/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=DEEPEST --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf language data_model -i ../../../trunk/examples/svcomp/systemc/token_ring.13.cil-2.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-28 01:08:28,611 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-28 01:08:28,616 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-28 01:08:28,667 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-28 01:08:28,668 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-28 01:08:28,669 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-28 01:08:28,671 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-28 01:08:28,674 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-28 01:08:28,676 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-28 01:08:28,677 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-28 01:08:28,678 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-28 01:08:28,680 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-28 01:08:28,680 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-28 01:08:28,681 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-28 01:08:28,683 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-28 01:08:28,684 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-28 01:08:28,685 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-28 01:08:28,686 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-28 01:08:28,689 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-28 01:08:28,691 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-28 01:08:28,693 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-28 01:08:28,694 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-28 01:08:28,696 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-28 01:08:28,697 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-28 01:08:28,717 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-28 01:08:28,717 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-28 01:08:28,718 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-28 01:08:28,722 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-28 01:08:28,723 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-28 01:08:28,724 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-28 01:08:28,724 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-28 01:08:28,725 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-28 01:08:28,726 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-28 01:08:28,727 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-28 01:08:28,729 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-28 01:08:28,730 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-28 01:08:28,731 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-28 01:08:28,731 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-28 01:08:28,731 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-28 01:08:28,732 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-28 01:08:28,734 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-28 01:08:28,735 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-28 01:08:28,791 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-28 01:08:28,792 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-28 01:08:28,797 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-28 01:08:28,797 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-28 01:08:28,797 INFO L138 SettingsManager]: * Use SBE=true [2020-10-28 01:08:28,798 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-28 01:08:28,798 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-28 01:08:28,798 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-28 01:08:28,799 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-28 01:08:28,799 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-28 01:08:28,800 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-28 01:08:28,800 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-28 01:08:28,800 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-28 01:08:28,801 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-28 01:08:28,801 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-28 01:08:28,801 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-28 01:08:28,801 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-28 01:08:28,801 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-28 01:08:28,802 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-28 01:08:28,802 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-28 01:08:28,802 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-28 01:08:28,802 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-28 01:08:28,803 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-28 01:08:28,803 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-28 01:08:28,803 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-28 01:08:28,803 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-28 01:08:28,804 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-28 01:08:28,804 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-28 01:08:28,804 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-28 01:08:28,804 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=DEEPEST;log-additional-information=true;unknown-allowed=true; [2020-10-28 01:08:29,217 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-28 01:08:29,267 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-28 01:08:29,271 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-28 01:08:29,272 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-28 01:08:29,273 INFO L275 PluginConnector]: CDTParser initialized [2020-10-28 01:08:29,274 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/systemc/token_ring.13.cil-2.c [2020-10-28 01:08:29,359 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/ea085bf69/8a701ccbb55b44f692e59d4b7038fafe/FLAG44dca0e34 [2020-10-28 01:08:30,098 INFO L306 CDTParser]: Found 1 translation units. [2020-10-28 01:08:30,099 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/systemc/token_ring.13.cil-2.c [2020-10-28 01:08:30,117 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/ea085bf69/8a701ccbb55b44f692e59d4b7038fafe/FLAG44dca0e34 [2020-10-28 01:08:30,405 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/ea085bf69/8a701ccbb55b44f692e59d4b7038fafe [2020-10-28 01:08:30,408 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-28 01:08:30,416 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-28 01:08:30,418 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-28 01:08:30,418 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-28 01:08:30,422 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-28 01:08:30,423 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 01:08:30" (1/1) ... [2020-10-28 01:08:30,427 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1e321c7f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 01:08:30, skipping insertion in model container [2020-10-28 01:08:30,427 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 01:08:30" (1/1) ... [2020-10-28 01:08:30,436 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-28 01:08:30,488 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-28 01:08:30,848 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 01:08:30,862 INFO L203 MainTranslator]: Completed pre-run [2020-10-28 01:08:31,016 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 01:08:31,073 INFO L208 MainTranslator]: Completed translation [2020-10-28 01:08:31,074 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 01:08:31 WrapperNode [2020-10-28 01:08:31,074 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-28 01:08:31,075 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-28 01:08:31,075 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-28 01:08:31,075 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-28 01:08:31,087 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 01:08:31" (1/1) ... [2020-10-28 01:08:31,088 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 01:08:31" (1/1) ... [2020-10-28 01:08:31,105 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 01:08:31" (1/1) ... [2020-10-28 01:08:31,105 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 01:08:31" (1/1) ... [2020-10-28 01:08:31,153 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 01:08:31" (1/1) ... [2020-10-28 01:08:31,195 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 01:08:31" (1/1) ... [2020-10-28 01:08:31,206 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 01:08:31" (1/1) ... [2020-10-28 01:08:31,225 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-28 01:08:31,226 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-28 01:08:31,228 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-28 01:08:31,228 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-28 01:08:31,229 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 01:08:31" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-28 01:08:31,321 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-28 01:08:31,321 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-28 01:08:31,321 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-28 01:08:31,322 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2020-10-28 01:08:31,322 INFO L138 BoogieDeclarations]: Found implementation of procedure master [2020-10-28 01:08:31,323 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit1 [2020-10-28 01:08:31,323 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit2 [2020-10-28 01:08:31,323 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit3 [2020-10-28 01:08:31,323 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit4 [2020-10-28 01:08:31,323 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit5 [2020-10-28 01:08:31,324 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit6 [2020-10-28 01:08:31,324 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit7 [2020-10-28 01:08:31,325 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit8 [2020-10-28 01:08:31,325 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit9 [2020-10-28 01:08:31,325 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit10 [2020-10-28 01:08:31,326 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit11 [2020-10-28 01:08:31,326 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit12 [2020-10-28 01:08:31,326 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit13 [2020-10-28 01:08:31,326 INFO L138 BoogieDeclarations]: Found implementation of procedure is_master_triggered [2020-10-28 01:08:31,326 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit1_triggered [2020-10-28 01:08:31,327 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit2_triggered [2020-10-28 01:08:31,327 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit3_triggered [2020-10-28 01:08:31,327 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit4_triggered [2020-10-28 01:08:31,327 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit5_triggered [2020-10-28 01:08:31,327 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit6_triggered [2020-10-28 01:08:31,327 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit7_triggered [2020-10-28 01:08:31,327 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit8_triggered [2020-10-28 01:08:31,328 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit9_triggered [2020-10-28 01:08:31,328 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit10_triggered [2020-10-28 01:08:31,328 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit11_triggered [2020-10-28 01:08:31,328 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit12_triggered [2020-10-28 01:08:31,328 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit13_triggered [2020-10-28 01:08:31,328 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels [2020-10-28 01:08:31,328 INFO L138 BoogieDeclarations]: Found implementation of procedure init_threads [2020-10-28 01:08:31,328 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2020-10-28 01:08:31,329 INFO L138 BoogieDeclarations]: Found implementation of procedure eval [2020-10-28 01:08:31,329 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events [2020-10-28 01:08:31,329 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events [2020-10-28 01:08:31,329 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads [2020-10-28 01:08:31,329 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2020-10-28 01:08:31,329 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_time_events [2020-10-28 01:08:31,329 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_time_events [2020-10-28 01:08:31,329 INFO L138 BoogieDeclarations]: Found implementation of procedure init_model [2020-10-28 01:08:31,330 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_simulation [2020-10-28 01:08:31,330 INFO L138 BoogieDeclarations]: Found implementation of procedure start_simulation [2020-10-28 01:08:31,330 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-28 01:08:31,330 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-28 01:08:31,330 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-28 01:08:31,330 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-28 01:08:31,330 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-28 01:08:31,331 INFO L130 BoogieDeclarations]: Found specification of procedure error [2020-10-28 01:08:31,331 INFO L130 BoogieDeclarations]: Found specification of procedure is_master_triggered [2020-10-28 01:08:31,331 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit1_triggered [2020-10-28 01:08:31,332 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit2_triggered [2020-10-28 01:08:31,332 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit3_triggered [2020-10-28 01:08:31,332 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit4_triggered [2020-10-28 01:08:31,332 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit5_triggered [2020-10-28 01:08:31,333 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit6_triggered [2020-10-28 01:08:31,333 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit7_triggered [2020-10-28 01:08:31,333 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit8_triggered [2020-10-28 01:08:31,333 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit9_triggered [2020-10-28 01:08:31,333 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit10_triggered [2020-10-28 01:08:31,333 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit11_triggered [2020-10-28 01:08:31,334 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit12_triggered [2020-10-28 01:08:31,334 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit13_triggered [2020-10-28 01:08:31,334 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2020-10-28 01:08:31,334 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-28 01:08:31,334 INFO L130 BoogieDeclarations]: Found specification of procedure master [2020-10-28 01:08:31,334 INFO L130 BoogieDeclarations]: Found specification of procedure transmit1 [2020-10-28 01:08:31,334 INFO L130 BoogieDeclarations]: Found specification of procedure transmit2 [2020-10-28 01:08:31,335 INFO L130 BoogieDeclarations]: Found specification of procedure transmit3 [2020-10-28 01:08:31,335 INFO L130 BoogieDeclarations]: Found specification of procedure transmit4 [2020-10-28 01:08:31,337 INFO L130 BoogieDeclarations]: Found specification of procedure transmit5 [2020-10-28 01:08:31,337 INFO L130 BoogieDeclarations]: Found specification of procedure transmit6 [2020-10-28 01:08:31,337 INFO L130 BoogieDeclarations]: Found specification of procedure transmit7 [2020-10-28 01:08:31,338 INFO L130 BoogieDeclarations]: Found specification of procedure transmit8 [2020-10-28 01:08:31,338 INFO L130 BoogieDeclarations]: Found specification of procedure transmit9 [2020-10-28 01:08:31,338 INFO L130 BoogieDeclarations]: Found specification of procedure transmit10 [2020-10-28 01:08:31,338 INFO L130 BoogieDeclarations]: Found specification of procedure transmit11 [2020-10-28 01:08:31,338 INFO L130 BoogieDeclarations]: Found specification of procedure transmit12 [2020-10-28 01:08:31,338 INFO L130 BoogieDeclarations]: Found specification of procedure transmit13 [2020-10-28 01:08:31,339 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels [2020-10-28 01:08:31,339 INFO L130 BoogieDeclarations]: Found specification of procedure init_threads [2020-10-28 01:08:31,340 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2020-10-28 01:08:31,340 INFO L130 BoogieDeclarations]: Found specification of procedure eval [2020-10-28 01:08:31,340 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events [2020-10-28 01:08:31,340 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events [2020-10-28 01:08:31,340 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads [2020-10-28 01:08:31,340 INFO L130 BoogieDeclarations]: Found specification of procedure fire_time_events [2020-10-28 01:08:31,341 INFO L130 BoogieDeclarations]: Found specification of procedure reset_time_events [2020-10-28 01:08:31,341 INFO L130 BoogieDeclarations]: Found specification of procedure init_model [2020-10-28 01:08:31,341 INFO L130 BoogieDeclarations]: Found specification of procedure stop_simulation [2020-10-28 01:08:31,341 INFO L130 BoogieDeclarations]: Found specification of procedure start_simulation [2020-10-28 01:08:31,341 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-28 01:08:31,341 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-28 01:08:31,341 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-28 01:08:31,342 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-28 01:08:31,342 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-28 01:08:31,342 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-28 01:08:31,342 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-28 01:08:32,841 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-28 01:08:32,841 INFO L298 CfgBuilder]: Removed 16 assume(true) statements. [2020-10-28 01:08:32,844 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 01:08:32 BoogieIcfgContainer [2020-10-28 01:08:32,844 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-28 01:08:32,849 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-28 01:08:32,849 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-28 01:08:32,853 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-28 01:08:32,853 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 01:08:30" (1/3) ... [2020-10-28 01:08:32,854 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1fabe6d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 01:08:32, skipping insertion in model container [2020-10-28 01:08:32,854 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 01:08:31" (2/3) ... [2020-10-28 01:08:32,854 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1fabe6d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 01:08:32, skipping insertion in model container [2020-10-28 01:08:32,855 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 01:08:32" (3/3) ... [2020-10-28 01:08:32,856 INFO L111 eAbstractionObserver]: Analyzing ICFG token_ring.13.cil-2.c [2020-10-28 01:08:32,869 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-28 01:08:32,875 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-28 01:08:32,889 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-28 01:08:32,926 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-28 01:08:32,927 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-28 01:08:32,927 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-28 01:08:32,927 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-28 01:08:32,927 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-28 01:08:32,927 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-28 01:08:32,927 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-28 01:08:32,928 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-28 01:08:32,957 INFO L276 IsEmpty]: Start isEmpty. Operand 508 states. [2020-10-28 01:08:32,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2020-10-28 01:08:32,980 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 01:08:32,981 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 01:08:32,982 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 01:08:32,988 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 01:08:32,989 INFO L82 PathProgramCache]: Analyzing trace with hash -1729675462, now seen corresponding path program 1 times [2020-10-28 01:08:32,999 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 01:08:32,999 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [142640832] [2020-10-28 01:08:33,000 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 01:08:33,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:08:33,540 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:33,733 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:33,897 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:34,169 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:34,563 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:34,775 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:35,054 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:35,265 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:35,380 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:35,451 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:35,520 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:35,587 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:35,653 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:35,730 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:35,873 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:35,925 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:35,974 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:36,015 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:36,055 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:36,109 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:36,168 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:36,208 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:36,240 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:36,273 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:36,341 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:36,382 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:36,418 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:36,468 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:36,667 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:37,407 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:38,284 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:38,396 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:08:38,397 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 304 [2020-10-28 01:08:38,397 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 31 [2020-10-28 01:08:38,397 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5030 [2020-10-28 01:08:38,400 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:08:38,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 01:08:38,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 187 [2020-10-28 01:08:38,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 01:08:38,400 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-28 01:08:38,981 WARN L193 SmtUtils]: Spent 423.00 ms on a formula simplification that was a NOOP. DAG size: 247 [2020-10-28 01:08:38,985 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 01:08:38,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:08:39,000 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:39,015 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:08:39,015 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 01:08:39,015 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:08:39,016 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-28 01:08:39,016 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:08:39,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:08:39,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:08:39,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:08:39,017 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:08:39,063 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 01:08:39,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:08:39,069 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:39,072 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:08:39,072 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 01:08:39,072 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:08:39,073 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 01:08:39,073 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:08:39,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:08:39,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:08:39,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:08:39,074 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:08:39,076 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 01:08:39,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:08:39,079 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:39,080 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:08:39,080 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 01:08:39,080 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:08:39,080 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:08:39,081 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:08:39,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:08:39,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:08:39,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:08:39,081 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:08:39,119 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 01:08:39,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:08:39,124 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:39,131 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:08:39,131 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-28 01:08:39,132 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:08:39,132 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 01:08:39,132 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:08:39,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:08:39,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:08:39,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:08:39,133 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:08:39,222 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-28 01:08:39,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:08:39,229 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:39,240 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:08:39,240 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-28 01:08:39,240 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:08:39,241 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-28 01:08:39,241 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:08:39,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:08:39,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:08:39,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:08:39,242 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:08:39,255 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2020-10-28 01:08:39,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:08:39,319 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:39,394 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:39,475 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:39,562 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:44,300 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:08:44,300 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 162 [2020-10-28 01:08:44,300 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 01:08:44,301 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-28 01:08:44,302 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:08:44,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 01:08:44,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 140 [2020-10-28 01:08:44,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 01:08:44,302 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:08:44,403 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 01:08:44,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:08:44,408 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:44,410 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:08:44,416 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:08:44,417 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:08:44,417 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 01:08:44,417 