:37:39,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:37:39,125 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:37:39,130 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:37:39,131 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-09-25 04:37:39,131 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:37:39,131 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 04:37:39,132 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:37:39,132 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:37:39,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:37:39,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:37:39,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:37:39,134 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 04:37:39,136 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-09-25 04:37:39,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:37:39,140 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:37:39,146 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:37:39,147 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-09-25 04:37:39,147 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:37:39,148 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 04:37:39,148 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:37:39,149 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:37:39,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 04:37:39,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:37:39,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 04:37:39,150 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:37:39,160 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-09-25 04:37:39,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:37:39,164 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:37:39,183 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:37:39,184 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 04:37:39,184 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:37:39,184 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-09-25 04:37:39,185 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:37:39,186 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:37:39,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:37:39,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-09-25 04:37:39,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:37:39,187 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:37:39,370 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2020-09-25 04:37:39,372 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [625298688] [2020-09-25 04:37:39,372 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 04:37:39,373 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-25 04:37:39,373 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1496162721] [2020-09-25 04:37:39,374 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-25 04:37:39,374 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 04:37:39,374 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-25 04:37:39,376 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2020-09-25 04:37:39,376 INFO L87 Difference]: Start difference. First operand 1437 states and 1830 transitions. Second operand 10 states. [2020-09-25 04:37:41,444 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 04:37:41,444 INFO L93 Difference]: Finished difference Result 3352 states and 4529 transitions. [2020-09-25 04:37:41,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-09-25 04:37:41,445 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 254 [2020-09-25 04:37:41,445 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 04:37:41,459 INFO L225 Difference]: With dead ends: 3352 [2020-09-25 04:37:41,459 INFO L226 Difference]: Without dead ends: 1959 [2020-09-25 04:37:41,469 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 124 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=164, Invalid=486, Unknown=0, NotChecked=0, Total=650 [2020-09-25 04:37:41,472 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1959 states. [2020-09-25 04:37:41,608 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1959 to 1535. [2020-09-25 04:37:41,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1535 states. [2020-09-25 04:37:41,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1535 states to 1535 states and 1907 transitions. [2020-09-25 04:37:41,618 INFO L78 Accepts]: Start accepts. Automaton has 1535 states and 1907 transitions. Word has length 254 [2020-09-25 04:37:41,619 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 04:37:41,619 INFO L479 AbstractCegarLoop]: Abstraction has 1535 states and 1907 transitions. [2020-09-25 04:37:41,619 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-25 04:37:41,620 INFO L276 IsEmpty]: Start isEmpty. Operand 1535 states and 1907 transitions. [2020-09-25 04:37:41,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 320 [2020-09-25 04:37:41,630 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 04:37:41,631 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 04:37:41,631 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-25 04:37:41,631 INFO L427 AbstractCegarLoop]: === Iteration 5 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 04:37:41,632 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 04:37:41,632 INFO L82 PathProgramCache]: Analyzing trace with hash 1931791591, now seen corresponding path program 1 times [2020-09-25 04:37:41,632 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 04:37:41,632 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1016824489] [2020-09-25 04:37:41,632 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 04:37:41,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:37:41,677 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:37:41,731 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:37:41,786 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:37:41,842 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:37:42,444 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:37:42,697 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:37:46,672 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:37:46,672 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 390 [2020-09-25 04:37:46,672 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-09-25 04:37:46,673 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5018 [2020-09-25 04:37:46,673 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:37:46,673 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:37:46,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 04:37:46,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 27 [2020-09-25 04:37:46,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-09-25 04:37:46,674 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:37:46,722 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 04:37:46,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:37:46,726 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:37:46,733 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:37:46,734 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-09-25 04:37:46,734 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:37:46,734 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 04:37:46,734 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:37:46,734 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:37:46,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:37:46,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:37:46,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:37:46,735 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 04:37:46,745 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-09-25 04:37:46,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:37:46,748 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:37:46,753 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:37:46,754 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 04:37:46,754 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:37:46,754 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 04:37:46,754 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:37:46,754 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:37:46,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 04:37:46,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:37:46,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-25 04:37:46,755 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:37:46,757 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-09-25 04:37:46,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:37:46,759 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:37:46,761 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:37:46,761 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:37:46,761 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:37:46,761 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:37:46,761 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:37:46,762 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:37:46,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 04:37:46,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:37:46,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 04:37:46,762 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 04:37:46,779 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-09-25 04:37:46,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:37:46,782 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:37:46,789 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:37:46,789 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 04:37:46,789 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:37:46,789 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 04:37:46,790 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:37:46,790 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:37:46,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 04:37:46,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-25 04:37:46,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 04:37:46,791 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 04:37:46,815 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-25 04:37:46,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:37:46,819 