/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.6 --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf language data_model -i ../../../trunk/examples/svcomp/systemc/transmitter.10.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-28 19:59:25,199 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-28 19:59:25,203 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-28 19:59:25,258 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-28 19:59:25,258 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-28 19:59:25,265 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-28 19:59:25,267 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-28 19:59:25,271 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-28 19:59:25,274 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-28 19:59:25,276 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-28 19:59:25,277 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-28 19:59:25,281 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-28 19:59:25,282 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-28 19:59:25,283 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-28 19:59:25,288 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-28 19:59:25,290 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-28 19:59:25,291 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-28 19:59:25,294 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-28 19:59:25,301 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-28 19:59:25,306 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-28 19:59:25,309 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-28 19:59:25,311 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-28 19:59:25,312 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-28 19:59:25,314 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-28 19:59:25,325 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-28 19:59:25,325 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-28 19:59:25,325 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-28 19:59:25,328 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-28 19:59:25,329 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-28 19:59:25,330 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-28 19:59:25,330 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-28 19:59:25,331 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-28 19:59:25,333 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-28 19:59:25,334 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-28 19:59:25,335 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-28 19:59:25,335 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-28 19:59:25,336 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-28 19:59:25,336 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-28 19:59:25,337 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-28 19:59:25,338 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-28 19:59:25,338 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-28 19:59:25,346 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-28 19:59:25,405 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-28 19:59:25,406 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-28 19:59:25,410 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-28 19:59:25,410 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-28 19:59:25,411 INFO L138 SettingsManager]: * Use SBE=true [2020-10-28 19:59:25,411 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-28 19:59:25,411 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-28 19:59:25,411 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-28 19:59:25,411 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-28 19:59:25,412 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-28 19:59:25,413 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-28 19:59:25,413 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-28 19:59:25,413 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-28 19:59:25,413 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-28 19:59:25,413 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-28 19:59:25,414 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-28 19:59:25,414 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-28 19:59:25,414 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-28 19:59:25,414 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-28 19:59:25,414 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-28 19:59:25,415 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-28 19:59:25,415 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-28 19:59:25,415 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-28 19:59:25,415 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-28 19:59:25,415 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-28 19:59:25,416 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-28 19:59:25,416 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-28 19:59:25,416 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-28 19:59:25,416 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-28 19:59:25,416 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.6;log-additional-information=true;unknown-allowed=true; [2020-10-28 19:59:25,838 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-28 19:59:25,868 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-28 19:59:25,871 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-28 19:59:25,872 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-28 19:59:25,873 INFO L275 PluginConnector]: CDTParser initialized [2020-10-28 19:59:25,874 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/systemc/transmitter.10.cil.c [2020-10-28 19:59:25,948 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/af1d0c70d/78d1a2a5c8e84046aded3d6c8f7814d5/FLAGfbcf2c4c7 [2020-10-28 19:59:26,642 INFO L306 CDTParser]: Found 1 translation units. [2020-10-28 19:59:26,642 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/systemc/transmitter.10.cil.c [2020-10-28 19:59:26,666 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/af1d0c70d/78d1a2a5c8e84046aded3d6c8f7814d5/FLAGfbcf2c4c7 [2020-10-28 19:59:26,970 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/af1d0c70d/78d1a2a5c8e84046aded3d6c8f7814d5 [2020-10-28 19:59:26,973 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-28 19:59:26,981 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-28 19:59:26,985 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-28 19:59:26,985 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-28 19:59:26,989 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-28 19:59:26,991 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 07:59:26" (1/1) ... [2020-10-28 19:59:26,996 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5c28b606 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 07:59:26, skipping insertion in model container [2020-10-28 19:59:26,996 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 07:59:26" (1/1) ... [2020-10-28 19:59:27,005 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-28 19:59:27,078 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-28 19:59:27,348 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 19:59:27,363 INFO L203 MainTranslator]: Completed pre-run [2020-10-28 19:59:27,451 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 19:59:27,486 INFO L208 MainTranslator]: Completed translation [2020-10-28 19:59:27,489 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 07:59:27 WrapperNode [2020-10-28 19:59:27,489 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-28 19:59:27,492 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-28 19:59:27,492 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-28 19:59:27,492 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-28 19:59:27,506 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 07:59:27" (1/1) ... [2020-10-28 19:59:27,508 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 07:59:27" (1/1) ... [2020-10-28 19:59:27,542 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 07:59:27" (1/1) ... [2020-10-28 19:59:27,545 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 07:59:27" (1/1) ... [2020-10-28 19:59:27,571 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 07:59:27" (1/1) ... [2020-10-28 19:59:27,596 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 07:59:27" (1/1) ... [2020-10-28 19:59:27,603 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 07:59:27" (1/1) ... [2020-10-28 19:59:27,614 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-28 19:59:27,617 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-28 19:59:27,617 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-28 19:59:27,617 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-28 19:59:27,618 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 07:59:27" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-28 19:59:27,710 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-28 19:59:27,711 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-28 19:59:27,711 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-28 19:59:27,711 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2020-10-28 19:59:27,711 INFO L138 BoogieDeclarations]: Found implementation of procedure master [2020-10-28 19:59:27,711 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit1 [2020-10-28 19:59:27,711 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit2 [2020-10-28 19:59:27,712 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit3 [2020-10-28 19:59:27,712 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit4 [2020-10-28 19:59:27,712 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit5 [2020-10-28 19:59:27,712 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit6 [2020-10-28 19:59:27,712 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit7 [2020-10-28 19:59:27,712 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit8 [2020-10-28 19:59:27,713 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit9 [2020-10-28 19:59:27,713 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit10 [2020-10-28 19:59:27,713 INFO L138 BoogieDeclarations]: Found implementation of procedure is_master_triggered [2020-10-28 19:59:27,713 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit1_triggered [2020-10-28 19:59:27,713 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit2_triggered [2020-10-28 19:59:27,713 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit3_triggered [2020-10-28 19:59:27,714 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit4_triggered [2020-10-28 19:59:27,714 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit5_triggered [2020-10-28 19:59:27,714 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit6_triggered [2020-10-28 19:59:27,714 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit7_triggered [2020-10-28 19:59:27,714 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit8_triggered [2020-10-28 19:59:27,714 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit9_triggered [2020-10-28 19:59:27,714 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit10_triggered [2020-10-28 19:59:27,715 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels [2020-10-28 19:59:27,715 INFO L138 BoogieDeclarations]: Found implementation of procedure init_threads [2020-10-28 19:59:27,715 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2020-10-28 19:59:27,715 INFO L138 BoogieDeclarations]: Found implementation of procedure eval [2020-10-28 19:59:27,715 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events [2020-10-28 19:59:27,715 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events [2020-10-28 19:59:27,716 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads [2020-10-28 19:59:27,716 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2020-10-28 19:59:27,716 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_time_events [2020-10-28 19:59:27,716 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_time_events [2020-10-28 19:59:27,716 INFO L138 BoogieDeclarations]: Found implementation of procedure init_model [2020-10-28 19:59:27,716 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_simulation [2020-10-28 19:59:27,716 INFO L138 BoogieDeclarations]: Found implementation of procedure start_simulation [2020-10-28 19:59:27,717 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-28 19:59:27,717 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-28 19:59:27,717 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-28 19:59:27,717 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-28 19:59:27,717 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-28 19:59:27,717 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-28 19:59:27,717 INFO L130 BoogieDeclarations]: Found specification of procedure error [2020-10-28 19:59:27,718 INFO L130 BoogieDeclarations]: Found specification of procedure is_master_triggered [2020-10-28 19:59:27,718 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit1_triggered [2020-10-28 19:59:27,718 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit2_triggered [2020-10-28 19:59:27,718 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit3_triggered [2020-10-28 19:59:27,718 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit4_triggered [2020-10-28 19:59:27,718 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit5_triggered [2020-10-28 19:59:27,718 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit6_triggered [2020-10-28 19:59:27,719 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit7_triggered [2020-10-28 19:59:27,719 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit8_triggered [2020-10-28 19:59:27,719 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit9_triggered [2020-10-28 19:59:27,719 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit10_triggered [2020-10-28 19:59:27,719 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2020-10-28 19:59:27,719 INFO L130 BoogieDeclarations]: Found specification of procedure master [2020-10-28 19:59:27,720 INFO L130 BoogieDeclarations]: Found specification of procedure transmit1 [2020-10-28 19:59:27,720 INFO L130 BoogieDeclarations]: Found specification of procedure transmit2 [2020-10-28 19:59:27,720 INFO L130 BoogieDeclarations]: Found specification of procedure transmit3 [2020-10-28 19:59:27,720 INFO L130 BoogieDeclarations]: Found specification of procedure transmit4 [2020-10-28 19:59:27,720 INFO L130 BoogieDeclarations]: Found specification of procedure transmit5 [2020-10-28 19:59:27,720 INFO L130 BoogieDeclarations]: Found specification of procedure transmit6 [2020-10-28 19:59:27,721 INFO L130 BoogieDeclarations]: Found specification of procedure transmit7 [2020-10-28 19:59:27,721 INFO L130 BoogieDeclarations]: Found specification of procedure transmit8 [2020-10-28 19:59:27,721 INFO L130 BoogieDeclarations]: Found specification of procedure transmit9 [2020-10-28 19:59:27,721 INFO L130 BoogieDeclarations]: Found specification of procedure transmit10 [2020-10-28 19:59:27,721 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels [2020-10-28 19:59:27,721 INFO L130 BoogieDeclarations]: Found specification of procedure init_threads [2020-10-28 19:59:27,721 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2020-10-28 19:59:27,722 INFO L130 BoogieDeclarations]: Found specification of procedure eval [2020-10-28 19:59:27,722 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events [2020-10-28 19:59:27,722 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events [2020-10-28 19:59:27,722 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads [2020-10-28 19:59:27,722 INFO L130 BoogieDeclarations]: Found specification of procedure fire_time_events [2020-10-28 19:59:27,722 INFO L130 BoogieDeclarations]: Found specification of procedure reset_time_events [2020-10-28 19:59:27,722 INFO L130 BoogieDeclarations]: Found specification of procedure init_model [2020-10-28 19:59:27,723 INFO L130 BoogieDeclarations]: Found specification of procedure stop_simulation [2020-10-28 19:59:27,723 INFO L130 BoogieDeclarations]: Found specification of procedure start_simulation [2020-10-28 19:59:27,723 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-28 19:59:27,723 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-28 19:59:27,723 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-28 19:59:27,723 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-28 19:59:27,724 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-28 19:59:27,724 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-28 19:59:27,724 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-28 19:59:28,878 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-28 19:59:28,879 INFO L298 CfgBuilder]: Removed 14 assume(true) statements. [2020-10-28 19:59:28,882 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 07:59:28 BoogieIcfgContainer [2020-10-28 19:59:28,882 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-28 19:59:28,884 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-28 19:59:28,884 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-28 19:59:28,887 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-28 19:59:28,888 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 07:59:26" (1/3) ... [2020-10-28 19:59:28,888 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d20c966 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 07:59:28, skipping insertion in model container [2020-10-28 19:59:28,889 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 07:59:27" (2/3) ... [2020-10-28 19:59:28,889 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d20c966 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 07:59:28, skipping insertion in model container [2020-10-28 19:59:28,889 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 07:59:28" (3/3) ... [2020-10-28 19:59:28,891 INFO L111 eAbstractionObserver]: Analyzing ICFG transmitter.10.cil.c [2020-10-28 19:59:28,903 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-28 19:59:28,908 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-28 19:59:28,921 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-28 19:59:28,950 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-28 19:59:28,951 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-28 19:59:28,951 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-28 19:59:28,951 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-28 19:59:28,951 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-28 19:59:28,951 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-28 19:59:28,951 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-28 19:59:28,952 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-28 19:59:28,981 INFO L276 IsEmpty]: Start isEmpty. Operand 413 states. [2020-10-28 19:59:29,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2020-10-28 19:59:29,005 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 19:59:29,006 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] [2020-10-28 19:59:29,007 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 19:59:29,013 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 19:59:29,014 INFO L82 PathProgramCache]: Analyzing trace with hash 212676544, now seen corresponding path program 1 times [2020-10-28 19:59:29,023 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 19:59:29,024 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1490692488] [2020-10-28 19:59:29,024 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 19:59:29,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:59:29,440 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:59:29,652 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:59:29,928 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:59:30,193 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:59:30,317 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:59:30,411 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:59:30,507 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:59:30,593 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:59:34,380 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:59:34,384 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 263 [2020-10-28 19:59:34,384 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-28 19:59:34,384 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5027 [2020-10-28 19:59:34,387 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:59:34,387 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:59:34,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:59:34,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-28 19:59:34,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-28 19:59:34,389 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-28 19:59:34,833 WARN L193 SmtUtils]: Spent 327.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-10-28 19:59:34,837 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 19:59:34,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:59:34,852 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:59:34,870 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:59:34,871 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 19:59:34,871 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:59:34,871 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-28 19:59:34,872 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:59:34,872 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:59:34,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:59:34,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:59:34,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:59:34,873 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 19:59:34,916 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 19:59:34,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:59:34,924 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:59:34,932 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:59:34,932 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 19:59:34,933 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:59:34,933 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-28 19:59:34,933 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:59:34,933 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:59:34,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:59:34,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:59:34,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 19:59:34,934 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:59:34,938 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 19:59:34,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:59:34,942 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:59:34,944 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:59:34,944 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 19:59:34,944 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:59:34,944 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 19:59:34,945 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:59:34,945 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:59:34,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:59:34,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:59:34,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 19:59:34,946 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:59:35,019 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 19:59:35,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:59:35,030 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:59:35,041 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:59:35,042 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-28 19:59:35,042 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:59:35,042 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-28 19:59:35,042 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:59:35,043 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:59:35,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:59:35,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 19:59:35,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-28 19:59:35,043 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:59:35,141 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-28 19:59:35,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:59:35,158 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:59:35,166 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:59:35,167 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-28 19:59:35,167 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:59:35,167 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-28 19:59:35,167 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:59:35,167 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:59:35,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:59:35,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 25 [2020-10-28 19:59:35,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:59:35,168 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:59:35,182 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-28 19:59:35,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:59:35,220 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:59:35,246 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:59:35,265 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:59:35,283 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:59:35,299 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:59:35,312 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:59:40,218 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:59:40,218 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 129 [2020-10-28 19:59:40,219 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-28 19:59:40,219 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5006 [2020-10-28 19:59:40,219 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:59:40,219 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:59:40,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:59:40,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 126 [2020-10-28 19:59:40,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:59:40,220 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 19:59:40,234 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 19:59:40,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:59:40,236 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:59:40,238 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:59:40,238 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:59:40,238 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:59:40,238 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:59:40,238 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:59:40,239 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:59:40,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:59:40,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:59:40,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:59:40,239 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:59:40,241 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 19:59:40,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:59:40,243 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:59:40,244 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:59:40,244 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:59:40,244 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:59:40,244 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:59:40,244 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:59:40,245 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:59:40,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:59:40,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:59:40,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:59:40,245 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:59:40,247 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 19:59:40,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:59:40,249 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:59:40,251 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:59:40,251 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:59:40,251 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:59:40,251 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 19:59:40,252 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:59:40,254 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:59:40,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:59:40,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:59:40,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:59:40,255 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-28 19:59:40,259 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-28 19:59:40,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:59:40,261 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:59:40,266 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:59:40,266 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:59:40,266 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:59:40,266 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 19:59:40,267 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:59:40,267 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:59:40,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:59:40,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:59:40,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:59:40,268 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:59:40,274 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 19:59:40,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:59:40,277 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:59:40,279 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:59:40,279 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:59:40,280 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:59:40,280 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 19:59:40,280 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:59:40,280 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:59:40,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:59:40,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:59:40,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:59:40,281 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:59:40,283 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-28 19:59:40,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:59:40,286 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:59:40,287 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:59:40,287 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:59:40,288 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:59:40,288 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 19:59:40,288 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:59:40,288 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:59:40,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:59:40,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:59:40,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:59:40,289 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:59:40,290 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-28 19:59:40,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:59:40,292 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:59:40,293 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:59:40,293 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:59:40,294 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:59:40,294 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:59:40,294 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:59:40,294 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:59:40,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:59:40,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:59:40,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:59:40,295 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:59:40,296 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-28 19:59:40,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:59:40,299 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:59:40,300 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:59:40,300 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:59:40,300 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:59:40,301 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:59:40,301 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:59:40,301 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:59:40,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:59:40,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:59:40,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:59:40,302 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 19:59:40,304 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-28 19:59:40,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:59:40,306 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:59:40,308 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:59:40,308 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:59:40,308 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:59:40,308 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:59:40,308 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:59:40,309 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:59:40,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:59:40,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:59:40,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:59:40,310 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 19:59:40,311 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-28 19:59:40,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:59:40,313 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:59:40,314 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:59:40,314 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:59:40,315 