/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 SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=BIGGEST --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/systemc/token_ring.11.cil-1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-12 21:07:46,278 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-12 21:07:46,280 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-12 21:07:46,307 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-12 21:07:46,307 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-12 21:07:46,308 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-12 21:07:46,310 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-12 21:07:46,312 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-12 21:07:46,313 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-12 21:07:46,314 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-12 21:07:46,315 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-12 21:07:46,317 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-12 21:07:46,317 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-12 21:07:46,318 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-12 21:07:46,319 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-12 21:07:46,320 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-12 21:07:46,321 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-12 21:07:46,322 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-12 21:07:46,324 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-12 21:07:46,326 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-12 21:07:46,327 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-12 21:07:46,329 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-12 21:07:46,330 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-12 21:07:46,331 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-12 21:07:46,333 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-12 21:07:46,334 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-12 21:07:46,334 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-12 21:07:46,335 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-12 21:07:46,335 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-12 21:07:46,336 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-12 21:07:46,337 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-12 21:07:46,337 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-12 21:07:46,338 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-12 21:07:46,339 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-12 21:07:46,340 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-12 21:07:46,340 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-12 21:07:46,341 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-12 21:07:46,341 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-12 21:07:46,341 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-12 21:07:46,342 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-12 21:07:46,343 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-12 21:07:46,344 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-12 21:07:46,377 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-12 21:07:46,377 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-12 21:07:46,378 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-12 21:07:46,379 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-12 21:07:46,379 INFO L138 SettingsManager]: * Use SBE=true [2020-10-12 21:07:46,383 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-12 21:07:46,384 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-12 21:07:46,384 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-12 21:07:46,384 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-12 21:07:46,384 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-12 21:07:46,384 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-12 21:07:46,385 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-12 21:07:46,385 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-12 21:07:46,385 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-12 21:07:46,385 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-12 21:07:46,385 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-12 21:07:46,386 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-12 21:07:46,386 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-12 21:07:46,386 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-12 21:07:46,386 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-12 21:07:46,386 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-12 21:07:46,387 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-12 21:07:46,387 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-12 21:07:46,388 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-12 21:07:46,388 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-12 21:07:46,388 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-12 21:07:46,389 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-12 21:07:46,389 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-12 21:07:46,389 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-12 21:07:46,389 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 -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=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=BIGGEST;log-additional-information=true;unknown-allowed=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=BIGGEST;log-additional-information=true;unknown-allowed=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=BIGGEST;log-additional-information=true;unknown-allowed=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=BIGGEST;log-additional-information=true;unknown-allowed=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=BIGGEST;log-additional-information=true;unknown-allowed=true; [2020-10-12 21:07:46,723 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-12 21:07:46,735 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-12 21:07:46,738 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-12 21:07:46,739 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-12 21:07:46,740 INFO L275 PluginConnector]: CDTParser initialized [2020-10-12 21:07:46,741 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/systemc/token_ring.11.cil-1.c [2020-10-12 21:07:46,820 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/88fea9510/e2d5a42713394128a8b401c8c62b8d7b/FLAG341348a1c [2020-10-12 21:07:47,325 INFO L306 CDTParser]: Found 1 translation units. [2020-10-12 21:07:47,327 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/systemc/token_ring.11.cil-1.c [2020-10-12 21:07:47,341 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/88fea9510/e2d5a42713394128a8b401c8c62b8d7b/FLAG341348a1c [2020-10-12 21:07:47,637 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/88fea9510/e2d5a42713394128a8b401c8c62b8d7b [2020-10-12 21:07:47,647 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-12 21:07:47,648 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-12 21:07:47,649 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-12 21:07:47,649 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-12 21:07:47,653 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-12 21:07:47,654 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 09:07:47" (1/1) ... [2020-10-12 21:07:47,657 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c1aada5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 09:07:47, skipping insertion in model container [2020-10-12 21:07:47,657 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 09:07:47" (1/1) ... [2020-10-12 21:07:47,665 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-12 21:07:47,726 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-12 21:07:48,096 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-12 21:07:48,107 INFO L203 MainTranslator]: Completed pre-run [2020-10-12 21:07:48,293 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-12 21:07:48,321 INFO L208 MainTranslator]: Completed translation [2020-10-12 21:07:48,322 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 09:07:48 WrapperNode [2020-10-12 21:07:48,322 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-12 21:07:48,323 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-12 21:07:48,323 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-12 21:07:48,323 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-12 21:07:48,334 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 09:07:48" (1/1) ... [2020-10-12 21:07:48,334 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 09:07:48" (1/1) ... [2020-10-12 21:07:48,348 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 09:07:48" (1/1) ... [2020-10-12 21:07:48,348 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 09:07:48" (1/1) ... [2020-10-12 21:07:48,371 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 09:07:48" (1/1) ... [2020-10-12 21:07:48,397 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 09:07:48" (1/1) ... [2020-10-12 21:07:48,401 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 09:07:48" (1/1) ... [2020-10-12 21:07:48,408 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-12 21:07:48,409 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-12 21:07:48,409 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-12 21:07:48,409 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-12 21:07:48,410 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 09:07:48" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-12 21:07:48,488 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-12 21:07:48,488 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-12 21:07:48,488 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2020-10-12 21:07:48,488 INFO L138 BoogieDeclarations]: Found implementation of procedure master [2020-10-12 21:07:48,488 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit1 [2020-10-12 21:07:48,488 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit2 [2020-10-12 21:07:48,488 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit3 [2020-10-12 21:07:48,489 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit4 [2020-10-12 21:07:48,489 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit5 [2020-10-12 21:07:48,489 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit6 [2020-10-12 21:07:48,489 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit7 [2020-10-12 21:07:48,489 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit8 [2020-10-12 21:07:48,489 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit9 [2020-10-12 21:07:48,489 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit10 [2020-10-12 21:07:48,489 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit11 [2020-10-12 21:07:48,490 INFO L138 BoogieDeclarations]: Found implementation of procedure is_master_triggered [2020-10-12 21:07:48,490 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit1_triggered [2020-10-12 21:07:48,490 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit2_triggered [2020-10-12 21:07:48,490 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit3_triggered [2020-10-12 21:07:48,490 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit4_triggered [2020-10-12 21:07:48,490 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit5_triggered [2020-10-12 21:07:48,490 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit6_triggered [2020-10-12 21:07:48,491 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit7_triggered [2020-10-12 21:07:48,491 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit8_triggered [2020-10-12 21:07:48,491 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit9_triggered [2020-10-12 21:07:48,491 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit10_triggered [2020-10-12 21:07:48,491 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit11_triggered [2020-10-12 21:07:48,491 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels [2020-10-12 21:07:48,492 INFO L138 BoogieDeclarations]: Found implementation of procedure init_threads [2020-10-12 21:07:48,492 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2020-10-12 21:07:48,492 INFO L138 BoogieDeclarations]: Found implementation of procedure eval [2020-10-12 21:07:48,492 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events [2020-10-12 21:07:48,492 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events [2020-10-12 21:07:48,492 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads [2020-10-12 21:07:48,493 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2020-10-12 21:07:48,493 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_time_events [2020-10-12 21:07:48,493 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_time_events [2020-10-12 21:07:48,493 INFO L138 BoogieDeclarations]: Found implementation of procedure init_model [2020-10-12 21:07:48,493 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_simulation [2020-10-12 21:07:48,493 INFO L138 BoogieDeclarations]: Found implementation of procedure start_simulation [2020-10-12 21:07:48,494 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-12 21:07:48,494 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-12 21:07:48,494 INFO L130 BoogieDeclarations]: Found specification of procedure error [2020-10-12 21:07:48,494 INFO L130 BoogieDeclarations]: Found specification of procedure is_master_triggered [2020-10-12 21:07:48,494 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit1_triggered [2020-10-12 21:07:48,494 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit2_triggered [2020-10-12 21:07:48,494 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit3_triggered [2020-10-12 21:07:48,494 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit4_triggered [2020-10-12 21:07:48,494 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit5_triggered [2020-10-12 21:07:48,495 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit6_triggered [2020-10-12 21:07:48,495 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit7_triggered [2020-10-12 21:07:48,495 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit8_triggered [2020-10-12 21:07:48,495 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit9_triggered [2020-10-12 21:07:48,496 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit10_triggered [2020-10-12 21:07:48,496 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit11_triggered [2020-10-12 21:07:48,496 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2020-10-12 21:07:48,496 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-12 21:07:48,496 INFO L130 BoogieDeclarations]: Found specification of procedure master [2020-10-12 21:07:48,496 INFO L130 BoogieDeclarations]: Found specification of procedure transmit1 [2020-10-12 21:07:48,496 INFO L130 BoogieDeclarations]: Found specification of procedure transmit2 [2020-10-12 21:07:48,497 INFO L130 BoogieDeclarations]: Found specification of procedure transmit3 [2020-10-12 21:07:48,497 INFO L130 BoogieDeclarations]: Found specification of procedure transmit4 [2020-10-12 21:07:48,497 INFO L130 BoogieDeclarations]: Found specification of procedure transmit5 [2020-10-12 21:07:48,497 INFO L130 BoogieDeclarations]: Found specification of procedure transmit6 [2020-10-12 21:07:48,497 INFO L130 BoogieDeclarations]: Found specification of procedure transmit7 [2020-10-12 21:07:48,497 INFO L130 BoogieDeclarations]: Found specification of procedure transmit8 [2020-10-12 21:07:48,497 INFO L130 BoogieDeclarations]: Found specification of procedure transmit9 [2020-10-12 21:07:48,497 INFO L130 BoogieDeclarations]: Found specification of procedure transmit10 [2020-10-12 21:07:48,498 INFO L130 BoogieDeclarations]: Found specification of procedure transmit11 [2020-10-12 21:07:48,498 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels [2020-10-12 21:07:48,498 INFO L130 BoogieDeclarations]: Found specification of procedure init_threads [2020-10-12 21:07:48,498 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2020-10-12 21:07:48,498 INFO L130 BoogieDeclarations]: Found specification of procedure eval [2020-10-12 21:07:48,499 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events [2020-10-12 21:07:48,499 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events [2020-10-12 21:07:48,499 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads [2020-10-12 21:07:48,499 INFO L130 BoogieDeclarations]: Found specification of procedure fire_time_events [2020-10-12 21:07:48,499 INFO L130 BoogieDeclarations]: Found specification of procedure reset_time_events [2020-10-12 21:07:48,499 INFO L130 BoogieDeclarations]: Found specification of procedure init_model [2020-10-12 21:07:48,500 INFO L130 BoogieDeclarations]: Found specification of procedure stop_simulation [2020-10-12 21:07:48,500 INFO L130 BoogieDeclarations]: Found specification of procedure start_simulation [2020-10-12 21:07:48,500 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-12 21:07:48,500 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-12 21:07:48,500 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-12 21:07:49,566 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-12 21:07:49,566 INFO L295 CfgBuilder]: Removed 14 assume(true) statements. [2020-10-12 21:07:49,574 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 09:07:49 BoogieIcfgContainer [2020-10-12 21:07:49,575 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-12 21:07:49,576 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-12 21:07:49,576 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-12 21:07:49,579 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-12 21:07:49,580 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.10 09:07:47" (1/3) ... [2020-10-12 21:07:49,581 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d8d1172 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 09:07:49, skipping insertion in model container [2020-10-12 21:07:49,581 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 09:07:48" (2/3) ... [2020-10-12 21:07:49,581 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d8d1172 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 09:07:49, skipping insertion in model container [2020-10-12 21:07:49,581 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 09:07:49" (3/3) ... [2020-10-12 21:07:49,583 INFO L109 eAbstractionObserver]: Analyzing ICFG token_ring.11.cil-1.c [2020-10-12 21:07:49,593 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-12 21:07:49,602 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-12 21:07:49,617 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-12 21:07:49,644 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-12 21:07:49,645 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-12 21:07:49,645 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-12 21:07:49,645 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-12 21:07:49,645 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-12 21:07:49,645 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-12 21:07:49,645 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-12 21:07:49,645 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-12 21:07:49,675 INFO L276 IsEmpty]: Start isEmpty. Operand 451 states. [2020-10-12 21:07:49,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2020-10-12 21:07:49,703 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 21:07:49,704 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 21:07:49,704 INFO L427 AbstractCegarLoop]: === Iteration 1 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 21:07:49,711 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 21:07:49,711 INFO L82 PathProgramCache]: Analyzing trace with hash 1039825575, now seen corresponding path program 1 times [2020-10-12 21:07:49,720 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 21:07:49,720 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [350371905] [2020-10-12 21:07:49,721 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 21:07:50,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:50,203 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:50,350 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:50,615 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:50,769 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:50,894 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:50,974 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:51,052 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:51,160 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:55,073 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:55,074 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 270 [2020-10-12 21:07:55,074 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-12 21:07:55,074 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5027 [2020-10-12 21:07:55,077 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:55,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 21:07:55,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 21:07:55,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-12 21:07:55,078 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-12 21:07:55,513 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-12 21:07:55,516 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:07:55,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:55,532 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:55,553 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:55,553 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:07:55,553 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:55,553 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-12 21:07:55,553 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:55,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:07:55,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:07:55,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 21:07:55,558 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-12 21:07:55,604 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 21:07:55,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:55,610 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:55,616 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:55,617 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:07:55,617 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:55,617 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 21:07:55,617 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:55,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:07:55,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:07:55,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 21:07:55,618 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:55,621 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 21:07:55,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:55,623 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:55,625 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:55,625 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 21:07:55,625 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:55,625 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:07:55,626 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:55,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:07:55,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:07:55,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 21:07:55,627 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:55,662 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-12 21:07:55,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:55,669 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:55,681 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:55,681 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-12 21:07:55,681 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:55,682 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-12 21:07:55,682 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:55,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:07:55,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:07:55,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-12 21:07:55,683 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:55,766 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-12 21:07:55,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:55,778 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:55,820 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:55,820 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-12 21:07:55,820 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:55,821 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 46 [2020-10-12 21:07:55,821 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:55,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:07:55,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 21:07:55,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-12 21:07:55,822 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:55,848 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-12 21:07:55,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:55,875 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:55,896 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:55,918 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:55,936 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:55,952 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:55,964 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:56,919 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:00,868 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:00,868 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 140 [2020-10-12 21:08:00,869 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-12 21:08:00,872 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5005 [2020-10-12 21:08:00,872 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:00,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 21:08:00,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 52 [2020-10-12 21:08:00,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 21:08:00,873 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:08:00,974 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:08:00,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:00,976 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:00,978 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:00,979 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:08:00,979 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:00,979 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:08:00,979 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:00,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:08:00,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:08:00,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:08:00,980 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:08:00,982 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 21:08:00,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:00,986 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:00,991 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:00,991 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:08:00,992 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:00,992 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 21:08:00,992 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:00,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:08:00,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:08:00,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:08:00,993 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:08:00,995 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-12 21:08:00,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:00,996 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:00,997 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:00,998 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:08:00,998 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:00,998 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:08:00,998 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:00,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:08:00,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:08:00,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:08:00,999 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:08:01,001 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-12 21:08:01,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:01,006 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:01,011 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:01,011 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:08:01,012 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:01,012 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 21:08:01,012 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:01,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:08:01,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:08:01,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:08:01,013 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:08:01,014 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-12 21:08:01,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:01,019 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:01,023 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:01,024 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:08:01,024 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:01,024 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 21:08:01,024 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:01,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:08:01,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:08:01,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 21:08:01,034 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 9 [2020-10-12 21:08:01,077 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-12 21:08:01,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:01,079 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:01,081 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:01,082 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:08:01,082 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:01,082 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:08:01,083 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:01,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:08:01,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:08:01,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:08:01,083 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:08:01,086 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-12 21:08:01,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:01,088 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:01,096 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:01,096 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:08:01,096 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:01,097 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-12 21:08:01,097 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:01,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:08:01,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:08:01,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:08:01,098 