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:37:46,823 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:37:46,823 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 04:37:46,824 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:37:46,824 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 04:37:46,824 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:37:46,824 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:37:46,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:37:46,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-09-25 04:37:46,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:37:46,825 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:37:46,827 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-09-25 04:37:46,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:37:46,834 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:37:46,836 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:37:46,837 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-09-25 04:37:46,837 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:37:46,837 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 04:37:46,837 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:37:46,838 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:37:46,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:37:46,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 33 [2020-09-25 04:37:46,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:37:46,839 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:37:46,843 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 04:37:46,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:37:46,844 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:37:46,846 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:37:46,846 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 04:37:46,846 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:37:46,846 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 04:37:46,847 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:37:46,847 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:37:46,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:37:46,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:37:46,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:37:46,848 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:37:46,850 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-25 04:37:46,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:37:46,852 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:37:46,853 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:37:46,853 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 04:37:46,854 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:37:46,854 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:37:46,854 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:37:46,854 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:37:46,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:37:46,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:37:46,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:37:46,855 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:37:46,857 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-09-25 04:37:46,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:37:46,861 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:37:46,863 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:37:46,863 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 04:37:46,863 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:37:46,864 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:37:46,864 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:37:46,864 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:37:46,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:37:46,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-09-25 04:37:46,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:37:46,866 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:37:46,868 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 04:37:46,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:37:46,871 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:37:46,874 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:37:46,875 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-09-25 04:37:46,875 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:37:46,875 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 04:37:46,876 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:37:46,876 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:37:46,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:37:46,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-09-25 04:37:46,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:37:46,877 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:37:46,896 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2020-09-25 04:37:46,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:37:46,899 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:37:46,904 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:37:46,904 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 04:37:46,905 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:37:46,905 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 04:37:46,905 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:37:46,906 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:37:46,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:37:46,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-09-25 04:37:46,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:37:46,907 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:37:46,909 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2020-09-25 04:37:46,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:37:46,912 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:37:46,915 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:37:46,916 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-09-25 04:37:46,916 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:37:46,916 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 04:37:46,917 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:37:46,917 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:37:46,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:37:46,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-09-25 04:37:46,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:37:46,918 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:37:46,919 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-09-25 04:37:46,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:37:46,928 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:37:46,965 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:37:46,997 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:37:46,997 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 56 [2020-09-25 04:37:46,997 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 04:37:46,997 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 73 [2020-09-25 04:37:46,998 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:37:46,998 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:37:46,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:37:46,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 53 [2020-09-25 04:37:46,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:37:46,999 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 04:37:47,003 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-25 04:37:47,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:37:47,007 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:37:47,012 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:37:47,072 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:37:47,073 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43 [2020-09-25 04:37:47,073 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 04:37:47,073 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 67 [2020-09-25 04:37:47,073 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:37:47,074 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:37:47,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:37:47,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:37:47,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:37:47,075 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:37:47,078 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 04:37:47,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:37:47,081 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:37:47,086 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:37:47,137 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:37:47,138 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 38 [2020-09-25 04:37:47,138 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 04:37:47,138 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 57 [2020-09-25 04:37:47,138 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:37:47,138 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:37:47,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:37:47,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:37:47,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:37:47,139 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:37:47,143 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 04:37:47,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:37:47,145 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:37:47,146 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:37:47,146 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 04:37:47,146 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:37:47,146 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 04:37:47,147 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:37:47,147 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:37:47,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:37:47,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:37:47,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:37:47,148 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:37:47,149 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-25 04:37:47,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:37:47,151 