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:59:40,315 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:59:40,315 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:59:40,315 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:59:40,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:59:40,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:59:40,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:59:40,316 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 19:59:40,317 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-28 19:59:40,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:59:40,320 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:59:40,322 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:59:40,322 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:59:40,323 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:59:40,323 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:59:40,323 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:59:40,323 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:59:40,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:59:40,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:59:40,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:59:40,325 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 19:59:40,338 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2020-10-28 19:59:40,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:59:40,345 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:59:40,352 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:59:40,353 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-28 19:59:40,353 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:59:40,354 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-28 19:59:40,354 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:59:40,354 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:59:40,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:59:40,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 25 [2020-10-28 19:59:40,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:59:40,355 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:59:40,361 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2020-10-28 19:59:40,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:59:40,365 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:59:40,370 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:59:40,371 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 19:59:40,373 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:59:40,377 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 19:59:40,377 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:59:40,377 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:59:40,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:59:40,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 19:59:40,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:59:40,378 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:59:40,466 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 19:59:40,466 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1490692488] [2020-10-28 19:59:40,469 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 19:59:40,469 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-28 19:59:40,470 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1251066211] [2020-10-28 19:59:40,482 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-28 19:59:40,483 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 19:59:40,496 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-28 19:59:40,498 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-10-28 19:59:40,500 INFO L87 Difference]: Start difference. First operand 413 states. Second operand 8 states. [2020-10-28 19:59:40,870 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-10-28 19:59:41,016 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2020-10-28 19:59:41,322 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-10-28 19:59:48,329 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 19:59:48,329 INFO L93 Difference]: Finished difference Result 1063 states and 1732 transitions. [2020-10-28 19:59:48,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-28 19:59:48,332 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 211 [2020-10-28 19:59:48,332 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 19:59:48,368 INFO L225 Difference]: With dead ends: 1063 [2020-10-28 19:59:48,368 INFO L226 Difference]: Without dead ends: 656 [2020-10-28 19:59:48,382 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=62, Invalid=148, Unknown=0, NotChecked=0, Total=210 [2020-10-28 19:59:48,406 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 656 states. [2020-10-28 19:59:48,594 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 656 to 401. [2020-10-28 19:59:48,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 401 states. [2020-10-28 19:59:48,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 401 states to 401 states and 581 transitions. [2020-10-28 19:59:48,604 INFO L78 Accepts]: Start accepts. Automaton has 401 states and 581 transitions. Word has length 211 [2020-10-28 19:59:48,604 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 19:59:48,604 INFO L481 AbstractCegarLoop]: Abstraction has 401 states and 581 transitions. [2020-10-28 19:59:48,604 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-28 19:59:48,605 INFO L276 IsEmpty]: Start isEmpty. Operand 401 states and 581 transitions. [2020-10-28 19:59:48,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2020-10-28 19:59:48,619 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 19:59:48,620 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] [2020-10-28 19:59:48,620 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-28 19:59:48,620 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 19:59:48,621 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 19:59:48,621 INFO L82 PathProgramCache]: Analyzing trace with hash -274397182, now seen corresponding path program 1 times [2020-10-28 19:59:48,621 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 19:59:48,622 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1382956072] [2020-10-28 19:59:48,622 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 19:59:48,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:59:48,681 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:59:48,762 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:59:48,836 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:59:48,876 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:59:48,914 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:59:48,950 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:59:49,602 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:59:53,670 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:59:53,670 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 263 [2020-10-28 19:59:53,670 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-28 19:59:53,671 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5006 [2020-10-28 19:59:53,671 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:59:53,671 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:59:53,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-28 19:59:53,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 19:59:53,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-28 19:59:53,672 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:59:54,034 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-10-28 19:59:54,035 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 19:59:54,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:59:54,049 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:59:54,071 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:59:54,071 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 19:59:54,071 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:59:54,071 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-28 19:59:54,072 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:59:54,072 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:59:54,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:59:54,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:59:54,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 19:59:54,076 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-28 19:59:54,139 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 19:59:54,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:59:54,144 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:59:54,150 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:59:54,150 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 19:59:54,150 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:59:54,150 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 19:59:54,150 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:59:54,151 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:59:54,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:59:54,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:59:54,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 19:59:54,151 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:59:54,153 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 19:59:54,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:59:54,159 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:59:54,160 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:59:54,160 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 19:59:54,161 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:59:54,161 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 19:59:54,161 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:59:54,161 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:59:54,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:59:54,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:59:54,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 19:59:54,162 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:59:54,198 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 19:59:54,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:59:54,209 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:59:54,215 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:59:54,216 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-28 19:59:54,216 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:59:54,216 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 19:59:54,216 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:59:54,216 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:59:54,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:59:54,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:59:54,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-28 19:59:54,217 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:59:54,284 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-28 19:59:54,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:59:54,294 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:59:54,326 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:59:54,326 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-28 19:59:54,326 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:59:54,327 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-10-28 19:59:54,327 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:59:54,327 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:59:54,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 19:59:54,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 19:59:54,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-10-28 19:59:54,327 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:59:54,364 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-28 19:59:54,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:59:54,380 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:59:54,390 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:59:54,406 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:59:54,417 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:59:54,427 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:59:54,436 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:59:58,380 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:59:59,378 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:59:59,379 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 129 [2020-10-28 19:59:59,379 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-28 19:59:59,379 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-28 19:59:59,379 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:59:59,379 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:59:59,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:59:59,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 126 [2020-10-28 19:59:59,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:59:59,380 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:59:59,398 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 19:59:59,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:59:59,404 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:59:59,405 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:59:59,405 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:59:59,405 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:59:59,406 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 19:59:59,406 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:59:59,406 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:59:59,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:59:59,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:59:59,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:59:59,406 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:59:59,408 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 19:59:59,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:59:59,409 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:59:59,410 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:59:59,410 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:59:59,410 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:59:59,410 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:59:59,411 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:59:59,411 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:59:59,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:59:59,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:59:59,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:59:59,411 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:59:59,412 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 19:59:59,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:59:59,414 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:59:59,415 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:59:59,415 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:59:59,415 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:59:59,415 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:59:59,415 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:59:59,415 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:59:59,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:59:59,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:59:59,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:59:59,416 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:59:59,417 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-28 19:59:59,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:59:59,418 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:59:59,420 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:59:59,420 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:59:59,420 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:59:59,420 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:59:59,420 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:59:59,421 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:59:59,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:59:59,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:59:59,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:59:59,421 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:59:59,423 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 19:59:59,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:59:59,424 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:59:59,426 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:59:59,426 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:59:59,426 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:59:59,426 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:59:59,426 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:59:59,426 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:59:59,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:59:59,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:59:59,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:59:59,427 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:59:59,428 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-28 19:59:59,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:59:59,430 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:59:59,431 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:59:59,431 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:59:59,431 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:59:59,431 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:59:59,431 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:59:59,432 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:59:59,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:59:59,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:59:59,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:59:59,434 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-28 19:59:59,435 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-28 19:59:59,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:59:59,437 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:59:59,438 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:59:59,438 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:59:59,438 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:59:59,438 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:59:59,438 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:59:59,439 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:59:59,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:59:59,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:59:59,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:59:59,439 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:59:59,441 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-28 19:59:59,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:59:59,442 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:59:59,443 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:59:59,444 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:59:59,444 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:59:59,444 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:59:59,444 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:59:59,444 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:59:59,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:59:59,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:59:59,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:59:59,445 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:59:59,446 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-28 19:59:59,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:59:59,447 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:59:59,448 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:59:59,448 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:59:59,448 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:59:59,449 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:59:59,449 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:59:59,449 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:59:59,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:59:59,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:59:59,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:59:59,449 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:59:59,450 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-28 19:59:59,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:59:59,452 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:59:59,452 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:59:59,453 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:59:59,453 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:59:59,453 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:59:59,453 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:59:59,453 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:59:59,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:59:59,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:59:59,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:59:59,454 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:59:59,455 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-28 19:59:59,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:59:59,456 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:59:59,457 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:59:59,457 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:59:59,457 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:59:59,458 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:59:59,458 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:59:59,458 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:59:59,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:59:59,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:59:59,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:59:59,458 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:59:59,467 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2020-10-28 19:59:59,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:59:59,473 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:59:59,478 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:59:59,478 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-28 19:59:59,479 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:59:59,479 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 19:59:59,479 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:59:59,479 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:59:59,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:59:59,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 25 [2020-10-28 19:59:59,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:59:59,480 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:59:59,484 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2020-10-28 19:59:59,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:59:59,487 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:59:59,489 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:59:59,489 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 19:59:59,489 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:59:59,489 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 19:59:59,489 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:59:59,489 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:59:59,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:59:59,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 19:59:59,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:59:59,490 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:59:59,563 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 19:59:59,565 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1382956072] [2020-10-28 19:59:59,566 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 19:59:59,566 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-28 19:59:59,566 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [89070561] [2020-10-28 19:59:59,570 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-28 19:59:59,570 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 19:59:59,571 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-28 19:59:59,571 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2020-10-28 19:59:59,571 INFO L87 Difference]: Start difference. First operand 401 states and 581 transitions. Second operand 9 states. [2020-10-28 19:59:59,918 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-10-28 20:00:00,062 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2020-10-28 20:00:00,252 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2020-10-28 20:00:06,497 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 20:00:06,497 INFO L93 Difference]: Finished difference Result 1029 states and 1566 transitions. [2020-10-28 20:00:06,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-28 20:00:06,498 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 211 [2020-10-28 20:00:06,499 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 20:00:06,505 INFO L225 Difference]: With dead ends: 1029 [2020-10-28 20:00:06,505 INFO L226 Difference]: Without dead ends: 656 [2020-10-28 20:00:06,508 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=57, Invalid=125, Unknown=0, NotChecked=0, Total=182 [2020-10-28 20:00:06,510 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 656 states. [2020-10-28 20:00:06,586 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 656 to 401. [2020-10-28 20:00:06,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 401 states. [2020-10-28 20:00:06,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 401 states to 401 states and 578 transitions. [2020-10-28 20:00:06,590 INFO L78 Accepts]: Start accepts. Automaton has 401 states and 578 transitions. Word has length 211 [2020-10-28 20:00:06,590 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 20:00:06,590 INFO L481 AbstractCegarLoop]: Abstraction has 401 states and 578 transitions. [2020-10-28 20:00:06,590 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-28 20:00:06,590 INFO L276 IsEmpty]: Start isEmpty. Operand 401 states and 578 transitions. [2020-10-28 20:00:06,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2020-10-28 20:00:06,594 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 20:00:06,594 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] [2020-10-28 20:00:06,594 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-28 20:00:06,594 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 20:00:06,595 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 20:00:06,595 INFO L82 PathProgramCache]: Analyzing trace with hash 641843138, now seen corresponding path program 1 times [2020-10-28 20:00:06,595 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 20:00:06,595 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [637856132] [2020-10-28 20:00:06,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 20:00:06,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:00:06,644 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:00:06,750 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:00:06,828 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:00:06,921 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:00:06,958 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:00:06,992 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:00:07,027 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:00:07,059 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:00:11,640 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:00:11,640 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 263 [2020-10-28 20:00:11,640 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-28 20:00:11,640 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5011 [2020-10-28 20:00:11,640 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:00:11,641 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:00:11,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-28 20:00:11,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 20:00:11,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 46 [2020-10-28 20:00:11,641 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:00:12,077 WARN L193 SmtUtils]: Spent 394.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-10-28 20:00:12,079 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 20:00:12,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:00:12,097 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:00:12,120 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:00:12,120 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 20:00:12,121 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:00:12,121 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-28 20:00:12,121 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:00:12,121 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:00:12,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 20:00:12,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:00:12,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 20:00:12,122 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 20:00:12,182 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 20:00:12,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:00:12,188 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:00:12,191 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:00:12,191 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 20:00:12,191 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:00:12,191 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 20:00:12,192 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:00:12,192 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:00:12,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 20:00:12,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:00:12,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 20:00:12,192 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:00:12,195 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 20:00:12,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:00:12,197 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:00:12,199 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:00:12,199 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 20:00:12,199 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:00:12,199 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 20:00:12,200 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:00:12,200 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:00:12,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 20:00:12,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:00:12,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 20:00:12,201 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 20:00:12,253 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 20:00:12,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:00:12,260 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:00:12,269 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:00:12,269 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-28 20:00:12,269 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:00:12,269 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-28 20:00:12,269 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:00:12,270 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:00:12,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 20:00:12,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:00:12,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-28 20:00:12,270 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:00:12,367 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-28 20:00:12,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:00:12,383 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:00:12,412 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:00:12,413 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-28 20:00:12,413 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:00:12,413 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-10-28 20:00:12,413 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:00:12,414 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:00:12,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 20:00:12,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 20:00:12,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-10-28 20:00:12,414 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 20:00:12,452 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-28 20:00:12,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:00:12,479 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:00:12,491 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:00:12,503 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:00:12,519 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:00:12,530 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:00:12,539 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:00:12,545 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:00:17,476 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:00:17,476 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 129 [2020-10-28 20:00:17,476 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-28 20:00:17,476 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5004 [2020-10-28 20:00:17,477 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:00:17,477 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:00:17,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:00:17,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 126 [2020-10-28 20:00:17,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:00:17,477 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:00:17,485 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 20:00:17,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:00:17,486 