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:08:44,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:08:44,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:08:44,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:08:44,418 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 01:08:44,427 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 01:08:44,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:08:44,432 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:44,433 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:08:44,434 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:08:44,434 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:08:44,437 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 01:08:44,438 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:08:44,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:08:44,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:08:44,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:08:44,439 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 01:08:44,444 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 01:08:44,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:08:44,449 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:44,451 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:08:44,451 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:08:44,452 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:08:44,452 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 01:08:44,452 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:08:44,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:08:44,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:08:44,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:08:44,453 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:08:44,459 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-28 01:08:44,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:08:44,463 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:44,471 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:08:44,471 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:08:44,472 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:08:44,472 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 01:08:44,472 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:08:44,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:08:44,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:08:44,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:08:44,473 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:08:44,476 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 01:08:44,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:08:44,480 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:44,482 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:08:44,482 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:08:44,482 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:08:44,482 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 01:08:44,483 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:08:44,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:08:44,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:08:44,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:08:44,483 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:08:44,485 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-28 01:08:44,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:08:44,487 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:44,489 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:08:44,489 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:08:44,489 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:08:44,489 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:08:44,490 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:08:44,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:08:44,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:08:44,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:08:44,491 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 01:08:44,493 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-28 01:08:44,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:08:44,495 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:44,497 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:08:44,498 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:08:44,498 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:08:44,498 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 01:08:44,498 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:08:44,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:08:44,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:08:44,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:08:44,500 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 01:08:44,501 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-28 01:08:44,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:08:44,503 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:44,505 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:08:44,505 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:08:44,505 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:08:44,505 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:08:44,506 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:08:44,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:08:44,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:08:44,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:08:44,506 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:08:44,508 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-28 01:08:44,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:08:44,510 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:44,511 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:08:44,512 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:08:44,512 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:08:44,512 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:08:44,512 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:08:44,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:08:44,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:08:44,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:08:44,513 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:08:44,515 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-28 01:08:44,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:08:44,517 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:44,518 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:08:44,519 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:08:44,519 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:08:44,519 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:08:44,519 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:08:44,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:08:44,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:08:44,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:08:44,520 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:08:44,521 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-28 01:08:44,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:08:44,524 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:44,525 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:08:44,526 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:08:44,526 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:08:44,526 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 01:08:44,527 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:08:44,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:08:44,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:08:44,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:08:44,528 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 01:08:44,530 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-28 01:08:44,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:08:44,532 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:44,533 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:08:44,533 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:08:44,534 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:08:44,534 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:08:44,534 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:08:44,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:08:44,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:08:44,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:08:44,535 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:08:44,536 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-28 01:08:44,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:08:44,540 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:44,545 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:08:44,546 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:08:44,546 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:08:44,546 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 01:08:44,547 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:08:44,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 01:08:44,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:08:44,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 01:08:44,548 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 01:08:44,596 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-28 01:08:44,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:08:44,599 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:44,601 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:08:44,602 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:08:44,602 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:08:44,602 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 01:08:44,602 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:08:44,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:08:44,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-28 01:08:44,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:08:44,603 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:08:44,634 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2020-10-28 01:08:44,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:08:44,646 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:44,658 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:08:44,658 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-28 01:08:44,658 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:08:44,658 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-28 01:08:44,658 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:08:44,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:08:44,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 32 [2020-10-28 01:08:44,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:08:44,659 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:08:44,667 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2020-10-28 01:08:44,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:08:44,670 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:44,672 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:08:44,672 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 01:08:44,672 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:08:44,673 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 01:08:44,673 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:08:44,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:08:44,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 01:08:44,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:08:44,674 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:08:44,805 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 01:08:44,806 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [142640832] [2020-10-28 01:08:44,809 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 01:08:44,809 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-28 01:08:44,810 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1227023361] [2020-10-28 01:08:44,823 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-28 01:08:44,824 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 01:08:44,839 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-28 01:08:44,840 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-10-28 01:08:44,843 INFO L87 Difference]: Start difference. First operand 508 states. Second operand 10 states. [2020-10-28 01:08:45,104 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-28 01:08:45,391 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-28 01:08:49,034 WARN L193 SmtUtils]: Spent 388.00 ms on a formula simplification that was a NOOP. DAG size: 251 [2020-10-28 01:08:49,487 WARN L193 SmtUtils]: Spent 401.00 ms on a formula simplification that was a NOOP. DAG size: 254 [2020-10-28 01:08:49,684 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 131 [2020-10-28 01:08:50,073 WARN L193 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 251 [2020-10-28 01:08:50,259 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2020-10-28 01:08:50,682 WARN L193 SmtUtils]: Spent 395.00 ms on a formula simplification that was a NOOP. DAG size: 253 [2020-10-28 01:08:57,753 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 01:08:57,754 INFO L93 Difference]: Finished difference Result 1318 states and 2186 transitions. [2020-10-28 01:08:57,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-28 01:08:57,756 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 246 [2020-10-28 01:08:57,758 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 01:08:57,783 INFO L225 Difference]: With dead ends: 1318 [2020-10-28 01:08:57,783 INFO L226 Difference]: Without dead ends: 830 [2020-10-28 01:08:57,794 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=91, Invalid=251, Unknown=0, NotChecked=0, Total=342 [2020-10-28 01:08:57,816 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 830 states. [2020-10-28 01:08:58,027 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 830 to 501. [2020-10-28 01:08:58,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 501 states. [2020-10-28 01:08:58,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 501 states to 501 states and 735 transitions. [2020-10-28 01:08:58,038 INFO L78 Accepts]: Start accepts. Automaton has 501 states and 735 transitions. Word has length 246 [2020-10-28 01:08:58,043 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 01:08:58,043 INFO L481 AbstractCegarLoop]: Abstraction has 501 states and 735 transitions. [2020-10-28 01:08:58,043 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-28 01:08:58,043 INFO L276 IsEmpty]: Start isEmpty. Operand 501 states and 735 transitions. [2020-10-28 01:08:58,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2020-10-28 01:08:58,061 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 01:08:58,062 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 01:08:58,062 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-28 01:08:58,063 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 01:08:58,063 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 01:08:58,063 INFO L82 PathProgramCache]: Analyzing trace with hash 879111996, now seen corresponding path program 1 times [2020-10-28 01:08:58,065 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 01:08:58,066 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1479532744] [2020-10-28 01:08:58,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 01:08:58,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:08:58,167 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:58,233 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:58,296 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:58,423 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:58,629 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:58,775 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:58,957 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:59,107 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:59,198 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:59,249 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:59,298 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:59,351 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:59,407 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:59,462 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:59,572 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:59,613 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:59,652 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:59,684 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:59,717 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:59,762 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:59,804 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:59,832 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:59,858 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:59,889 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:59,945 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:59,974 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:00,005 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:00,034 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:00,194 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:00,953 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:01,767 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:02,617 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:03,158 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:09:03,159 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 304 [2020-10-28 01:09:03,159 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 32 [2020-10-28 01:09:03,159 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5021 [2020-10-28 01:09:03,159 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:09:03,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 01:09:03,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 187 [2020-10-28 01:09:03,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 01:09:03,160 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:09:03,550 WARN L193 SmtUtils]: Spent 342.00 ms on a formula simplification that was a NOOP. DAG size: 247 [2020-10-28 01:09:03,552 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 01:09:03,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:09:03,568 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:03,588 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:09:03,589 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 01:09:03,589 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:09:03,589 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-28 01:09:03,589 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:09:03,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:09:03,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:09:03,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:09:03,590 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:09:03,642 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 01:09:03,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:09:03,646 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:03,648 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:09:03,649 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 01:09:03,649 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:09:03,649 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 01:09:03,649 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:09:03,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:09:03,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:09:03,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:09:03,650 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:09:03,652 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 01:09:03,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:09:03,654 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:03,654 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:09:03,655 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 01:09:03,655 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:09:03,655 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 01:09:03,655 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:09:03,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:09:03,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:09:03,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:09:03,656 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:09:03,691 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 01:09:03,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:09:03,696 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:03,705 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:09:03,706 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-28 01:09:03,706 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:09:03,706 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-28 01:09:03,706 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:09:03,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:09:03,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:09:03,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:09:03,707 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:09:03,801 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-28 01:09:03,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:09:03,811 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:03,838 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:09:03,838 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-28 01:09:03,838 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:09:03,839 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-10-28 01:09:03,839 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:09:03,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:09:03,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:09:03,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:09:03,840 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:09:03,856 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2020-10-28 01:09:03,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:09:03,905 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:03,927 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:03,994 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:06,443 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:09:06,443 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 162 [2020-10-28 01:09:06,443 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 01:09:06,444 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2556 [2020-10-28 01:09:06,444 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:09:06,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 01:09:06,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 129 [2020-10-28 01:09:06,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 01:09:06,444 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:09:06,481 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 01:09:06,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:09:06,483 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:06,484 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:09:06,484 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:09:06,484 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:09:06,485 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:09:06,485 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:09:06,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:09:06,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:09:06,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:09:06,486 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:09:06,487 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 01:09:06,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:09:06,489 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:06,491 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:09:06,491 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:09:06,491 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:09:06,491 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:09:06,491 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:09:06,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:09:06,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:09:06,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:09:06,492 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 01:09:06,494 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 01:09:06,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:09:06,496 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:06,497 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:09:06,497 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:09:06,498 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:09:06,498 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:09:06,498 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:09:06,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:09:06,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:09:06,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:09:06,499 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:09:06,500 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-28 01:09:06,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:09:06,502 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:06,503 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:09:06,503 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:09:06,503 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:09:06,503 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:09:06,504 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:09:06,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:09:06,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:09:06,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:09:06,504 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:09:06,506 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 01:09:06,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:09:06,507 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:06,508 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:09:06,509 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:09:06,509 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:09:06,509 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:09:06,509 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:09:06,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:09:06,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:09:06,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:09:06,510 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:09:06,511 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-28 01:09:06,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:09:06,513 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:06,514 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:09:06,515 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:09:06,515 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:09:06,515 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:09:06,515 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:09:06,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:09:06,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:09:06,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:09:06,516 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:09:06,518 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-28 01:09:06,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:09:06,520 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:06,521 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:09:06,521 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:09:06,521 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:09:06,521 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:09:06,522 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:09:06,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:09:06,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:09:06,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:09:06,522 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:09:06,524 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-28 01:09:06,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:09:06,525 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:06,527 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:09:06,527 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:09:06,527 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:09:06,527 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:09:06,528 