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:08:01,099 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-12 21:08:01,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:01,101 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:01,104 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:01,104 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:08:01,104 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:01,104 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 21:08:01,104 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:01,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:08:01,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:08:01,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:08:01,105 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:08:01,107 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-12 21:08:01,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:01,113 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:01,115 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:01,116 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:08:01,116 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:01,116 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 21:08:01,116 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:01,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:08:01,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:08:01,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:08:01,117 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:08:01,120 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-12 21:08:01,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:01,123 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:01,127 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:01,127 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:08:01,127 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:01,127 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 21:08:01,128 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:01,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:08:01,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:08:01,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:08:01,128 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:08:01,132 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-12 21:08:01,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:01,134 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:01,136 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:01,137 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:08:01,137 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:01,137 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 21:08:01,137 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:01,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:08:01,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:08:01,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:08:01,138 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:08:01,140 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-12 21:08:01,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:01,142 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:01,144 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:01,144 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:08:01,144 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:01,144 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:08:01,145 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:01,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:08:01,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:08:01,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:08:01,145 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:08:01,159 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2020-10-12 21:08:01,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:01,171 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:01,180 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:01,180 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-12 21:08:01,180 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:01,181 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-12 21:08:01,181 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:01,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:08:01,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 28 [2020-10-12 21:08:01,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:08:01,182 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:08:01,187 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2020-10-12 21:08:01,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:01,190 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:01,191 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:01,192 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:08:01,192 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:01,192 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:08:01,192 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:01,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:08:01,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 21:08:01,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:08:01,193 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:08:01,269 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-12 21:08:01,270 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [350371905] [2020-10-12 21:08:01,272 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 21:08:01,272 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-12 21:08:01,274 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1282851863] [2020-10-12 21:08:01,283 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-12 21:08:01,283 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 21:08:01,298 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-12 21:08:01,299 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2020-10-12 21:08:01,301 INFO L87 Difference]: Start difference. First operand 451 states. Second operand 12 states. [2020-10-12 21:08:01,610 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-12 21:08:01,754 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2020-10-12 21:08:01,991 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2020-10-12 21:08:03,954 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-10-12 21:08:04,221 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-10-12 21:08:04,502 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-10-12 21:08:04,638 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-12 21:08:04,907 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-10-12 21:08:05,029 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-12 21:08:11,715 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-12 21:08:11,947 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-10-12 21:08:12,212 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-10-12 21:08:12,567 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-10-12 21:08:17,477 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 21:08:17,478 INFO L93 Difference]: Finished difference Result 1887 states and 3173 transitions. [2020-10-12 21:08:17,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2020-10-12 21:08:17,480 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 218 [2020-10-12 21:08:17,481 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 21:08:17,515 INFO L225 Difference]: With dead ends: 1887 [2020-10-12 21:08:17,516 INFO L226 Difference]: Without dead ends: 1446 [2020-10-12 21:08:17,525 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 225 ImplicationChecksByTransitivity, 3.8s TimeCoverageRelationStatistics Valid=232, Invalid=824, Unknown=0, NotChecked=0, Total=1056 [2020-10-12 21:08:17,548 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1446 states. [2020-10-12 21:08:17,775 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1446 to 877. [2020-10-12 21:08:17,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 877 states. [2020-10-12 21:08:17,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 877 states to 877 states and 1297 transitions. [2020-10-12 21:08:17,785 INFO L78 Accepts]: Start accepts. Automaton has 877 states and 1297 transitions. Word has length 218 [2020-10-12 21:08:17,785 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 21:08:17,786 INFO L479 AbstractCegarLoop]: Abstraction has 877 states and 1297 transitions. [2020-10-12 21:08:17,786 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-12 21:08:17,786 INFO L276 IsEmpty]: Start isEmpty. Operand 877 states and 1297 transitions. [2020-10-12 21:08:17,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2020-10-12 21:08:17,793 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 21:08:17,793 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 21:08:17,793 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-12 21:08:17,794 INFO L427 AbstractCegarLoop]: === Iteration 2 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 21:08:17,794 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 21:08:17,794 INFO L82 PathProgramCache]: Analyzing trace with hash 1515873129, now seen corresponding path program 1 times [2020-10-12 21:08:17,794 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 21:08:17,795 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [923762547] [2020-10-12 21:08:17,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 21:08:17,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:17,855 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:17,893 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:18,033 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:18,083 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:18,133 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:18,176 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:18,888 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:22,841 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:22,841 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 270 [2020-10-12 21:08:22,841 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-12 21:08:22,841 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5007 [2020-10-12 21:08:22,842 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:22,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 21:08:22,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 21:08:22,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 44 [2020-10-12 21:08:22,842 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:08:23,137 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-12 21:08:23,138 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:08:23,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:23,152 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:23,168 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:23,168 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:08:23,168 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:23,168 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-12 21:08:23,169 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:23,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:08:23,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:08:23,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 21:08:23,169 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:08:23,217 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 21:08:23,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:23,222 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:23,225 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:23,225 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:08:23,226 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:23,226 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 21:08:23,226 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:23,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:08:23,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:08:23,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 21:08:23,227 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:08:23,230 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 21:08:23,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:23,231 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:23,232 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:23,233 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 21:08:23,233 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:23,233 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:08:23,233 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:23,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:08:23,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:08:23,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 21:08:23,234 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:08:23,266 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-12 21:08:23,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:23,276 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:23,281 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:23,282 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-12 21:08:23,282 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:23,282 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 21:08:23,282 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:23,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:08:23,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:08:23,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-12 21:08:23,283 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:08:23,344 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-12 21:08:23,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:23,354 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:23,385 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:23,385 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-12 21:08:23,385 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:23,386 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-10-12 21:08:23,386 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:23,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:08:23,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 21:08:23,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-12 21:08:23,387 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:08:23,437 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-12 21:08:23,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:23,458 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:23,473 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:23,488 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:23,502 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:23,512 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:23,649 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:27,366 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:28,452 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:28,452 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 140 [2020-10-12 21:08:28,452 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-12 21:08:28,452 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-12 21:08:28,453 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:28,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 21:08:28,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 30 [2020-10-12 21:08:28,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 21:08:28,453 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:08:28,494 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:08:28,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:28,496 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:28,497 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:28,497 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:08:28,497 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:28,497 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:08:28,498 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:28,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:08:28,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:08:28,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:08:28,498 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:08:28,499 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 21:08:28,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:28,501 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:28,502 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:28,502 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:08:28,502 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:28,502 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:08:28,502 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:28,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:08:28,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:08:28,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:08:28,503 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:08:28,504 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-12 21:08:28,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:28,506 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:28,509 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:28,509 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:08:28,509 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:28,510 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 21:08:28,510 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:28,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:08:28,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:08:28,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 21:08:28,511 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:08:28,544 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-12 21:08:28,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:28,546 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:28,547 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:28,547 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:08:28,547 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:28,548 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:08:28,548 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:28,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:08:28,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:08:28,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:08:28,548 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:08:28,550 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-12 21:08:28,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:28,551 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:28,552 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:28,552 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:08:28,552 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:28,553 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:08:28,553 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:28,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:08:28,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:08:28,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:08:28,554 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:08:28,555 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-12 21:08:28,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:28,556 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:28,558 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:28,558 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:08:28,558 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:28,558 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:08:28,559 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:28,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:08:28,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:08:28,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:08:28,559 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:08:28,561 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-12 21:08:28,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:28,562 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:28,563 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:28,564 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:08:28,564 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:28,564 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:08:28,564 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:28,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:08:28,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:08:28,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:08:28,565 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:08:28,566 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-12 21:08:28,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:28,568 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:28,569 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:28,569 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:08:28,569 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:28,569 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:08:28,570 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:28,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:08:28,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:08:28,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:08:28,570 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:08:28,572 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-12 21:08:28,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:28,573 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:28,574 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:28,574 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:08:28,575 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:28,575 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:08:28,575 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:28,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:08:28,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:08:28,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:08:28,576 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:08:28,577 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-12 21:08:28,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:28,578 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:28,579 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:28,579 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:08:28,580 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:28,580 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:08:28,580 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:28,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:08:28,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:08:28,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:08:28,581 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:08:28,582 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-12 21:08:28,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:28,584 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:28,585 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:28,585 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:08:28,585 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:28,585 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:08:28,586 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:28,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:08:28,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:08:28,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:08:28,586 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:08:28,587 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-12 21:08:28,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:28,589 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:28,590 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:28,591 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:08:28,591 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:28,591 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:08:28,591 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:28,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:08:28,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:08:28,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:08:28,592 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:08:28,611 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2020-10-12 21:08:28,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:28,620 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:28,630 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:28,630 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-12 21:08:28,631 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:28,631 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-12 21:08:28,631 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:28,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:08:28,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 28 [2020-10-12 21:08:28,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:08:28,633 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:08:28,640 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2020-10-12 21:08:28,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:28,642 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:28,644 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:28,644 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:08:28,644 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:28,645 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:08:28,645 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:28,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:08:28,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 21:08:28,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:08:28,646 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:08:28,794 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-12 21:08:28,795 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [923762547] [2020-10-12 21:08:28,795 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 21:08:28,795 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-10-12 21:08:28,796 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1743914238] [2020-10-12 21:08:28,798 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-12 21:08:28,799 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 21:08:28,799 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-12 21:08:28,800 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2020-10-12 21:08:28,800 INFO L87 Difference]: Start difference. First operand 877 states and 1297 transitions. Second operand 13 states. [2020-10-12 21:08:29,158 WARN L193 SmtUtils]: Spent 299.