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:37:47,154 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:37:47,155 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-09-25 04:37:47,155 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:37:47,155 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 04:37:47,155 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:37:47,156 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:37:47,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:37:47,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:37:47,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:37:47,156 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:37:47,160 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2020-09-25 04:37:47,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:37:47,163 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:37:47,166 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:37:47,166 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 04:37:47,167 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:37:47,167 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 04:37:47,167 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:37:47,167 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:37:47,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:37:47,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-09-25 04:37:47,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:37:47,168 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 04:37:47,188 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2020-09-25 04:37:47,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:37:47,199 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:37:47,239 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:37:47,274 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:37:47,274 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 60 [2020-09-25 04:37:47,274 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 04:37:47,274 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 80 [2020-09-25 04:37:47,274 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:37:47,275 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:37:47,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:37:47,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 57 [2020-09-25 04:37:47,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:37:47,275 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 04:37:47,281 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-25 04:37:47,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:37:47,286 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:37:47,291 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:37:47,345 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:37:47,346 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 42 [2020-09-25 04:37:47,346 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 04:37:47,346 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 61 [2020-09-25 04:37:47,346 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:37:47,347 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:37:47,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:37:47,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:37:47,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:37:47,347 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:37:47,351 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 04:37:47,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:37:47,354 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:37:47,359 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:37:47,411 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:37:47,411 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-25 04:37:47,411 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 04:37:47,411 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 58 [2020-09-25 04:37:47,412 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:37:47,412 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:37:47,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:37:47,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:37:47,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:37:47,413 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:37:47,416 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 04:37:47,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:37:47,418 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:37:47,419 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:37:47,420 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 04:37:47,420 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:37:47,420 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 04:37:47,420 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:37:47,421 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:37:47,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:37:47,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:37:47,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:37:47,421 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:37:47,423 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-25 04:37:47,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:37:47,425 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:37:47,429 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:37:47,429 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-09-25 04:37:47,429 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:37:47,429 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 04:37:47,430 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:37:47,430 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:37:47,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:37:47,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:37:47,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:37:47,431 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:37:47,435 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2020-09-25 04:37:47,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:37:47,445 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:37:47,460 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:37:47,460 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-09-25 04:37:47,460 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:37:47,461 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-09-25 04:37:47,461 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:37:47,461 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:37:47,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:37:47,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 54 [2020-09-25 04:37:47,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:37:47,462 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:37:47,467 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-25 04:37:47,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:37:47,472 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:37:47,482 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:37:47,482 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-09-25 04:37:47,482 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:37:47,483 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-25 04:37:47,483 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:37:47,483 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:37:47,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:37:47,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:37:47,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:37:47,484 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:37:47,488 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 04:37:47,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:37:47,492 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:37:47,505 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:37:47,506 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 39 [2020-09-25 04:37:47,506 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:37:47,506 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-09-25 04:37:47,506 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:37:47,507 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:37:47,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:37:47,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:37:47,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:37:47,507 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:37:47,511 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 04:37:47,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:37:47,513 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:37:47,517 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:37:47,517 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-09-25 04:37:47,548 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:37:47,548 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 04:37:47,548 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:37:47,549 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:37:47,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:37:47,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:37:47,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:37:47,550 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:37:47,553 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-09-25 04:37:47,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:37:47,555 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:37:47,558 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:37:47,558 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-09-25 04:37:47,558 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:37:47,558 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 04:37:47,559 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:37:47,559 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:37:47,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:37:47,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:37:47,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:37:47,560 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:37:47,564 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2020-09-25 04:37:47,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:37:47,567 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:37:47,570 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:37:47,570 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 04:37:47,570 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:37:47,571 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 04:37:47,571 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:37:47,571 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:37:47,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:37:47,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-09-25 04:37:47,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:37:47,572 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 04:37:47,670 INFO L134 CoverageAnalysis]: Checked inductivity of 296 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 292 trivial. 