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:09:06,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:09:06,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:09:06,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:09:06,528 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:09:06,530 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-28 01:09:06,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:09:06,531 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:06,533 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:09:06,533 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:09:06,533 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:09:06,534 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 01:09:06,534 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:09:06,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:09:06,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:09:06,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:09:06,534 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:09:06,536 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-28 01:09:06,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:09:06,538 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:06,539 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:09:06,539 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:09:06,539 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:09:06,540 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:09:06,540 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:09:06,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:09:06,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:09:06,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:09:06,541 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:09:06,542 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-28 01:09:06,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:09:06,544 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:06,546 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:09:06,546 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:09:06,546 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:09:06,546 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:09:06,546 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:09:06,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:09:06,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:09:06,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:09:06,547 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:09:06,550 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-28 01:09:06,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:09:06,552 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:06,561 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:09:06,561 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:09:06,561 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:09:06,561 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 01:09:06,562 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:09:06,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 01:09:06,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:09:06,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 01:09:06,562 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:09:06,597 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-28 01:09:06,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:09:06,600 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:06,602 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:09:06,602 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:09:06,602 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:09:06,602 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 01:09:06,602 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:09:06,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:09:06,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-28 01:09:06,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:09:06,603 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:09:06,605 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-28 01:09:06,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:09:06,607 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:06,609 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:09:06,609 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:09:06,609 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:09:06,609 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 01:09:06,609 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:09:06,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:09:06,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-28 01:09:06,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:09:06,610 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:09:06,626 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2020-10-28 01:09:06,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:09:06,636 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:06,645 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:09:06,646 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-28 01:09:06,646 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:09:06,646 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-28 01:09:06,646 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:09:06,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:09:06,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 32 [2020-10-28 01:09:06,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:09:06,647 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:09:06,654 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2020-10-28 01:09:06,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:09:06,658 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:06,659 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:09:06,660 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 01:09:06,660 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:09:06,660 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 01:09:06,660 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:09:06,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:09:06,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 01:09:06,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:09:06,661 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:09:06,776 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 01:09:06,776 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1479532744] [2020-10-28 01:09:06,777 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 01:09:06,777 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-28 01:09:06,777 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [259998301] [2020-10-28 01:09:06,781 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-28 01:09:06,781 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 01:09:06,782 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-28 01:09:06,783 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-10-28 01:09:06,783 INFO L87 Difference]: Start difference. First operand 501 states and 735 transitions. Second operand 10 states. [2020-10-28 01:09:06,952 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-28 01:09:07,152 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-28 01:09:09,995 WARN L193 SmtUtils]: Spent 366.00 ms on a formula simplification that was a NOOP. DAG size: 251 [2020-10-28 01:09:10,404 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification that was a NOOP. DAG size: 254 [2020-10-28 01:09:10,592 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-28 01:09:10,976 WARN L193 SmtUtils]: Spent 351.00 ms on a formula simplification that was a NOOP. DAG size: 250 [2020-10-28 01:09:11,141 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-28 01:09:11,524 WARN L193 SmtUtils]: Spent 360.00 ms on a formula simplification that was a NOOP. DAG size: 250 [2020-10-28 01:09:18,755 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 01:09:18,755 INFO L93 Difference]: Finished difference Result 1311 states and 2056 transitions. [2020-10-28 01:09:18,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-28 01:09:18,761 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 246 [2020-10-28 01:09:18,762 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 01:09:18,770 INFO L225 Difference]: With dead ends: 1311 [2020-10-28 01:09:18,770 INFO L226 Difference]: Without dead ends: 842 [2020-10-28 01:09:18,773 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=91, Invalid=251, Unknown=0, NotChecked=0, Total=342 [2020-10-28 01:09:18,775 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 842 states. [2020-10-28 01:09:18,915 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 842 to 506. [2020-10-28 01:09:18,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 506 states. [2020-10-28 01:09:18,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 506 states to 506 states and 740 transitions. [2020-10-28 01:09:18,923 INFO L78 Accepts]: Start accepts. Automaton has 506 states and 740 transitions. Word has length 246 [2020-10-28 01:09:18,925 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 01:09:18,925 INFO L481 AbstractCegarLoop]: Abstraction has 506 states and 740 transitions. [2020-10-28 01:09:18,925 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-28 01:09:18,925 INFO L276 IsEmpty]: Start isEmpty. Operand 506 states and 740 transitions. [2020-10-28 01:09:18,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2020-10-28 01:09:18,930 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 01:09:18,930 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 01:09:18,930 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-28 01:09:18,930 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 01:09:18,931 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 01:09:18,931 INFO L82 PathProgramCache]: Analyzing trace with hash 1766334842, now seen corresponding path program 1 times [2020-10-28 01:09:18,931 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 01:09:18,932 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1664292659] [2020-10-28 01:09:18,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 01:09:18,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:09:19,001 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:19,041 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:19,094 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:19,211 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:19,403 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:19,535 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:19,702 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:19,831 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:19,899 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:19,946 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:19,988 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:20,029 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:20,070 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:20,164 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:20,242 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:20,269 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:20,299 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:20,325 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:20,356 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:20,392 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:20,428 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:20,452 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:20,474 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:20,502 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:20,542 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:20,566 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:20,591 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:20,616 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:20,720 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:21,252 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:21,767 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:22,360 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:23,041 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:23,080 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:23,814 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:23,878 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:23,996 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:09:23,997 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 304 [2020-10-28 01:09:23,997 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 36 [2020-10-28 01:09:23,997 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5017 [2020-10-28 01:09:23,997 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:09:23,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 01:09:23,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 187 [2020-10-28 01:09:23,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 01:09:23,998 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:09:24,434 WARN L193 SmtUtils]: Spent 388.00 ms on a formula simplification that was a NOOP. DAG size: 247 [2020-10-28 01:09:24,435 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 01:09:24,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:09:24,453 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:24,466 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:09:24,466 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 01:09:24,466 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:09:24,467 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-28 01:09:24,467 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:09:24,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:09:24,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:09:24,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:09:24,468 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:09:24,518 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 01:09:24,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:09:24,521 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:24,524 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:09:24,524 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 01:09:24,524 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:09:24,524 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 01:09:24,524 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:09:24,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:09:24,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:09:24,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:09:24,525 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:09:24,527 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 01:09:24,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:09:24,529 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:24,531 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:09:24,531 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 01:09:24,531 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:09:24,532 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:09:24,532 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:09:24,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:09:24,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:09:24,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:09:24,532 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:09:24,569 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 01:09:24,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:09:24,573 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:24,579 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:09:24,580 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-28 01:09:24,580 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:09:24,580 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 01:09:24,581 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:09:24,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:09:24,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:09:24,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:09:24,581 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:09:24,657 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-28 01:09:24,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:09:24,662 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:24,670 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:09:24,670 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-28 01:09:24,671 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:09:24,671 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-28 01:09:24,671 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:09:24,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:09:24,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:09:24,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:09:24,672 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:09:24,679 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2020-10-28 01:09:24,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:09:24,706 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:24,726 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:25,233 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:09:25,234 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 162 [2020-10-28 01:09:25,234 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 01:09:25,234 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 540 [2020-10-28 01:09:25,235 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:09:25,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 01:09:25,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 118 [2020-10-28 01:09:25,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 01:09:25,236 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 01:09:25,281 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 01:09:25,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:09:25,284 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:25,286 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:09:25,286 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:09:25,286 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:09:25,286 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 01:09:25,287 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:09:25,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:09:25,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:09:25,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:09:25,287 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:09:25,295 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 01:09:25,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:09:25,297 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:25,298 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:09:25,299 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:09:25,299 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:09:25,299 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:09:25,299 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:09:25,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:09:25,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:09:25,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:09:25,300 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:09:25,301 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 01:09:25,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:09:25,303 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:25,305 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:09:25,305 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:09:25,305 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:09:25,305 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:09:25,305 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:09:25,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:09:25,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:09:25,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:09:25,306 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:09:25,308 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-28 01:09:25,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:09:25,310 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:25,311 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:09:25,311 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:09:25,311 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:09:25,311 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:09:25,312 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:09:25,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:09:25,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:09:25,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:09:25,312 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:09:25,314 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 01:09:25,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:09:25,316 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:25,317 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:09:25,317 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:09:25,318 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:09:25,318 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:09:25,318 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:09:25,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:09:25,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:09:25,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:09:25,319 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:09:25,320 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-28 01:09:25,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:09:25,322 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:25,323 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:09:25,323 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:09:25,324 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:09:25,324 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:09:25,324 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:09:25,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:09:25,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:09:25,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:09:25,325 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:09:25,326 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-28 01:09:25,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:09:25,328 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:25,329 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:09:25,330 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:09:25,330 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:09:25,330 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:09:25,330 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:09:25,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:09:25,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:09:25,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:09:25,331 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:09:25,332 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-28 01:09:25,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:09:25,334 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:25,335 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:09:25,336 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:09:25,336 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:09:25,336 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:09:25,336 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:09:25,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:09:25,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:09:25,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:09:25,337 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:09:25,338 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-28 01:09:25,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:09:25,340 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:25,341 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:09:25,341 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:09:25,341 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:09:25,342 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:09:25,342 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:09:25,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:09:25,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:09:25,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:09:25,343 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:09:25,344 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-28 01:09:25,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:09:25,346 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:25,347 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:09:25,347 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:09:25,347 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:09:25,348 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:09:25,348 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:09:25,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:09:25,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:09:25,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:09:25,349 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:09:25,350 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-28 01:09:25,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:09:25,353 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:25,356 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:09:25,357 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:09:25,357 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:09:25,357 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 01:09:25,357 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:09:25,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 01:09:25,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:09:25,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 01:09:25,358 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:09:25,383 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-28 01:09:25,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:09:25,385 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:25,387 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:09:25,387 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:09:25,387 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:09:25,387 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:09:25,388 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:09:25,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:09:25,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-28 01:09:25,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:09:25,388 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:09:25,389 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-28 01:09:25,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:09:25,392 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:25,393 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:09:25,393 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:09:25,393 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:09:25,393 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:09:25,393 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:09:25,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:09:25,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-28 01:09:25,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:09:25,394 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:09:25,395 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-28 01:09:25,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:09:25,398 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:25,400 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:09:25,400 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:09:25,400 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:09:25,400 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 01:09:25,400 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:09:25,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:09:25,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-28 01:09:25,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:09:25,401 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:09:25,416 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2020-10-28 01:09:25,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:09:25,425 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:25,434 