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-12 21:08:29,316 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2020-10-12 21:08:29,580 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2020-10-12 21:08:31,060 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-10-12 21:08:31,302 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-10-12 21:08:31,657 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-10-12 21:08:32,003 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-10-12 21:08:38,854 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 21:08:38,854 INFO L93 Difference]: Finished difference Result 2291 states and 3589 transitions. [2020-10-12 21:08:38,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-12 21:08:38,855 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 218 [2020-10-12 21:08:38,858 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 21:08:38,876 INFO L225 Difference]: With dead ends: 2291 [2020-10-12 21:08:38,876 INFO L226 Difference]: Without dead ends: 1443 [2020-10-12 21:08:38,882 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=144, Invalid=408, Unknown=0, NotChecked=0, Total=552 [2020-10-12 21:08:38,884 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1443 states. [2020-10-12 21:08:39,062 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1443 to 887. [2020-10-12 21:08:39,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 887 states. [2020-10-12 21:08:39,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 887 states to 887 states and 1300 transitions. [2020-10-12 21:08:39,071 INFO L78 Accepts]: Start accepts. Automaton has 887 states and 1300 transitions. Word has length 218 [2020-10-12 21:08:39,072 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 21:08:39,072 INFO L479 AbstractCegarLoop]: Abstraction has 887 states and 1300 transitions. [2020-10-12 21:08:39,072 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-12 21:08:39,072 INFO L276 IsEmpty]: Start isEmpty. Operand 887 states and 1300 transitions. [2020-10-12 21:08:39,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2020-10-12 21:08:39,080 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 21:08:39,081 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 21:08:39,081 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-12 21:08:39,081 INFO L427 AbstractCegarLoop]: === Iteration 3 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 21:08:39,081 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 21:08:39,082 INFO L82 PathProgramCache]: Analyzing trace with hash 1278283051, now seen corresponding path program 1 times [2020-10-12 21:08:39,082 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 21:08:39,083 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1526661265] [2020-10-12 21:08:39,083 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 21:08:39,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:39,125 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:39,155 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:39,218 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:39,267 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:39,345 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:39,383 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:39,421 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:39,555 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:42,178 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:42,328 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:44,128 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:44,129 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 270 [2020-10-12 21:08:44,129 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 10 [2020-10-12 21:08:44,129 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5015 [2020-10-12 21:08:44,129 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:44,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 21:08:44,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 21:08:44,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 46 [2020-10-12 21:08:44,130 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:08:44,367 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-12 21:08:44,368 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:08:44,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:44,378 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:44,390 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:44,390 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:08:44,390 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:44,390 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-12 21:08:44,391 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:44,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:08:44,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:08:44,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 21:08:44,391 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:08:44,428 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 21:08:44,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:44,433 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:44,437 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:44,438 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:08:44,438 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:44,438 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 21:08:44,438 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:44,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:08:44,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:08:44,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 21:08:44,439 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:08:44,441 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 21:08:44,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:44,442 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:44,444 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:44,444 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 21:08:44,444 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:44,444 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:08:44,445 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:44,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:08:44,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:08:44,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 21:08:44,445 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:08:44,472 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-12 21:08:44,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:44,478 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:44,487 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:44,487 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-12 21:08:44,488 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:44,488 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-12 21:08:44,488 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:44,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:08:44,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:08:44,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-12 21:08:44,489 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:08:44,546 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-12 21:08:44,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:44,553 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:44,577 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:44,577 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-12 21:08:44,578 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:44,578 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-12 21:08:44,578 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:44,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:08:44,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 21:08:44,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-12 21:08:44,579 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:08:44,604 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-12 21:08:44,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:44,620 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:44,630 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:44,641 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:44,650 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:44,673 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:45,261 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:49,617 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:49,617 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 140 [2020-10-12 21:08:49,617 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-12 21:08:49,617 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-12 21:08:49,617 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:49,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 21:08:49,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 96 [2020-10-12 21:08:49,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 21:08:49,618 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:08:49,659 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:08:49,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:49,660 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:49,662 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:49,662 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:08:49,662 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:49,663 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:08:49,663 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:49,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:08:49,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:08:49,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:08:49,664 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:08:49,665 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 21:08:49,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:49,666 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:49,667 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:49,667 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:08:49,667 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:49,668 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:08:49,668 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:49,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:08:49,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:08:49,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:08:49,669 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:08:49,670 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-12 21:08:49,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:49,671 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:49,672 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:49,672 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:08:49,672 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:49,672 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:08:49,673 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:49,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:08:49,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:08:49,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:08:49,673 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:08:49,674 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-12 21:08:49,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:49,676 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:49,677 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:49,677 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:08:49,677 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:49,677 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:08:49,677 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:49,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:08:49,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:08:49,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:08:49,678 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:08:49,679 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-12 21:08:49,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:49,680 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:49,681 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:49,681 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:08:49,682 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:49,682 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:08:49,682 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:49,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:08:49,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:08:49,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:08:49,683 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:08:49,684 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-12 21:08:49,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:49,685 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:49,686 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:49,686 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:08:49,686 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:49,686 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:08:49,687 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:49,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:08:49,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:08:49,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:08:49,687 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:08:49,688 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-12 21:08:49,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:49,689 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:49,690 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:49,690 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:08:49,690 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:49,690 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:08:49,690 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:49,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:08:49,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:08:49,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:08:49,691 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:08:49,691 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-12 21:08:49,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:49,693 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:49,694 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:49,694 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:08:49,694 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:49,694 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:08:49,694 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:49,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:08:49,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:08:49,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:08:49,695 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:08:49,696 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-12 21:08:49,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:49,698 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:49,701 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:49,701 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:08:49,701 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:49,701 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 21:08:49,701 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:49,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:08:49,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:08:49,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 21:08:49,702 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:08:49,734 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-12 21:08:49,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:49,736 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:49,737 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:49,737 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:08:49,738 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:49,738 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:08:49,738 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:49,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:08:49,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:08:49,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:08:49,738 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:08:49,739 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-12 21:08:49,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:49,740 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:49,741 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:49,741 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:08:49,741 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:49,741 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:08:49,741 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:49,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:08:49,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:08:49,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:08:49,742 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:08:49,743 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-12 21:08:49,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:49,744 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:49,745 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:49,745 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:08:49,745 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:49,745 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:08:49,745 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:49,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:08:49,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:08:49,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:08:49,746 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:08:49,754 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2020-10-12 21:08:49,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:49,760 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:49,766 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:49,766 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-12 21:08:49,766 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:49,766 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 21:08:49,767 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:49,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:08:49,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 28 [2020-10-12 21:08:49,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:08:49,767 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:08:49,771 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2020-10-12 21:08:49,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:49,773 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:49,774 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:49,774 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:08:49,774 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:49,774 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:08:49,775 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:49,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:08:49,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 21:08:49,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:08:49,775 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:08:49,855 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-12 21:08:49,855 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1526661265] [2020-10-12 21:08:49,856 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 21:08:49,856 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-10-12 21:08:49,856 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1320178686] [2020-10-12 21:08:49,856 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-12 21:08:49,857 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 21:08:49,857 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-12 21:08:49,857 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2020-10-12 21:08:49,857 INFO L87 Difference]: Start difference. First operand 887 states and 1300 transitions. Second operand 13 states. [2020-10-12 21:08:50,093 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-12 21:08:52,401 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-10-12 21:08:52,648 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-10-12 21:08:52,888 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-10-12 21:08:53,264 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-10-12 21:08:59,510 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 21:08:59,510 INFO L93 Difference]: Finished difference Result 2275 states and 3534 transitions. [2020-10-12 21:08:59,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-12 21:08:59,511 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 218 [2020-10-12 21:08:59,511 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 21:08:59,520 INFO L225 Difference]: With dead ends: 2275 [2020-10-12 21:08:59,520 INFO L226 Difference]: Without dead ends: 1417 [2020-10-12 21:08:59,525 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=143, Invalid=409, Unknown=0, NotChecked=0, Total=552 [2020-10-12 21:08:59,527 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1417 states. [2020-10-12 21:08:59,640 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1417 to 897. [2020-10-12 21:08:59,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 897 states. [2020-10-12 21:08:59,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 897 states to 897 states and 1303 transitions. [2020-10-12 21:08:59,645 INFO L78 Accepts]: Start accepts. Automaton has 897 states and 1303 transitions. Word has length 218 [2020-10-12 21:08:59,645 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 21:08:59,645 INFO L479 AbstractCegarLoop]: Abstraction has 897 states and 1303 transitions. [2020-10-12 21:08:59,645 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-12 21:08:59,645 INFO L276 IsEmpty]: Start isEmpty. Operand 897 states and 1303 transitions. [2020-10-12 21:08:59,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2020-10-12 21:08:59,649 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 21:08:59,649 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 21:08:59,649 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-12 21:08:59,650 INFO L427 AbstractCegarLoop]: === Iteration 4 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 21:08:59,650 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 21:08:59,650 INFO L82 PathProgramCache]: Analyzing trace with hash -1252681877, now seen corresponding path program 1 times [2020-10-12 21:08:59,650 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 21:08:59,651 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1237833448] [2020-10-12 21:08:59,651 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 21:08:59,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:59,698 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:59,730 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:59,810 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:59,896 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:59,951 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:59,994 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:02,074 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:02,115 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:02,147 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:02,526 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:02,615 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:02,732 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:02,775 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:02,804 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:02,840 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:02,874 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:02,905 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:02,937 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:02,994 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:03,024 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:03,053 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:03,074 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:03,099 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:03,147 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:03,187 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:03,225 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:03,405 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:04,708 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:04,709 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 270 [2020-10-12 21:09:04,709 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 27 [2020-10-12 21:09:04,709 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5027 [2020-10-12 21:09:04,709 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:04,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 21:09:04,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 21:09:04,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 60 [2020-10-12 21:09:04,709 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:04,963 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-12 21:09:04,964 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:09:04,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:04,977 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:04,991 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:04,992 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:09:04,992 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:04,992 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-12 21:09:04,992 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:04,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:09:04,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:09:04,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 21:09:04,993 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:05,029 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 21:09:05,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:05,033 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:05,036 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:05,037 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:09:05,037 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:05,037 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 21:09:05,037 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:05,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:09:05,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:09:05,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 21:09:05,038 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:05,040 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 21:09:05,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:05,042 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:05,042 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:05,042 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 21:09:05,043 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:05,043 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:09:05,043 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:05,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:09:05,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:09:05,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 21:09:05,044 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:05,072 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-12 21:09:05,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:05,078 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:05,084 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:05,084 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-12 21:09:05,085 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:05,085 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 21:09:05,085 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:05,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:09:05,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:09:05,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-12 21:09:05,086 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:05,151 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-12 21:09:05,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:05,157 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:05,168 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:05,169 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-12 21:09:05,169 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:05,169 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-12 21:09:05,169 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:05,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:09:05,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 21:09:05,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-12 21:09:05,169 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:05,193 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-12 21:09:05,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:05,207 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:05,217 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:05,223 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:05,229 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:05,305 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:10,204 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:10,204 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 140 [2020-10-12 21:09:10,204 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-12 21:09:10,204 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-12 21:09:10,204 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:10,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 21:09:10,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 41 [2020-10-12 21:09:10,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 21:09:10,205 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:10,230 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:09:10,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:10,232 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:10,233 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:10,234 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:09:10,234 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:10,234 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:09:10,235 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:10,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:09:10,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:09:10,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:09:10,236 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:10,236 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 21:09:10,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:10,237 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:10,238 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:10,238 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:09:10,239 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:10,239 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:09:10,239 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:10,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:09:10,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:09:10,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:09:10,240 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:10,240 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-12 21:09:10,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:10,241 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:10,242 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:10,242 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:09:10,243 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:10,243 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:09:10,243 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:10,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:09:10,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:09:10,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:09:10,244 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:10,245 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-12 21:09:10,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:10,246 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:10,249 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:10,249 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:09:10,249 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:10,249 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:09:10,249 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:10,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:09:10,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:09:10,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 21:09:10,250 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:10,277 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-12 21:09:10,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:10,279 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:10,280 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:10,280 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:09:10,280 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:10,280 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:09:10,280 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:10,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:09:10,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:09:10,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:09:10,281 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:10,282 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-12 21:09:10,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:10,283 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:10,284 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:10,284 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:09:10,285 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:10,285 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:09:10,285 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:10,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:09:10,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:09:10,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:09:10,286 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:10,287 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-12 21:09:10,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:10,288 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:10,289 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:10,289 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:09:10,289 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:10,290 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:09:10,290 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:10,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:09:10,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:09:10,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:09:10,291 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:10,291 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-12 21:09:10,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:10,293 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:10,294 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:10,294 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:09:10,294 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:10,294 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:09:10,295 