0 not checked. [2020-09-25 04:37:47,670 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1016824489] [2020-09-25 04:37:47,671 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 04:37:47,671 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-25 04:37:47,671 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [225025656] [2020-09-25 04:37:47,672 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-25 04:37:47,672 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 04:37:47,672 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-25 04:37:47,672 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2020-09-25 04:37:47,673 INFO L87 Difference]: Start difference. First operand 1535 states and 1907 transitions. Second operand 10 states. [2020-09-25 04:37:49,439 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 04:37:49,440 INFO L93 Difference]: Finished difference Result 3403 states and 4266 transitions. [2020-09-25 04:37:49,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-09-25 04:37:49,440 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 319 [2020-09-25 04:37:49,440 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 04:37:49,452 INFO L225 Difference]: With dead ends: 3403 [2020-09-25 04:37:49,452 INFO L226 Difference]: Without dead ends: 1906 [2020-09-25 04:37:49,459 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 87 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=149, Invalid=403, Unknown=0, NotChecked=0, Total=552 [2020-09-25 04:37:49,462 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1906 states. [2020-09-25 04:37:49,544 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1906 to 1526. [2020-09-25 04:37:49,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1526 states. [2020-09-25 04:37:49,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1526 states to 1526 states and 1892 transitions. [2020-09-25 04:37:49,551 INFO L78 Accepts]: Start accepts. Automaton has 1526 states and 1892 transitions. Word has length 319 [2020-09-25 04:37:49,551 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 04:37:49,552 INFO L479 AbstractCegarLoop]: Abstraction has 1526 states and 1892 transitions. [2020-09-25 04:37:49,552 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-25 04:37:49,552 INFO L276 IsEmpty]: Start isEmpty. Operand 1526 states and 1892 transitions. [2020-09-25 04:37:49,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 255 [2020-09-25 04:37:49,559 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 04:37:49,559 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 04:37:49,560 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-25 04:37:49,560 INFO L427 AbstractCegarLoop]: === Iteration 6 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 04:37:49,560 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 04:37:49,560 INFO L82 PathProgramCache]: Analyzing trace with hash 1906353850, now seen corresponding path program 1 times [2020-09-25 04:37:49,560 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 04:37:49,561 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2104322245] [2020-09-25 04:37:49,561 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 04:37:49,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:37:49,609 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:37:49,654 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:37:49,706 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:37:51,233 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:37:51,281 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:37:51,475 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:37:54,592 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:37:54,592 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 313 [2020-09-25 04:37:54,592 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-09-25 04:37:54,592 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5008 [2020-09-25 04:37:54,592 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:37:54,593 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:37:54,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 04:37:54,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 114 [2020-09-25 04:37:54,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-09-25 04:37:54,593 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 04:37:54,646 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 04:37:54,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:37:54,651 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:37:54,658 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:37:54,659 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-09-25 04:37:54,659 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:37:54,659 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 04:37:54,659 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:37:54,659 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:37:54,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:37:54,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:37:54,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:37:54,660 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 04:37:54,675 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-09-25 04:37:54,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:37:54,677 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:37:54,680 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:37:54,680 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 04:37:54,680 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:37:54,680 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 04:37:54,680 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:37:54,680 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:37:54,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:37:54,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:37:54,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:37:54,681 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 04:37:54,682 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-09-25 04:37:54,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:37:54,683 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:37:54,684 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:37:54,684 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:37:54,684 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:37:54,685 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 04:37:54,685 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:37:54,685 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:37:54,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:37:54,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:37:54,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:37:54,685 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 04:37:54,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-09-25 04:37:54,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:37:54,697 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:37:54,700 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:37:54,700 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 04:37:54,701 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:37:54,701 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 04:37:54,701 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:37:54,701 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:37:54,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:37:54,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:37:54,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:37:54,701 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 04:37:54,719 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-25 04:37:54,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:37:54,722 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:37:54,726 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:37:54,726 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 04:37:54,726 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:37:54,726 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 04:37:54,726 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:37:54,726 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:37:54,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:37:54,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:37:54,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:37:54,727 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 04:37:54,728 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-09-25 04:37:54,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:37:54,732 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:37:54,733 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:37:54,734 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-09-25 04:37:54,734 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:37:54,734 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:37:54,734 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:37:54,734 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:37:54,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:37:54,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:37:54,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:37:54,735 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 04:37:54,737 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 04:37:54,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:37:54,738 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:37:54,739 