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:09:25,435 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-28 01:09:25,435 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:09:25,435 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-28 01:09:25,435 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:09:25,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:09:25,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 32 [2020-10-28 01:09:25,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:09:25,436 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:09:25,442 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2020-10-28 01:09:25,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:09:25,444 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:25,445 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:09:25,446 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 01:09:25,446 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:09:25,446 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:09:25,446 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:09:25,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:09:25,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 01:09:25,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:09:25,447 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:09:25,552 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 01:09:25,553 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1664292659] [2020-10-28 01:09:25,553 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 01:09:25,553 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-28 01:09:25,553 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [340293516] [2020-10-28 01:09:25,555 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-28 01:09:25,555 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 01:09:25,556 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-28 01:09:25,556 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-10-28 01:09:25,557 INFO L87 Difference]: Start difference. First operand 506 states and 740 transitions. Second operand 10 states. [2020-10-28 01:09:25,751 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-28 01:09:25,973 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-28 01:09:28,856 WARN L193 SmtUtils]: Spent 377.00 ms on a formula simplification that was a NOOP. DAG size: 250 [2020-10-28 01:09:29,286 WARN L193 SmtUtils]: Spent 394.00 ms on a formula simplification that was a NOOP. DAG size: 252 [2020-10-28 01:09:29,707 WARN L193 SmtUtils]: Spent 376.00 ms on a formula simplification that was a NOOP. DAG size: 250 [2020-10-28 01:09:29,876 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-28 01:09:30,307 WARN L193 SmtUtils]: Spent 387.00 ms on a formula simplification that was a NOOP. DAG size: 251 [2020-10-28 01:09:30,469 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 131 [2020-10-28 01:09:37,872 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 01:09:37,873 INFO L93 Difference]: Finished difference Result 1328 states and 2077 transitions. [2020-10-28 01:09:37,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-28 01:09:37,875 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 246 [2020-10-28 01:09:37,876 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 01:09:37,888 INFO L225 Difference]: With dead ends: 1328 [2020-10-28 01:09:37,888 INFO L226 Difference]: Without dead ends: 854 [2020-10-28 01:09:37,892 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=91, Invalid=251, Unknown=0, NotChecked=0, Total=342 [2020-10-28 01:09:37,894 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 854 states. [2020-10-28 01:09:38,052 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 854 to 511. [2020-10-28 01:09:38,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 511 states. [2020-10-28 01:09:38,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 511 states to 511 states and 745 transitions. [2020-10-28 01:09:38,056 INFO L78 Accepts]: Start accepts. Automaton has 511 states and 745 transitions. Word has length 246 [2020-10-28 01:09:38,057 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 01:09:38,057 INFO L481 AbstractCegarLoop]: Abstraction has 511 states and 745 transitions. [2020-10-28 01:09:38,057 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-28 01:09:38,057 INFO L276 IsEmpty]: Start isEmpty. Operand 511 states and 745 transitions. [2020-10-28 01:09:38,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2020-10-28 01:09:38,062 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 01:09:38,062 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 01:09:38,062 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-28 01:09:38,062 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 01:09:38,063 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 01:09:38,063 INFO L82 PathProgramCache]: Analyzing trace with hash -1203776260, now seen corresponding path program 1 times [2020-10-28 01:09:38,063 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 01:09:38,063 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1274201316] [2020-10-28 01:09:38,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 01:09:38,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:09:38,122 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:38,161 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:38,213 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:38,315 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:38,492 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:38,613 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:38,759 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:38,888 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:38,958 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:39,004 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:39,047 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:39,090 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:39,131 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:39,171 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:39,253 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:39,280 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:39,311 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:39,343 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:39,373 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:39,415 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:39,483 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:39,515 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:39,539 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:39,561 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:39,605 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:39,630 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:39,664 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:39,690 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:39,821 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:40,221 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:40,811 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:41,451 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:42,127 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:42,189 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:43,123 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:09:43,123 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 304 [2020-10-28 01:09:43,123 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 34 [2020-10-28 01:09:43,123 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5018 [2020-10-28 01:09:43,123 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:09:43,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 01:09:43,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 187 [2020-10-28 01:09:43,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 01:09:43,124 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:09:43,509 WARN L193 SmtUtils]: Spent 342.00 ms on a formula simplification that was a NOOP. DAG size: 247 [2020-10-28 01:09:43,510 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 01:09:43,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:09:43,519 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:43,533 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:09:43,534 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 01:09:43,534 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:09:43,534 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-28 01:09:43,534 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:09:43,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:09:43,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:09:43,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:09:43,535 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:09:43,575 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 01:09:43,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:09:43,578 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:43,580 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:09:43,580 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 01:09:43,581 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:09:43,581 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 01:09:43,581 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:09:43,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:09:43,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:09:43,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:09:43,582 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:09:43,584 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 01:09:43,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:09:43,585 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:43,586 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:09:43,586 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 01:09:43,586 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:09:43,587 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 01:09:43,587 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:09:43,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:09:43,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:09:43,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:09:43,587 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:09:43,624 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 01:09:43,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:09:43,628 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:43,632 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:09:43,633 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-28 01:09:43,633 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:09:43,633 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 01:09:43,633 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:09:43,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:09:43,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:09:43,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:09:43,634 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:09:43,711 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-28 01:09:43,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:09:43,717 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:43,726 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:09:43,727 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-28 01:09:43,727 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:09:43,727 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-28 01:09:43,727 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:09:43,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:09:43,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:09:43,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:09:43,728 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:09:43,735 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2020-10-28 01:09:43,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:09:43,758 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:43,847 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:09:43,848 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 162 [2020-10-28 01:09:43,848 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:09:43,848 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 99 [2020-10-28 01:09:43,848 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:09:43,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 01:09:43,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 107 [2020-10-28 01:09:43,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 01:09:43,849 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:09:43,894 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 01:09:43,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:09:43,896 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:43,897 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:09:43,897 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:09:43,898 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:09:43,898 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:09:43,898 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:09:43,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:09:43,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:09:43,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:09:43,898 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:09:43,900 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 01:09:43,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:09:43,901 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:43,902 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:09:43,903 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:09:43,903 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:09:43,903 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:09:43,903 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:09:43,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:09:43,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:09:43,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:09:43,904 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:09:43,905 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 01:09:43,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:09:43,906 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:43,907 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:09:43,908 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:09:43,908 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:09:43,908 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:09:43,908 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:09:43,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:09:43,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:09:43,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:09:43,909 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:09:43,910 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-28 01:09:43,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:09:43,911 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:43,912 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:09:43,913 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:09:43,913 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:09:43,913 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:09:43,913 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:09:43,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:09:43,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:09:43,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:09:43,914 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:09:43,915 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 01:09:43,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:09:43,916 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:43,917 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:09:43,917 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:09:43,917 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:09:43,918 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:09:43,918 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:09:43,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:09:43,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:09:43,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:09:43,918 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:09:43,920 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-28 01:09:43,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:09:43,921 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:43,922 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:09:43,923 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:09:43,923 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:09:43,923 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:09:43,923 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:09:43,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:09:43,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:09:43,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:09:43,924 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:09:43,925 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-28 01:09:43,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:09:43,926 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:43,927 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:09:43,928 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:09:43,928 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:09:43,928 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:09:43,928 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:09:43,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:09:43,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:09:43,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:09:43,929 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:09:43,930 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-28 01:09:43,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:09:43,931 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:43,933 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:09:43,933 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:09:43,933 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:09:43,933 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:09:43,933 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:09:43,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:09:43,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:09:43,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:09:43,934 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:09:43,935 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-28 01:09:43,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:09:43,937 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:43,938 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:09:43,938 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:09:43,938 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:09:43,938 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:09:43,939 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:09:43,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:09:43,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:09:43,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:09:43,939 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:09:43,941 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-28 01:09:43,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:09:43,943 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:43,947 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:09:43,947 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:09:43,948 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:09:43,948 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 01:09:43,948 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:09:43,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 01:09:43,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:09:43,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 01:09:43,949 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:09:43,972 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-28 01:09:43,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:09:43,975 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:43,976 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:09:43,976 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:09:43,976 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:09:43,976 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:09:43,977 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:09:43,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:09:43,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-28 01:09:43,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:09:43,977 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:09:43,978 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-28 01:09:43,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:09:43,980 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:43,981 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:09:43,981 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:09:43,982 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:09:43,982 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:09:43,982 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:09:43,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:09:43,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-28 01:09:43,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:09:43,982 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:09:43,984 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-28 01:09:43,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:09:43,985 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:43,986 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:09:43,987 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:09:43,987 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:09:43,987 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:09:43,987 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:09:43,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:09:43,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-28 01:09:43,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:09:43,988 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:09:43,989 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-28 01:09:43,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:09:43,991 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:43,992 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:09:43,992 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:09:43,992 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:09:43,993 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:09:43,993 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:09:43,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:09:43,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-28 01:09:43,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:09:43,993 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:09:44,006 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2020-10-28 01:09:44,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:09:44,014 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:44,023 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:09:44,023 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-28 01:09:44,023 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:09:44,023 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-28 01:09:44,024 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:09:44,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:09:44,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 32 [2020-10-28 01:09:44,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:09:44,024 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:09:44,030 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2020-10-28 01:09:44,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:09:44,032 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:44,033 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:09:44,033 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 01:09:44,033 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:09:44,033 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:09:44,033 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:09:44,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:09:44,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 01:09:44,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:09:44,034 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:09:44,126 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 01:09:44,126 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1274201316] [2020-10-28 01:09:44,127 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 01:09:44,127 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-28 01:09:44,127 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1587399338] [2020-10-28 01:09:44,128 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-28 01:09:44,128 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 01:09:44,128 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-28 01:09:44,128 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-10-28 01:09:44,129 INFO L87 Difference]: Start difference. First operand 511 states and 745 transitions. Second operand 10 states. [2020-10-28 01:09:44,281 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-28 01:09:44,510 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-28 01:09:47,105 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification that was a NOOP. DAG size: 250 [2020-10-28 01:09:47,523 WARN L193 SmtUtils]: Spent 384.00 ms on a formula simplification that was a NOOP. DAG size: 252 [2020-10-28 01:09:47,707 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 131 [2020-10-28 01:09:48,124 WARN L193 SmtUtils]: Spent 385.00 ms on a formula simplification that was a NOOP. DAG size: 251 [2020-10-28 01:09:48,308 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 131 [2020-10-28 01:09:48,735 WARN L193 SmtUtils]: Spent 400.00 ms on a formula simplification that was a NOOP. DAG size: 251 [2020-10-28 01:09:56,394 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 01:09:56,395 INFO L93 Difference]: Finished difference Result 1345 states and 2098 transitions. [2020-10-28 01:09:56,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-28 01:09:56,396 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 246 [2020-10-28 01:09:56,396 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 01:09:56,403 INFO L225 Difference]: With dead ends: 1345 [2020-10-28 01:09:56,403 INFO L226 Difference]: Without dead ends: 866 [2020-10-28 01:09:56,406 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=91, Invalid=251, Unknown=0, NotChecked=0, Total=342 [2020-10-28 01:09:56,408 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 866 states. [2020-10-28 01:09:56,515 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 866 to 516. [2020-10-28 01:09:56,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 516 states. [2020-10-28 01:09:56,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 516 states to 516 states and 750 transitions. [2020-10-28 01:09:56,519 INFO L78 Accepts]: Start accepts. Automaton has 516 states and 750 transitions. Word has length 246 [2020-10-28 01:09:56,519 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 01:09:56,519 INFO L481 AbstractCegarLoop]: Abstraction has 516 states and 750 transitions. [2020-10-28 01:09:56,519 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-28 01:09:56,519 INFO L276 IsEmpty]: Start isEmpty. Operand 516 states and 750 transitions. [2020-10-28 01:09:56,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2020-10-28 01:09:56,523 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 01:09:56,523 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 01:09:56,524 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-28 01:09:56,524 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 01:09:56,524 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 01:09:56,524 INFO L82 PathProgramCache]: Analyzing trace with hash -1232276550, now seen corresponding path program 1 times [2020-10-28 01:09:56,525 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 01:09:56,525 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [123822015] [2020-10-28 