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:00:17,487 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:00:17,487 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 20:00:17,488 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:00:17,488 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 20:00:17,488 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:00:17,488 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:00:17,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:00:17,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:00:17,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:00:17,489 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:00:17,490 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 20:00:17,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:00:17,491 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:00:17,492 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:00:17,492 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 20:00:17,492 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:00:17,493 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 20:00:17,493 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:00:17,493 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:00:17,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:00:17,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:00:17,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:00:17,494 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:00:17,495 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 20:00:17,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:00:17,496 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:00:17,497 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:00:17,497 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 20:00:17,497 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:00:17,497 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 20:00:17,498 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:00:17,498 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:00:17,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:00:17,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:00:17,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:00:17,498 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:00:17,499 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-28 20:00:17,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:00:17,501 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:00:17,502 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:00:17,502 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 20:00:17,502 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:00:17,502 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 20:00:17,502 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:00:17,502 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:00:17,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:00:17,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:00:17,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:00:17,503 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:00:17,504 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 20:00:17,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:00:17,506 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:00:17,507 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:00:17,507 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 20:00:17,507 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:00:17,507 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 20:00:17,507 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:00:17,507 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:00:17,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:00:17,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:00:17,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:00:17,508 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:00:17,509 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-28 20:00:17,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:00:17,510 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:00:17,512 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:00:17,512 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 20:00:17,512 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:00:17,512 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 20:00:17,512 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:00:17,512 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:00:17,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:00:17,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:00:17,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:00:17,513 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:00:17,514 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-28 20:00:17,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:00:17,515 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:00:17,516 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:00:17,516 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 20:00:17,517 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:00:17,517 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 20:00:17,517 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:00:17,517 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:00:17,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:00:17,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:00:17,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:00:17,518 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:00:17,519 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-28 20:00:17,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:00:17,520 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:00:17,521 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:00:17,521 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 20:00:17,521 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:00:17,522 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 20:00:17,522 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:00:17,522 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:00:17,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:00:17,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:00:17,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:00:17,523 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:00:17,524 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-28 20:00:17,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:00:17,525 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:00:17,526 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:00:17,526 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 20:00:17,526 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:00:17,526 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 20:00:17,527 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:00:17,527 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:00:17,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:00:17,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:00:17,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:00:17,527 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:00:17,528 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-28 20:00:17,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:00:17,530 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:00:17,531 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:00:17,531 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 20:00:17,531 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:00:17,531 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 20:00:17,532 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:00:17,532 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:00:17,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:00:17,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:00:17,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:00:17,532 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:00:17,533 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-28 20:00:17,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:00:17,535 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:00:17,536 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:00:17,536 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 20:00:17,536 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:00:17,536 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 20:00:17,537 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:00:17,537 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:00:17,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:00:17,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:00:17,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:00:17,537 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:00:17,556 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2020-10-28 20:00:17,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:00:17,562 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:00:17,567 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:00:17,567 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-28 20:00:17,567 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:00:17,567 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 20:00:17,567 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:00:17,568 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:00:17,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:00:17,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 25 [2020-10-28 20:00:17,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:00:17,568 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:00:17,572 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2020-10-28 20:00:17,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:00:17,574 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:00:17,575 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:00:17,575 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 20:00:17,575 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:00:17,575 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 20:00:17,575 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:00:17,576 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:00:17,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:00:17,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 20:00:17,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:00:17,576 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:00:17,647 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 20:00:17,648 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [637856132] [2020-10-28 20:00:17,648 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 20:00:17,648 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-28 20:00:17,649 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [905418679] [2020-10-28 20:00:17,649 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-28 20:00:17,649 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 20:00:17,650 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-28 20:00:17,650 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2020-10-28 20:00:17,650 INFO L87 Difference]: Start difference. First operand 401 states and 578 transitions. Second operand 9 states. [2020-10-28 20:00:17,995 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-10-28 20:00:18,293 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2020-10-28 20:00:24,617 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 20:00:24,617 INFO L93 Difference]: Finished difference Result 1029 states and 1557 transitions. [2020-10-28 20:00:24,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-28 20:00:24,618 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 211 [2020-10-28 20:00:24,618 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 20:00:24,624 INFO L225 Difference]: With dead ends: 1029 [2020-10-28 20:00:24,624 INFO L226 Difference]: Without dead ends: 656 [2020-10-28 20:00:24,626 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=57, Invalid=125, Unknown=0, NotChecked=0, Total=182 [2020-10-28 20:00:24,627 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 656 states. [2020-10-28 20:00:24,706 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 656 to 401. [2020-10-28 20:00:24,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 401 states. [2020-10-28 20:00:24,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 401 states to 401 states and 575 transitions. [2020-10-28 20:00:24,710 INFO L78 Accepts]: Start accepts. Automaton has 401 states and 575 transitions. Word has length 211 [2020-10-28 20:00:24,710 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 20:00:24,710 INFO L481 AbstractCegarLoop]: Abstraction has 401 states and 575 transitions. [2020-10-28 20:00:24,710 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-28 20:00:24,710 INFO L276 IsEmpty]: Start isEmpty. Operand 401 states and 575 transitions. [2020-10-28 20:00:24,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2020-10-28 20:00:24,714 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 20:00:24,714 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] [2020-10-28 20:00:24,714 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-28 20:00:24,715 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 20:00:24,715 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 20:00:24,715 INFO L82 PathProgramCache]: Analyzing trace with hash 1759911938, now seen corresponding path program 1 times [2020-10-28 20:00:24,715 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 20:00:24,716 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1349750054] [2020-10-28 20:00:24,716 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 20:00:24,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:00:24,760 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:00:24,849 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:00:24,907 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:00:24,975 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:00:25,048 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:00:25,072 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:00:25,094 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:00:25,116 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:00:25,190 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:00:29,761 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:00:29,762 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 263 [2020-10-28 20:00:29,762 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-10-28 20:00:29,762 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5016 [2020-10-28 20:00:29,762 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:00:29,762 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:00:29,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-28 20:00:29,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 20:00:29,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 48 [2020-10-28 20:00:29,763 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:00:30,089 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-10-28 20:00:30,092 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 20:00:30,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:00:30,104 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:00:30,118 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:00:30,118 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 20:00:30,119 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:00:30,119 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-28 20:00:30,119 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:00:30,119 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:00:30,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 20:00:30,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:00:30,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 20:00:30,120 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:00:30,169 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 20:00:30,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:00:30,177 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:00:30,180 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:00:30,180 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 20:00:30,181 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:00:30,181 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 20:00:30,181 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:00:30,181 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:00:30,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 20:00:30,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:00:30,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 20:00:30,182 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:00:30,183 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 20:00:30,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:00:30,189 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:00:30,190 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:00:30,190 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 20:00:30,190 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:00:30,190 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 20:00:30,191 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:00:30,191 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:00:30,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 20:00:30,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:00:30,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 20:00:30,192 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 20:00:30,230 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 20:00:30,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:00:30,236 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:00:30,242 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:00:30,242 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-28 20:00:30,243 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:00:30,243 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 20:00:30,243 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:00:30,243 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:00:30,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 20:00:30,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:00:30,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-28 20:00:30,244 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:00:30,313 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-28 20:00:30,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:00:30,324 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:00:30,344 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:00:30,344 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-28 20:00:30,344 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:00:30,344 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-28 20:00:30,344 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:00:30,345 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:00:30,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 20:00:30,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 20:00:30,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-10-28 20:00:30,345 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:00:30,375 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-28 20:00:30,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:00:30,389 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:00:30,396 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:00:30,403 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:00:30,408 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:00:30,413 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:00:30,418 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:00:32,933 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:00:35,387 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:00:35,387 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 129 [2020-10-28 20:00:35,396 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-28 20:00:35,396 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-28 20:00:35,396 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:00:35,396 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:00:35,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:00:35,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 126 [2020-10-28 20:00:35,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:00:35,397 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:00:35,402 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 20:00:35,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:00:35,404 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:00:35,405 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:00:35,405 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 20:00:35,406 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:00:35,406 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 20:00:35,406 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:00:35,406 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:00:35,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:00:35,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:00:35,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:00:35,406 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:00:35,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 20:00:35,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:00:35,408 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:00:35,409 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:00:35,409 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 20:00:35,409 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:00:35,409 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 20:00:35,410 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:00:35,410 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:00:35,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:00:35,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:00:35,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:00:35,410 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:00:35,411 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 20:00:35,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:00:35,413 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:00:35,414 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:00:35,414 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 20:00:35,414 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:00:35,414 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 20:00:35,414 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:00:35,414 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:00:35,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:00:35,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:00:35,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:00:35,415 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:00:35,416 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-28 20:00:35,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:00:35,419 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:00:35,420 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:00:35,420 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 20:00:35,420 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:00:35,421 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 20:00:35,421 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:00:35,421 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:00:35,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:00:35,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:00:35,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:00:35,422 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 20:00:35,423 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 20:00:35,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:00:35,424 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:00:35,424 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:00:35,425 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 20:00:35,425 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:00:35,425 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 20:00:35,425 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:00:35,425 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:00:35,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:00:35,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:00:35,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:00:35,425 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:00:35,426 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-28 20:00:35,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:00:35,427 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:00:35,428 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:00:35,428 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 20:00:35,428 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:00:35,428 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 20:00:35,428 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:00:35,429 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:00:35,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:00:35,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:00:35,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:00:35,429 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:00:35,430 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-28 20:00:35,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:00:35,431 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:00:35,431 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:00:35,431 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 20:00:35,431 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:00:35,432 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 20:00:35,432 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:00:35,432 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:00:35,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:00:35,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:00:35,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:00:35,432 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:00:35,433 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-28 20:00:35,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:00:35,434 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:00:35,435 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:00:35,435 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 20:00:35,435 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:00:35,435 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 20:00:35,435 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:00:35,436 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:00:35,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:00:35,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:00:35,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:00:35,436 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:00:35,437 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-28 20:00:35,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:00:35,438 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:00:35,439 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:00:35,439 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 20:00:35,439 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:00:35,440 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 20:00:35,440 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:00:35,440 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:00:35,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:00:35,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:00:35,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:00:35,441 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:00:35,442 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-28 20:00:35,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:00:35,443 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:00:35,444 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:00:35,444 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 20:00:35,444 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:00:35,444 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 20:00:35,445 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:00:35,445 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:00:35,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:00:35,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:00:35,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:00:35,445 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:00:35,446 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-28 20:00:35,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:00:35,447 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:00:35,448 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:00:35,448 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 20:00:35,448 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:00:35,449 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 20:00:35,449 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:00:35,449 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:00:35,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:00:35,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:00:35,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:00:35,449 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:00:35,459 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2020-10-28 20:00:35,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:00:35,464 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:00:35,469 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:00:35,469 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-28 20:00:35,469 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:00:35,469 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 20:00:35,469 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:00:35,469 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:00:35,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:00:35,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 25 [2020-10-28 20:00:35,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:00:35,470 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:00:35,473 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2020-10-28 20:00:35,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:00:35,476 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:00:35,477 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:00:35,477 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 20:00:35,477 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:00:35,477 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 20:00:35,477 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:00:35,477 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:00:35,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:00:35,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 20:00:35,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:00:35,478 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:00:35,555 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 20:00:35,555 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1349750054] [2020-10-28 20:00:35,555 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 20:00:35,555 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-28 20:00:35,556 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [122966872] [2020-10-28 20:00:35,556 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-28 20:00:35,557 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 20:00:35,557 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-28 20:00:35,557 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2020-10-28 20:00:35,557 INFO L87 Difference]: Start difference. First operand 401 states and 575 transitions. Second operand 9 states. [2020-10-28 20:00:35,863 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-10-28 20:00:36,007 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2020-10-28 20:00:36,195 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2020-10-28 20:00:41,241 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 20:00:41,242 INFO L93 Difference]: Finished difference Result 1029 states and 1548 transitions. [2020-10-28 20:00:41,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-28 20:00:41,242 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 211 [2020-10-28 20:00:41,243 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 20:00:41,248 INFO L225 Difference]: With dead ends: 1029 [2020-10-28 20:00:41,248 INFO L226 Difference]: Without dead ends: 656 [2020-10-28 20:00:41,251 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=57, Invalid=125, Unknown=0, NotChecked=0, Total=182 [2020-10-28 20:00:41,252 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 656 states. [2020-10-28 20:00:41,326 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 656 to 401. [2020-10-28 20:00:41,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 401 states. [2020-10-28 20:00:41,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 401 states to 401 states and 572 transitions. [2020-10-28 20:00:41,329 INFO L78 Accepts]: Start accepts. Automaton has 401 states and 572 transitions. Word has length 211 [2020-10-28 20:00:41,330 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 20:00:41,330 INFO L481 AbstractCegarLoop]: Abstraction has 401 states and 572 transitions. [2020-10-28 20:00:41,330 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-28 20:00:41,330 INFO L276 IsEmpty]: Start