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:10,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:09:10,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:09:10,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:09:10,295 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:10,296 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-12 21:09:10,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:10,297 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:10,298 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:10,298 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:09:10,299 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:10,299 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:09:10,299 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:10,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:09:10,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:09:10,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:09:10,300 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:10,301 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-12 21:09:10,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:10,303 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:10,304 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:10,304 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:09:10,304 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:10,305 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:09:10,305 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:10,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:09:10,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:09:10,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:09:10,305 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:10,307 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-12 21:09:10,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:10,309 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:10,309 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:10,310 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:09:10,310 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:10,310 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:09:10,310 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:10,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:09:10,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:09:10,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:09:10,311 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:10,312 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-12 21:09:10,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:10,314 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:10,314 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:10,315 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:09:10,315 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:10,315 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:09:10,315 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:10,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:09:10,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:09:10,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:09:10,316 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:10,323 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2020-10-12 21:09:10,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:10,329 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:10,335 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:10,335 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-12 21:09:10,335 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:10,336 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 21:09:10,337 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:10,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:09:10,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 28 [2020-10-12 21:09:10,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:09:10,337 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:10,340 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2020-10-12 21:09:10,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:10,342 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:10,342 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:10,343 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:09:10,343 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:10,343 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:09:10,343 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:10,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:09:10,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 21:09:10,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:09:10,343 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:10,381 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-12 21:09:10,382 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1237833448] [2020-10-12 21:09:10,382 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 21:09:10,382 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-10-12 21:09:10,382 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [46274680] [2020-10-12 21:09:10,383 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-12 21:09:10,383 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 21:09:10,383 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-12 21:09:10,384 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2020-10-12 21:09:10,384 INFO L87 Difference]: Start difference. First operand 897 states and 1303 transitions. Second operand 14 states. [2020-10-12 21:09:10,613 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-12 21:09:12,286 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-10-12 21:09:12,515 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-10-12 21:09:12,874 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-10-12 21:09:13,237 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-10-12 21:09:16,445 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-12 21:09:17,796 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-10-12 21:09:18,047 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-10-12 21:09:18,425 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-10-12 21:09:18,567 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2020-10-12 21:09:18,798 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-10-12 21:09:24,139 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 21:09:24,140 INFO L93 Difference]: Finished difference Result 2896 states and 4504 transitions. [2020-10-12 21:09:24,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2020-10-12 21:09:24,141 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 218 [2020-10-12 21:09:24,142 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 21:09:24,164 INFO L225 Difference]: With dead ends: 2896 [2020-10-12 21:09:24,164 INFO L226 Difference]: Without dead ends: 2028 [2020-10-12 21:09:24,174 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 296 ImplicationChecksByTransitivity, 3.6s TimeCoverageRelationStatistics Valid=328, Invalid=1004, Unknown=0, NotChecked=0, Total=1332 [2020-10-12 21:09:24,178 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2028 states. [2020-10-12 21:09:24,508 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2028 to 1199. [2020-10-12 21:09:24,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1199 states. [2020-10-12 21:09:24,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1199 states to 1199 states and 1666 transitions. [2020-10-12 21:09:24,516 INFO L78 Accepts]: Start accepts. Automaton has 1199 states and 1666 transitions. Word has length 218 [2020-10-12 21:09:24,517 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 21:09:24,517 INFO L479 AbstractCegarLoop]: Abstraction has 1199 states and 1666 transitions. [2020-10-12 21:09:24,517 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-12 21:09:24,517 INFO L276 IsEmpty]: Start isEmpty. Operand 1199 states and 1666 transitions. [2020-10-12 21:09:24,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2020-10-12 21:09:24,524 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 21:09:24,524 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 21:09:24,524 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-12 21:09:24,525 INFO L427 AbstractCegarLoop]: === Iteration 5 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 21:09:24,525 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 21:09:24,525 INFO L82 PathProgramCache]: Analyzing trace with hash -104516728, now seen corresponding path program 1 times [2020-10-12 21:09:24,526 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 21:09:24,526 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1205662609] [2020-10-12 21:09:24,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 21:09:24,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:24,605 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:24,654 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:24,757 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:24,853 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:24,904 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:24,950 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:28,689 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:28,734 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:28,941 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:29,032 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:29,455 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:29,477 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:29,495 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:29,514 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:29,531 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:29,551 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:29,567 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:29,587 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:29,587 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 270 [2020-10-12 21:09:29,588 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 17 [2020-10-12 21:09:29,588 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5010 [2020-10-12 21:09:29,588 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:29,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 21:09:29,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 21:09:29,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 55 [2020-10-12 21:09:29,588 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:29,820 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-12 21:09:29,821 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:09:29,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:29,830 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:29,838 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:29,838 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:09:29,838 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:29,839 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-12 21:09:29,839 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:29,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:09:29,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:09:29,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 21:09:29,840 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:29,886 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 21:09:29,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:29,890 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:29,892 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:29,892 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:09:29,893 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:29,893 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 21:09:29,893 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:29,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:09:29,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:09:29,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 21:09:29,893 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:29,895 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 21:09:29,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:29,896 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:29,896 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:29,897 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 21:09:29,897 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:29,897 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:09:29,897 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:29,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:09:29,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:09:29,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 21:09:29,897 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:29,926 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-12 21:09:29,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:29,931 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:29,935 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:29,935 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-12 21:09:29,935 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:29,935 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 21:09:29,935 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:29,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:09:29,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:09:29,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-12 21:09:29,936 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:30,023 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-12 21:09:30,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:30,030 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:30,041 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:30,041 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-12 21:09:30,041 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:30,042 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-12 21:09:30,042 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:30,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:09:30,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 21:09:30,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-12 21:09:30,042 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:30,074 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-12 21:09:30,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:30,085 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:30,092 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:30,099 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:30,114 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:32,252 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:34,541 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:34,541 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 140 [2020-10-12 21:09:34,541 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-12 21:09:34,541 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4459 [2020-10-12 21:09:34,542 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:34,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 21:09:34,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-10-12 21:09:34,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 21:09:34,542 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:34,581 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:09:34,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:34,582 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:34,583 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:34,583 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:09:34,584 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:34,584 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:09:34,584 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:34,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:09:34,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:09:34,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:09:34,585 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:34,585 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 21:09:34,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:34,586 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:34,588 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:34,588 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:09:34,588 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:34,588 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:09:34,588 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:34,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:09:34,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:09:34,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 21:09:34,589 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:34,613 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-12 21:09:34,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:34,615 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:34,616 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:34,616 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:09:34,617 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:34,617 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:09:34,617 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:34,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:09:34,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:09:34,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:09:34,617 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:34,618 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-12 21:09:34,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:34,619 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:34,619 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:34,620 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:09:34,620 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:34,620 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:09:34,620 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:34,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:09:34,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:09:34,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:09:34,620 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:34,621 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-12 21:09:34,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:34,622 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:34,622 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:34,622 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:09:34,623 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:34,623 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:09:34,623 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:34,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:09:34,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:09:34,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:09:34,623 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:34,624 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-12 21:09:34,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:34,625 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:34,625 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:34,625 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:09:34,626 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:34,626 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:09:34,626 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:34,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:09:34,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:09:34,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:09:34,626 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:34,627 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-12 21:09:34,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:34,628 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:34,629 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:34,629 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:09:34,629 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:34,629 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:09:34,629 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:34,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:09:34,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:09:34,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:09:34,630 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:34,631 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-12 21:09:34,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:34,632 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:34,633 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:34,633 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:09:34,633 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:34,634 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:09:34,634 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:34,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:09:34,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:09:34,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:09:34,634 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:34,635 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-12 21:09:34,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:34,636 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:34,637 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:34,637 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:09:34,637 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:34,638 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:09:34,638 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:34,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:09:34,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:09:34,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:09:34,639 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:34,639 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-12 21:09:34,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:34,640 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:34,641 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:34,641 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:09:34,642 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:34,642 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:09:34,642 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:34,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:09:34,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:09:34,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:09:34,642 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:34,643 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-12 21:09:34,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:34,645 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:34,646 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:34,646 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:09:34,646 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:34,646 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:09:34,646 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:34,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:09:34,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:09:34,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:09:34,646 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:34,647 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-12 21:09:34,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:34,648 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:34,649 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:34,649 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:09:34,649 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:34,649 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:09:34,649 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:34,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:09:34,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:09:34,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:09:34,650 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:34,654 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2020-10-12 21:09:34,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:34,658 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:34,661 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:34,661 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-12 21:09:34,661 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:34,661 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 21:09:34,662 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:34,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:09:34,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 28 [2020-10-12 21:09:34,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:09:34,662 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:34,665 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2020-10-12 21:09:34,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:34,666 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:34,667 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:34,667 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:09:34,667 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:34,667 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:09:34,667 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:34,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:09:34,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 21:09:34,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:09:34,667 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:34,707 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-12 21:09:34,707 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1205662609] [2020-10-12 21:09:34,707 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 21:09:34,708 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-10-12 21:09:34,708 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [286554544] [2020-10-12 21:09:34,708 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-12 21:09:34,709 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 21:09:34,709 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-12 21:09:34,709 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=148, Unknown=0, NotChecked=0, Total=182 [2020-10-12 21:09:34,709 INFO L87 Difference]: Start difference. First operand 1199 states and 1666 transitions. Second operand 14 states. [2020-10-12 21:09:34,939 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-12 21:09:36,387 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-10-12 21:09:36,626 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-10-12 21:09:36,858 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-10-12 21:09:37,217 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-10-12 21:09:41,347 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-12 21:09:41,824 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-10-12 21:09:42,066 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-10-12 21:09:42,315 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-10-12 21:09:42,714 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-10-12 21:09:47,201 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 21:09:47,201 INFO L93 Difference]: Finished difference Result 3625 states and 5308 transitions. [2020-10-12 21:09:47,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2020-10-12 21:09:47,202 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 218 [2020-10-12 21:09:47,202 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 21:09:47,215 INFO L225 Difference]: With dead ends: 3625 [2020-10-12 21:09:47,216 INFO L226 Difference]: Without dead ends: 2455 [2020-10-12 21:09:47,222 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 253 ImplicationChecksByTransitivity, 3.6s TimeCoverageRelationStatistics Valid=302, Invalid=888, Unknown=0, NotChecked=0, Total=1190 [2020-10-12 21:09:47,225 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2455 states. [2020-10-12 21:09:47,489 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2455 to 1521. [2020-10-12 21:09:47,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1521 states. [2020-10-12 21:09:47,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1521 states to 1521 states and 2045 transitions. [2020-10-12 21:09:47,495 INFO L78 Accepts]: Start accepts. Automaton has 1521 states and 2045 transitions. Word has length 218 [2020-10-12 21:09:47,496 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 21:09:47,496 INFO L479 AbstractCegarLoop]: Abstraction has 1521 states and 2045 transitions. [2020-10-12 21:09:47,496 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-12 21:09:47,496 INFO L276 IsEmpty]: Start isEmpty. Operand 1521 states and 2045 transitions. [2020-10-12 21:09:47,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2020-10-12 21:09:47,500 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 21:09:47,501 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 21:09:47,501 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-12 21:09:47,501 INFO L427 AbstractCegarLoop]: === Iteration 6 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 21:09:47,501 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 21:09:47,502 INFO L82 PathProgramCache]: Analyzing trace with hash -1019771898, now seen corresponding path program 1 times [2020-10-12 21:09:47,503 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 21:09:47,503 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [311754197] [2020-10-12 21:09:47,503 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 21:09:47,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:47,551 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:47,571 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:47,614 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:47,656 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:47,679 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:48,082 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:48,172 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:48,223 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:48,418 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:48,680 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:48,699 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:48,717 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:48,732 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:48,747 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:48,762 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:48,777 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:48,791 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:48,805 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:48,819 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:48,832 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:48,843 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:48,859 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:48,876 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:50,001 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:52,549 