01:09:56,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 01:09:56,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:09:56,592 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:56,647 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:56,707 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:56,843 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:56,966 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:57,054 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:57,091 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:57,129 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:57,177 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:57,261 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:57,293 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:57,346 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:57,746 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:57,815 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:57,874 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:57,942 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:58,021 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:58,131 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:58,199 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:58,273 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:58,345 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:58,433 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:58,524 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:58,617 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:58,754 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:58,841 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:59,197 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:59,344 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:59,470 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:59,607 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:00,184 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:00,318 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:00,518 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:00,683 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:00,812 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:01,589 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:10:01,590 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 304 [2020-10-28 01:10:01,590 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 35 [2020-10-28 01:10:01,590 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5021 [2020-10-28 01:10:01,590 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:10:01,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:10:01,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-28 01:10:01,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-28 01:10:01,591 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:10:01,978 WARN L193 SmtUtils]: Spent 355.00 ms on a formula simplification that was a NOOP. DAG size: 247 [2020-10-28 01:10:01,979 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 01:10:01,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:10:01,989 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:01,995 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:10:01,995 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 01:10:01,995 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:10:01,996 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 01:10:01,996 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:10:01,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:10:01,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:10:01,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:10:01,996 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:10:02,035 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 01:10:02,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:10:02,040 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:02,043 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:10:02,043 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 01:10:02,043 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:10:02,043 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 01:10:02,043 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:10:02,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:10:02,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:10:02,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 01:10:02,044 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:10:02,045 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 01:10:02,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:10:02,049 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:02,051 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:10:02,051 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 01:10:02,051 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:10:02,051 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 01:10:02,051 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:10:02,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:10:02,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:10:02,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 01:10:02,052 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:10:02,088 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 01:10:02,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:10:02,095 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:02,104 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:10:02,104 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-28 01:10:02,104 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:10:02,104 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-28 01:10:02,104 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:10:02,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:10:02,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-28 01:10:02,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-28 01:10:02,105 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:10:02,206 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-28 01:10:02,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:10:02,216 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:02,226 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:10:02,226 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-28 01:10:02,226 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:10:02,226 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-28 01:10:02,227 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:10:02,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:10:02,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 32 [2020-10-28 01:10:02,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:10:02,227 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:10:02,233 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2020-10-28 01:10:02,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:10:02,251 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:02,274 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:10:02,274 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 162 [2020-10-28 01:10:02,274 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:10:02,275 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-28 01:10:02,275 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:10:02,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:10:02,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 159 [2020-10-28 01:10:02,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:10:02,275 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:10:02,291 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 01:10:02,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:10:02,293 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:02,294 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:10:02,294 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:10:02,295 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:10:02,295 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:10:02,295 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:10:02,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:10:02,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:10:02,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:10:02,296 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:10:02,297 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 01:10:02,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:10:02,298 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:02,300 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:10:02,300 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:10:02,300 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:10:02,300 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:10:02,300 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:10:02,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:10:02,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:10:02,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:10:02,301 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:10:02,304 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 01:10:02,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:10:02,306 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:02,307 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:10:02,308 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:10:02,308 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:10:02,308 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:10:02,308 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:10:02,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:10:02,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:10:02,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:10:02,309 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:10:02,310 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-28 01:10:02,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:10:02,312 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:02,313 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:10:02,313 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:10:02,314 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:10:02,314 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:10:02,314 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:10:02,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:10:02,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:10:02,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:10:02,315 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:10:02,316 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 01:10:02,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:10:02,317 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:02,318 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:10:02,319 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:10:02,319 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:10:02,319 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:10:02,319 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:10:02,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:10:02,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:10:02,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:10:02,320 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:10:02,321 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-28 01:10:02,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:10:02,323 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:02,324 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:10:02,324 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:10:02,324 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:10:02,325 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:10:02,325 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:10:02,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:10:02,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:10:02,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:10:02,326 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:10:02,327 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-28 01:10:02,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:10:02,328 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:02,329 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:10:02,330 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:10:02,330 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:10:02,330 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:10:02,330 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:10:02,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:10:02,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:10:02,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:10:02,331 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:10:02,332 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-28 01:10:02,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:10:02,333 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:02,334 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:10:02,334 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:10:02,335 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:10:02,335 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:10:02,335 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:10:02,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:10:02,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:10:02,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:10:02,336 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:10:02,337 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-28 01:10:02,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:10:02,338 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:02,340 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:10:02,340 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:10:02,340 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:10:02,340 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:10:02,340 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:10:02,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:10:02,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:10:02,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:10:02,341 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:10:02,342 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-28 01:10:02,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:10:02,343 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:02,344 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:10:02,344 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:10:02,345 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:10:02,345 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:10:02,345 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:10:02,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:10:02,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:10:02,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:10:02,346 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:10:02,347 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-28 01:10:02,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:10:02,348 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:02,349 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:10:02,349 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:10:02,349 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:10:02,349 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:10:02,349 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:10:02,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:10:02,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:10:02,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:10:02,350 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:10:02,351 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-28 01:10:02,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:10:02,354 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:02,355 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:10:02,355 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:10:02,355 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:10:02,355 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:10:02,355 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:10:02,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:10:02,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:10:02,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:10:02,356 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:10:02,357 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-28 01:10:02,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:10:02,358 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:02,359 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:10:02,359 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:10:02,359 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:10:02,360 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:10:02,360 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:10:02,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:10:02,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:10:02,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:10:02,360 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:10:02,361 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-28 01:10:02,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:10:02,362 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:02,363 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:10:02,364 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:10:02,364 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:10:02,364 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:10:02,364 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:10:02,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:10:02,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:10:02,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:10:02,365 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:10:02,376 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2020-10-28 01:10:02,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:10:02,387 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:02,397 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:10:02,397 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-28 01:10:02,397 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:10:02,398 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-28 01:10:02,398 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:10:02,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:10:02,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 32 [2020-10-28 01:10:02,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:10:02,398 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:10:02,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2020-10-28 01:10:02,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:10:02,409 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:02,410 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:10:02,411 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 01:10:02,411 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:10:02,411 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:10:02,411 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:10:02,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:10:02,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 01:10:02,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:10:02,412 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:10:02,519 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 01:10:02,520 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [123822015] [2020-10-28 01:10:02,520 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 01:10:02,520 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-28 01:10:02,521 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [93507804] [2020-10-28 01:10:02,521 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-28 01:10:02,522 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 01:10:02,522 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-28 01:10:02,522 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-10-28 01:10:02,522 INFO L87 Difference]: Start difference. First operand 516 states and 750 transitions. Second operand 8 states. [2020-10-28 01:10:02,901 WARN L193 SmtUtils]: Spent 327.00 ms on a formula simplification that was a NOOP. DAG size: 250 [2020-10-28 01:10:03,044 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-28 01:10:03,487 WARN L193 SmtUtils]: Spent 407.00 ms on a formula simplification that was a NOOP. DAG size: 249 [2020-10-28 01:10:03,691 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2020-10-28 01:10:12,248 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 01:10:12,250 INFO L93 Difference]: Finished difference Result 1346 states and 2045 transitions. [2020-10-28 01:10:12,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-28 01:10:12,252 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 246 [2020-10-28 01:10:12,252 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 01:10:12,261 INFO L225 Difference]: With dead ends: 1346 [2020-10-28 01:10:12,261 INFO L226 Difference]: Without dead ends: 846 [2020-10-28 01:10:12,265 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=55, Invalid=127, Unknown=0, NotChecked=0, Total=182 [2020-10-28 01:10:12,268 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 846 states. [2020-10-28 01:10:12,466 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 846 to 516. [2020-10-28 01:10:12,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 516 states. [2020-10-28 01:10:12,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 516 states to 516 states and 749 transitions. [2020-10-28 01:10:12,469 INFO L78 Accepts]: Start accepts. Automaton has 516 states and 749 transitions. Word has length 246 [2020-10-28 01:10:12,469 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 01:10:12,469 INFO L481 AbstractCegarLoop]: Abstraction has 516 states and 749 transitions. [2020-10-28 01:10:12,470 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-28 01:10:12,470 INFO L276 IsEmpty]: Start isEmpty. Operand 516 states and 749 transitions. [2020-10-28 01:10:12,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2020-10-28 01:10:12,476 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 01:10:12,476 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 01:10:12,476 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-28 01:10:12,476 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 01:10:12,477 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 01:10:12,477 INFO L82 PathProgramCache]: Analyzing trace with hash -43483976, now seen corresponding path program 1 times [2020-10-28 01:10:12,480 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 01:10:12,480 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [143359319] [2020-10-28 01:10:12,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 01:10:12,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:10:12,566 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:12,608 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:12,738 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:12,880 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:12,940 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:13,008 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:13,131 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:13,187 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:13,310 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:13,377 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:13,586 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:15,014 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:15,092 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:15,155 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:15,215 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:15,283 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:15,365 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:15,453 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:15,530 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:15,585 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:15,634 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:15,688 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:15,748 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:15,807 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:15,866 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:15,987 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:16,098 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:16,228 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:16,367 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:16,883 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:16,998 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:17,114 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:17,222 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:17,366 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:17,563 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:10:17,564 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 304 [2020-10-28 01:10:17,564 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 34 [2020-10-28 01:10:17,564 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5020 [2020-10-28 01:10:17,564 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:10:17,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:10:17,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-28 01:10:17,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-28 01:10:17,564 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:10:17,957 WARN L193 SmtUtils]: Spent 366.00 ms on a formula simplification that was a NOOP. DAG size: 247 [2020-10-28 01:10:17,958 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 01:10:17,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:10:17,965 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:17,972 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:10:17,972 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 01:10:17,972 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:10:17,972 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 01:10:17,973 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:10:17,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:10:17,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:10:17,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:10:17,973 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:10:18,016 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 01:10:18,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:10:18,023 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:18,026 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:10:18,026 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 01:10:18,026 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:10:18,027 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 01:10:18,027 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:10:18,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:10:18,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:10:18,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 01:10:18,027 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:10:18,029 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 01:10:18,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:10:18,031 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:18,032 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:10:18,032 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 01:10:18,032 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:10:18,032 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:10:18,032 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:10:18,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:10:18,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:10:18,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 01:10:18,033 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:10:18,068 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 01:10:18,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:10:18,075 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:18,083 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:10:18,084 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-28 01:10:18,084 