isEmpty. Operand 401 states and 572 transitions. [2020-10-28 20:00:41,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2020-10-28 20:00:41,333 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 20:00:41,334 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] [2020-10-28 20:00:41,334 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-28 20:00:41,334 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 20:00:41,334 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 20:00:41,334 INFO L82 PathProgramCache]: Analyzing trace with hash -576352190, now seen corresponding path program 1 times [2020-10-28 20:00:41,335 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 20:00:41,335 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [384668985] [2020-10-28 20:00:41,335 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 20:00:41,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:00:41,380 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:00:41,454 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:00:41,517 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:00:41,566 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:00:41,610 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:00:41,631 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:00:41,651 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:00:41,671 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:00:41,737 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:00:46,378 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:00:46,378 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 263 [2020-10-28 20:00:46,378 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-10-28 20:00:46,378 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5012 [2020-10-28 20:00:46,378 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:00:46,378 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:00:46,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-28 20:00:46,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 20:00:46,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 49 [2020-10-28 20:00:46,379 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:00:46,739 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-10-28 20:00:46,740 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 20:00:46,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:00:46,752 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:00:46,767 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:00:46,768 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 20:00:46,768 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:00:46,768 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-28 20:00:46,768 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:00:46,768 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:00:46,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 20:00:46,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:00:46,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 20:00:46,768 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:00:46,814 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 20:00:46,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:00:46,819 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:00:46,822 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:00:46,823 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 20:00:46,823 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:00:46,823 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 20:00:46,823 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:00:46,823 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:00:46,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 20:00:46,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:00:46,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 20:00:46,824 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:00:46,825 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 20:00:46,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:00:46,827 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:00:46,828 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:00:46,828 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 20:00:46,828 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:00:46,828 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 20:00:46,828 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:00:46,828 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:00:46,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 20:00:46,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:00:46,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 20:00:46,829 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:00:46,867 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 20:00:46,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:00:46,872 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:00:46,879 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:00:46,879 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-28 20:00:46,879 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:00:46,879 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 20:00:46,879 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:00:46,879 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:00:46,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 20:00:46,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:00:46,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-28 20:00:46,880 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:00:46,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-28 20:00:46,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:00:46,959 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:00:46,980 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:00:46,980 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-28 20:00:46,980 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:00:46,981 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-28 20:00:46,981 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:00:46,981 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:00:46,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 20:00:46,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 20:00:46,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-10-28 20:00:46,981 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:00:47,016 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-28 20:00:47,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:00:47,031 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:00:47,041 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:00:47,054 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:00:47,069 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:00:47,082 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:00:47,090 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:00:49,847 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:00:52,030 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:00:52,030 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 129 [2020-10-28 20:00:52,030 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-28 20:00:52,030 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-28 20:00:52,030 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:00:52,031 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:00:52,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:00:52,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 126 [2020-10-28 20:00:52,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:00:52,031 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:00:52,036 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 20:00:52,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:00:52,037 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:00:52,038 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:00:52,038 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 20:00:52,038 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:00:52,038 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 20:00:52,038 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:00:52,038 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:00:52,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:00:52,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:00:52,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:00:52,039 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:00:52,039 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 20:00:52,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:00:52,040 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:00:52,041 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:00:52,041 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 20:00:52,041 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:00:52,041 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 20:00:52,041 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:00:52,041 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:00:52,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:00:52,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:00:52,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:00:52,041 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:00:52,042 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 20:00:52,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:00:52,043 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:00:52,043 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:00:52,043 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 20:00:52,044 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:00:52,044 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 20:00:52,044 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:00:52,044 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:00:52,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:00:52,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:00:52,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:00:52,044 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:00:52,045 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-28 20:00:52,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:00:52,046 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:00:52,046 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:00:52,047 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 20:00:52,047 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:00:52,047 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 20:00:52,047 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:00:52,047 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:00:52,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:00:52,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:00:52,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:00:52,047 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:00:52,048 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 20:00:52,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:00:52,049 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:00:52,049 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:00:52,049 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 20:00:52,050 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:00:52,050 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 20:00:52,050 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:00:52,050 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:00:52,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:00:52,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:00:52,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:00:52,050 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:00:52,051 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-28 20:00:52,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:00:52,052 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:00:52,052 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:00:52,053 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 20:00:52,053 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:00:52,053 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 20:00:52,053 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:00:52,053 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:00:52,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:00:52,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:00:52,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:00:52,053 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:00:52,054 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-28 20:00:52,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:00:52,055 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:00:52,055 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:00:52,056 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 20:00:52,056 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:00:52,056 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 20:00:52,056 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:00:52,056 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:00:52,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:00:52,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:00:52,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:00:52,056 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:00:52,057 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-28 20:00:52,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:00:52,058 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:00:52,059 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:00:52,059 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 20:00:52,059 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:00:52,059 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 20:00:52,059 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:00:52,059 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:00:52,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:00:52,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:00:52,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:00:52,060 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:00:52,061 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-28 20:00:52,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:00:52,062 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:00:52,063 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:00:52,063 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 20:00:52,063 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:00:52,063 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 20:00:52,063 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:00:52,063 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:00:52,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:00:52,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:00:52,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:00:52,064 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:00:52,064 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-28 20:00:52,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:00:52,065 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:00:52,066 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:00:52,066 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 20:00:52,066 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:00:52,066 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 20:00:52,066 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:00:52,066 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:00:52,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:00:52,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:00:52,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:00:52,067 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:00:52,067 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-28 20:00:52,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:00:52,069 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:00:52,070 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:00:52,070 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 20:00:52,070 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:00:52,070 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 20:00:52,070 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:00:52,070 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:00:52,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:00:52,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:00:52,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:00:52,071 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:00:52,078 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2020-10-28 20:00:52,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:00:52,083 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:00:52,088 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:00:52,088 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-28 20:00:52,089 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:00:52,089 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 20:00:52,089 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:00:52,089 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:00:52,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:00:52,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 25 [2020-10-28 20:00:52,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:00:52,089 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:00:52,093 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2020-10-28 20:00:52,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:00:52,094 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:00:52,095 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:00:52,095 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 20:00:52,096 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:00:52,096 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 20:00:52,096 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:00:52,096 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:00:52,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:00:52,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 20:00:52,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:00:52,097 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:00:52,158 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 20:00:52,158 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [384668985] [2020-10-28 20:00:52,159 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 20:00:52,159 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-28 20:00:52,159 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [751374954] [2020-10-28 20:00:52,159 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-28 20:00:52,159 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 20:00:52,160 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-28 20:00:52,160 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2020-10-28 20:00:52,160 INFO L87 Difference]: Start difference. First operand 401 states and 572 transitions. Second operand 10 states. [2020-10-28 20:00:52,520 WARN L193 SmtUtils]: Spent 315.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-10-28 20:00:52,652 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2020-10-28 20:00:52,853 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2020-10-28 20:00:59,211 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 20:00:59,211 INFO L93 Difference]: Finished difference Result 1029 states and 1539 transitions. [2020-10-28 20:00:59,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-28 20:00:59,212 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 211 [2020-10-28 20:00:59,213 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 20:00:59,222 INFO L225 Difference]: With dead ends: 1029 [2020-10-28 20:00:59,222 INFO L226 Difference]: Without dead ends: 656 [2020-10-28 20:00:59,224 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=65, Invalid=145, Unknown=0, NotChecked=0, Total=210 [2020-10-28 20:00:59,226 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 656 states. [2020-10-28 20:00:59,315 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 656 to 401. [2020-10-28 20:00:59,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 401 states. [2020-10-28 20:00:59,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 401 states to 401 states and 569 transitions. [2020-10-28 20:00:59,317 INFO L78 Accepts]: Start accepts. Automaton has 401 states and 569 transitions. Word has length 211 [2020-10-28 20:00:59,317 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 20:00:59,317 INFO L481 AbstractCegarLoop]: Abstraction has 401 states and 569 transitions. [2020-10-28 20:00:59,317 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-28 20:00:59,317 INFO L276 IsEmpty]: Start isEmpty. Operand 401 states and 569 transitions. [2020-10-28 20:00:59,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2020-10-28 20:00:59,322 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 20:00:59,322 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] [2020-10-28 20:00:59,323 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-28 20:00:59,323 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 20:00:59,323 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 20:00:59,323 INFO L82 PathProgramCache]: Analyzing trace with hash -1760094206, now seen corresponding path program 1 times [2020-10-28 20:00:59,323 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 20:00:59,324 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1483193500] [2020-10-28 20:00:59,324 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 20:00:59,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:00:59,369 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:00:59,442 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:00:59,504 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:00:59,554 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:00:59,600 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:00:59,627 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:00:59,652 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:00:59,671 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:00:59,761 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:04,367 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:01:04,367 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 263 [2020-10-28 20:01:04,367 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-10-28 20:01:04,367 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5012 [2020-10-28 20:01:04,368 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:01:04,368 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:01:04,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-28 20:01:04,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 20:01:04,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 50 [2020-10-28 20:01:04,368 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:01:04,710 WARN L193 SmtUtils]: Spent 300.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-10-28 20:01:04,711 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 20:01:04,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:01:04,720 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:04,729 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:01:04,730 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 20:01:04,730 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:01:04,730 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-28 20:01:04,730 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:01:04,730 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:01:04,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 20:01:04,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:01:04,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 20:01:04,730 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:01:04,779 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 20:01:04,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:01:04,784 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:04,787 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:01:04,787 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 20:01:04,787 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:01:04,787 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 20:01:04,787 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:01:04,787 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:01:04,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 20:01:04,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:01:04,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 20:01:04,788 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:01:04,789 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 20:01:04,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:01:04,791 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:04,791 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:01:04,791 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 20:01:04,792 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:01:04,792 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 20:01:04,792 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:01:04,792 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:01:04,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 20:01:04,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:01:04,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 20:01:04,793 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:01:04,826 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 20:01:04,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:01:04,830 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:04,836 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:01:04,836 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-28 20:01:04,836 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:01:04,836 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 20:01:04,836 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:01:04,837 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:01:04,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 20:01:04,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:01:04,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-28 20:01:04,837 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:01:04,901 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-28 20:01:04,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:01:04,908 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:04,924 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:01:04,924 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-28 20:01:04,924 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:01:04,924 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-28 20:01:04,924 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:01:04,924 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:01:04,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 20:01:04,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 20:01:04,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-10-28 20:01:04,925 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:01:04,957 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-28 20:01:04,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:01:04,967 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:04,972 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:04,978 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:04,983 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:04,989 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:04,994 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:07,272 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:09,968 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:01:09,968 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 129 [2020-10-28 20:01:09,968 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-28 20:01:09,968 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5004 [2020-10-28 20:01:09,968 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:01:09,968 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:01:09,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:01:09,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 126 [2020-10-28 20:01:09,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:01:09,969 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:01:09,974 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 20:01:09,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:01:09,975 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:09,976 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:01:09,976 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 20:01:09,976 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:01:09,976 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 20:01:09,976 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:01:09,976 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:01:09,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:01:09,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:01:09,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:01:09,977 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:01:09,977 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 20:01:09,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:01:09,978 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:09,979 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:01:09,979 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 20:01:09,979 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:01:09,979 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 20:01:09,979 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:01:09,979 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:01:09,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:01:09,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:01:09,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:01:09,979 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:01:09,980 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 20:01:09,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:01:09,981 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:09,981 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:01:09,981 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 20:01:09,981 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:01:09,981 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 20:01:09,982 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:01:09,982 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:01:09,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:01:09,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:01:09,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:01:09,982 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:01:09,983 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-28 20:01:09,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:01:09,983 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:09,984 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:01:09,984 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 20:01:09,984 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:01:09,984 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 20:01:09,984 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:01:09,984 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:01:09,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:01:09,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:01:09,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:01:09,985 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:01:09,985 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 20:01:09,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:01:09,986 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:09,986 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:01:09,987 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 20:01:09,987 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:01:09,987 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 20:01:09,987 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:01:09,987 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:01:09,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:01:09,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:01:09,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:01:09,987 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:01:09,988 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-28 20:01:09,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:01:09,989 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:09,989 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:01:09,989 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 20:01:09,989 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:01:09,989 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 20:01:09,990 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:01:09,990 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:01:09,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:01:09,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:01:09,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:01:09,990 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:01:09,991 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-28 20:01:09,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:01:09,991 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:09,992 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:01:09,992 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 20:01:09,993 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:01:09,993 