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:37:54,739 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 04:37:54,739 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:37:54,739 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 04:37:54,740 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:37:54,740 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:37:54,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:37:54,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:37:54,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:37:54,740 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 04:37:54,741 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-25 04:37:54,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:37:54,743 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:37:54,743 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:37:54,743 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 04:37:54,743 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:37:54,744 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 04:37:54,744 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:37:54,744 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:37:54,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:37:54,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:37:54,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:37:54,744 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 04:37:54,746 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-09-25 04:37:54,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:37:54,747 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:37:54,748 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:37:54,748 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 04:37:54,748 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:37:54,749 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 04:37:54,749 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:37:54,749 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:37:54,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:37:54,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:37:54,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:37:54,749 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 04:37:54,751 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 04:37:54,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:37:54,752 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:37:54,757 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:37:54,757 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 04:37:54,757 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:37:54,757 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 04:37:54,758 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:37:54,758 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:37:54,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 04:37:54,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:37:54,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-25 04:37:54,759 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 04:37:54,783 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2020-09-25 04:37:54,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:37:54,786 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:37:54,792 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:37:54,792 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 04:37:54,792 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:37:54,792 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 04:37:54,793 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:37:54,793 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:37:54,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:37:54,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-09-25 04:37:54,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:37:54,794 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:37:54,796 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2020-09-25 04:37:54,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:37:54,798 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:37:54,801 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:37:54,801 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 04:37:54,802 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:37:54,802 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 04:37:54,802 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:37:54,803 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:37:54,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:37:54,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-09-25 04:37:54,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:37:54,804 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:37:54,829 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2020-09-25 04:37:54,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:37:54,838 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:37:54,845 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:37:54,927 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:37:54,927 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 60 [2020-09-25 04:37:54,927 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 04:37:54,927 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 93 [2020-09-25 04:37:54,928 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:37:54,928 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:37:54,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:37:54,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 57 [2020-09-25 04:37:54,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:37:54,928 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 04:37:54,932 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-25 04:37:54,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:37:54,936 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:37:54,940 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:37:54,992 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:37:54,993 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 42 [2020-09-25 04:37:54,993 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 04:37:54,993 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 58 [2020-09-25 04:37:54,993 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:37:54,994 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:37:54,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:37:54,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:37:54,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:37:54,994 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 04:37:54,997 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 04:37:54,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:37:55,000 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:37:55,004 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:37:55,046 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:37:55,047 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-25 04:37:55,047 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 04:37:55,047 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 48 [2020-09-25 04:37:55,047 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:37:55,047 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:37:55,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:37:55,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:37:55,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:37:55,048 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 04:37:55,050 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 04:37:55,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:37:55,051 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:37:55,052 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:37:55,052 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 04:37:55,052 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:37:55,053 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 04:37:55,053 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:37:55,053 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:37:55,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:37:55,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:37:55,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:37:55,053 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 04:37:55,055 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-25 04:37:55,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:37:55,056 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:37:55,059 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:37:55,059 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-09-25 04:37:55,059 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:37:55,059 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 04:37:55,059 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:37:55,060 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:37:55,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:37:55,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:37:55,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:37:55,060 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 04:37:55,063 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2020-09-25 04:37:55,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:37:55,073 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:37:55,086 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:37:55,086 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-09-25 04:37:55,086 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:37:55,086 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-09-25 04:37:55,086 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:37:55,087 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:37:55,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:37:55,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 54 [2020-09-25 04:37:55,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:37:55,087 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 04:37:55,091 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-25 04:37:55,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:37:55,096 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:37:55,104 