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:10:18,084 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-28 01:10:18,084 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:10:18,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:10:18,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-28 01:10:18,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 01:10:18,085 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:10:18,185 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-28 01:10:18,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:10:18,194 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:18,201 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:10:18,201 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-28 01:10:18,201 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:10:18,201 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-28 01:10:18,201 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:10:18,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:10:18,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 32 [2020-10-28 01:10:18,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:10:18,202 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:10:18,206 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2020-10-28 01:10:18,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:10:18,220 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:18,235 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:10:18,236 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 162 [2020-10-28 01:10:18,236 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:10:18,236 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-28 01:10:18,236 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:10:18,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:10:18,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 159 [2020-10-28 01:10:18,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:10:18,236 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:10:18,243 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 01:10:18,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:10:18,245 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:18,246 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:10:18,247 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:10:18,247 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:10:18,247 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:10:18,247 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:10:18,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:10:18,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:10:18,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:10:18,248 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:10:18,249 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 01:10:18,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:10:18,250 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:18,252 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:10:18,252 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:10:18,252 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:10:18,252 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:10:18,252 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:10:18,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:10:18,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:10:18,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:10:18,253 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:10:18,254 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 01:10:18,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:10:18,255 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:18,255 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:10:18,256 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:10:18,256 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:10:18,256 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:10:18,256 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:10:18,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:10:18,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:10:18,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:10:18,257 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:10:18,258 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-28 01:10:18,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:10:18,259 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:18,260 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:10:18,260 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:10:18,260 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:10:18,261 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:10:18,261 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:10:18,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:10:18,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:10:18,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:10:18,266 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-28 01:10:18,267 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 01:10:18,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:10:18,268 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:18,269 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:10:18,269 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:10:18,269 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:10:18,270 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:10:18,270 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:10:18,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:10:18,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:10:18,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:10:18,274 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-28 01:10:18,276 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-28 01:10:18,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:10:18,278 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:18,279 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:10:18,279 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:10:18,280 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:10:18,280 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:10:18,280 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:10:18,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:10:18,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:10:18,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:10:18,281 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:10:18,284 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-28 01:10:18,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:10:18,285 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:18,286 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:10:18,287 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:10:18,287 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:10:18,287 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:10:18,287 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:10:18,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:10:18,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:10:18,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:10:18,288 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:10:18,289 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-28 01:10:18,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:10:18,290 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:18,291 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:10:18,291 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:10:18,291 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:10:18,291 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:10:18,292 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:10:18,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:10:18,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:10:18,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:10:18,292 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:10:18,294 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-28 01:10:18,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:10:18,296 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:18,297 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:10:18,297 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:10:18,297 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:10:18,297 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:10:18,298 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:10:18,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:10:18,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:10:18,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:10:18,298 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:10:18,299 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-28 01:10:18,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:10:18,300 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:18,302 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:10:18,302 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:10:18,302 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:10:18,302 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:10:18,302 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:10:18,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:10:18,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:10:18,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:10:18,303 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:10:18,304 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-28 01:10:18,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:10:18,305 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:18,306 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:10:18,306 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:10:18,306 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:10:18,306 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:10:18,307 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:10:18,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:10:18,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:10:18,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:10:18,307 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:10:18,308 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-28 01:10:18,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:10:18,309 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:18,310 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:10:18,310 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:10:18,310 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:10:18,311 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:10:18,311 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:10:18,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:10:18,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:10:18,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:10:18,311 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:10:18,313 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-28 01:10:18,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:10:18,314 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:18,315 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:10:18,315 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:10:18,315 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:10:18,315 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:10:18,315 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:10:18,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:10:18,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:10:18,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:10:18,316 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:10:18,317 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-28 01:10:18,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:10:18,318 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:18,318 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:10:18,319 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:10:18,319 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:10:18,319 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:10:18,319 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:10:18,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:10:18,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:10:18,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:10:18,320 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:10:18,327 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2020-10-28 01:10:18,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:10:18,334 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:18,340 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:10:18,341 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-28 01:10:18,341 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:10:18,341 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 01:10:18,341 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:10:18,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:10:18,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 32 [2020-10-28 01:10:18,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:10:18,342 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:10:18,347 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2020-10-28 01:10:18,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:10:18,349 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:18,350 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:10:18,350 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 01:10:18,350 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:10:18,350 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:10:18,350 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:10:18,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:10:18,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 01:10:18,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:10:18,351 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:10:18,410 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 01:10:18,411 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [143359319] [2020-10-28 01:10:18,411 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 01:10:18,411 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-28 01:10:18,411 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [677297139] [2020-10-28 01:10:18,412 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-28 01:10:18,412 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 01:10:18,413 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-28 01:10:18,413 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-10-28 01:10:18,413 INFO L87 Difference]: Start difference. First operand 516 states and 749 transitions. Second operand 8 states. [2020-10-28 01:10:18,849 WARN L193 SmtUtils]: Spent 392.00 ms on a formula simplification that was a NOOP. DAG size: 250 [2020-10-28 01:10:19,005 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-28 01:10:19,408 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 249 [2020-10-28 01:10:19,600 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2020-10-28 01:10:27,454 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 01:10:27,455 INFO L93 Difference]: Finished difference Result 1338 states and 2028 transitions. [2020-10-28 01:10:27,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-28 01:10:27,456 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 246 [2020-10-28 01:10:27,456 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 01:10:27,463 INFO L225 Difference]: With dead ends: 1338 [2020-10-28 01:10:27,463 INFO L226 Difference]: Without dead ends: 846 [2020-10-28 01:10:27,466 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=55, Invalid=127, Unknown=0, NotChecked=0, Total=182 [2020-10-28 01:10:27,467 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 846 states. [2020-10-28 01:10:27,591 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 846 to 516. [2020-10-28 01:10:27,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 516 states. [2020-10-28 01:10:27,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 516 states to 516 states and 748 transitions. [2020-10-28 01:10:27,594 INFO L78 Accepts]: Start accepts. Automaton has 516 states and 748 transitions. Word has length 246 [2020-10-28 01:10:27,594 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 01:10:27,594 INFO L481 AbstractCegarLoop]: Abstraction has 516 states and 748 transitions. [2020-10-28 01:10:27,595 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-28 01:10:27,595 INFO L276 IsEmpty]: Start isEmpty. Operand 516 states and 748 transitions. [2020-10-28 01:10:27,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2020-10-28 01:10:27,597 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 01:10:27,597 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 01:10:27,597 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-28 01:10:27,597 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 01:10:27,598 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 01:10:27,598 INFO L82 PathProgramCache]: Analyzing trace with hash -819731530, now seen corresponding path program 1 times [2020-10-28 01:10:27,598 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 01:10:27,598 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1180252542] [2020-10-28 01:10:27,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 01:10:27,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:10:27,648 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:27,711 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:27,749 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:28,129 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:28,249 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:28,281 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:28,320 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:28,344 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:28,368 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:28,391 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:28,434 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:28,457 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:28,491 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:28,697 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:28,737 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:28,772 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:28,803 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:28,834 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:28,864 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:28,893 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:28,920 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:28,946 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:28,972 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:29,007 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:29,034 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:29,057 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:29,080 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:29,119 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:29,184 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:29,212 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:29,298 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:29,325 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:29,353 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:29,380 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:29,408 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:31,460 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:32,657 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:10:32,658 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 304 [2020-10-28 01:10:32,658 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 36 [2020-10-28 01:10:32,658 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5023 [2020-10-28 01:10:32,658 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:10:32,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 01:10:32,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 57 [2020-10-28 01:10:32,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 194 [2020-10-28 01:10:32,659 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:10:33,018 WARN L193 SmtUtils]: Spent 303.00 ms on a formula simplification that was a NOOP. DAG size: 247 [2020-10-28 01:10:33,019 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 01:10:33,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:10:33,028 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:33,035 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:10:33,035 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 01:10:33,035 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:10:33,035 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-28 01:10:33,036 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:10:33,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:10:33,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:10:33,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:10:33,036 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:10:33,072 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 01:10:33,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:10:33,075 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:33,077 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:10:33,077 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 01:10:33,077 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:10:33,077 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:10:33,077 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:10:33,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:10:33,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:10:33,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:10:33,077 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:10:33,079 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 01:10:33,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:10:33,080 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:33,080 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:10:33,080 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 01:10:33,080 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:10:33,080 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 01:10:33,080 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:10:33,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:10:33,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:10:33,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:10:33,081 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:10:33,115 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 01:10:33,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:10:33,119 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:33,123 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:10:33,124 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-28 01:10:33,124 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:10:33,124 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 01:10:33,124 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:10:33,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:10:33,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:10:33,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:10:33,125 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:10:33,215 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-28 01:10:33,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:10:33,222 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:33,233 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:10:33,233 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-28 01:10:33,234 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:10:33,234 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-28 01:10:33,234 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:10:33,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:10:33,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:10:33,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-28 01:10:33,234 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:10:33,246 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2020-10-28 01:10:33,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:10:33,267 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:33,308 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:10:33,308 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 162 [2020-10-28 01:10:33,308 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:10:33,308 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 48 [2020-10-28 01:10:33,308 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:10:33,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:10:33,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:10:33,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 159 [2020-10-28 01:10:33,309 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:10:33,321 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 01:10:33,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:10:33,330 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:33,338 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:10:33,338 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:10:33,338 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:10:33,338 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 01:10:33,339 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:10:33,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:10:33,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:10:33,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:10:33,339 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:10:33,340 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 01:10:33,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:10:33,342 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:33,343 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:10:33,343 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:10:33,343 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:10:33,343 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:10:33,343 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:10:33,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:10:33,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:10:33,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:10:33,344 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:10:33,346 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 01:10:33,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:10:33,347 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:33,349 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:10:33,349 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:10:33,349 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:10:33,349 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:10:33,349 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:10:33,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:10:33,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:10:33,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:10:33,350 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:10:33,351 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-28 01:10:33,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:10:33,353 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:33,354 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:10:33,354 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:10:33,354 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:10:33,354 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:10:33,355 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:10:33,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:10:33,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:10:33,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:10:33,355 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:10:33,356 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 01:10:33,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:10:33,358 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:33,359 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:10:33,359 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:10:33,359 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:10:33,359 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:10:33,360 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:10:33,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:10:33,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:10:33,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:10:33,360 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:10:33,361 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-28 01:10:33,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:10:33,363 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:33,364 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:10:33,365 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:10:33,365 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:10:33,365 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:10:33,365 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:10:33,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:10:33,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:10:33,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:10:33,366 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:10:33,367 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-28 01:10:33,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:10:33,368 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:33,369 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:10:33,370 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:10:33,370 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:10:33,370 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:10:33,370 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:10:33,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:10:33,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:10:33,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:10:33,371 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:10:33,372 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-28 01:10:33,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:10:33,373 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:33,375 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:10:33,375 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:10:33,375 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:10:33,375 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:10:33,375 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:10:33,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:10:33,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:10:33,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:10:33,376 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:10:33,378 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-28 01:10:33,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:10:33,380 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:33,381 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:10:33,381 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:10:33,381 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:10:33,381 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:10:33,381 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:10:33,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:10:33,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:10:33,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:10:33,382 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:10:33,386 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-28 01:10:33,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:10:33,388 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:33,389 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:10:33,389 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:10:33,389 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:10:33,390 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:10:33,390 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:10:33,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:10:33,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:10:33,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:10:33,390 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:10:33,392 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-28 01:10:33,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:10:33,393 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:33,394 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:10:33,394 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:10:33,394 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:10:33,394 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:10:33,395 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:10:33,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:10:33,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:10:33,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:10:33,395 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:10:33,396 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-28 01:10:33,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:10:33,398 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:33,399 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:10:33,399 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:10:33,399 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:10:33,399 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:10:33,399 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:10:33,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:10:33,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:10:33,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:10:33,400 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:10:33,401 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-28 01:10:33,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:10:33,402 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:33,403 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:10:33,403 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:10:33,404 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:10:33,404 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:10:33,404 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:10:33,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:10:33,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:10:33,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:10:33,404 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:10:33,405 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-28 01:10:33,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:10:33,408 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:33,409 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:10:33,410 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:10:33,410 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:10:33,410 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:10:33,410 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:10:33,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:10:33,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:10:33,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:10:33,411 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:10:33,426 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2020-10-28 01:10:33,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:10:33,448 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:33,477 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:10:33,477 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-28 01:10:33,477 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:10:33,477 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-10-28 01:10:33,477 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:10:33,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 01:10:33,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 01:10:33,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 35 [2020-10-28 01:10:33,478 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:10:33,561 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2020-10-28 01:10:33,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:10:33,564 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:33,565 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:10:33,565 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 01:10:33,565 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:10:33,565 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:10:33,565 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:10:33,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:10:33,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 01:10:33,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:10:33,566 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:10:33,782 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 01:10:33,783 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1180252542] [2020-10-28 01:10:33,783 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 01:10:33,783 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-28 01:10:33,784 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1481811593] [2020-10-28 01:10:33,784 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-28 01:10:33,785 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 01:10:33,785 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-28 01:10:33,785 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-10-28 01:10:33,786 INFO L87 Difference]: Start difference. First operand 516 states and 748 transitions. Second operand 9 states. [2020-10-28 01:10:33,954 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-28 01:10:34,156 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-28 01:10:35,706 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 250 [2020-10-28 01:10:36,020 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-28 01:10:39,655 WARN L193 SmtUtils]: Spent 401.00 ms on a formula simplification that was a NOOP. DAG size: 252 [2020-10-28 01:10:40,558 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 132 [2020-10-28 01:10:50,755 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 01:10:50,756 INFO L93 Difference]: Finished difference Result 2360 states and 3586 transitions. [2020-10-28 01:10:50,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-10-28 01:10:50,756 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 246 [2020-10-28 01:10:50,757 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 01:10:50,770 INFO L225 Difference]: With dead ends: 2360 [2020-10-28 01:10:50,770 INFO L226 Difference]: Without dead ends: 1877 [2020-10-28 01:10:50,773 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 125 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=178, Invalid=472, Unknown=0, NotChecked=0, Total=650 [2020-10-28 01:10:50,776 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1877 states. [2020-10-28 01:10:51,158 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1877 to 1373. [2020-10-28 01:10:51,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1373 states. [2020-10-28 01:10:51,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1373 states to 1373 states and 2039 transitions. [2020-10-28 01:10:51,165 INFO L78 Accepts]: Start accepts. Automaton has 1373 states and 2039 transitions. Word has length 246 [2020-10-28 01:10:51,166 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 01:10:51,166 INFO L481 AbstractCegarLoop]: Abstraction has 1373 states and 2039 transitions. [2020-10-28 01:10:51,166 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-28 01:10:51,166 INFO L276 IsEmpty]: Start isEmpty. Operand 1373 states and 2039 transitions. [2020-10-28 01:10:51,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2020-10-28 01:10:51,170 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 01:10:51,171 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 01:10:51,171 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-28 01:10:51,171 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 01:10:51,171 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 01:10:51,172 INFO L82 PathProgramCache]: Analyzing trace with hash 1229656312, now seen corresponding path program 1 times [2020-10-28 01:10:51,172 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 01:10:51,172 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [794686434] [2020-10-28 01:10:51,172 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 01:10:51,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:10:51,233 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:51,334 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:51,405 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:51,650 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:51,686 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:51,997 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:52,099 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:52,131 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:52,164 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:52,195 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:52,227 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:52,267 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:52,356 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:52,407 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:52,657 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:53,539 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:53,815 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:53,869 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:53,902 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:53,931 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:53,962 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:53,989 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:54,016 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:54,043 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:54,069 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:54,097 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:54,124 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:54,152 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:54,179 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:54,204 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:54,239 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:54,266 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:54,393 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:54,451 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:54,505 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:54,548 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:54,580 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:56,043 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:56,232 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:10:56,232 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 304 [2020-10-28 01:10:56,233 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 38 [2020-10-28 01:10:56,233 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5019 [2020-10-28 01:10:56,233 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:10:56,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 01:10:56,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 110 [2020-10-28 01:10:56,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 149 [2020-10-28 01:10:56,233 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:10:56,625 WARN L193 SmtUtils]: Spent 348.00 ms on a formula simplification that was a NOOP. DAG size: 247 [2020-10-28 01:10:56,626 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 01:10:56,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:10:56,633 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:56,639 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:10:56,639 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 01:10:56,639 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:10:56,639 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 01:10:56,639 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:10:56,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:10:56,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:10:56,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:10:56,639 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:10:56,675 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 01:10:56,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:10:56,678 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:56,680 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:10:56,680 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 01:10:56,680 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:10:56,681 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 01:10:56,681 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:10:56,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:10:56,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:10:56,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:10:56,681 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:10:56,683 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 01:10:56,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:10:56,684 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:56,685 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:10:56,685 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 01:10:56,685 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:10:56,685 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 01:10:56,685 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:10:56,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:10:56,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:10:56,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:10:56,686 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:10:56,726 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 01:10:56,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:10:56,730 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:56,735 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:10:56,735 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-28 01:10:56,736 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:10:56,736 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 01:10:56,736 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:10:56,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:10:56,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:10:56,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:10:56,737 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:10:56,807 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-28 01:10:56,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:10:56,811 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:56,818 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:10:56,818 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-28 01:10:56,818 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:10:56,819 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 01:10:56,819 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:10:56,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:10:56,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:10:56,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:10:56,819 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:10:56,823 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2020-10-28 01:10:56,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:10:56,830 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:56,850 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:10:56,850 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 162 [2020-10-28 01:10:56,850 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:10:56,851 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-28 01:10:56,851 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:10:56,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:10:56,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:10:56,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 30 [2020-10-28 01:10:56,851 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:10:56,859 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 01:10:56,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:10:56,860 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:56,861 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:10:56,861 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:10:56,862 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:10:56,862 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:10:56,862 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:10:56,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:10:56,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:10:56,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:10:56,862 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:10:56,863 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 01:10:56,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:10:56,864 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:56,864 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:10:56,865 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:10:56,865 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:10:56,865 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 01:10:56,865 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:10:56,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:10:56,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:10:56,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:10:56,865 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:10:56,866 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 01:10:56,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:10:56,867 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:56,868 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:10:56,869 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:10:56,869 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:10:56,869 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:10:56,869 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:10:56,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:10:56,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:10:56,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 01:10:56,869 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:10:56,870 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-28 01:10:56,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:10:56,872 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:56,873 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:10:56,873 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:10:56,874 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:10:56,874 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:10:56,874 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:10:56,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:10:56,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:10:56,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 01:10:56,874 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:10:56,875 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 01:10:56,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:10:56,877 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:56,878 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:10:56,878 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:10:56,878 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:10:56,878 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:10:56,879 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:10:56,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:10:56,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:10:56,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 01:10:56,879 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:10:56,880 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-28 01:10:56,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:10:56,881 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:56,882 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:10:56,883 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:10:56,883 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:10:56,883 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:10:56,883 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:10:56,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:10:56,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:10:56,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 01:10:56,883 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:10:56,884 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-28 01:10:56,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:10:56,885 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:56,887 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:10:56,887 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:10:56,887 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:10:56,887 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:10:56,887 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:10:56,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:10:56,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:10:56,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 01:10:56,888 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:10:56,889 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-28 01:10:56,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:10:56,890 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:56,892 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:10:56,892 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:10:56,892 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:10:56,892 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 01:10:56,892 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:10:56,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:10:56,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:10:56,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 01:10:56,893 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:10:56,894 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-28 01:10:56,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:10:56,896 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:56,898 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:10:56,898 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:10:56,898 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:10:56,899 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 01:10:56,899 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:10:56,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:10:56,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:10:56,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 01:10:56,899 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:10:56,900 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-28 01:10:56,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:10:56,902 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:56,904 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:10:56,904 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:10:56,904 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:10:56,904 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 01:10:56,904 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:10:56,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:10:56,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:10:56,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 01:10:56,905 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:10:56,906 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-28 01:10:56,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:10:56,907 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:56,908 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:10:56,909 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:10:56,909 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:10:56,909 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:10:56,909 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:10:56,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:10:56,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:10:56,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 01:10:56,909 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:10:56,910 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-28 01:10:56,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:10:56,912 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:56,913 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:10:56,913 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:10:56,913 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:10:56,914 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:10:56,914 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:10:56,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:10:56,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:10:56,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 01:10:56,914 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:10:56,915 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-28 01:10:56,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:10:56,916 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:56,918 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:10:56,918 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:10:56,918 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:10:56,918 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:10:56,918 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:10:56,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:10:56,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:10:56,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 01:10:56,919 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:10:56,919 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-28 01:10:56,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:10:56,921 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:56,923 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:10:56,923 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:10:56,923 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:10:56,923 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 01:10:56,923 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:10:56,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:10:56,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:10:56,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 01:10:56,924 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:10:56,938 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2020-10-28 01:10:56,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:10:56,956 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:56,986 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:10:56,986 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-28 01:10:56,987 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:10:56,987 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-10-28 01:10:56,987 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:10:56,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 01:10:56,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 01:10:56,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 35 [2020-10-28 01:10:56,987 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:10:57,022 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2020-10-28 01:10:57,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:10:57,024 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:57,025 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:10:57,025 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 01:10:57,025 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:10:57,025 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:10:57,026 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:10:57,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:10:57,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 01:10:57,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:10:57,026 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:10:57,131 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 01:10:57,131 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [794686434] [2020-10-28 01:10:57,131 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 01:10:57,131 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-28 01:10:57,131 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [264325450] [2020-10-28 01:10:57,132 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-28 01:10:57,132 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 01:10:57,133 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-28 01:10:57,133 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2020-10-28 01:10:57,133 INFO L87 Difference]: Start difference. First operand 1373 states and 2039 transitions. Second operand 9 states. [2020-10-28 01:10:57,292 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-28 01:10:57,493 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-28 01:10:59,341 WARN L193 SmtUtils]: Spent 377.00 ms on a formula simplification that was a NOOP. DAG size: 249 [2020-10-28 01:10:59,621 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2020-10-28 01:11:00,295 WARN L193 SmtUtils]: Spent 398.00 ms on a formula simplification that was a NOOP. DAG size: 250 [2020-10-28 01:11:00,598 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-28 01:11:16,599 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 171 [2020-10-28 01:11:27,903 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 01:11:27,904 INFO L93 Difference]: Finished difference Result 6350 states and 10097 transitions. [2020-10-28 01:11:27,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2020-10-28 01:11:27,905 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 246 [2020-10-28 01:11:27,905 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 01:11:27,939 INFO L225 Difference]: With dead ends: 6350 [2020-10-28 01:11:27,939 INFO L226 Difference]: Without dead ends: 5012 [2020-10-28 01:11:27,950 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 176 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=204, Invalid=608, Unknown=0, NotChecked=0, Total=812 [2020-10-28 01:11:27,957 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5012 states. [2020-10-28 01:11:29,010 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5012 to 3819. [2020-10-28 01:11:29,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3819 states. [2020-10-28 01:11:29,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3819 states to 3819 states and 5760 transitions. [2020-10-28 01:11:29,024 INFO L78 Accepts]: Start accepts. Automaton has 3819 states and 5760 transitions. Word has length 246 [2020-10-28 01:11:29,024 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 01:11:29,024 INFO L481 AbstractCegarLoop]: Abstraction has 3819 states and 5760 transitions. [2020-10-28 01:11:29,024 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-28 01:11:29,025 INFO L276 IsEmpty]: Start isEmpty. Operand 3819 states and 5760 transitions. [2020-10-28 01:11:29,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2020-10-28 01:11:29,031 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 01:11:29,031 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 01:11:29,032 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-28 01:11:29,032 INFO L429 AbstractCegarLoop]: === Iteration 9 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 01:11:29,032 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 01:11:29,032 INFO L82 PathProgramCache]: Analyzing trace with hash -100819140, now seen corresponding path program 1 times [2020-10-28 01:11:29,033 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 01:11:29,033 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1081115567] [2020-10-28 01:11:29,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 01:11:29,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:11:29,086 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:11:29,148 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:11:29,204 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:11:29,608 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:11:29,666 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:11:29,734 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:11:29,791 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:11:29,843 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:11:29,896 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:11:29,993 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:11:30,067 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:11:30,284 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:11:30,846 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:11:32,778 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:11:32,831 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:11:32,900 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:11:32,952 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:11:32,992 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:11:33,026 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:11:33,101 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:11:33,130 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:11:33,160 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:11:33,189 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:11:33,218 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:11:33,247 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:11:33,278 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:11:33,313 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:11:33,339 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:11:33,392 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:11:33,431 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:11:33,570 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:11:33,644 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:11:33,711 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:11:33,811 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:11:33,871 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:11:34,087 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:11:34,088 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 304 [2020-10-28 01:11:34,088 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 35 [2020-10-28 01:11:34,088 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5018 [2020-10-28 01:11:34,088 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:11:34,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 01:11:34,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 73 [2020-10-28 01:11:34,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 194 [2020-10-28 01:11:34,088 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:11:34,476 WARN L193 SmtUtils]: Spent 348.00 ms on a formula simplification that was a NOOP. DAG size: 247 [2020-10-28 01:11:34,477 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 01:11:34,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:11:34,485 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:11:34,492 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:11:34,493 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 01:11:34,493 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:11:34,493 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-28 01:11:34,493 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:11:34,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:11:34,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:11:34,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:11:34,494 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:11:34,541 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 01:11:34,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:11:34,544 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:11:34,545 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:11:34,545 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 01:11:34,546 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:11:34,546 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:11:34,546 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:11:34,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:11:34,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:11:34,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:11:34,546 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:11:34,547 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 01:11:34,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:11:34,549 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:11:34,550 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:11:34,550 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 01:11:34,550 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:11:34,550 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:11:34,550 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:11:34,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:11:34,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:11:34,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:11:34,551 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:11:34,603 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 01:11:34,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:11:34,606 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:11:34,610 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:11:34,610 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-28 01:11:34,610 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:11:34,610 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 01:11:34,610 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:11:34,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:11:34,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:11:34,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:11:34,611 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:11:34,698 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-28 01:11:34,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:11:34,706 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:11:34,715 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:11:34,715 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-28 01:11:34,716 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:11:34,716 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-28 01:11:34,716 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:11:34,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:11:34,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:11:34,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-28 01:11:34,716 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:11:34,723 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2020-10-28 01:11:34,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:11:34,761 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:11:34,806 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:11:34,807 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 162 [2020-10-28 01:11:34,807 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:11:34,807 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 71 [2020-10-28 01:11:34,807 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:11:34,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:11:34,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:11:34,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 159 [2020-10-28 01:11:34,807 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:11:34,816 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 01:11:34,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:11:34,817 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:11:34,818 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:11:34,818 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:11:34,818 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:11:34,818 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:11:34,819 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:11:34,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:11:34,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:11:34,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:11:34,819 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:11:34,820 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 01:11:34,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:11:34,821 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:11:34,865 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:11:34,866 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:11:34,866 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:11:34,866 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 44 [2020-10-28 01:11:34,866 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:11:34,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:11:34,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:11:34,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:11:34,866 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:11:34,878 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 01:11:34,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:11:34,879 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:11:34,880 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:11:34,880 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:11:34,880 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:11:34,880 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 01:11:34,880 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:11:34,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:11:34,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:11:34,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:11:34,881 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:11:34,881 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-28 01:11:34,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:11:34,882 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:11:34,883 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:11:34,883 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:11:34,883 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:11:34,883 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 01:11:34,883 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:11:34,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:11:34,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:11:34,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:11:34,884 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:11:34,884 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 01:11:34,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:11:34,885 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:11:34,885 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:11:34,886 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:11:34,886 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:11:34,886 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 01:11:34,886 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:11:34,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:11:34,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:11:34,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:11:34,886 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:11:34,887 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-28 01:11:34,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:11:34,888 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:11:34,889 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:11:34,889 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:11:34,889 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:11:34,889 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 01:11:34,889 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:11:34,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:11:34,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:11:34,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:11:34,889 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:11:34,890 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-28 01:11:34,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:11:34,891 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:11:34,891 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:11:34,892 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:11:34,892 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:11:34,892 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 01:11:34,892 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:11:34,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:11:34,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:11:34,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:11:34,892 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:11:34,893 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-28 01:11:34,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:11:34,894 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:11:34,894 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:11:34,894 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:11:34,895 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:11:34,895 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 01:11:34,895 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:11:34,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:11:34,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:11:34,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:11:34,895 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:11:34,896 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-28 01:11:34,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:11:34,897 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:11:34,898 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:11:34,898 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:11:34,898 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:11:34,898 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:11:34,898 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:11:34,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:11:34,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:11:34,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:11:34,899 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:11:34,900 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-28 01:11:34,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:11:34,901 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:11:34,902 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:11:34,902 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:11:34,902 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:11:34,902 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:11:34,902 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:11:34,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:11:34,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:11:34,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:11:34,903 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:11:34,904 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-28 01:11:34,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:11:34,905 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:11:34,906 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:11:34,906 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:11:34,906 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:11:34,907 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:11:34,907 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:11:34,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:11:34,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:11:34,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:11:34,907 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:11:34,908 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-28 01:11:34,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:11:34,909 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:11:34,910 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:11:34,910 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:11:34,910 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:11:34,910 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 01:11:34,910 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:11:34,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:11:34,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:11:34,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:11:34,911 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:11:34,911 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-28 01:11:34,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:11:34,912 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:11:34,913 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:11:34,913 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:11:34,913 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:11:34,913 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 01:11:34,913 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:11:34,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:11:34,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:11:34,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:11:34,913 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:11:34,914 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-28 01:11:34,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:11:34,915 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:11:34,916 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:11:34,917 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:11:34,917 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:11:34,917 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:11:34,917 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:11:34,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:11:34,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:11:34,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:11:34,918 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:11:34,926 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2020-10-28 01:11:34,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:11:34,933 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:11:34,951 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:11:34,951 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-28 01:11:34,952 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:11:34,952 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-28 01:11:34,952 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:11:34,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 01:11:34,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 01:11:34,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 35 [2020-10-28 01:11:34,952 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:11:35,027 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2020-10-28 01:11:35,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:11:35,029 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:11:35,029 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:11:35,030 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 01:11:35,030 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:11:35,030 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:11:35,030 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:11:35,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:11:35,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 01:11:35,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:11:35,030 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:11:35,104 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 01:11:35,104 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1081115567] [2020-10-28 01:11:35,104 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 01:11:35,104 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-28 01:11:35,105 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [178781327] [2020-10-28 01:11:35,105 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-28 01:11:35,106 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 01:11:35,106 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-28 01:11:35,106 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-10-28 01:11:35,106 INFO L87 Difference]: Start difference. First operand 3819 states and 5760 transitions. Second operand 9 states. [2020-10-28 01:11:35,295 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-28 01:11:35,492 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-28 01:11:37,017 WARN L193 SmtUtils]: Spent 342.00 ms on a formula simplification that was a NOOP. DAG size: 249 [2020-10-28 01:11:37,314 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2020-10-28 01:11:39,728 WARN L193 SmtUtils]: Spent 352.00 ms on a formula simplification that was a NOOP. DAG size: 252 [2020-10-28 01:11:40,018 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 132 [2020-10-28 01:11:41,783 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2020-10-28 01:11:56,108 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification that was a NOOP. DAG size: 171