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 20:01:09,993 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:01:09,993 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:01:09,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:01:09,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:01:09,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:01:09,994 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:01:09,994 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-28 20:01:09,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:01:09,995 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:09,996 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:01:09,997 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 20:01:09,997 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:01:09,997 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 20:01:09,997 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:01:09,997 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:01:09,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:01:09,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:01:09,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:01:09,998 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:01:09,998 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-28 20:01:09,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:01:10,000 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:10,000 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:01:10,001 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 20:01:10,001 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:01:10,001 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 20:01:10,001 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:01:10,001 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:01:10,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:01:10,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:01:10,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:01:10,002 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:01:10,003 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-28 20:01:10,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:01:10,004 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:10,005 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:01:10,005 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 20:01:10,005 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:01:10,005 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 20:01:10,005 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:01:10,005 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:01:10,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:01:10,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:01:10,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:01:10,006 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:01:10,007 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-28 20:01:10,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:01:10,008 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:10,009 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:01:10,009 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 20:01:10,009 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:01:10,009 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 20:01:10,009 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:01:10,010 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:01:10,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:01:10,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:01:10,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:01:10,010 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:01:10,017 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2020-10-28 20:01:10,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:01:10,021 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:10,026 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:01:10,026 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-28 20:01:10,026 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:01:10,027 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 20:01:10,027 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:01:10,027 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:01:10,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:01:10,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 25 [2020-10-28 20:01:10,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:01:10,027 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:01:10,030 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2020-10-28 20:01:10,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:01:10,032 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:10,033 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:01:10,033 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 20:01:10,033 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:01:10,033 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 20:01:10,033 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:01:10,033 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:01:10,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:01:10,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 20:01:10,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:01:10,034 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:01:10,088 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 20:01:10,089 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1483193500] [2020-10-28 20:01:10,089 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 20:01:10,089 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-28 20:01:10,089 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2013049037] [2020-10-28 20:01:10,090 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-28 20:01:10,090 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 20:01:10,090 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-28 20:01:10,090 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2020-10-28 20:01:10,091 INFO L87 Difference]: Start difference. First operand 401 states and 569 transitions. Second operand 10 states. [2020-10-28 20:01:10,433 WARN L193 SmtUtils]: Spent 301.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-10-28 20:01:10,564 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2020-10-28 20:01:10,753 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2020-10-28 20:01:17,011 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 20:01:17,012 INFO L93 Difference]: Finished difference Result 1029 states and 1530 transitions. [2020-10-28 20:01:17,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-28 20:01:17,012 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 211 [2020-10-28 20:01:17,013 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 20:01:17,018 INFO L225 Difference]: With dead ends: 1029 [2020-10-28 20:01:17,018 INFO L226 Difference]: Without dead ends: 656 [2020-10-28 20:01:17,021 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=68, Invalid=142, Unknown=0, NotChecked=0, Total=210 [2020-10-28 20:01:17,023 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 656 states. [2020-10-28 20:01:17,113 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 656 to 401. [2020-10-28 20:01:17,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 401 states. [2020-10-28 20:01:17,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 401 states to 401 states and 566 transitions. [2020-10-28 20:01:17,116 INFO L78 Accepts]: Start accepts. Automaton has 401 states and 566 transitions. Word has length 211 [2020-10-28 20:01:17,116 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 20:01:17,116 INFO L481 AbstractCegarLoop]: Abstraction has 401 states and 566 transitions. [2020-10-28 20:01:17,116 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-28 20:01:17,116 INFO L276 IsEmpty]: Start isEmpty. Operand 401 states and 566 transitions. [2020-10-28 20:01:17,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2020-10-28 20:01:17,120 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 20:01:17,120 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] [2020-10-28 20:01:17,120 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-28 20:01:17,120 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 20:01:17,121 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 20:01:17,121 INFO L82 PathProgramCache]: Analyzing trace with hash 695572546, now seen corresponding path program 1 times [2020-10-28 20:01:17,121 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 20:01:17,121 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [878547906] [2020-10-28 20:01:17,122 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 20:01:17,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:01:17,158 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:17,204 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:17,251 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:17,321 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:17,366 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:17,405 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:17,426 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:17,444 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:17,462 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:17,749 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:22,163 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:01:22,163 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 263 [2020-10-28 20:01:22,163 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 10 [2020-10-28 20:01:22,163 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5016 [2020-10-28 20:01:22,168 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:01:22,168 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:01:22,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-28 20:01:22,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 20:01:22,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 52 [2020-10-28 20:01:22,169 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:01:22,491 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-10-28 20:01:22,492 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 20:01:22,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:01:22,502 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:22,513 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:01:22,514 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 20:01:22,514 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:01:22,514 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-28 20:01:22,514 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:01:22,514 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:01:22,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 20:01:22,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:01:22,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 20:01:22,514 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:01:22,550 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 20:01:22,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:01:22,553 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:22,555 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:01:22,555 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 20:01:22,555 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:01:22,555 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 20:01:22,555 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:01:22,556 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:01:22,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 20:01:22,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:01:22,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 20:01:22,556 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:01:22,557 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 20:01:22,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:01:22,558 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:22,558 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:01:22,559 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 20:01:22,559 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:01:22,559 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 20:01:22,559 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:01:22,559 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:01:22,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 20:01:22,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:01:22,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 20:01:22,560 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:01:22,596 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 20:01:22,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:01:22,601 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:22,607 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:01:22,607 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-28 20:01:22,607 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:01:22,607 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 20:01:22,607 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:01:22,608 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:01:22,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 20:01:22,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:01:22,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-28 20:01:22,608 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:01:22,682 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-28 20:01:22,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:01:22,693 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:22,709 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:01:22,709 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-28 20:01:22,709 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:01:22,709 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-28 20:01:22,709 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:01:22,709 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:01:22,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 20:01:22,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 20:01:22,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-10-28 20:01:22,710 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:01:22,740 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-28 20:01:22,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:01:22,751 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:22,756 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:22,762 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:22,768 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:22,773 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:22,777 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:22,781 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:27,754 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:01:27,754 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 129 [2020-10-28 20:01:27,754 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-28 20:01:27,754 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5006 [2020-10-28 20:01:27,755 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:01:27,755 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:01:27,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:01:27,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 126 [2020-10-28 20:01:27,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:01:27,755 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:01:27,761 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 20:01:27,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:01:27,763 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:27,763 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:01:27,764 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 20:01:27,764 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:01:27,764 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 20:01:27,764 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:01:27,764 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:01:27,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:01:27,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:01:27,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:01:27,765 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:01:27,765 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 20:01:27,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:01:27,766 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:27,767 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:01:27,767 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 20:01:27,768 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:01:27,768 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 20:01:27,768 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:01:27,768 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:01:27,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:01:27,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:01:27,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:01:27,768 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:01:27,769 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 20:01:27,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:01:27,770 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:27,771 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:01:27,771 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 20:01:27,771 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:01:27,771 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 20:01:27,771 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:01:27,771 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:01:27,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:01:27,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:01:27,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:01:27,772 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:01:27,773 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-28 20:01:27,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:01:27,774 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:27,774 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:01:27,775 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 20:01:27,775 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:01:27,775 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 20:01:27,775 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:01:27,775 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:01:27,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:01:27,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:01:27,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:01:27,776 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:01:27,777 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 20:01:27,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:01:27,777 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:27,778 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:01:27,779 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 20:01:27,779 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:01:27,779 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 20:01:27,779 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:01:27,779 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:01:27,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:01:27,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:01:27,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:01:27,780 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:01:27,780 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-28 20:01:27,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:01:27,781 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:27,782 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:01:27,782 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 20:01:27,782 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:01:27,783 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 20:01:27,783 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:01:27,783 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:01:27,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:01:27,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:01:27,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:01:27,784 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:01:27,784 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-28 20:01:27,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:01:27,785 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:27,786 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:01:27,786 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 20:01:27,787 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:01:27,787 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 20:01:27,787 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:01:27,787 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:01:27,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:01:27,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:01:27,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:01:27,788 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:01:27,788 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-28 20:01:27,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:01:27,790 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:27,791 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:01:27,791 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 20:01:27,791 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:01:27,791 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 20:01:27,791 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:01:27,791 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:01:27,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:01:27,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:01:27,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:01:27,792 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:01:27,793 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-28 20:01:27,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:01:27,794 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:27,795 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:01:27,795 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 20:01:27,795 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:01:27,795 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 20:01:27,795 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:01:27,795 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:01:27,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:01:27,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:01:27,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:01:27,796 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:01:27,796 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-28 20:01:27,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:01:27,797 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:27,798 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:01:27,798 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 20:01:27,799 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:01:27,799 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 20:01:27,799 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:01:27,799 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:01:27,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:01:27,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:01:27,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:01:27,799 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:01:27,800 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-28 20:01:27,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:01:27,801 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:27,802 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:01:27,802 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 20:01:27,802 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:01:27,803 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 20:01:27,803 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:01:27,803 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:01:27,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:01:27,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:01:27,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:01:27,803 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:01:27,810 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2020-10-28 20:01:27,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:01:27,814 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:27,819 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:01:27,819 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-28 20:01:27,819 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:01:27,819 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 20:01:27,820 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:01:27,820 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:01:27,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:01:27,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 25 [2020-10-28 20:01:27,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:01:27,820 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:01:27,823 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2020-10-28 20:01:27,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:01:27,825 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:27,825 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:01:27,826 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 20:01:27,826 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:01:27,826 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 20:01:27,826 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:01:27,826 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:01:27,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:01:27,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 20:01:27,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:01:27,827 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:01:27,885 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 20:01:27,886 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [878547906] [2020-10-28 20:01:27,886 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 20:01:27,886 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-28 20:01:27,886 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1800750226] [2020-10-28 20:01:27,887 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-28 20:01:27,887 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 20:01:27,887 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-28 20:01:27,887 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2020-10-28 20:01:27,887 INFO L87 Difference]: Start difference. First operand 401 states and 566 transitions. Second operand 9 states. [2020-10-28 20:01:28,323 WARN L193 SmtUtils]: Spent 387.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-10-28 20:01:28,495 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2020-10-28 20:01:28,682 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2020-10-28 20:01:34,869 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 20:01:34,869 INFO L93 Difference]: Finished difference Result 1029 states and 1521 transitions. [2020-10-28 20:01:34,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-28 20:01:34,870 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 211 [2020-10-28 20:01:34,870 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 20:01:34,875 INFO L225 Difference]: With dead ends: 1029 [2020-10-28 20:01:34,875 INFO L226 Difference]: Without dead ends: 656 [2020-10-28 20:01:34,877 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=57, Invalid=125, Unknown=0, NotChecked=0, Total=182 [2020-10-28 20:01:34,879 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 656 states. [2020-10-28 20:01:34,956 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 656 to 401. [2020-10-28 20:01:34,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 401 states. [2020-10-28 20:01:34,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 401 states to 401 states and 563 transitions. [2020-10-28 20:01:34,958 INFO L78 Accepts]: Start accepts. Automaton has 401 states and 563 transitions. Word has length 211 [2020-10-28 20:01:34,958 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 20:01:34,958 INFO L481 AbstractCegarLoop]: Abstraction has 401 states and 563 transitions. [2020-10-28 20:01:34,958 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-28 20:01:34,959 INFO L276 IsEmpty]: Start isEmpty. Operand 401 states and 563 transitions. [2020-10-28 20:01:34,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2020-10-28 20:01:34,960 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 20:01:34,961 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] [2020-10-28 20:01:34,961 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-28 20:01:34,961 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 20:01:34,961 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 20:01:34,961 INFO L82 PathProgramCache]: Analyzing trace with hash -705222526, now seen corresponding path program 1 times [2020-10-28 20:01:34,961 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 20:01:34,962 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [241905829] [2020-10-28 20:01:34,962 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 20:01:34,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:01:35,001 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:35,047 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:35,094 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:35,139 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:35,185 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:35,233 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:35,254 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:35,274 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:35,292 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:35,589 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:40,005 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:01:40,005 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 263 [2020-10-28 20:01:40,005 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 10 [2020-10-28 20:01:40,005 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5017 [2020-10-28 20:01:40,006 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:01:40,006 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:01:40,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-28 20:01:40,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 20:01:40,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 54 [2020-10-28 20:01:40,006 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:01:40,327 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-10-28 20:01:40,328 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 20:01:40,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:01:40,338 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:40,350 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:01:40,350 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 20:01:40,350 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:01:40,350 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-28 20:01:40,350 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:01:40,350 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:01:40,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 20:01:40,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:01:40,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 20:01:40,351 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:01:40,394 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 20:01:40,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:01:40,398 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:40,401 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:01:40,401 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 20:01:40,401 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:01:40,401 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 20:01:40,401 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:01:40,401 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:01:40,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 20:01:40,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:01:40,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 20:01:40,402 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:01:40,404 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 20:01:40,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:01:40,405 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:40,406 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:01:40,406 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 20:01:40,406 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:01:40,406 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 20:01:40,406 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:01:40,406 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:01:40,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 20:01:40,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:01:40,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 20:01:40,407 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:01:40,438 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 20:01:40,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:01:40,443 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:40,448 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:01:40,448 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-28 20:01:40,448 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:01:40,448 