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:37:55,104 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-09-25 04:37:55,104 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:37:55,104 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-25 04:37:55,105 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:37:55,105 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:37:55,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:37:55,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:37:55,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:37:55,105 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 04:37:55,108 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 04:37:55,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:37:55,111 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:37:55,118 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:37:55,119 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 39 [2020-09-25 04:37:55,119 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:37:55,119 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 04:37:55,119 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:37:55,119 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:37:55,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:37:55,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:37:55,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:37:55,120 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 04:37:55,123 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 04:37:55,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:37:55,125 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:37:55,127 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:37:55,127 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-09-25 04:37:55,127 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:37:55,127 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:37:55,127 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:37:55,128 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:37:55,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:37:55,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:37:55,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:37:55,129 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:37:55,130 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-09-25 04:37:55,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:37:55,131 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:37:55,134 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:37:55,134 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-09-25 04:37:55,134 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:37:55,134 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 04:37:55,135 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:37:55,135 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:37:55,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:37:55,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:37:55,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:37:55,136 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:37:55,139 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-09-25 04:37:55,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:37:55,142 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:37:55,145 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:37:55,145 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 04:37:55,146 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:37:55,146 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 04:37:55,146 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:37:55,146 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:37:55,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:37:55,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-09-25 04:37:55,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:37:55,147 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:37:55,180 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 18 proven. 8 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2020-09-25 04:37:55,181 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2104322245] [2020-09-25 04:37:55,181 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-25 04:37:55,181 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-09-25 04:37:55,181 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [572932203] [2020-09-25 04:37:55,182 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-25 04:37:55,182 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 04:37:55,182 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-25 04:37:55,182 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2020-09-25 04:37:55,182 INFO L87 Difference]: Start difference. First operand 1526 states and 1892 transitions. Second operand 9 states. [2020-09-25 04:37:57,611 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 04:37:57,612 INFO L93 Difference]: Finished difference Result 3467 states and 4421 transitions. [2020-09-25 04:37:57,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-09-25 04:37:57,612 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 254 [2020-09-25 04:37:57,613 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 04:37:57,625 INFO L225 Difference]: With dead ends: 3467 [2020-09-25 04:37:57,625 INFO L226 Difference]: Without dead ends: 1980 [2020-09-25 04:37:57,633 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 139 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=187, Invalid=463, Unknown=0, NotChecked=0, Total=650 [2020-09-25 04:37:57,635 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1980 states. [2020-09-25 04:37:57,714 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1980 to 1518. [2020-09-25 04:37:57,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1518 states. [2020-09-25 04:37:57,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1518 states to 1518 states and 1868 transitions. [2020-09-25 04:37:57,720 INFO L78 Accepts]: Start accepts. Automaton has 1518 states and 1868 transitions. Word has length 254 [2020-09-25 04:37:57,720 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 04:37:57,720 INFO L479 AbstractCegarLoop]: Abstraction has 1518 states and 1868 transitions. [2020-09-25 04:37:57,721 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-25 04:37:57,721 INFO L276 IsEmpty]: Start isEmpty. Operand 1518 states and 1868 transitions. [2020-09-25 04:37:57,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 255 [2020-09-25 04:37:57,727 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 04:37:57,727 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 04:37:57,728 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-09-25 04:37:57,728 INFO L427 AbstractCegarLoop]: === Iteration 7 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 04:37:57,728 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 04:37:57,728 INFO L82 PathProgramCache]: Analyzing trace with hash 266669055, now seen corresponding path program 1 times [2020-09-25 04:37:57,728 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 04:37:57,729 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1490195304] [2020-09-25 04:37:57,729 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 04:37:57,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:37:57,791 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:37:57,878 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:37:57,996 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:37:58,938 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:37:58,938 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 313 [2020-09-25 04:37:58,938 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 04:37:58,938 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1181 [2020-09-25 04:37:58,938 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:37:58,938 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:37:58,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 04:37:58,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 199 [2020-09-25 04:37:58,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-09-25 04:37:58,939 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 04:37:58,981 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 04:37:58,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:37:58,985 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:37:58,992 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:37:58,993 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-09-25 04:37:58,993 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:37:58,993 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 04:37:58,993 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:37:58,993 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:37:58,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:37:58,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:37:58,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:37:58,994 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 04:37:59,004 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-09-25 04:37:59,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:37:59,007 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:37:59,009 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:37:59,009 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 04:37:59,010 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:37:59,010 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 04:37:59,010 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:37:59,010 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:37:59,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:37:59,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:37:59,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:37:59,011 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 04:37:59,012 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-09-25 04:37:59,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:37:59,013 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:37:59,014 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:37:59,014 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:37:59,014 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:37:59,014 