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:52,549 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 270 [2020-10-12 21:09:52,549 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 24 [2020-10-12 21:09:52,550 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5012 [2020-10-12 21:09:52,550 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:52,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 21:09:52,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 21:09:52,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 54 [2020-10-12 21:09:52,550 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:52,766 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-12 21:09:52,767 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:09:52,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:52,810 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:52,818 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:52,818 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:09:52,818 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:52,818 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-12 21:09:52,818 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:52,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:09:52,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:09:52,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 21:09:52,819 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:52,847 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 21:09:52,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:52,850 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:52,852 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:52,852 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:09:52,852 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:52,852 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:09:52,852 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:52,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:09:52,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:09:52,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 21:09:52,853 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:52,854 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 21:09:52,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:52,855 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:52,856 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:52,856 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 21:09:52,856 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:52,856 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:09:52,856 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:52,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:09:52,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:09:52,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 21:09:52,857 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:52,889 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-12 21:09:52,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:52,894 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:52,898 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:52,898 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-12 21:09:52,898 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:52,899 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 21:09:52,899 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:52,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:09:52,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:09:52,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-12 21:09:52,899 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:52,957 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-12 21:09:52,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:52,963 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:52,974 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:52,974 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-12 21:09:52,975 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:52,975 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-12 21:09:52,975 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:52,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:09:52,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 21:09:52,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-12 21:09:52,975 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:52,996 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-12 21:09:53,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:53,007 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:53,013 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:53,019 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:53,032 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:54,055 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:54,056 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 140 [2020-10-12 21:09:54,056 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-12 21:09:54,056 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1052 [2020-10-12 21:09:54,056 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:54,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 21:09:54,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 63 [2020-10-12 21:09:54,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 21:09:54,056 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:54,092 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:09:54,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:54,093 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:54,094 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:54,095 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:09:54,095 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:54,095 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:09:54,095 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:54,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:09:54,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:09:54,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:09:54,095 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:54,096 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 21:09:54,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:54,097 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:54,098 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:54,099 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:09:54,099 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:54,099 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:09:54,099 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:54,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:09:54,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:09:54,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:09:54,100 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:54,101 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-12 21:09:54,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:54,102 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:54,103 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:54,103 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:09:54,103 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:54,104 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:09:54,104 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:54,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:09:54,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:09:54,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:09:54,104 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:54,105 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-12 21:09:54,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:54,106 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:54,107 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:54,107 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:09:54,108 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:54,108 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:09:54,108 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:54,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:09:54,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:09:54,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:09:54,109 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:54,110 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-12 21:09:54,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:54,111 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:54,112 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:54,112 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:09:54,112 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:54,112 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:09:54,112 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:54,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:09:54,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:09:54,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:09:54,112 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:54,113 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-12 21:09:54,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:54,115 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:54,116 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:54,116 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:09:54,116 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:54,116 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:09:54,117 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:54,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:09:54,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:09:54,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 21:09:54,117 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:54,144 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-12 21:09:54,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:54,146 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:54,147 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:54,147 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:09:54,148 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:54,148 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:09:54,148 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:54,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:09:54,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:09:54,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:09:54,149 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:54,149 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-12 21:09:54,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:54,151 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:54,151 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:54,152 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:09:54,152 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:54,152 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:09:54,152 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:54,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:09:54,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:09:54,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:09:54,152 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:54,153 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-12 21:09:54,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:54,154 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:54,155 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:54,155 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:09:54,155 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:54,156 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:09:54,156 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:54,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:09:54,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:09:54,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:09:54,156 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:54,157 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-12 21:09:54,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:54,158 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:54,159 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:54,159 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:09:54,159 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:54,160 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:09:54,160 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:54,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:09:54,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:09:54,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:09:54,161 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:54,161 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-12 21:09:54,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:54,162 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:54,163 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:54,164 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:09:54,164 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:54,164 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:09:54,164 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:54,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:09:54,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:09:54,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:09:54,165 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:54,166 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-12 21:09:54,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:54,168 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:54,169 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:54,169 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:09:54,169 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:54,169 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:09:54,170 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:54,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:09:54,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:09:54,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:09:54,170 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:54,177 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2020-10-12 21:09:54,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:54,182 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:54,187 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:54,187 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-12 21:09:54,188 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:54,188 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 21:09:54,188 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:54,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:09:54,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 28 [2020-10-12 21:09:54,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:09:54,189 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:54,193 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2020-10-12 21:09:54,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:54,195 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:54,195 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:54,195 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:09:54,195 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:54,196 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:09:54,196 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:54,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:09:54,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 21:09:54,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:09:54,196 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:54,233 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-12 21:09:54,234 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [311754197] [2020-10-12 21:09:54,234 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 21:09:54,234 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-10-12 21:09:54,234 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1027090445] [2020-10-12 21:09:54,235 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-12 21:09:54,235 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 21:09:54,235 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-12 21:09:54,235 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2020-10-12 21:09:54,235 INFO L87 Difference]: Start difference. First operand 1521 states and 2045 transitions. Second operand 13 states. [2020-10-12 21:09:54,479 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-12 21:09:56,356 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-10-12 21:09:56,591 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-10-12 21:09:56,741 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2020-10-12 21:09:56,982 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-10-12 21:09:57,332 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-10-12 21:10:02,715 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 21:10:02,715 INFO L93 Difference]: Finished difference Result 3765 states and 5356 transitions. [2020-10-12 21:10:02,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-12 21:10:02,716 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 218 [2020-10-12 21:10:02,716 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 21:10:02,727 INFO L225 Difference]: With dead ends: 3765 [2020-10-12 21:10:02,727 INFO L226 Difference]: Without dead ends: 2273 [2020-10-12 21:10:02,733 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=143, Invalid=409, Unknown=0, NotChecked=0, Total=552 [2020-10-12 21:10:02,736 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2273 states. [2020-10-12 21:10:03,042 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2273 to 1531. [2020-10-12 21:10:03,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1531 states. [2020-10-12 21:10:03,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1531 states to 1531 states and 2044 transitions. [2020-10-12 21:10:03,047 INFO L78 Accepts]: Start accepts. Automaton has 1531 states and 2044 transitions. Word has length 218 [2020-10-12 21:10:03,047 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 21:10:03,047 INFO L479 AbstractCegarLoop]: Abstraction has 1531 states and 2044 transitions. [2020-10-12 21:10:03,048 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-12 21:10:03,048 INFO L276 IsEmpty]: Start isEmpty. Operand 1531 states and 2044 transitions. [2020-10-12 21:10:03,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2020-10-12 21:10:03,050 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 21:10:03,050 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 21:10:03,050 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-12 21:10:03,050 INFO L427 AbstractCegarLoop]: === Iteration 7 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 21:10:03,050 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 21:10:03,051 INFO L82 PathProgramCache]: Analyzing trace with hash -1037278718, now seen corresponding path program 1 times [2020-10-12 21:10:03,051 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 21:10:03,051 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1967349840] [2020-10-12 21:10:03,051 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 21:10:03,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:10:03,101 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:03,135 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:03,214 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:03,284 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:03,412 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:03,546 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:03,628 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:03,746 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:03,849 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:03,898 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:03,933 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:03,968 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:04,002 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:04,036 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:04,070 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:04,105 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:04,138 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:04,180 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:04,207 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:04,237 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:04,388 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:08,097 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:10:08,098 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 270 [2020-10-12 21:10:08,098 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 21 [2020-10-12 21:10:08,098 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5013 [2020-10-12 21:10:08,098 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:10:08,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 21:10:08,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 21:10:08,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 62 [2020-10-12 21:10:08,099 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:10:08,334 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-12 21:10:08,335 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:10:08,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:10:08,346 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:08,353 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:10:08,354 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:10:08,354 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:10:08,354 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-12 21:10:08,354 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:10:08,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:10:08,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:10:08,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 21:10:08,355 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:10:08,391 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 21:10:08,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:10:08,396 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:08,428 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:10:08,429 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:10:08,429 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:10:08,431 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-10-12 21:10:08,431 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:10:08,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:10:08,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:10:08,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 21:10:08,432 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:10:08,437 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 21:10:08,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:10:08,438 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:08,439 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:10:08,439 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 21:10:08,439 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:10:08,440 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:10:08,440 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:10:08,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:10:08,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:10:08,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 21:10:08,440 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:10:08,464 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-12 21:10:08,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:10:08,468 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:08,473 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:10:08,474 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-12 21:10:08,474 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:10:08,474 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 21:10:08,474 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:10:08,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:10:08,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:10:08,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-12 21:10:08,475 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:10:08,535 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-12 21:10:08,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:10:08,541 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:08,554 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:10:08,554 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-12 21:10:08,554 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:10:08,554 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-12 21:10:08,554 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:10:08,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:10:08,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 21:10:08,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-12 21:10:08,555 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:10:08,584 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-12 21:10:08,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:10:08,596 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:08,605 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:08,614 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:08,885 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:10:08,885 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 140 [2020-10-12 21:10:08,885 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 21:10:08,885 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 293 [2020-10-12 21:10:08,886 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:10:08,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 21:10:08,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:10:08,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 21:10:08,886 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:10:08,913 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:10:08,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:10:08,915 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:08,917 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:10:08,917 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:10:08,917 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:10:08,918 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:10:08,918 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:10:08,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:10:08,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:10:08,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 21:10:08,918 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:10:08,948 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 21:10:08,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:10:08,950 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:08,951 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:10:08,952 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:10:08,952 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:10:08,952 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:10:08,953 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:10:08,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:10:08,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:10:08,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:10:08,954 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:10:08,955 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-12 21:10:08,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:10:08,957 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:08,959 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:10:08,959 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:10:08,959 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:10:08,960 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:10:08,960 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:10:08,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:10:08,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:10:08,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:10:08,961 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:10:08,963 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-12 21:10:08,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:10:08,964 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:08,966 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:10:08,966 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:10:08,966 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:10:08,967 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:10:08,967 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:10:08,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:10:08,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:10:08,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:10:08,968 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:10:08,970 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-12 21:10:08,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:10:08,971 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:08,973 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:10:08,973 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:10:08,973 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:10:08,973 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:10:08,974 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:10:08,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:10:08,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:10:08,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:10:08,975 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:10:08,976 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-12 21:10:08,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:10:08,978 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:08,980 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:10:08,980 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:10:08,980 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:10:08,981 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:10:08,981 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:10:08,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:10:08,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:10:08,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:10:08,982 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:10:08,983 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-12 21:10:08,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:10:08,985 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:08,986 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:10:08,986 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:10:08,986 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:10:08,986 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:10:08,987 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:10:08,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:10:08,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:10:08,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:10:08,987 