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 20:01:40,448 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:01:40,448 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:01:40,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 20:01:40,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:01:40,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-28 20:01:40,449 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:01:40,518 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-28 20:01:40,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:01:40,527 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:40,538 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:01:40,539 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-28 20:01:40,539 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:01:40,539 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-28 20:01:40,539 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:01:40,539 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:01:40,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 20:01:40,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 20:01:40,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-10-28 20:01:40,539 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:01:40,598 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-28 20:01:40,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:01:40,611 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:40,618 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:40,625 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:40,630 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:40,635 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:40,639 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:42,972 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:45,609 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:01:45,609 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 129 [2020-10-28 20:01:45,609 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-28 20:01:45,609 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-28 20:01:45,609 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:01:45,609 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:01:45,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:01:45,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 126 [2020-10-28 20:01:45,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:01:45,610 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:01:45,614 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 20:01:45,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:01:45,615 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:45,616 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:01:45,616 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 20:01:45,616 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:01:45,616 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 20:01:45,616 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:01:45,616 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:01:45,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:01:45,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:01:45,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:01:45,617 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:01:45,617 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 20:01:45,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:01:45,618 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:45,619 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:01:45,619 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 20:01:45,619 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:01:45,619 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 20:01:45,619 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:01:45,619 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:01:45,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:01:45,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:01:45,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:01:45,620 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:01:45,620 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 20:01:45,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:01:45,621 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:45,622 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:01:45,622 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 20:01:45,622 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:01:45,622 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 20:01:45,622 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:01:45,623 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:01:45,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:01:45,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:01:45,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:01:45,623 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:01:45,624 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-28 20:01:45,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:01:45,625 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:45,626 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:01:45,626 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 20:01:45,626 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:01:45,626 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 20:01:45,626 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:01:45,626 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:01:45,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:01:45,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:01:45,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:01:45,627 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:01:45,628 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 20:01:45,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:01:45,629 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:45,630 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:01:45,630 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 20:01:45,630 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:01:45,630 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 20:01:45,630 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:01:45,630 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:01:45,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:01:45,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:01:45,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:01:45,631 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:01:45,632 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-28 20:01:45,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:01:45,633 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:45,634 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:01:45,634 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 20:01:45,634 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:01:45,634 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 20:01:45,634 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:01:45,634 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:01:45,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:01:45,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:01:45,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:01:45,635 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:01:45,636 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-28 20:01:45,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:01:45,637 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:45,638 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:01:45,638 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 20:01:45,638 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:01:45,638 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 20:01:45,639 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:01:45,639 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:01:45,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:01:45,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:01:45,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:01:45,639 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:01:45,640 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-28 20:01:45,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:01:45,641 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:45,642 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:01:45,642 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 20:01:45,642 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:01:45,642 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 20:01:45,642 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:01:45,643 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:01:45,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:01:45,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:01:45,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:01:45,643 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:01:45,644 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-28 20:01:45,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:01:45,645 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:45,645 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:01:45,646 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 20:01:45,646 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:01:45,646 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 20:01:45,646 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:01:45,646 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:01:45,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:01:45,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:01:45,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:01:45,647 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:01:45,648 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-28 20:01:45,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:01:45,649 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:45,649 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:01:45,649 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 20:01:45,650 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:01:45,650 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 20:01:45,650 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:01:45,650 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:01:45,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:01:45,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:01:45,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:01:45,650 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:01:45,651 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-28 20:01:45,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:01:45,652 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:45,653 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:01:45,653 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 20:01:45,653 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:01:45,653 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 20:01:45,654 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:01:45,654 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:01:45,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:01:45,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:01:45,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:01:45,654 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:01:45,661 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2020-10-28 20:01:45,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:01:45,665 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:45,670 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:01:45,670 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-28 20:01:45,670 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:01:45,671 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 20:01:45,671 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:01:45,671 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:01:45,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:01:45,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 25 [2020-10-28 20:01:45,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:01:45,671 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:01:45,674 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2020-10-28 20:01:45,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:01:45,676 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:45,677 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:01:45,677 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 20:01:45,677 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:01:45,677 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 20:01:45,677 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:01:45,678 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:01:45,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:01:45,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 20:01:45,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:01:45,678 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:01:45,743 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 20:01:45,743 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [241905829] [2020-10-28 20:01:45,743 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 20:01:45,744 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-28 20:01:45,744 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [785750996] [2020-10-28 20:01:45,744 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-28 20:01:45,745 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 20:01:45,745 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-28 20:01:45,745 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-10-28 20:01:45,745 INFO L87 Difference]: Start difference. First operand 401 states and 563 transitions. Second operand 9 states. [2020-10-28 20:01:46,111 WARN L193 SmtUtils]: Spent 321.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-10-28 20:01:46,245 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2020-10-28 20:01:46,448 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2020-10-28 20:01:50,654 WARN L193 SmtUtils]: Spent 304.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-10-28 20:01:50,852 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2020-10-28 20:01:55,024 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 20:01:55,024 INFO L93 Difference]: Finished difference Result 1298 states and 1912 transitions. [2020-10-28 20:01:55,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-28 20:01:55,025 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 211 [2020-10-28 20:01:55,025 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 20:01:55,031 INFO L225 Difference]: With dead ends: 1298 [2020-10-28 20:01:55,031 INFO L226 Difference]: Without dead ends: 925 [2020-10-28 20:01:55,033 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=91, Invalid=215, Unknown=0, NotChecked=0, Total=306 [2020-10-28 20:01:55,035 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 925 states. [2020-10-28 20:01:55,156 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 925 to 517. [2020-10-28 20:01:55,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 517 states. [2020-10-28 20:01:55,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 517 states to 517 states and 707 transitions. [2020-10-28 20:01:55,159 INFO L78 Accepts]: Start accepts. Automaton has 517 states and 707 transitions. Word has length 211 [2020-10-28 20:01:55,160 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 20:01:55,160 INFO L481 AbstractCegarLoop]: Abstraction has 517 states and 707 transitions. [2020-10-28 20:01:55,160 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-28 20:01:55,160 INFO L276 IsEmpty]: Start isEmpty. Operand 517 states and 707 transitions. [2020-10-28 20:01:55,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2020-10-28 20:01:55,162 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 20:01:55,162 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] [2020-10-28 20:01:55,162 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-28 20:01:55,162 INFO L429 AbstractCegarLoop]: === Iteration 9 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 20:01:55,163 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 20:01:55,163 INFO L82 PathProgramCache]: Analyzing trace with hash -367015742, now seen corresponding path program 1 times [2020-10-28 20:01:55,163 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 20:01:55,163 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [52310383] [2020-10-28 20:01:55,163 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 20:01:55,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:01:55,202 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:55,246 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:55,291 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:55,338 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:55,385 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:55,429 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:55,450 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:55,470 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:55,488 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:55,802 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:02:00,209 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:02:00,209 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 263 [2020-10-28 20:02:00,209 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 10 [2020-10-28 20:02:00,209 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5019 [2020-10-28 20:02:00,210 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:02:00,210 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:02:00,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-28 20:02:00,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 20:02:00,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 55 [2020-10-28 20:02:00,210 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:02:00,548 WARN L193 SmtUtils]: Spent 308.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-10-28 20:02:00,549 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 20:02:00,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:02:00,558 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:02:00,566 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:02:00,567 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 20:02:00,567 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:02:00,567 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-28 20:02:00,567 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:02:00,567 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:02:00,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 20:02:00,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:02:00,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 20:02:00,567 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:02:00,602 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 20:02:00,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:02:00,605 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:02:00,607 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:02:00,608 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 20:02:00,608 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:02:00,608 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 20:02:00,608 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:02:00,608 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:02:00,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 20:02:00,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:02:00,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 20:02:00,608 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:02:00,609 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 20:02:00,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:02:00,610 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:02:00,611 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:02:00,611 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 20:02:00,611 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:02:00,611 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 20:02:00,611 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:02:00,611 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:02:00,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 20:02:00,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:02:00,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 20:02:00,612 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:02:00,646 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 20:02:00,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:02:00,650 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:02:00,654 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:02:00,654 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-28 20:02:00,654 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:02:00,654 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 20:02:00,654 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:02:00,655 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:02:00,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 20:02:00,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:02:00,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-28 20:02:00,655 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:02:00,724 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-28 20:02:00,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:02:00,729 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:02:00,740 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:02:00,740 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-28 20:02:00,740 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:02:00,740 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-28 20:02:00,740 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:02:00,741 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:02:00,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 20:02:00,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 20:02:00,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-10-28 20:02:00,741 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:02:00,768 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-28 20:02:00,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:02:00,777 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:02:00,782 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:02:00,788 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:02:00,793 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:02:00,798 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:02:00,802 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:02:02,975 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:02:05,779 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:02:05,780 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 129 [2020-10-28 20:02:05,780 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-28 20:02:05,780 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5005 [2020-10-28 20:02:05,780 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:02:05,780 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:02:05,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:02:05,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 126 [2020-10-28 20:02:05,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:02:05,780 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:02:05,785 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 20:02:05,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:02:05,786 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:02:05,786 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:02:05,787 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 20:02:05,787 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:02:05,787 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 20:02:05,787 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:02:05,787 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:02:05,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:02:05,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:02:05,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:02:05,787 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:02:05,788 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 20:02:05,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:02:05,788 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:02:05,789 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:02:05,789 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 20:02:05,789 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:02:05,789 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 20:02:05,789 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:02:05,789 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:02:05,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:02:05,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:02:05,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:02:05,790 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:02:05,790 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 20:02:05,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:02:05,791 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:02:05,791 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:02:05,791 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 20:02:05,792 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:02:05,792 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 20:02:05,792 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:02:05,792 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:02:05,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:02:05,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:02:05,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:02:05,792 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:02:05,793 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-28 20:02:05,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:02:05,794 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:02:05,794 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:02:05,795 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 20:02:05,795 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:02:05,795 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 20:02:05,795 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:02:05,795 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:02:05,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:02:05,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:02:05,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:02:05,796 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:02:05,796 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 20:02:05,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:02:05,797 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:02:05,798 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:02:05,798 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 20:02:05,798 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:02:05,798 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 20:02:05,798 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:02:05,799 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:02:05,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:02:05,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:02:05,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:02:05,799 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:02:05,799 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-28 20:02:05,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:02:05,800 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:02:05,801 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:02:05,801 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 20:02:05,801 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:02:05,801 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 20:02:05,801 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:02:05,801 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:02:05,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:02:05,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:02:05,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:02:05,802 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:02:05,802 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-28 20:02:05,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:02:05,803 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:02:05,804 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:02:05,804 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 20:02:05,804 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:02:05,804 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 20:02:05,804 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:02:05,804 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:02:05,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:02:05,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:02:05,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:02:05,804 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:02:05,805 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-28 20:02:05,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:02:05,806 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:02:05,806 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:02:05,806 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 20:02:05,806 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:02:05,806 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 20:02:05,806 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:02:05,807 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:02:05,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:02:05,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:02:05,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:02:05,807 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:02:05,808 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-28 20:02:05,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:02:05,808 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:02:05,809 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:02:05,809 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 20:02:05,809 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:02:05,809 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 20:02:05,809 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:02:05,809 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:02:05,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:02:05,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:02:05,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:02:05,810 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:02:05,810 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-28 20:02:05,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:02:05,811 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:02:05,812 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:02:05,812 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 20:02:05,812 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:02:05,812 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 20:02:05,812 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:02:05,812 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:02:05,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:02:05,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:02:05,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:02:05,813 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:02:05,813 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-28 20:02:05,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:02:05,814 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:02:05,814 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:02:05,814 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 20:02:05,815 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:02:05,815 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 20:02:05,815 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:02:05,815 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:02:05,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:02:05,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:02:05,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:02:05,815 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:02:05,820 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2020-10-28 20:02:05,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:02:05,824 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:02:05,829 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:02:05,829 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-28 20:02:05,829 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:02:05,830 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 20:02:05,830 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:02:05,830 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:02:05,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:02:05,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 25 [2020-10-28 20:02:05,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:02:05,830 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:02:05,833 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2020-10-28 20:02:05,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:02:05,835 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:02:05,836 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:02:05,836 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 20:02:05,836 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:02:05,836 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 20:02:05,836 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:02:05,836 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:02:05,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:02:05,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 20:02:05,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:02:05,837 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:02:05,890 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 20:02:05,890 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [52310383] [2020-10-28 20:02:05,890 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 20:02:05,890 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-28 20:02:05,890 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2147208990] [2020-10-28 20:02:05,891 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-28 20:02:05,891 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 20:02:05,891 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-28 20:02:05,891 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2020-10-28 20:02:05,891 INFO L87 Difference]: Start difference. First operand 517 states and 707 transitions. Second operand 9 states. [2020-10-28 20:02:06,239 WARN L193 SmtUtils]: Spent 305.