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 04:37:59,014 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:37:59,015 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:37:59,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:37:59,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:37:59,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:37:59,015 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 04:37:59,025 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-09-25 04:37:59,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:37:59,027 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:37:59,030 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:37:59,031 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 04:37:59,031 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:37:59,031 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 04:37:59,031 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:37:59,031 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:37:59,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:37:59,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:37:59,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:37:59,032 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 04:37:59,051 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-25 04:37:59,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:37:59,053 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:37:59,056 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:37:59,057 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 04:37:59,057 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:37:59,057 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 04:37:59,057 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:37:59,057 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:37:59,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:37:59,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:37:59,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:37:59,058 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 04:37:59,059 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-09-25 04:37:59,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:37:59,063 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:37:59,064 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:37:59,065 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-09-25 04:37:59,065 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:37:59,065 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:37:59,065 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:37:59,065 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:37:59,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:37:59,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:37:59,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:37:59,066 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 04:37:59,068 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 04:37:59,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:37:59,069 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:37:59,070 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:37:59,070 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 04:37:59,070 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:37:59,070 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 04:37:59,070 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:37:59,070 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:37:59,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:37:59,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:37:59,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:37:59,071 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 04:37:59,072 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-25 04:37:59,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:37:59,073 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:37:59,073 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:37:59,074 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 04:37:59,074 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:37:59,074 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 04:37:59,074 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:37:59,074 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:37:59,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:37:59,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:37:59,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:37:59,075 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 04:37:59,077 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-09-25 04:37:59,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:37:59,079 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:37:59,080 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:37:59,080 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 04:37:59,080 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:37:59,081 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:37:59,081 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:37:59,081 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:37:59,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:37:59,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:37:59,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:37:59,082 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 04:37:59,083 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 04:37:59,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:37:59,085 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:37:59,087 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:37:59,087 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 04:37:59,087 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:37:59,088 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 04:37:59,088 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:37:59,088 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:37:59,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:37:59,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:37:59,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:37:59,088 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 04:37:59,110 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-09-25 04:37:59,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:37:59,116 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:37:59,129 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:37:59,129 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 59 [2020-09-25 04:37:59,129 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:37:59,130 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-09-25 04:37:59,130 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:37:59,130 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:37:59,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:37:59,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:37:59,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:37:59,130 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 04:37:59,135 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-25 04:37:59,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:37:59,138 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:37:59,139 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:37:59,139 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-09-25 04:37:59,139 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:37:59,140 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 04:37:59,140 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:37:59,140 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:37:59,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:37:59,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:37:59,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:37:59,141 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 04:37:59,144 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 04:37:59,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:37:59,147 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:37:59,148 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:37:59,148 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-09-25 04:37:59,148 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:37:59,148 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:37:59,149 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:37:59,149 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:37:59,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:37:59,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:37:59,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:37:59,149 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 04:37:59,152 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 04:37:59,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:37:59,153 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:37:59,154 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:37:59,154 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 04:37:59,155 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:37:59,155 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 04:37:59,155 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:37:59,155 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:37:59,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:37:59,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:37:59,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:37:59,156 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:37:59,157 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-25 04:37:59,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:37:59,159 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:37:59,160 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:37:59,160 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 04:37:59,160 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:37:59,160 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 04:37:59,160 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:37:59,161 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:37:59,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:37:59,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:37:59,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:37:59,161 