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:10:08,989 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-12 21:10:08,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:10:08,990 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:08,991 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:10:08,991 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:10:08,992 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:10:08,992 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:10:08,992 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:10:08,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:10:08,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:10:08,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:10:08,993 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:10:08,994 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-12 21:10:08,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:10:08,999 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:09,000 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:10:09,000 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:10:09,000 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:10:09,001 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:10:09,001 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:10:09,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:10:09,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:10:09,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:10:09,002 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:10:09,007 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-12 21:10:09,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:10:09,010 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:09,011 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:10:09,012 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:10:09,012 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:10:09,012 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:10:09,013 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:10:09,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:10:09,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:10:09,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:10:09,014 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:10:09,015 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-12 21:10:09,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:10:09,017 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:09,018 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:10:09,019 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:10:09,019 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:10:09,019 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:10:09,020 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:10:09,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:10:09,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:10:09,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:10:09,021 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:10:09,025 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-12 21:10:09,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:10:09,027 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:09,028 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:10:09,028 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:10:09,028 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:10:09,029 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:10:09,029 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:10:09,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:10:09,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:10:09,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:10:09,029 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:10:09,043 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2020-10-12 21:10:09,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:10:09,050 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:09,058 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:10:09,059 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-12 21:10:09,059 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:10:09,059 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-12 21:10:09,059 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:10:09,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:10:09,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 28 [2020-10-12 21:10:09,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:10:09,060 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:10:09,064 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2020-10-12 21:10:09,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:10:09,066 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:09,067 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:10:09,067 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:10:09,067 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:10:09,067 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:10:09,067 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:10:09,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:10:09,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 21:10:09,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:10:09,068 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:10:09,160 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-12 21:10:09,165 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1967349840] [2020-10-12 21:10:09,165 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 21:10:09,166 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-10-12 21:10:09,166 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [146293350] [2020-10-12 21:10:09,167 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-12 21:10:09,167 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 21:10:09,167 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-12 21:10:09,167 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2020-10-12 21:10:09,167 INFO L87 Difference]: Start difference. First operand 1531 states and 2044 transitions. Second operand 13 states. [2020-10-12 21:10:09,416 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-12 21:10:10,844 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-10-12 21:10:11,089 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-10-12 21:10:11,329 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-10-12 21:10:11,567 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-10-12 21:10:15,421 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-12 21:10:15,646 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-10-12 21:10:15,868 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-12 21:10:16,076 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-12 21:10:20,683 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 21:10:20,684 INFO L93 Difference]: Finished difference Result 4187 states and 5878 transitions. [2020-10-12 21:10:20,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2020-10-12 21:10:20,684 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 218 [2020-10-12 21:10:20,684 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 21:10:20,697 INFO L225 Difference]: With dead ends: 4187 [2020-10-12 21:10:20,697 INFO L226 Difference]: Without dead ends: 2685 [2020-10-12 21:10:20,704 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 203 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=240, Invalid=752, Unknown=0, NotChecked=0, Total=992 [2020-10-12 21:10:20,708 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2685 states. [2020-10-12 21:10:21,157 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2685 to 1843. [2020-10-12 21:10:21,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1843 states. [2020-10-12 21:10:21,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1843 states to 1843 states and 2401 transitions. [2020-10-12 21:10:21,163 INFO L78 Accepts]: Start accepts. Automaton has 1843 states and 2401 transitions. Word has length 218 [2020-10-12 21:10:21,163 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 21:10:21,163 INFO L479 AbstractCegarLoop]: Abstraction has 1843 states and 2401 transitions. [2020-10-12 21:10:21,163 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-12 21:10:21,163 INFO L276 IsEmpty]: Start isEmpty. Operand 1843 states and 2401 transitions. [2020-10-12 21:10:21,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2020-10-12 21:10:21,165 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 21:10:21,166 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 21:10:21,166 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-12 21:10:21,166 INFO L427 AbstractCegarLoop]: === Iteration 8 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 21:10:21,166 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 21:10:21,166 INFO L82 PathProgramCache]: Analyzing trace with hash -7533919, now seen corresponding path program 1 times [2020-10-12 21:10:21,167 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 21:10:21,167 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1091326528] [2020-10-12 21:10:21,167 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 21:10:21,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:10:21,223 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:21,255 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:21,323 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:21,369 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:21,464 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:21,540 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:21,676 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:21,721 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:21,748 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:21,765 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:21,781 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:21,796 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:21,811 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:21,825 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:21,839 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:21,853 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:21,867 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:21,886 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:22,221 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:22,311 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:26,216 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:10:26,217 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 270 [2020-10-12 21:10:26,217 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 20 [2020-10-12 21:10:26,217 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5011 [2020-10-12 21:10:26,217 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:10:26,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 21:10:26,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 21:10:26,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 45 [2020-10-12 21:10:26,218 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:10:26,424 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-12 21:10:26,425 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:10:26,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:10:26,434 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:26,441 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:10:26,442 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:10:26,442 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:10:26,442 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-12 21:10:26,442 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:10:26,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:10:26,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:10:26,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 21:10:26,442 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:10:26,473 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 21:10:26,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:10:26,477 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:26,480 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:10:26,481 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:10:26,481 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:10:26,481 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 21:10:26,481 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:10:26,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:10:26,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:10:26,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 21:10:26,482 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:10:26,484 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 21:10:26,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:10:26,485 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:26,486 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:10:26,486 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 21:10:26,486 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:10:26,486 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:10:26,487 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:10:26,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:10:26,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:10:26,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 21:10:26,487 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:10:26,515 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-12 21:10:26,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:10:26,519 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:26,523 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:10:26,524 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-12 21:10:26,524 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:10:26,524 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 21:10:26,524 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:10:26,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:10:26,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:10:26,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-12 21:10:26,524 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:10:26,624 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-12 21:10:26,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:10:26,631 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:26,642 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:10:26,642 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-12 21:10:26,642 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:10:26,642 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-12 21:10:26,642 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:10:26,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:10:26,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 21:10:26,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-12 21:10:26,643 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:10:26,664 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-12 21:10:26,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:10:26,674 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:26,680 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:26,795 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:26,910 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:10:26,911 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 140 [2020-10-12 21:10:26,911 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 21:10:26,911 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 240 [2020-10-12 21:10:26,911 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:10:26,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 21:10:26,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 85 [2020-10-12 21:10:26,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 21:10:26,912 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:10:26,956 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:10:26,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:10:26,957 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:26,958 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:10:26,958 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:10:26,958 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:10:26,958 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:10:26,959 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:10:26,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:10:26,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:10:26,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:10:26,959 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:10:26,960 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 21:10:26,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:10:26,961 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:26,962 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:10:26,962 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:10:26,962 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:10:26,962 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:10:26,962 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:10:26,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:10:26,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:10:26,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:10:26,963 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:10:26,964 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-12 21:10:26,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:10:26,965 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:26,966 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:10:26,966 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:10:26,966 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:10:26,966 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:10:26,966 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:10:26,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:10:26,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:10:26,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:10:26,967 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:10:26,968 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-12 21:10:26,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:10:26,969 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:26,969 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:10:26,970 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:10:26,970 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:10:26,970 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:10:26,970 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:10:26,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:10:26,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:10:26,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:10:26,971 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:10:26,972 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-12 21:10:26,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:10:26,973 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:26,973 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:10:26,974 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:10:26,974 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:10:26,974 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:10:26,974 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:10:26,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:10:26,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:10:26,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:10:26,975 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:10:26,976 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-12 21:10:26,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:10:26,977 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:26,977 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:10:26,977 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:10:26,978 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:10:26,978 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:10:26,978 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:10:26,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:10:26,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:10:26,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:10:26,979 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:10:26,979 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-12 21:10:26,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:10:26,980 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:26,981 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:10:26,981 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:10:26,981 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:10:26,982 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:10:26,982 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:10:26,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:10:26,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:10:26,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:10:26,982 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:10:26,983 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-12 21:10:26,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:10:26,985 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:26,991 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:10:26,991 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:10:26,991 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:10:26,991 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 21:10:26,991 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:10:26,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:10:26,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:10:26,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 21:10:26,992 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:10:27,031 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-12 21:10:27,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:10:27,032 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:27,033 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:10:27,033 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:10:27,034 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:10:27,034 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:10:27,034 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:10:27,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:10:27,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:10:27,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:10:27,035 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:10:27,036 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-12 21:10:27,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:10:27,037 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:27,038 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:10:27,038 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:10:27,038 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:10:27,038 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:10:27,039 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:10:27,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:10:27,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:10:27,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:10:27,039 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:10:27,040 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-12 21:10:27,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:10:27,042 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:27,043 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:10:27,043 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:10:27,043 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:10:27,043 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:10:27,043 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:10:27,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:10:27,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:10:27,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:10:27,044 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:10:27,045 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-12 21:10:27,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:10:27,046 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:27,047 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:10:27,047 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:10:27,048 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:10:27,048 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:10:27,048 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:10:27,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:10:27,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:10:27,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:10:27,049 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:10:27,056 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2020-10-12 21:10:27,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:10:27,062 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:27,067 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:10:27,067 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-12 21:10:27,067 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:10:27,068 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 21:10:27,068 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:10:27,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:10:27,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 28 [2020-10-12 21:10:27,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:10:27,068 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:10:27,072 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2020-10-12 21:10:27,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:10:27,073 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:27,074 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:10:27,074 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:10:27,074 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:10:27,074 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:10:27,074 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:10:27,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:10:27,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 21:10:27,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:10:27,075 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:10:27,112 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-12 21:10:27,112 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1091326528] [2020-10-12 21:10:27,112 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 21:10:27,112 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-10-12 21:10:27,113 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1831854370] [2020-10-12 21:10:27,113 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-12 21:10:27,113 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 21:10:27,113 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-12 21:10:27,114 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2020-10-12 21:10:27,114 INFO L87 Difference]: Start difference. First operand 1843 states and 2401 transitions. Second operand 13 states. [2020-10-12 21:10:27,338 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-12 21:10:29,263 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-10-12 21:10:29,495 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-10-12 21:10:29,734 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-10-12 21:10:30,083 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-10-12 21:10:35,760 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 21:10:35,761 INFO L93 Difference]: Finished difference Result 4459 states and 6131 transitions. [2020-10-12 21:10:35,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-12 21:10:35,762 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 218 [2020-10-12 21:10:35,763 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 21:10:35,775 INFO L225 Difference]: With dead ends: 4459 [2020-10-12 21:10:35,776 INFO L226 Difference]: Without dead ends: 2645 [2020-10-12 21:10:35,781 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=143, Invalid=409, Unknown=0, NotChecked=0, Total=552 [2020-10-12 21:10:35,785 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2645 states. [2020-10-12 21:10:36,073 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2645 to 1853. [2020-10-12 21:10:36,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1853 states. [2020-10-12 21:10:36,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1853 states to 1853 states and 2398 transitions. [2020-10-12 21:10:36,078 INFO L78 Accepts]: Start accepts. Automaton has 1853 states and 2398 transitions. Word has length 218 [2020-10-12 21:10:36,078 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 21:10:36,078 INFO L479 AbstractCegarLoop]: Abstraction has 1853 states and 2398 transitions. [2020-10-12 21:10:36,078 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-12 21:10:36,078 INFO L276 IsEmpty]: Start isEmpty. Operand 1853 states and 2398 transitions. [2020-10-12 21:10:36,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2020-10-12 21:10:36,080 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 21:10:36,080 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 21:10:36,080 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-12 21:10:36,080 INFO L427 AbstractCegarLoop]: === Iteration 9 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 21:10:36,080 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 21:10:36,080 INFO L82 PathProgramCache]: Analyzing trace with hash 918046111, now seen corresponding path program 1 times [2020-10-12 21:10:36,081 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 21:10:36,081 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1170352765] [2020-10-12 21:10:36,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 21:10:36,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:10:36,111 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:36,130 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:36,174 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:36,305 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:36,368 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:36,477 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:36,517 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:36,548 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:36,576 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:36,612 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:36,635 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:36,657 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:36,677 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:36,699 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:36,720 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:36,739 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:36,759 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:38,455 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:39,382 