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-10-28 20:02:06,369 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2020-10-28 20:02:13,886 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 20:02:13,886 INFO L93 Difference]: Finished difference Result 1445 states and 2090 transitions. [2020-10-28 20:02:13,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-28 20:02:13,887 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 211 [2020-10-28 20:02:13,887 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 20:02:13,893 INFO L225 Difference]: With dead ends: 1445 [2020-10-28 20:02:13,894 INFO L226 Difference]: Without dead ends: 956 [2020-10-28 20:02:13,896 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=89, Invalid=217, Unknown=0, NotChecked=0, Total=306 [2020-10-28 20:02:13,898 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 956 states. [2020-10-28 20:02:14,068 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 956 to 633. [2020-10-28 20:02:14,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 633 states. [2020-10-28 20:02:14,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 633 states to 633 states and 849 transitions. [2020-10-28 20:02:14,071 INFO L78 Accepts]: Start accepts. Automaton has 633 states and 849 transitions. Word has length 211 [2020-10-28 20:02:14,071 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 20:02:14,072 INFO L481 AbstractCegarLoop]: Abstraction has 633 states and 849 transitions. [2020-10-28 20:02:14,072 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-28 20:02:14,072 INFO L276 IsEmpty]: Start isEmpty. Operand 633 states and 849 transitions. [2020-10-28 20:02:14,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2020-10-28 20:02:14,074 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 20:02:14,074 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] [2020-10-28 20:02:14,074 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-28 20:02:14,074 INFO L429 AbstractCegarLoop]: === Iteration 10 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 20:02:14,074 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 20:02:14,075 INFO L82 PathProgramCache]: Analyzing trace with hash -633200510, now seen corresponding path program 1 times [2020-10-28 20:02:14,075 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 20:02:14,075 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1330333349] [2020-10-28 20:02:14,075 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 20:02:14,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:02:14,128 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:02:14,186 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:02:14,235 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:02:14,284 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:02:14,331 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:02:14,377 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:02:14,398 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:02:14,417 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:02:14,436 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:02:14,753 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:02:19,131 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:02:19,131 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 263 [2020-10-28 20:02:19,131 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 10 [2020-10-28 20:02:19,131 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5023 [2020-10-28 20:02:19,132 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:02:19,132 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:02:19,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-28 20:02:19,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 20:02:19,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 56 [2020-10-28 20:02:19,132 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:02:19,451 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-10-28 20:02:19,452 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 20:02:19,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:02:19,463 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:02:19,477 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:02:19,477 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 20:02:19,477 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:02:19,477 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-28 20:02:19,477 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:02:19,478 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:02:19,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 20:02:19,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:02:19,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 20:02:19,478 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:02:19,511 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 20:02:19,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:02:19,515 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:02:19,517 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:02:19,517 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 20:02:19,517 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:02:19,519 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 20:02:19,519 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:02:19,519 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:02:19,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 20:02:19,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:02:19,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 20:02:19,520 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:02:19,521 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 20:02:19,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:02:19,522 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:02:19,523 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:02:19,523 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 20:02:19,523 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:02:19,523 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 20:02:19,523 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:02:19,523 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:02:19,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 20:02:19,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:02:19,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 20:02:19,524 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:02:19,557 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 20:02:19,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:02:19,561 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:02:19,564 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:02:19,565 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-28 20:02:19,565 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:02:19,565 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 20:02:19,565 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:02:19,565 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:02:19,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 20:02:19,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:02:19,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-28 20:02:19,565 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:02:19,636 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-28 20:02:19,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:02:19,645 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:02:19,657 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:02:19,657 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-28 20:02:19,657 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:02:19,657 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-28 20:02:19,657 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:02:19,657 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:02:19,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 20:02:19,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 20:02:19,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-10-28 20:02:19,658 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:02:19,685 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-28 20:02:19,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:02:19,694 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:02:19,700 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:02:19,706 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:02:19,712 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:02:19,717 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:02:19,722 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:02:21,943 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:02:24,694 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:02:24,694 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 129 [2020-10-28 20:02:24,694 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-28 20:02:24,694 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-28 20:02:24,694 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:02:24,694 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:02:24,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:02:24,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 126 [2020-10-28 20:02:24,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:02:24,695 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:02:24,701 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 20:02:24,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:02:24,702 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:02:24,703 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:02:24,703 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 20:02:24,703 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:02:24,703 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 20:02:24,703 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:02:24,703 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:02:24,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:02:24,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:02:24,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:02:24,703 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:02:24,704 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 20:02:24,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:02:24,705 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:02:24,705 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:02:24,705 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 20:02:24,705 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:02:24,705 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 20:02:24,706 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:02:24,706 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:02:24,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:02:24,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:02:24,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:02:24,706 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:02:24,706 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 20:02:24,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:02:24,707 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:02:24,708 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:02:24,708 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 20:02:24,708 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:02:24,708 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 20:02:24,708 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:02:24,708 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:02:24,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:02:24,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:02:24,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:02:24,708 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:02:24,709 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-28 20:02:24,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:02:24,710 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:02:24,710 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:02:24,710 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 20:02:24,710 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:02:24,710 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 20:02:24,710 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:02:24,711 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:02:24,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:02:24,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:02:24,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:02:24,711 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:02:24,711 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 20:02:24,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:02:24,712 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:02:24,713 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:02:24,713 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 20:02:24,713 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:02:24,713 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 20:02:24,714 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:02:24,714 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:02:24,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:02:24,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:02:24,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:02:24,714 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:02:24,715 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-28 20:02:24,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:02:24,716 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:02:24,716 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:02:24,717 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 20:02:24,717 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:02:24,717 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 20:02:24,717 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:02:24,717 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:02:24,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:02:24,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:02:24,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:02:24,718 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:02:24,718 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-28 20:02:24,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:02:24,719 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:02:24,720 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:02:24,720 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 20:02:24,721 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:02:24,721 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 20:02:24,721 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:02:24,721 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:02:24,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:02:24,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:02:24,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:02:24,721 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:02:24,722 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-28 20:02:24,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:02:24,723 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:02:24,724 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:02:24,724 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 20:02:24,724 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:02:24,725 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 20:02:24,725 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:02:24,725 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:02:24,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:02:24,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:02:24,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:02:24,725 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:02:24,726 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-28 20:02:24,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:02:24,727 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:02:24,728 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:02:24,728 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 20:02:24,728 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:02:24,728 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 20:02:24,728 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:02:24,728 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:02:24,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:02:24,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:02:24,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:02:24,729 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:02:24,730 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-28 20:02:24,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:02:24,731 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:02:24,731 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:02:24,732 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 20:02:24,732 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:02:24,732 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 20:02:24,732 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:02:24,732 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:02:24,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:02:24,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:02:24,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:02:24,733 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:02:24,733 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-28 20:02:24,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:02:24,734 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:02:24,735 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:02:24,735 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 20:02:24,735 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:02:24,735 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 20:02:24,736 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:02:24,736 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:02:24,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:02:24,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:02:24,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:02:24,736 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:02:24,742 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2020-10-28 20:02:24,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:02:24,746 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:02:24,749 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:02:24,749 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-28 20:02:24,749 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:02:24,750 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 20:02:24,750 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:02:24,750 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:02:24,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:02:24,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 25 [2020-10-28 20:02:24,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:02:24,750 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:02:24,752 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2020-10-28 20:02:24,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:02:24,753 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:02:24,754 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:02:24,754 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 20:02:24,754 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:02:24,754 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 20:02:24,754 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:02:24,754 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:02:24,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:02:24,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 20:02:24,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:02:24,755 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:02:24,794 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 20:02:24,794 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1330333349] [2020-10-28 20:02:24,795 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 20:02:24,795 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-28 20:02:24,795 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [72782233] [2020-10-28 20:02:24,795 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-28 20:02:24,796 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 20:02:24,796 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-28 20:02:24,796 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2020-10-28 20:02:24,796 INFO L87 Difference]: Start difference. First operand 633 states and 849 transitions. Second operand 9 states. [2020-10-28 20:02:25,140 WARN L193 SmtUtils]: Spent 300.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-10-28 20:02:25,274 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2020-10-28 20:02:25,470 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2020-10-28 20:02:32,779 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 20:02:32,779 INFO L93 Difference]: Finished difference Result 1711 states and 2426 transitions. [2020-10-28 20:02:32,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-28 20:02:32,780 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 211 [2020-10-28 20:02:32,781 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 20:02:32,786 INFO L225 Difference]: With dead ends: 1711 [2020-10-28 20:02:32,786 INFO L226 Difference]: Without dead ends: 1106 [2020-10-28 20:02:32,789 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=89, Invalid=217, Unknown=0, NotChecked=0, Total=306 [2020-10-28 20:02:32,790 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1106 states. [2020-10-28 20:02:32,973 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1106 to 749. [2020-10-28 20:02:32,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 749 states. [2020-10-28 20:02:32,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 749 states to 749 states and 989 transitions. [2020-10-28 20:02:32,977 INFO L78 Accepts]: Start accepts. Automaton has 749 states and 989 transitions. Word has length 211 [2020-10-28 20:02:32,977 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 20:02:32,977 INFO L481 AbstractCegarLoop]: Abstraction has 749 states and 989 transitions. [2020-10-28 20:02:32,977 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-28 20:02:32,977 INFO L276 IsEmpty]: Start isEmpty. Operand 749 states and 989 transitions. [2020-10-28 20:02:32,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2020-10-28 20:02:32,979 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 20:02:32,980 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] [2020-10-28 20:02:32,980 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-28 20:02:32,980 INFO L429 AbstractCegarLoop]: === Iteration 11 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 20:02:32,980 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 20:02:32,981 INFO L82 PathProgramCache]: Analyzing trace with hash 882233538, now seen corresponding path program 1 times [2020-10-28 20:02:32,981 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 20:02:32,981 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2026748009] [2020-10-28 20:02:32,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 20:02:33,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:02:33,024 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:02:33,097 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:02:33,173 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:02:33,249 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:02:33,328 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:02:33,369 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:02:33,388 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:02:33,407 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:02:33,461 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:02:33,836 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:02:38,023 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:02:38,023 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 263 [2020-10-28 20:02:38,023 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 10 [2020-10-28 20:02:38,023 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5014 [2020-10-28 20:02:38,023 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:02:38,023 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:02:38,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-28 20:02:38,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 20:02:38,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 57 [2020-10-28 20:02:38,024 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:02:38,359 WARN L193 SmtUtils]: Spent 310.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-10-28 20:02:38,363 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 20:02:38,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:02:38,371 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:02:38,382 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:02:38,382 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 20:02:38,382 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:02:38,382 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-28 20:02:38,382 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:02:38,382 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:02:38,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 20:02:38,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:02:38,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 20:02:38,382 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:02:38,416 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 20:02:38,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:02:38,420 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:02:38,423 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:02:38,423 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 20:02:38,423 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:02:38,423 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 20:02:38,423 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:02:38,423 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:02:38,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 20:02:38,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:02:38,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 20:02:38,424 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:02:38,425 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 20:02:38,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:02:38,426 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:02:38,427 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:02:38,427 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 20:02:38,427 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:02:38,427 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 20:02:38,427 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:02:38,427 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:02:38,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 20:02:38,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:02:38,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 20:02:38,428 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:02:38,466 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 20:02:38,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:02:38,471 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:02:38,475 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:02:38,475 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-28 20:02:38,475 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:02:38,475 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 20:02:38,475 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:02:38,475 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:02:38,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 20:02:38,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:02:38,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-28 20:02:38,476 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:02:38,544 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-28 20:02:38,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:02:38,549 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:02:38,562 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:02:38,562 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-28 20:02:38,562 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:02:38,562 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-28 20:02:38,562 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:02:38,562 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:02:38,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 20:02:38,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 20:02:38,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-10-28 20:02:38,562 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:02:38,590 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-28 20:02:38,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:02:38,599 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:02:38,605 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:02:38,610 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:02:38,615 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:02:38,619 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:02:38,623 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:02:40,865 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:02:43,601 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:02:43,601 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 129 [2020-10-28 20:02:43,601 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-28 20:02:43,601 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5004 [2020-10-28 20:02:43,601 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:02:43,601 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:02:43,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:02:43,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 126 [2020-10-28 20:02:43,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:02:43,602 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:02:43,606 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 20:02:43,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:02:43,607 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:02:43,608 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:02:43,608 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 20:02:43,609 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:02:43,609 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 20:02:43,609 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:02:43,609 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:02:43,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:02:43,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:02:43,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:02:43,609 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:02:43,610 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 20:02:43,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:02:43,611 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:02:43,612 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:02:43,612 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 20:02:43,612 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:02:43,612 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 20:02:43,613 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:02:43,613 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:02:43,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:02:43,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:02:43,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:02:43,613 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:02:43,614 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 20:02:43,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:02:43,615 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:02:43,616 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:02:43,616 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 20:02:43,616 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:02:43,616 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 