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 04:37:59,183 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2020-09-25 04:37:59,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:37:59,187 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:37:59,193 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:37:59,193 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 04:37:59,193 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:37:59,193 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 04:37:59,194 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:37:59,194 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:37:59,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 04:37:59,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:37:59,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 04:37:59,194 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 04:37:59,196 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2020-09-25 04:37:59,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:37:59,199 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:37:59,201 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:37:59,212 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:37:59,212 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-09-25 04:37:59,213 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 04:37:59,213 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-25 04:37:59,213 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:37:59,213 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:37:59,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 04:37:59,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:37:59,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 04:37:59,213 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 04:37:59,215 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2020-09-25 04:37:59,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:37:59,223 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:37:59,235 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:37:59,235 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-09-25 04:37:59,235 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:37:59,235 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-09-25 04:37:59,235 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:37:59,235 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:37:59,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:37:59,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 54 [2020-09-25 04:37:59,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:37:59,236 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 04:37:59,239 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-25 04:37:59,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:37:59,243 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:37:59,247 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:37:59,247 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-09-25 04:37:59,247 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:37:59,247 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 04:37:59,247 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:37:59,247 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:37:59,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:37:59,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:37:59,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:37:59,248 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 04:37:59,250 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 04:37:59,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:37:59,253 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:37:59,261 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:37:59,261 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 39 [2020-09-25 04:37:59,261 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:37:59,261 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 04:37:59,261 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:37:59,261 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:37:59,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:37:59,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:37:59,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:37:59,262 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 04:37:59,265 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 04:37:59,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:37:59,266 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:37:59,267 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:37:59,267 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-09-25 04:37:59,267 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:37:59,267 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 04:37:59,268 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:37:59,268 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:37:59,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:37:59,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:37:59,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:37:59,268 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 04:37:59,269 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-09-25 04:37:59,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:37:59,271 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:37:59,273 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:37:59,273 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-09-25 04:37:59,273 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:37:59,274 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 04:37:59,274 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:37:59,274 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:37:59,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:37:59,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:37:59,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:37:59,274 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 04:37:59,277 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-09-25 04:37:59,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:37:59,279 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:37:59,281 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:37:59,282 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 04:37:59,282 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:37:59,282 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 04:37:59,282 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:37:59,282 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:37:59,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:37:59,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-09-25 04:37:59,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:37:59,282 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 04:37:59,312 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 40 proven. 2 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2020-09-25 04:37:59,313 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1490195304] [2020-09-25 04:37:59,313 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-25 04:37:59,313 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-09-25 04:37:59,313 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [324688211] [2020-09-25 04:37:59,314 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-25 04:37:59,314 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 04:37:59,314 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-25 04:37:59,315 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2020-09-25 04:37:59,315 INFO L87 Difference]: Start difference. First operand 1518 states and 1868 transitions. Second operand 9 states. [2020-09-25 04:38:01,999 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 04:38:01,999 INFO L93 Difference]: Finished difference Result 4925 states and 6315 transitions. [2020-09-25 04:38:02,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-09-25 04:38:02,000 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 254 [2020-09-25 04:38:02,000 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 04:38:02,021 INFO L225 Difference]: With dead ends: 4925 [2020-09-25 04:38:02,021 INFO L226 Difference]: Without dead ends: 3446 [2020-09-25 04:38:02,030 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 107 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=160, Invalid=392, Unknown=0, NotChecked=0, Total=552 [2020-09-25 04:38:02,034 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3446 states. [2020-09-25 04:38:02,179 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3446 to 2710. [2020-09-25 04:38:02,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2710 states. [2020-09-25 04:38:02,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2710 states to 2710 states and 3357 transitions. [2020-09-25 04:38:02,190 INFO L78 Accepts]: Start accepts. Automaton has 2710 states and 3357 transitions. Word has length 254 [2020-09-25 04:38:02,191 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 04:38:02,191 INFO L479 AbstractCegarLoop]: Abstraction has 2710 states and 3357 transitions. [2020-09-25 04:38:02,191 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-25 04:38:02,191 INFO L276 IsEmpty]: Start isEmpty. Operand 2710 states and 3357 transitions. [2020-09-25 04:38:02,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 261 [2020-09-25 04:38:02,203 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 04:38:02,203 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 04:38:02,204 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-09-25 04:38:02,204 INFO L427 AbstractCegarLoop]: === Iteration 8 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 04:38:02,204 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 04:38:02,204 INFO L82 PathProgramCache]: Analyzing trace with hash -622546722, now seen corresponding path program 1 times [2020-09-25 04:38:02,204 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 04:38:02,205 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1723470883] [2020-09-25 04:38:02,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 04:38:02,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:38:02,288 FATAL L256 erpolLogProxyWrapper]: Now shrinking...