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:41,113 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:10:41,113 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 270 [2020-10-12 21:10:41,113 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 19 [2020-10-12 21:10:41,113 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5012 [2020-10-12 21:10:41,113 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:10:41,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 21:10:41,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 21:10:41,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 56 [2020-10-12 21:10:41,114 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:10:41,326 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-12 21:10:41,327 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:10:41,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:10:41,337 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:41,346 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:10:41,346 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:10:41,346 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:10:41,346 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-12 21:10:41,346 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:10:41,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:10:41,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:10:41,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 21:10:41,347 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:10:41,382 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 21:10:41,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:10:41,385 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:41,387 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:10:41,387 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:10:41,387 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:10:41,388 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:10:41,388 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:10:41,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:10:41,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:10:41,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 21:10:41,388 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:10:41,389 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 21:10:41,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:10:41,391 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:41,391 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:10:41,391 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 21:10:41,392 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:10:41,392 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:10:41,392 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:10:41,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:10:41,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:10:41,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 21:10:41,393 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:10:41,420 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-12 21:10:41,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:10:41,425 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:41,429 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:10:41,429 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-12 21:10:41,429 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:10:41,429 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 21:10:41,429 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:10:41,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:10:41,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:10:41,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-12 21:10:41,430 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:10:41,489 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-12 21:10:41,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:10:41,496 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:41,508 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:10:41,509 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-12 21:10:41,509 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:10:41,509 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-12 21:10:41,509 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:10:41,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:10:41,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 21:10:41,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-12 21:10:41,509 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:10:41,534 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-12 21:10:41,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:10:41,545 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:41,550 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:41,590 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:10:41,590 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 140 [2020-10-12 21:10:41,590 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 21:10:41,590 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 49 [2020-10-12 21:10:41,591 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:10:41,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 21:10:41,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 107 [2020-10-12 21:10:41,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 21:10:41,591 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:10:41,634 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:10:41,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:10:41,636 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:41,637 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:10:41,637 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:10:41,637 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:10:41,637 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:10:41,637 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:10:41,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:10:41,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:10:41,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:10:41,638 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:10:41,639 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 21:10:41,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:10:41,640 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:41,641 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:10:41,641 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:10:41,641 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:10:41,641 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:10:41,641 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:10:41,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:10:41,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:10:41,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:10:41,642 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:10:41,642 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-12 21:10:41,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:10:41,643 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:41,644 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:10:41,644 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:10:41,644 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:10:41,644 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:10:41,644 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:10:41,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:10:41,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:10:41,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:10:41,645 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:10:41,645 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-12 21:10:41,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:10:41,646 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:41,647 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:10:41,647 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:10:41,647 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:10:41,647 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:10:41,647 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:10:41,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:10:41,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:10:41,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:10:41,648 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:10:41,648 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-12 21:10:41,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:10:41,649 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:41,650 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:10:41,650 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:10:41,650 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:10:41,650 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:10:41,650 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:10:41,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:10:41,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:10:41,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:10:41,651 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:10:41,651 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-12 21:10:41,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:10:41,652 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:41,652 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:10:41,652 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:10:41,653 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:10:41,653 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:10:41,653 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:10:41,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:10:41,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:10:41,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:10:41,653 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:10:41,654 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-12 21:10:41,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:10:41,654 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:41,655 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:10:41,655 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:10:41,655 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:10:41,655 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:10:41,656 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:10:41,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:10:41,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:10:41,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:10:41,656 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:10:41,657 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-12 21:10:41,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:10:41,658 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:41,658 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:10:41,659 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:10:41,659 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:10:41,659 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:10:41,659 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:10:41,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:10:41,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:10:41,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:10:41,660 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:10:41,661 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-12 21:10:41,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:10:41,662 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:41,662 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:10:41,662 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:10:41,662 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:10:41,663 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:10:41,663 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:10:41,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:10:41,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:10:41,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:10:41,663 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:10:41,664 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-12 21:10:41,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:10:41,665 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:41,667 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:10:41,667 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:10:41,667 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:10:41,667 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:10:41,667 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:10:41,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:10:41,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:10:41,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 21:10:41,667 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:10:41,693 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-12 21:10:41,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:10:41,695 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:41,696 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:10:41,696 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:10:41,696 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:10:41,696 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:10:41,697 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:10:41,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:10:41,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:10:41,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:10:41,697 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:10:41,698 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-12 21:10:41,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:10:41,700 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:41,701 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:10:41,701 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:10:41,701 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:10:41,701 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:10:41,702 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:10:41,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:10:41,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:10:41,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:10:41,702 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:10:41,709 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2020-10-12 21:10:41,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:10:41,716 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:41,722 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:10:41,722 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-12 21:10:41,722 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:10:41,722 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-12 21:10:41,723 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:10:41,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:10:41,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 28 [2020-10-12 21:10:41,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:10:41,723 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:10:41,728 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2020-10-12 21:10:41,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:10:41,729 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:41,730 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:10:41,730 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:10:41,731 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:10:41,731 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:10:41,731 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:10:41,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:10:41,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 21:10:41,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:10:41,732 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:10:41,793 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-12 21:10:41,794 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1170352765] [2020-10-12 21:10:41,794 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 21:10:41,794 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-10-12 21:10:41,794 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [435422290] [2020-10-12 21:10:41,795 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-12 21:10:41,795 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 21:10:41,795 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-12 21:10:41,796 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=148, Unknown=0, NotChecked=0, Total=182 [2020-10-12 21:10:41,796 INFO L87 Difference]: Start difference. First operand 1853 states and 2398 transitions. Second operand 14 states. [2020-10-12 21:10:42,031 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-12 21:10:44,305 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-10-12 21:10:44,558 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-10-12 21:10:44,821 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-10-12 21:10:45,211 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-10-12 21:10:47,318 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-12 21:10:49,662 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-10-12 21:10:49,891 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-10-12 21:10:50,263 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-10-12 21:10:50,624 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-10-12 21:10:54,168 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 21:10:54,168 INFO L93 Difference]: Finished difference Result 4899 states and 6674 transitions. [2020-10-12 21:10:54,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2020-10-12 21:10:54,168 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 218 [2020-10-12 21:10:54,169 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 21:10:54,178 INFO L225 Difference]: With dead ends: 4899 [2020-10-12 21:10:54,178 INFO L226 Difference]: Without dead ends: 3075 [2020-10-12 21:10:54,184 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 251 ImplicationChecksByTransitivity, 3.5s TimeCoverageRelationStatistics Valid=302, Invalid=888, Unknown=0, NotChecked=0, Total=1190 [2020-10-12 21:10:54,187 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3075 states. [2020-10-12 21:10:54,546 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3075 to 2165. [2020-10-12 21:10:54,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2165 states. [2020-10-12 21:10:54,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2165 states to 2165 states and 2745 transitions. [2020-10-12 21:10:54,552 INFO L78 Accepts]: Start accepts. Automaton has 2165 states and 2745 transitions. Word has length 218 [2020-10-12 21:10:54,552 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 21:10:54,552 INFO L479 AbstractCegarLoop]: Abstraction has 2165 states and 2745 transitions. [2020-10-12 21:10:54,552 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-12 21:10:54,552 INFO L276 IsEmpty]: Start isEmpty. Operand 2165 states and 2745 transitions. [2020-10-12 21:10:54,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2020-10-12 21:10:54,554 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 21:10:54,555 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 21:10:54,555 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-12 21:10:54,555 INFO L427 AbstractCegarLoop]: === Iteration 10 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 21:10:54,555 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 21:10:54,555 INFO L82 PathProgramCache]: Analyzing trace with hash 1151844765, now seen corresponding path program 1 times [2020-10-12 21:10:54,556 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 21:10:54,556 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1095218211] [2020-10-12 21:10:54,556 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 21:10:54,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:10:54,587 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:54,606 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:54,661 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:54,713 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:54,826 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:54,854 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:54,874 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:54,890 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:54,905 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:54,920 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:54,935 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:54,949 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:54,962 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:54,976 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:54,989 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:55,002 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:55,099 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:55,410 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:55,439 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:55,944 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:56,102 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:56,229 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:56,282 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:57,977 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:59,580 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:10:59,580 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 270 [2020-10-12 21:10:59,580 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 24 [2020-10-12 21:10:59,581 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-12 21:10:59,581 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:10:59,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-12 21:10:59,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 21:10:59,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 232 [2020-10-12 21:10:59,581 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:10:59,842 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-12 21:10:59,843 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:10:59,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:10:59,854 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:59,867 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:10:59,868 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:10:59,868 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:10:59,868 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-12 21:10:59,868 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:10:59,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:10:59,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:10:59,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 21:10:59,869 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:10:59,899 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 21:10:59,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:10:59,902 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:59,905 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:10:59,905 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:10:59,905 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:10:59,906 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 21:10:59,906 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:10:59,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:10:59,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:10:59,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 21:10:59,907 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:10:59,910 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 21:10:59,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:10:59,911 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:59,912 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:10:59,912 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 21:10:59,912 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:10:59,913 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:10:59,913 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:10:59,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:10:59,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:10:59,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 21:10:59,914 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:10:59,941 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-12 21:10:59,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:10:59,946 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:59,954 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:10:59,955 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-12 21:10:59,955 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:10:59,955 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-12 21:10:59,955 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:10:59,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:10:59,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:10:59,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-12 21:10:59,956 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:11:00,015 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-12 21:11:00,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:11:00,024 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:00,042 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:11:00,042 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-12 21:11:00,042 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:11:00,042 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-12 21:11:00,042 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:11:00,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:11:00,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 21:11:00,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-12 21:11:00,043 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:11:00,061 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-12 21:11:00,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:11:00,075 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:00,081 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:00,103 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:11:00,103 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 140 [2020-10-12 21:11:00,103 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 21:11:00,103 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-10-12 21:11:00,104 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:11:00,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:11:00,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:11:00,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 137 [2020-10-12 21:11:00,104 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:11:00,109 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:11:00,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:11:00,109 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:00,110 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:11:00,110 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:11:00,110 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:11:00,110 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:11:00,110 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:11:00,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:11:00,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:11:00,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:11:00,111 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:11:00,111 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 21:11:00,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:11:00,112 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:00,112 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:11:00,112 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:11:00,113 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:11:00,113 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:11:00,113 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:11:00,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:11:00,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:11:00,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:11:00,113 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:11:00,114 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-12 21:11:00,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:11:00,114 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:00,115 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:11:00,115 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:11:00,115 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:11:00,115 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:11:00,115 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:11:00,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:11:00,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:11:00,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:11:00,116 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:11:00,116 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-12 21:11:00,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:11:00,117 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:00,117 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:11:00,117 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:11:00,117 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:11:00,118 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:11:00,118 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:11:00,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:11:00,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:11:00,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:11:00,118 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:11:00,119 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-12 21:11:00,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:11:00,119 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:00,120 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:11:00,120 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:11:00,120 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:11:00,120 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:11:00,120 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:11:00,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:11:00,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:11:00,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:11:00,121 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:11:00,121 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-12 21:11:00,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:11:00,122 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:00,122 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:11:00,123 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:11:00,123 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:11:00,123 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:11:00,123 