20:02:43,616 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:02:43,616 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:02:43,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:02:43,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:02:43,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:02:43,617 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:02:43,617 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-28 20:02:43,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:02:43,618 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:02:43,619 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:02:43,619 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 20:02:43,619 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:02:43,619 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 20:02:43,620 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:02:43,620 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:02:43,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:02:43,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:02:43,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:02:43,620 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:02:43,621 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 20:02:43,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:02:43,622 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:02:43,622 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:02:43,623 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 20:02:43,623 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:02:43,623 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 20:02:43,623 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:02:43,623 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:02:43,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:02:43,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:02:43,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:02:43,624 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:02:43,624 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-28 20:02:43,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:02:43,625 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:02:43,626 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:02:43,626 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 20:02:43,626 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:02:43,626 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 20:02:43,626 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:02:43,627 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:02:43,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:02:43,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:02:43,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:02:43,627 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:02:43,628 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-28 20:02:43,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:02:43,629 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:02:43,630 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:02:43,630 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 20:02:43,630 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:02:43,630 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 20:02:43,630 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:02:43,630 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:02:43,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:02:43,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:02:43,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:02:43,631 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:02:43,632 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-28 20:02:43,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:02:43,633 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:02:43,634 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:02:43,634 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 20:02:43,634 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:02:43,634 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 20:02:43,634 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:02:43,634 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:02:43,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:02:43,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:02:43,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:02:43,635 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:02:43,635 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-28 20:02:43,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:02:43,636 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:02:43,637 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:02:43,637 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 20:02:43,637 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:02:43,638 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 20:02:43,638 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:02:43,638 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:02:43,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:02:43,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:02:43,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:02:43,638 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:02:43,639 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-28 20:02:43,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:02:43,640 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:02:43,641 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:02:43,641 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 20:02:43,641 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:02:43,641 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 20:02:43,641 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:02:43,641 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:02:43,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:02:43,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:02:43,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:02:43,642 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:02:43,642 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-28 20:02:43,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:02:43,643 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:02:43,644 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:02:43,644 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 20:02:43,644 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:02:43,644 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 20:02:43,645 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:02:43,645 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:02:43,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:02:43,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:02:43,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:02:43,645 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:02:43,651 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2020-10-28 20:02:43,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:02:43,656 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:02:43,660 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:02:43,660 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-28 20:02:43,660 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:02:43,660 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 20:02:43,660 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:02:43,660 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:02:43,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:02:43,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 25 [2020-10-28 20:02:43,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:02:43,661 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:02:43,663 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2020-10-28 20:02:43,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:02:43,664 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:02:43,665 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:02:43,665 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 20:02:43,665 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:02:43,666 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 20:02:43,666 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:02:43,666 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:02:43,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:02:43,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 20:02:43,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:02:43,666 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:02:43,710 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 20:02:43,711 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2026748009] [2020-10-28 20:02:43,711 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 20:02:43,711 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-28 20:02:43,711 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1387753410] [2020-10-28 20:02:43,712 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-28 20:02:43,712 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 20:02:43,712 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-28 20:02:43,713 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2020-10-28 20:02:43,713 INFO L87 Difference]: Start difference. First operand 749 states and 989 transitions. Second operand 9 states. [2020-10-28 20:02:44,055 WARN L193 SmtUtils]: Spent 300.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-10-28 20:02:44,184 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2020-10-28 20:02:44,371 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2020-10-28 20:02:48,160 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2020-10-28 20:02:51,769 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 20:02:51,769 INFO L93 Difference]: Finished difference Result 1977 states and 2758 transitions. [2020-10-28 20:02:51,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-28 20:02:51,770 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 211 [2020-10-28 20:02:51,770 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 20:02:51,776 INFO L225 Difference]: With dead ends: 1977 [2020-10-28 20:02:51,776 INFO L226 Difference]: Without dead ends: 1256 [2020-10-28 20:02:51,778 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=89, Invalid=217, Unknown=0, NotChecked=0, Total=306 [2020-10-28 20:02:51,780 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1256 states. [2020-10-28 20:02:52,005 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1256 to 865. [2020-10-28 20:02:52,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 865 states. [2020-10-28 20:02:52,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 865 states to 865 states and 1127 transitions. [2020-10-28 20:02:52,009 INFO L78 Accepts]: Start accepts. Automaton has 865 states and 1127 transitions. Word has length 211 [2020-10-28 20:02:52,009 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 20:02:52,010 INFO L481 AbstractCegarLoop]: Abstraction has 865 states and 1127 transitions. [2020-10-28 20:02:52,010 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-28 20:02:52,010 INFO L276 IsEmpty]: Start isEmpty. Operand 865 states and 1127 transitions. [2020-10-28 20:02:52,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2020-10-28 20:02:52,013 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 20:02:52,013 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] [2020-10-28 20:02:52,013 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-28 20:02:52,013 INFO L429 AbstractCegarLoop]: === Iteration 12 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 20:02:52,014 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 20:02:52,014 INFO L82 PathProgramCache]: Analyzing trace with hash -1418962365, now seen corresponding path program 1 times [2020-10-28 20:02:52,014 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 20:02:52,015 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [298027047] [2020-10-28 20:02:52,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 20:02:52,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:02:52,057 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:02:52,128 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:02:52,206 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:02:52,286 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:02:52,362 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:02:52,403 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:02:52,422 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:02:52,441 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:02:52,460 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:02:52,777 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:02:57,066 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:02:57,066 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 263 [2020-10-28 20:02:57,066 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 10 [2020-10-28 20:02:57,066 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5022 [2020-10-28 20:02:57,066 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:02:57,066 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:02:57,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-28 20:02:57,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 20:02:57,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 58 [2020-10-28 20:02:57,067 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:02:57,397 WARN L193 SmtUtils]: Spent 305.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-10-28 20:02:57,398 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 20:02:57,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:02:57,408 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:02:57,417 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:02:57,418 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 20:02:57,418 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:02:57,418 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-28 20:02:57,418 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:02:57,418 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:02:57,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 20:02:57,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:02:57,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 20:02:57,418 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:02:57,452 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 20:02:57,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:02:57,456 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:02:57,458 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:02:57,458 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 20:02:57,458 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:02:57,458 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 20:02:57,458 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:02:57,458 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:02:57,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 20:02:57,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:02:57,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 20:02:57,459 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:02:57,460 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 20:02:57,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:02:57,461 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:02:57,461 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:02:57,461 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 20:02:57,461 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:02:57,461 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 20:02:57,461 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:02:57,461 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:02:57,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 20:02:57,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:02:57,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 20:02:57,462 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:02:57,501 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 20:02:57,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:02:57,505 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:02:57,510 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:02:57,510 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-28 20:02:57,510 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:02:57,510 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 20:02:57,510 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:02:57,510 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:02:57,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 20:02:57,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:02:57,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-28 20:02:57,510 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:02:57,578 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-28 20:02:57,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:02:57,583 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:02:57,592 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:02:57,592 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-28 20:02:57,592 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:02:57,593 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-28 20:02:57,593 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:02:57,593 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:02:57,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 20:02:57,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 20:02:57,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-10-28 20:02:57,593 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:02:57,619 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-28 20:02:57,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:02:57,630 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:02:57,636 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:02:57,643 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:02:57,649 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:02:57,654 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:02:57,659 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:02:57,663 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:03:02,632 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:03:02,633 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 129 [2020-10-28 20:03:02,633 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-28 20:03:02,633 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5006 [2020-10-28 20:03:02,633 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:03:02,633 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:03:02,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:03:02,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 126 [2020-10-28 20:03:02,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:03:02,633 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:03:02,637 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 20:03:02,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:03:02,638 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:03:02,639 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:03:02,639 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 20:03:02,639 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:03:02,639 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 20:03:02,639 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:03:02,639 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:03:02,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:03:02,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:03:02,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:03:02,640 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:03:02,640 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 20:03:02,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:03:02,641 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:03:02,642 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:03:02,642 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 20:03:02,642 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:03:02,642 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 20:03:02,642 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:03:02,643 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:03:02,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:03:02,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:03:02,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:03:02,643 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:03:02,644 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 20:03:02,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:03:02,644 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:03:02,645 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:03:02,645 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 20:03:02,645 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:03:02,646 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 20:03:02,646 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:03:02,646 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:03:02,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:03:02,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:03:02,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:03:02,646 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:03:02,647 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-28 20:03:02,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:03:02,648 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:03:02,649 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:03:02,649 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 20:03:02,649 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:03:02,649 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 20:03:02,649 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:03:02,649 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:03:02,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:03:02,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:03:02,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:03:02,650 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:03:02,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 20:03:02,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:03:02,651 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:03:02,652 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:03:02,652 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 20:03:02,652 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:03:02,652 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 20:03:02,653 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:03:02,653 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:03:02,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:03:02,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:03:02,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:03:02,653 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:03:02,654 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-28 20:03:02,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:03:02,655 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:03:02,655 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:03:02,656 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 20:03:02,656 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:03:02,656 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 20:03:02,656 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:03:02,656 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:03:02,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:03:02,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:03:02,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:03:02,656 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:03:02,657 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-28 20:03:02,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:03:02,657 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:03:02,658 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:03:02,659 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 20:03:02,659 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:03:02,659 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 20:03:02,659 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:03:02,659 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:03:02,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:03:02,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:03:02,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:03:02,659 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:03:02,660 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-28 20:03:02,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:03:02,661 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:03:02,661 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:03:02,662 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 20:03:02,662 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:03:02,662 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 20:03:02,662 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:03:02,662 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:03:02,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:03:02,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:03:02,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:03:02,662 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:03:02,663 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-28 20:03:02,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:03:02,664 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:03:02,664 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:03:02,664 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 20:03:02,664 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:03:02,665 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 20:03:02,665 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:03:02,665 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:03:02,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:03:02,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:03:02,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:03:02,665 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:03:02,666 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-28 20:03:02,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:03:02,667 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:03:02,668 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:03:02,668 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 20:03:02,668 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:03:02,668 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 20:03:02,668 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:03:02,668 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:03:02,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:03:02,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:03:02,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:03:02,669 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:03:02,670 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-28 20:03:02,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:03:02,671 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:03:02,671 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:03:02,671 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 20:03:02,672 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:03:02,672 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 20:03:02,672 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:03:02,672 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:03:02,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:03:02,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:03:02,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:03:02,672 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:03:02,678 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2020-10-28 20:03:02,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:03:02,682 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:03:02,685 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:03:02,686 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-28 20:03:02,686 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:03:02,686 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 20:03:02,686 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:03:02,686 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:03:02,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:03:02,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 25 [2020-10-28 20:03:02,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:03:02,686 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:03:02,688 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2020-10-28 20:03:02,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:03:02,689 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:03:02,690 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:03:02,690 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 20:03:02,690 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:03:02,690 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 20:03:02,690 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:03:02,691 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:03:02,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:03:02,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 20:03:02,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:03:02,691 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:03:02,731 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 20:03:02,732 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [298027047] [2020-10-28 20:03:02,732 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 20:03:02,732 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-28 20:03:02,732 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1824884247] [2020-10-28 20:03:02,733 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-28 20:03:02,733 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 20:03:02,733 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-28 20:03:02,733 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2020-10-28 20:03:02,733 INFO L87 Difference]: Start difference. First operand 865 states and 1127 transitions. Second operand 9 states. [2020-10-28 20:03:03,079 WARN L193 SmtUtils]: Spent 316.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-10-28 20:03:03,208 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2020-10-28 20:03:03,399 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2020-10-28 20:03:10,730 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 20:03:10,730 INFO L93 Difference]: Finished difference Result 2243 states and 3086 transitions. [2020-10-28 20:03:10,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-28 20:03:10,731 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 211 [2020-10-28 20:03:10,732 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 20:03:10,738 INFO L225 Difference]: With dead ends: 2243 [2020-10-28 20:03:10,738 INFO L226 Difference]: Without dead ends: 1406 [2020-10-28 20:03:10,741 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=89, Invalid=217, Unknown=0, NotChecked=0, Total=306 [2020-10-28 20:03:10,742 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1406 states. [2020-10-28 20:03:10,958 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1406 to 981. [2020-10-28 20:03:10,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 981 states. [2020-10-28 20:03:10,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 981 states to 981 states and 1263 transitions. [2020-10-28 20:03:10,963 INFO L78 Accepts]: Start accepts. Automaton has 981 states and 1263 transitions. Word has length 211 [2020-10-28 20:03:10,963 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 20:03:10,963 INFO L481 AbstractCegarLoop]: Abstraction has 981 states and 1263 transitions. [2020-10-28 20:03:10,963 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-28 20:03:10,963 INFO L276 IsEmpty]: Start isEmpty. Operand 981 states and 1263 transitions. [2020-10-28 20:03:10,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2020-10-28 20:03:10,965 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 20:03:10,966 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] [2020-10-28 20:03:10,966 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-28 20:03:10,966 INFO L429 AbstractCegarLoop]: === Iteration 13 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 20:03:10,966 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 20:03:10,966 INFO L82 PathProgramCache]: Analyzing trace with hash -1079661662, now seen corresponding path program 1 times [2020-10-28 20:03:10,967 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 20:03:10,967 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [605146890] [2020-10-28 20:03:10,967 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 20:03:10,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:03:11,008 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:03:11,106 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:03:11,181 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:03:11,261 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:03:11,334 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:03:11,376 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:03:11,395 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:03:11,414 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:03:11,433 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:03:11,730 FATAL L256 erpolLogProxyWrapper]: Now shrinking...