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:11:00,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:11:00,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:11:00,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:11:00,124 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:11:00,125 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-12 21:11:00,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:11:00,126 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:00,126 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:11:00,126 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:11:00,126 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:11:00,127 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:11:00,127 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:11:00,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:11:00,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:11:00,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:11:00,127 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:11:00,128 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-12 21:11:00,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:11:00,128 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:00,129 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:11:00,129 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:11:00,129 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:11:00,129 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:11:00,129 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:11:00,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:11:00,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:11:00,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:11:00,130 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:11:00,131 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-12 21:11:00,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:11:00,131 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:00,132 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:11:00,132 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:11:00,132 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:11:00,132 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:11:00,132 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:11:00,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:11:00,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:11:00,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:11:00,133 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:11:00,133 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-12 21:11:00,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:11:00,134 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:00,134 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:11:00,134 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:11:00,134 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:11:00,135 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:11:00,135 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:11:00,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:11:00,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:11:00,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:11:00,135 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:11:00,136 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-12 21:11:00,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:11:00,136 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:00,137 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:11:00,137 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:11:00,137 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:11:00,137 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:11:00,137 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:11:00,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:11:00,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:11:00,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:11:00,138 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:11:00,138 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-12 21:11:00,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:11:00,139 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:00,139 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:11:00,140 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:11:00,140 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:11:00,140 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:11:00,140 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:11:00,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:11:00,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:11:00,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:11:00,140 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:11:00,145 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2020-10-12 21:11:00,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:11:00,149 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:00,162 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:11:00,162 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-12 21:11:00,163 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:11:00,163 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-12 21:11:00,163 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:11:00,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:11:00,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 21:11:00,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-12 21:11:00,164 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:11:00,219 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2020-10-12 21:11:00,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:11:00,221 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:00,222 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:11:00,222 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:11:00,223 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:11:00,223 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:11:00,223 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:11:00,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:11:00,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 21:11:00,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:11:00,224 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:11:00,297 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-12 21:11:00,298 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1095218211] [2020-10-12 21:11:00,298 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 21:11:00,298 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-12 21:11:00,298 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [283950426] [2020-10-12 21:11:00,299 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-12 21:11:00,299 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 21:11:00,299 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-12 21:11:00,299 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2020-10-12 21:11:00,300 INFO L87 Difference]: Start difference. First operand 2165 states and 2745 transitions. Second operand 10 states. [2020-10-12 21:11:00,512 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-12 21:11:04,548 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-12 21:11:07,052 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 21:11:07,052 INFO L93 Difference]: Finished difference Result 5567 states and 7404 transitions. [2020-10-12 21:11:07,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-10-12 21:11:07,053 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 218 [2020-10-12 21:11:07,053 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 21:11:07,069 INFO L225 Difference]: With dead ends: 5567 [2020-10-12 21:11:07,069 INFO L226 Difference]: Without dead ends: 3431 [2020-10-12 21:11:07,075 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=123, Invalid=297, Unknown=0, NotChecked=0, Total=420 [2020-10-12 21:11:07,079 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3431 states. [2020-10-12 21:11:07,465 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3431 to 2467. [2020-10-12 21:11:07,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2467 states. [2020-10-12 21:11:07,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2467 states to 2467 states and 3084 transitions. [2020-10-12 21:11:07,469 INFO L78 Accepts]: Start accepts. Automaton has 2467 states and 3084 transitions. Word has length 218 [2020-10-12 21:11:07,470 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 21:11:07,470 INFO L479 AbstractCegarLoop]: Abstraction has 2467 states and 3084 transitions. [2020-10-12 21:11:07,470 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-12 21:11:07,470 INFO L276 IsEmpty]: Start isEmpty. Operand 2467 states and 3084 transitions. [2020-10-12 21:11:07,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2020-10-12 21:11:07,471 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 21:11:07,471 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 21:11:07,471 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-12 21:11:07,472 INFO L427 AbstractCegarLoop]: === Iteration 11 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 21:11:07,472 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 21:11:07,472 INFO L82 PathProgramCache]: Analyzing trace with hash -943588644, now seen corresponding path program 1 times [2020-10-12 21:11:07,472 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 21:11:07,472 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1160139743] [2020-10-12 21:11:07,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 21:11:07,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:11:07,507 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:07,537 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:07,620 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:07,842 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:08,144 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:08,289 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:08,310 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:08,337 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:08,350 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:08,365 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:08,380 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:08,394 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:08,408 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:08,421 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:08,438 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:08,451 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:09,820 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:09,846 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:10,457 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:12,497 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:11:12,497 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 270 [2020-10-12 21:11:12,497 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 19 [2020-10-12 21:11:12,497 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-12 21:11:12,497 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:11:12,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-12 21:11:12,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 21:11:12,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 224 [2020-10-12 21:11:12,498 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:11:12,710 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-12 21:11:12,711 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:11:12,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:11:12,721 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:12,729 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:11:12,729 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:11:12,729 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:11:12,730 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-12 21:11:12,730 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:11:12,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:11:12,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:11:12,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 21:11:12,730 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:11:12,766 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 21:11:12,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:11:12,770 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:12,772 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:11:12,773 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:11:12,773 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:11:12,773 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 21:11:12,773 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:11:12,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:11:12,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:11:12,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 21:11:12,773 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:11:12,775 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 21:11:12,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:11:12,775 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:12,776 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:11:12,776 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 21:11:12,776 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:11:12,776 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:11:12,776 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:11:12,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:11:12,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:11:12,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 21:11:12,777 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:11:12,803 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-12 21:11:12,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:11:12,807 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:12,811 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:11:12,812 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-12 21:11:12,812 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:11:12,812 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 21:11:12,812 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:11:12,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:11:12,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:11:12,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-12 21:11:12,812 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:11:12,873 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-12 21:11:12,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:11:12,879 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:12,892 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:11:12,892 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-12 21:11:12,892 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:11:12,892 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-12 21:11:12,892 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:11:12,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:11:12,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 21:11:12,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-12 21:11:12,893 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:11:12,934 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-12 21:11:12,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:11:12,952 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:12,969 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:13,059 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:11:13,060 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 140 [2020-10-12 21:11:13,060 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 21:11:13,060 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 115 [2020-10-12 21:11:13,060 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:11:13,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 21:11:13,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 118 [2020-10-12 21:11:13,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 21:11:13,061 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:11:13,098 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:11:13,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:11:13,099 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:13,100 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:11:13,100 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:11:13,101 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:11:13,101 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:11:13,101 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:11:13,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:11:13,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:11:13,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:11:13,102 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:11:13,103 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 21:11:13,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:11:13,104 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:13,104 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:11:13,105 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:11:13,105 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:11:13,105 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:11:13,105 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:11:13,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:11:13,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:11:13,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:11:13,106 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:11:13,106 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-12 21:11:13,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:11:13,107 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:13,107 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:11:13,107 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:11:13,108 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:11:13,108 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:11:13,108 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:11:13,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:11:13,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:11:13,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:11:13,108 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:11:13,109 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-12 21:11:13,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:11:13,110 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:13,110 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:11:13,110 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:11:13,111 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:11:13,111 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:11:13,111 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:11:13,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:11:13,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:11:13,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:11:13,111 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:11:13,112 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-12 21:11:13,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:11:13,112 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:13,113 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:11:13,113 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:11:13,113 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:11:13,113 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:11:13,113 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:11:13,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:11:13,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:11:13,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:11:13,114 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:11:13,114 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-12 21:11:13,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:11:13,115 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:13,115 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:11:13,116 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:11:13,116 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:11:13,116 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:11:13,116 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:11:13,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:11:13,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:11:13,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:11:13,117 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:11:13,118 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-12 21:11:13,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:11:13,119 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:13,120 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:11:13,120 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:11:13,120 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:11:13,120 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:11:13,120 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:11:13,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:11:13,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:11:13,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:11:13,121 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:11:13,122 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-12 21:11:13,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:11:13,123 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:13,124 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:11:13,124 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:11:13,124 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:11:13,124 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:11:13,124 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:11:13,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:11:13,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:11:13,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:11:13,125 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:11:13,126 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-12 21:11:13,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:11:13,127 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:13,128 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:11:13,128 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:11:13,128 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:11:13,129 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:11:13,129 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:11:13,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:11:13,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:11:13,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:11:13,129 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:11:13,130 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-12 21:11:13,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:11:13,131 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:13,132 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:11:13,132 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:11:13,132 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:11:13,133 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:11:13,133 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:11:13,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:11:13,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:11:13,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:11:13,134 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:11:13,134 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-12 21:11:13,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:11:13,136 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:13,138 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:11:13,138 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:11:13,139 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:11:13,139 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:11:13,139 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:11:13,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:11:13,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:11:13,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 21:11:13,140 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:11:13,164 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-12 21:11:13,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:11:13,166 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:13,167 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:11:13,167 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:11:13,168 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:11:13,168 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:11:13,168 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:11:13,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:11:13,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:11:13,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:11:13,169 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:11:13,174 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2020-10-12 21:11:13,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:11:13,181 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:13,192 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:11:13,192 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-12 21:11:13,192 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:11:13,193 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-12 21:11:13,193 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:11:13,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:11:13,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 21:11:13,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-12 21:11:13,193 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:11:13,223 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2020-10-12 21:11:13,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:11:13,226 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:13,227 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:11:13,227 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:11:13,227 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:11:13,227 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:11:13,227 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:11:13,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:11:13,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 21:11:13,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:11:13,228 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:11:13,279 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-12 21:11:13,280 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1160139743] [2020-10-12 21:11:13,280 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 21:11:13,280 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-10-12 21:11:13,280 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1081745563] [2020-10-12 21:11:13,281 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-12 21:11:13,281 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 21:11:13,281 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-12 21:11:13,282 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=148, Unknown=0, NotChecked=0, Total=182 [2020-10-12 21:11:13,282 INFO L87 Difference]: Start difference. First operand 2467 states and 3084 transitions. Second operand 14 states. [2020-10-12 21:11:13,515 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-12 21:11:15,832 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-10-12 21:11:16,074 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-10-12 21:11:16,329 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-10-12 21:11:16,470 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2020-10-12 21:11:16,717 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-10-12 21:11:16,843 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-12 21:11:19,862 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-12 21:11:21,959 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-12 21:11:22,199 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-10-12 21:11:22,434 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-10-12 21:11:22,680 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-10-12 21:11:22,927 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-12 21:11:23,311 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-10-12 21:11:23,686 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-10-12 21:11:24,059 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-10-12 21:11:24,185 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-12 21:11:28,107 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 21:11:28,108 INFO L93 Difference]: Finished difference Result 6405 states and 8382 transitions. [2020-10-12 21:11:28,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2020-10-12 21:11:28,108 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 218 [2020-10-12 21:11:28,108 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 21:11:28,126 INFO L225 Difference]: With dead ends: 6405 [2020-10-12 21:11:28,126 INFO L226 Difference]: Without dead ends: 3967 [2020-10-12 21:11:28,133 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 411 ImplicationChecksByTransitivity, 5.0s TimeCoverageRelationStatistics Valid=397, Invalid=1409, Unknown=0, NotChecked=0, Total=1806 [2020-10-12 21:11:28,138 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3967 states. [2020-10-12 21:11:28,522 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3967 to 2719. [2020-10-12 21:11:28,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2719 states. [2020-10-12 21:11:28,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2719 states to 2719 states and 3345 transitions. [2020-10-12 21:11:28,527 INFO L78 Accepts]: Start accepts. Automaton has 2719 states and 3345 transitions. Word has length 218 [2020-10-12 21:11:28,527 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 21:11:28,527 INFO L479 AbstractCegarLoop]: Abstraction has 2719 states and 3345 transitions. [2020-10-12 21:11:28,527 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-12 21:11:28,527 INFO L276 IsEmpty]: Start isEmpty. Operand 2719 states and 3345 transitions. [2020-10-12 21:11:28,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2020-10-12 21:11:28,529 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 21:11:28,529 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 21:11:28,530 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-12 21:11:28,530 INFO L427 AbstractCegarLoop]: === Iteration 12 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 21:11:28,530 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 21:11:28,530 INFO L82 PathProgramCache]: Analyzing trace with hash -1225997284, now seen corresponding path program 1 times [2020-10-12 21:11:28,530 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 21:11:28,531 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1996875616] [2020-10-12 21:11:28,531 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 21:11:28,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat