/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.01.cil-2.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-28 01:03:15,688 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-28 01:03:15,693 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-28 01:03:15,755 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-28 01:03:15,756 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-28 01:03:15,762 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-28 01:03:15,765 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-28 01:03:15,770 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-28 01:03:15,774 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-28 01:03:15,780 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-28 01:03:15,782 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-28 01:03:15,783 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-28 01:03:15,784 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-28 01:03:15,787 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-28 01:03:15,790 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-28 01:03:15,792 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-28 01:03:15,794 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-28 01:03:15,798 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-28 01:03:15,807 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-28 01:03:15,814 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-28 01:03:15,817 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-28 01:03:15,819 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-28 01:03:15,821 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-28 01:03:15,824 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-28 01:03:15,834 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-28 01:03:15,862 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-28 01:03:15,865 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-28 01:03:15,866 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-28 01:03:15,867 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-28 01:03:15,868 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-28 01:03:15,868 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-28 01:03:15,869 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-28 01:03:15,870 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-28 01:03:15,875 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-28 01:03:15,877 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-28 01:03:15,877 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-28 01:03:15,886 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-28 01:03:15,887 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-28 01:03:15,887 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-28 01:03:15,888 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-28 01:03:15,889 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-28 01:03:15,891 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 01:03:15,949 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-28 01:03:15,950 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-28 01:03:15,954 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-28 01:03:15,955 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-28 01:03:15,955 INFO L138 SettingsManager]: * Use SBE=true [2020-10-28 01:03:15,955 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-28 01:03:15,955 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-28 01:03:15,956 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-28 01:03:15,956 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-28 01:03:15,956 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-28 01:03:15,957 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-28 01:03:15,958 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-28 01:03:15,958 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-28 01:03:15,958 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-28 01:03:15,958 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-28 01:03:15,959 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-28 01:03:15,959 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-28 01:03:15,959 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-28 01:03:15,959 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-28 01:03:15,960 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-28 01:03:15,960 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-28 01:03:15,960 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-28 01:03:15,960 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-28 01:03:15,961 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-28 01:03:15,961 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-28 01:03:15,961 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-28 01:03:15,961 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-28 01:03:15,962 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-28 01:03:15,962 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-28 01:03:15,962 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=DEEPEST;log-additional-information=true;unknown-allowed=true; [2020-10-28 01:03:16,400 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-28 01:03:16,449 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-28 01:03:16,452 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-28 01:03:16,454 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-28 01:03:16,455 INFO L275 PluginConnector]: CDTParser initialized [2020-10-28 01:03:16,460 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/systemc/token_ring.01.cil-2.c [2020-10-28 01:03:16,533 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/b207b26bb/55093d8b407d42d0b979ea64ae9bbb9e/FLAG813e1239f [2020-10-28 01:03:17,161 INFO L306 CDTParser]: Found 1 translation units. [2020-10-28 01:03:17,162 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/systemc/token_ring.01.cil-2.c [2020-10-28 01:03:17,182 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/b207b26bb/55093d8b407d42d0b979ea64ae9bbb9e/FLAG813e1239f [2020-10-28 01:03:17,480 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/b207b26bb/55093d8b407d42d0b979ea64ae9bbb9e [2020-10-28 01:03:17,484 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-28 01:03:17,491 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-28 01:03:17,493 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-28 01:03:17,493 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-28 01:03:17,498 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-28 01:03:17,499 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 01:03:17" (1/1) ... [2020-10-28 01:03:17,503 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@263e2936 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 01:03:17, skipping insertion in model container [2020-10-28 01:03:17,503 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 01:03:17" (1/1) ... [2020-10-28 01:03:17,516 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-28 01:03:17,579 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-28 01:03:17,858 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 01:03:17,871 INFO L203 MainTranslator]: Completed pre-run [2020-10-28 01:03:17,911 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 01:03:17,937 INFO L208 MainTranslator]: Completed translation [2020-10-28 01:03:17,937 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 01:03:17 WrapperNode [2020-10-28 01:03:17,937 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-28 01:03:17,939 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-28 01:03:17,939 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-28 01:03:17,939 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-28 01:03:17,963 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 01:03:17" (1/1) ... [2020-10-28 01:03:17,963 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 01:03:17" (1/1) ... [2020-10-28 01:03:17,973 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 01:03:17" (1/1) ... [2020-10-28 01:03:17,974 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 01:03:17" (1/1) ... [2020-10-28 01:03:17,985 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 01:03:17" (1/1) ... [2020-10-28 01:03:17,994 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 01:03:17" (1/1) ... [2020-10-28 01:03:17,997 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 01:03:17" (1/1) ... [2020-10-28 01:03:18,002 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-28 01:03:18,003 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-28 01:03:18,003 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-28 01:03:18,003 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-28 01:03:18,006 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 01:03:17" (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 01:03:18,119 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-28 01:03:18,119 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-28 01:03:18,119 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-28 01:03:18,120 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2020-10-28 01:03:18,120 INFO L138 BoogieDeclarations]: Found implementation of procedure master [2020-10-28 01:03:18,120 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit1 [2020-10-28 01:03:18,120 INFO L138 BoogieDeclarations]: Found implementation of procedure is_master_triggered [2020-10-28 01:03:18,120 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit1_triggered [2020-10-28 01:03:18,120 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels [2020-10-28 01:03:18,121 INFO L138 BoogieDeclarations]: Found implementation of procedure init_threads [2020-10-28 01:03:18,121 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2020-10-28 01:03:18,121 INFO L138 BoogieDeclarations]: Found implementation of procedure eval [2020-10-28 01:03:18,121 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events [2020-10-28 01:03:18,121 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events [2020-10-28 01:03:18,121 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads [2020-10-28 01:03:18,122 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2020-10-28 01:03:18,122 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_time_events [2020-10-28 01:03:18,122 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_time_events [2020-10-28 01:03:18,122 INFO L138 BoogieDeclarations]: Found implementation of procedure init_model [2020-10-28 01:03:18,122 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_simulation [2020-10-28 01:03:18,122 INFO L138 BoogieDeclarations]: Found implementation of procedure start_simulation [2020-10-28 01:03:18,123 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-28 01:03:18,123 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-28 01:03:18,123 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-28 01:03:18,123 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-28 01:03:18,123 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-28 01:03:18,123 INFO L130 BoogieDeclarations]: Found specification of procedure error [2020-10-28 01:03:18,124 INFO L130 BoogieDeclarations]: Found specification of procedure is_master_triggered [2020-10-28 01:03:18,124 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit1_triggered [2020-10-28 01:03:18,124 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2020-10-28 01:03:18,124 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-28 01:03:18,124 INFO L130 BoogieDeclarations]: Found specification of procedure master [2020-10-28 01:03:18,124 INFO L130 BoogieDeclarations]: Found specification of procedure transmit1 [2020-10-28 01:03:18,125 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels [2020-10-28 01:03:18,125 INFO L130 BoogieDeclarations]: Found specification of procedure init_threads [2020-10-28 01:03:18,125 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2020-10-28 01:03:18,125 INFO L130 BoogieDeclarations]: Found specification of procedure eval [2020-10-28 01:03:18,125 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events [2020-10-28 01:03:18,125 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events [2020-10-28 01:03:18,126 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads [2020-10-28 01:03:18,126 INFO L130 BoogieDeclarations]: Found specification of procedure fire_time_events [2020-10-28 01:03:18,126 INFO L130 BoogieDeclarations]: Found specification of procedure reset_time_events [2020-10-28 01:03:18,126 INFO L130 BoogieDeclarations]: Found specification of procedure init_model [2020-10-28 01:03:18,126 INFO L130 BoogieDeclarations]: Found specification of procedure stop_simulation [2020-10-28 01:03:18,126 INFO L130 BoogieDeclarations]: Found specification of procedure start_simulation [2020-10-28 01:03:18,126 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-28 01:03:18,127 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-28 01:03:18,127 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-28 01:03:18,127 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-28 01:03:18,127 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-28 01:03:18,127 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-28 01:03:18,127 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-28 01:03:18,992 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-28 01:03:18,993 INFO L298 CfgBuilder]: Removed 4 assume(true) statements. [2020-10-28 01:03:18,996 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 01:03:18 BoogieIcfgContainer [2020-10-28 01:03:18,997 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-28 01:03:18,999 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-28 01:03:19,000 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-28 01:03:19,004 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-28 01:03:19,005 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 01:03:17" (1/3) ... [2020-10-28 01:03:19,007 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35603539 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 01:03:19, skipping insertion in model container [2020-10-28 01:03:19,007 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 01:03:17" (2/3) ... [2020-10-28 01:03:19,007 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35603539 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 01:03:19, skipping insertion in model container [2020-10-28 01:03:19,008 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 01:03:18" (3/3) ... [2020-10-28 01:03:19,009 INFO L111 eAbstractionObserver]: Analyzing ICFG token_ring.01.cil-2.c [2020-10-28 01:03:19,024 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-28 01:03:19,031 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-28 01:03:19,048 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-28 01:03:19,095 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-28 01:03:19,095 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-28 01:03:19,095 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-28 01:03:19,095 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-28 01:03:19,097 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-28 01:03:19,097 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-28 01:03:19,097 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-28 01:03:19,097 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-28 01:03:19,130 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states. [2020-10-28 01:03:19,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2020-10-28 01:03:19,149 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 01:03:19,151 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] [2020-10-28 01:03:19,152 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 01:03:19,160 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 01:03:19,161 INFO L82 PathProgramCache]: Analyzing trace with hash -309336953, now seen corresponding path program 1 times [2020-10-28 01:03:19,170 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 01:03:19,171 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1165325563] [2020-10-28 01:03:19,171 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 01:03:19,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:03:19,411 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:03:19,764 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:03:19,812 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:03:19,865 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:03:21,704 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:03:21,803 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:03:21,836 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:03:24,363 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:03:24,364 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 113 [2020-10-28 01:03:24,364 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-28 01:03:24,364 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5007 [2020-10-28 01:03:24,367 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:03:24,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 01:03:24,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 63 [2020-10-28 01:03:24,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 01:03:24,369 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-28 01:03:24,586 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2020-10-28 01:03:24,589 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 01:03:24,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:03:24,605 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:03:24,612 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:03:24,612 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 01:03:24,612 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:03:24,613 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 01:03:24,613 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:03:24,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:03:24,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:03:24,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:03:24,614 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 01:03:24,635 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 01:03:24,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:03:24,642 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:03:24,644 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:03:24,646 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 01:03:24,647 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:03:24,647 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 01:03:24,647 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:03:24,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:03:24,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:03:24,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:03:24,648 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:03:24,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 01:03:24,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:03:24,655 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:03:24,663 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:03:24,663 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 01:03:24,664 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:03:24,664 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 01:03:24,664 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:03:24,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:03:24,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:03:24,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:03:24,665 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:03:24,682 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 01:03:24,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:03:24,685 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:03:24,687 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:03:24,687 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 01:03:24,687 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:03:24,688 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 01:03:24,688 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:03:24,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:03:24,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:03:24,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:03:24,689 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:03:24,706 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-28 01:03:24,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:03:24,709 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:03:24,712 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:03:24,712 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:03:24,712 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:03:24,713 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 01:03:24,713 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:03:24,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:03:24,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:03:24,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:03:24,714 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:03:24,716 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-28 01:03:24,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:03:24,724 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:03:24,731 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:03:24,807 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:03:24,807 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-28 01:03:24,807 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 01:03:24,808 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 84 [2020-10-28 01:03:24,808 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:03:24,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 01:03:24,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-10-28 01:03:24,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 01:03:24,809 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:03:24,830 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 01:03:24,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:03:24,832 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:03:24,834 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:03:24,834 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:03:24,834 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:03:24,834 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:03:24,835 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:03:24,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:03:24,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:03:24,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:03:24,836 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:03:24,837 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 01:03:24,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:03:24,841 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:03:24,846 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:03:24,846 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:03:24,847 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:03:24,847 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 01:03:24,847 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:03:24,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 01:03:24,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:03:24,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 01:03:24,848 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:03:24,874 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-28 01:03:24,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:03:24,878 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:03:24,882 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:03:24,882 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:03:24,883 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:03:24,883 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 01:03:24,883 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:03:24,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:03:24,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-28 01:03:24,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:03:24,884 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:03:24,886 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-28 01:03:24,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:03:24,889 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:03:24,891 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:03:24,891 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 01:03:24,892 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:03:24,892 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 01:03:24,894 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:03:24,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:03:24,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 01:03:24,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:03:24,895 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:03:24,930 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 01:03:24,931 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1165325563] [2020-10-28 01:03:24,934 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 01:03:24,934 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-28 01:03:24,935 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [524769502] [2020-10-28 01:03:24,946 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-28 01:03:24,946 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 01:03:24,961 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-28 01:03:24,964 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-10-28 01:03:24,966 INFO L87 Difference]: Start difference. First operand 155 states. Second operand 10 states. [2020-10-28 01:03:27,525 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 01:03:27,525 INFO L93 Difference]: Finished difference Result 369 states and 563 transitions. [2020-10-28 01:03:27,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-28 01:03:27,529 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 79 [2020-10-28 01:03:27,530 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 01:03:27,562 INFO L225 Difference]: With dead ends: 369 [2020-10-28 01:03:27,564 INFO L226 Difference]: Without dead ends: 222 [2020-10-28 01:03:27,577 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=91, Invalid=251, Unknown=0, NotChecked=0, Total=342 [2020-10-28 01:03:27,603 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 222 states. [2020-10-28 01:03:27,721 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 222 to 148. [2020-10-28 01:03:27,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 148 states. [2020-10-28 01:03:27,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 195 transitions. [2020-10-28 01:03:27,729 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 195 transitions. Word has length 79 [2020-10-28 01:03:27,730 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 01:03:27,730 INFO L481 AbstractCegarLoop]: Abstraction has 148 states and 195 transitions. [2020-10-28 01:03:27,730 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-28 01:03:27,730 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 195 transitions. [2020-10-28 01:03:27,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2020-10-28 01:03:27,741 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 01:03:27,741 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] [2020-10-28 01:03:27,743 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-28 01:03:27,743 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 01:03:27,744 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 01:03:27,744 INFO L82 PathProgramCache]: Analyzing trace with hash -381723511, now seen corresponding path program 1 times [2020-10-28 01:03:27,745 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 01:03:27,745 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [334799719] [2020-10-28 01:03:27,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 01:03:27,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:03:27,796 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:03:27,866 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:03:27,887 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:03:28,202 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:03:28,258 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:03:28,277 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:03:30,405 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:03:30,941 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:03:31,199 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:03:32,786 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:03:32,786 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 113 [2020-10-28 01:03:32,787 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-10-28 01:03:32,787 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5005 [2020-10-28 01:03:32,787 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:03:32,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 01:03:32,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 52 [2020-10-28 01:03:32,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 01:03:32,788 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 01:03:32,871 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 01:03:32,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:03:32,879 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:03:32,890 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:03:32,891 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 01:03:32,891 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:03:32,892 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-28 01:03:32,892 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:03:32,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:03:32,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:03:32,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:03:32,893 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 01:03:32,908 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 01:03:32,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:03:32,911 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:03:32,912 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:03:32,912 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 01:03:32,912 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:03:32,913 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:03:32,913 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:03:32,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:03:32,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:03:32,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:03:32,913 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:03:32,915 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 01:03:32,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:03:32,917 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:03:32,918 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:03:32,918 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 01:03:32,918 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:03:32,918 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:03:32,919 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:03:32,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:03:32,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:03:32,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:03:32,919 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:03:32,931 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 01:03:32,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:03:32,934 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:03:32,935 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:03:32,936 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 01:03:32,936 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:03:32,936 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 01:03:32,937 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:03:32,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:03:32,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:03:32,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:03:32,938 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 01:03:32,957 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-28 01:03:32,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:03:32,960 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:03:32,964 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:03:32,964 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:03:32,965 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:03:32,965 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 01:03:32,965 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:03:32,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:03:32,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:03:32,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:03:32,966 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:03:32,968 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-28 01:03:32,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:03:32,977 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:03:32,999 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:03:32,999 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-28 01:03:32,999 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:03:33,000 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-28 01:03:33,000 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:03:33,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 01:03:33,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-28 01:03:33,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 01:03:33,001 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 01:03:33,050 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 01:03:33,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:03:33,054 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:03:33,060 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:03:33,060 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:03:33,060 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:03:33,060 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 01:03:33,060 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:03:33,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 01:03:33,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:03:33,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 01:03:33,061 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:03:33,083 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 01:03:33,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:03:33,086 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:03:33,087 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:03:33,088 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:03:33,088 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:03:33,088 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 01:03:33,089 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:03:33,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:03:33,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-28 01:03:33,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:03:33,089 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:03:33,092 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-28 01:03:33,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:03:33,095 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:03:33,098 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:03:33,099 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:03:33,099 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:03:33,099 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 01:03:33,099 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:03:33,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:03:33,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-28 01:03:33,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:03:33,100 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:03:33,102 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-28 01:03:33,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:03:33,105 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:03:33,107 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:03:33,108 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 01:03:33,108 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:03:33,108 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 01:03:33,108 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:03:33,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:03:33,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 01:03:33,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:03:33,109 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:03:33,125 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 01:03:33,125 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [334799719] [2020-10-28 01:03:33,126 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 01:03:33,126 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-28 01:03:33,126 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1644991495] [2020-10-28 01:03:33,128 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-28 01:03:33,129 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 01:03:33,130 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-28 01:03:33,130 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-10-28 01:03:33,130 INFO L87 Difference]: Start difference. First operand 148 states and 195 transitions. Second operand 10 states. [2020-10-28 01:03:34,956 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 01:03:34,956 INFO L93 Difference]: Finished difference Result 355 states and 515 transitions. [2020-10-28 01:03:34,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-28 01:03:34,957 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 79 [2020-10-28 01:03:34,957 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 01:03:34,963 INFO L225 Difference]: With dead ends: 355 [2020-10-28 01:03:34,963 INFO L226 Difference]: Without dead ends: 227 [2020-10-28 01:03:34,966 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=84, Invalid=222, Unknown=0, NotChecked=0, Total=306 [2020-10-28 01:03:34,968 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 227 states. [2020-10-28 01:03:35,021 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 227 to 153. [2020-10-28 01:03:35,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 153 states. [2020-10-28 01:03:35,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 153 states and 200 transitions. [2020-10-28 01:03:35,026 INFO L78 Accepts]: Start accepts. Automaton has 153 states and 200 transitions. Word has length 79 [2020-10-28 01:03:35,027 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 01:03:35,027 INFO L481 AbstractCegarLoop]: Abstraction has 153 states and 200 transitions. [2020-10-28 01:03:35,027 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-28 01:03:35,027 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 200 transitions. [2020-10-28 01:03:35,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2020-10-28 01:03:35,035 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 01:03:35,035 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] [2020-10-28 01:03:35,035 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-28 01:03:35,036 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 01:03:35,036 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 01:03:35,036 INFO L82 PathProgramCache]: Analyzing trace with hash -133577017, now seen corresponding path program 1 times [2020-10-28 01:03:35,036 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 01:03:35,037 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1541837707] [2020-10-28 01:03:35,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 01:03:35,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:03:35,065 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:03:35,120 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:03:35,240 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:03:35,279 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:03:35,419 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:03:36,235 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:03:36,653 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:03:37,315 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:03:40,060 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:03:40,060 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 113 [2020-10-28 01:03:40,060 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-28 01:03:40,060 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-28 01:03:40,061 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:03:40,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 01:03:40,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 51 [2020-10-28 01:03:40,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 54 [2020-10-28 01:03:40,061 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:03:40,165 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 01:03:40,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:03:40,169 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:03:40,172 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:03:40,173 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 01:03:40,173 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:03:40,173 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 01:03:40,173 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:03:40,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:03:40,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:03:40,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:03:40,174 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:03:40,192 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 01:03:40,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:03:40,194 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:03:40,195 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:03:40,196 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 01:03:40,196 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:03:40,196 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:03:40,196 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:03:40,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:03:40,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:03:40,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:03:40,197 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:03:40,198 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 01:03:40,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:03:40,200 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:03:40,200 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:03:40,201 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 01:03:40,201 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:03:40,201 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:03:40,201 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:03:40,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:03:40,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:03:40,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:03:40,202 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:03:40,211 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 01:03:40,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:03:40,213 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:03:40,214 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:03:40,215 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 01:03:40,215 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:03:40,215 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:03:40,215 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:03:40,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:03:40,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:03:40,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:03:40,216 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:03:40,230 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-28 01:03:40,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:03:40,233 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:03:40,235 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:03:40,235 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:03:40,236 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:03:40,236 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 01:03:40,236 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:03:40,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:03:40,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:03:40,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:03:40,237 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:03:40,239 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-28 01:03:40,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:03:40,243 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:03:40,249 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:03:40,250 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-28 01:03:40,250 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:03:40,250 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 01:03:40,250 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:03:40,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:03:40,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:03:40,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 01:03:40,251 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:03:40,257 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 01:03:40,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:03:40,260 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:03:40,262 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:03:40,262 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:03:40,263 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:03:40,263 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 01:03:40,263 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:03:40,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:03:40,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:03:40,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-28 01:03:40,264 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:03:40,268 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 01:03:40,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:03:40,271 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:03:40,274 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:03:40,274 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:03:40,275 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:03:40,275 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 01:03:40,275 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:03:40,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:03:40,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:03:40,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 01:03:40,276 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:03:40,279 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-28 01:03:40,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:03:40,283 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:03:40,287 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:03:40,287 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:03:40,288 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:03:40,288 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 01:03:40,288 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:03:40,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:03:40,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:03:40,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 01:03:40,289 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:03:40,291 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-28 01:03:40,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:03:40,294 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:03:40,297 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:03:40,297 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 01:03:40,298 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:03:40,298 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 01:03:40,298 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:03:40,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:03:40,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:03:40,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 01:03:40,299 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:03:40,314 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 01:03:40,314 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1541837707] [2020-10-28 01:03:40,315 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 01:03:40,315 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-28 01:03:40,315 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1999827600] [2020-10-28 01:03:40,316 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-28 01:03:40,316 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 01:03:40,316 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-28 01:03:40,317 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-28 01:03:40,317 INFO L87 Difference]: Start difference. First operand 153 states and 200 transitions. Second operand 7 states. [2020-10-28 01:03:42,296 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 01:03:42,296 INFO L93 Difference]: Finished difference Result 520 states and 757 transitions. [2020-10-28 01:03:42,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-28 01:03:42,297 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 79 [2020-10-28 01:03:42,298 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 01:03:42,303 INFO L225 Difference]: With dead ends: 520 [2020-10-28 01:03:42,304 INFO L226 Difference]: Without dead ends: 387 [2020-10-28 01:03:42,305 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 23 SyntacticMatches, 4 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=60, Invalid=122, Unknown=0, NotChecked=0, Total=182 [2020-10-28 01:03:42,306 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 387 states. [2020-10-28 01:03:42,389 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 387 to 295. [2020-10-28 01:03:42,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 295 states. [2020-10-28 01:03:42,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 295 states and 401 transitions. [2020-10-28 01:03:42,392 INFO L78 Accepts]: Start accepts. Automaton has 295 states and 401 transitions. Word has length 79 [2020-10-28 01:03:42,393 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 01:03:42,393 INFO L481 AbstractCegarLoop]: Abstraction has 295 states and 401 transitions. [2020-10-28 01:03:42,393 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-28 01:03:42,393 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 401 transitions. [2020-10-28 01:03:42,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2020-10-28 01:03:42,397 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 01:03:42,397 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:03:42,398 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-28 01:03:42,398 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 01:03:42,398 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 01:03:42,398 INFO L82 PathProgramCache]: Analyzing trace with hash 667955578, now seen corresponding path program 1 times [2020-10-28 01:03:42,399 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 01:03:42,399 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1108010315] [2020-10-28 01:03:42,399 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 01:03:42,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:03:42,423 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:03:42,457 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:03:42,477 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:03:42,609 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:03:42,944 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:03:43,036 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:03:43,056 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:03:47,417 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:03:47,417 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 170 [2020-10-28 01:03:47,417 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-28 01:03:47,418 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-28 01:03:47,418 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:03:47,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:03:47,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 139 [2020-10-28 01:03:47,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-28 01:03:47,418 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:03:47,512 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 01:03:47,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:03:47,516 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:03:47,523 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:03:47,523 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 01:03:47,524 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:03:47,524 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 01:03:47,524 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:03:47,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:03:47,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:03:47,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:03:47,525 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:03:47,537 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 01:03:47,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:03:47,539 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:03:47,540 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:03:47,541 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 01:03:47,541 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:03:47,541 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:03:47,541 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:03:47,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:03:47,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:03:47,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:03:47,542 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:03:47,543 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 01:03:47,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:03:47,545 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:03:47,545 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:03:47,546 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 01:03:47,546 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:03:47,546 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 01:03:47,546 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:03:47,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:03:47,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:03:47,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:03:47,547 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:03:47,556 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 01:03:47,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:03:47,558 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:03:47,560 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:03:47,560 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 01:03:47,560 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:03:47,560 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:03:47,561 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:03:47,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:03:47,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:03:47,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:03:47,561 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:03:47,575 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-28 01:03:47,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:03:47,577 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:03:47,580 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:03:47,580 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:03:47,580 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:03:47,580 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 01:03:47,580 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:03:47,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:03:47,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:03:47,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:03:47,581 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:03:47,583 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-28 01:03:47,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:03:47,587 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:03:47,590 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:03:47,591 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-28 01:03:47,591 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:03:47,591 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 01:03:47,591 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:03:47,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:03:47,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:03:47,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:03:47,592 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:03:47,595 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 01:03:47,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:03:47,597 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:03:47,598 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:03:47,599 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:03:47,599 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:03:47,599 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:03:47,599 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:03:47,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:03:47,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:03:47,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:03:47,600 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:03:47,601 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 01:03:47,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:03:47,603 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:03:47,604 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:03:47,604 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:03:47,604 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:03:47,604 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:03:47,605 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:03:47,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:03:47,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:03:47,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:03:47,605 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:03:47,607 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-28 01:03:47,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:03:47,610 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:03:47,612 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:03:47,612 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:03:47,612 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:03:47,612 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 01:03:47,613 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:03:47,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:03:47,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:03:47,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:03:47,613 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:03:47,616 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-28 01:03:47,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:03:47,618 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:03:47,620 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:03:47,620 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 01:03:47,620 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:03:47,620 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:03:47,620 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:03:47,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:03:47,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:03:47,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:03:47,621 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:03:47,639 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-10-28 01:03:47,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:03:47,651 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:03:47,665 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:03:47,665 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-28 01:03:47,665 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:03:47,666 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-28 01:03:47,666 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:03:47,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:03:47,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:03:47,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 39 [2020-10-28 01:03:47,666 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:03:47,672 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-28 01:03:47,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:03:47,675 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:03:47,678 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:03:47,678 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-28 01:03:47,678 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:03:47,679 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 01:03:47,679 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:03:47,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:03:47,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:03:47,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:03:47,679 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:03:47,682 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 01:03:47,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:03:47,687 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:03:47,690 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:03:47,690 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-28 01:03:47,691 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:03:47,691 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 01:03:47,691 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:03:47,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:03:47,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:03:47,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:03:47,692 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:03:47,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 01:03:47,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:03:47,697 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:03:47,698 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:03:47,698 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:03:47,698 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:03:47,698 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:03:47,699 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:03:47,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:03:47,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:03:47,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:03:47,699 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:03:47,701 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 01:03:47,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:03:47,702 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:03:47,704 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:03:47,704 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:03:47,704 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:03:47,704 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:03:47,704 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:03:47,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:03:47,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:03:47,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:03:47,705 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:03:47,709 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2020-10-28 01:03:47,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:03:47,711 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:03:47,714 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:03:47,714 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 01:03:47,714 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:03:47,714 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 01:03:47,714 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:03:47,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:03:47,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-28 01:03:47,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 01:03:47,715 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:03:47,747 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2020-10-28 01:03:47,747 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1108010315] [2020-10-28 01:03:47,747 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 01:03:47,748 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-28 01:03:47,748 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [289190083] [2020-10-28 01:03:47,750 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-28 01:03:47,750 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 01:03:47,750 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-28 01:03:47,751 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2020-10-28 01:03:47,751 INFO L87 Difference]: Start difference. First operand 295 states and 401 transitions. Second operand 9 states. [2020-10-28 01:03:50,796 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 01:03:50,797 INFO L93 Difference]: Finished difference Result 1086 states and 1567 transitions. [2020-10-28 01:03:50,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-10-28 01:03:50,797 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 124 [2020-10-28 01:03:50,799 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 01:03:50,807 INFO L225 Difference]: With dead ends: 1086 [2020-10-28 01:03:50,808 INFO L226 Difference]: Without dead ends: 633 [2020-10-28 01:03:50,814 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 92 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=119, Invalid=343, Unknown=0, NotChecked=0, Total=462 [2020-10-28 01:03:50,816 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 633 states. [2020-10-28 01:03:50,907 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 633 to 494. [2020-10-28 01:03:50,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 494 states. [2020-10-28 01:03:50,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 494 states to 494 states and 660 transitions. [2020-10-28 01:03:50,916 INFO L78 Accepts]: Start accepts. Automaton has 494 states and 660 transitions. Word has length 124 [2020-10-28 01:03:50,919 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 01:03:50,919 INFO L481 AbstractCegarLoop]: Abstraction has 494 states and 660 transitions. [2020-10-28 01:03:50,919 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-28 01:03:50,919 INFO L276 IsEmpty]: Start isEmpty. Operand 494 states and 660 transitions. [2020-10-28 01:03:50,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2020-10-28 01:03:50,929 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 01:03:50,929 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:03:50,930 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-28 01:03:50,930 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 01:03:50,931 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 01:03:50,931 INFO L82 PathProgramCache]: Analyzing trace with hash 1609555709, now seen corresponding path program 1 times [2020-10-28 01:03:50,932 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 01:03:50,932 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [279344065] [2020-10-28 01:03:50,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 01:03:50,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:03:50,966 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:03:51,015 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:03:51,057 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:03:51,129 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:03:51,228 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:03:51,668 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:03:51,886 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:03:53,813 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:03:53,852 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:03:53,875 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:03:55,959 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:03:55,959 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 215 [2020-10-28 01:03:55,960 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 10 [2020-10-28 01:03:55,960 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-28 01:03:55,960 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:03:55,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:03:55,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 148 [2020-10-28 01:03:55,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-28 01:03:55,961 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 01:03:56,057 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 01:03:56,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:03:56,063 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:03:56,071 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:03:56,071 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 01:03:56,071 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:03:56,072 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-28 01:03:56,072 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:03:56,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:03:56,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:03:56,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:03:56,073 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 01:03:56,086 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 01:03:56,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:03:56,091 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:03:56,092 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:03:56,092 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 01:03:56,093 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:03:56,093 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 01:03:56,093 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:03:56,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:03:56,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:03:56,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:03:56,094 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 01:03:56,096 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 01:03:56,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:03:56,098 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:03:56,101 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:03:56,101 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 01:03:56,101 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:03:56,101 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 01:03:56,102 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:03:56,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:03:56,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:03:56,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:03:56,103 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 01:03:56,112 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 01:03:56,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:03:56,114 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:03:56,115 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:03:56,115 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 01:03:56,115 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:03:56,116 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:03:56,116 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:03:56,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:03:56,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:03:56,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:03:56,116 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:03:56,130 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-28 01:03:56,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:03:56,134 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:03:56,136 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:03:56,136 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:03:56,136 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:03:56,136 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 01:03:56,136 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:03:56,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:03:56,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:03:56,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:03:56,137 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:03:56,139 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-28 01:03:56,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:03:56,141 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:03:56,144 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:03:56,144 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-28 01:03:56,145 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:03:56,145 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 01:03:56,145 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:03:56,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:03:56,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:03:56,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:03:56,146 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:03:56,148 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 01:03:56,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:03:56,150 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:03:56,151 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:03:56,151 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:03:56,151 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:03:56,151 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:03:56,152 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:03:56,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:03:56,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:03:56,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:03:56,152 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:03:56,153 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 01:03:56,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:03:56,155 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:03:56,156 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:03:56,157 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:03:56,157 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:03:56,157 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:03:56,157 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:03:56,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:03:56,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:03:56,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:03:56,158 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:03:56,160 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-28 01:03:56,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:03:56,163 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:03:56,165 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:03:56,165 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:03:56,165 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:03:56,165 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 01:03:56,166 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:03:56,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:03:56,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:03:56,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:03:56,166 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:03:56,168 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-28 01:03:56,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:03:56,170 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:03:56,171 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:03:56,172 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 01:03:56,172 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:03:56,172 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:03:56,172 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:03:56,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:03:56,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:03:56,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:03:56,173 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:03:56,191 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-10-28 01:03:56,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:03:56,194 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:03:56,201 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:03:56,202 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-28 01:03:56,202 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:03:56,202 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 01:03:56,202 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:03:56,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:03:56,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:03:56,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:03:56,203 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:03:56,208 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-28 01:03:56,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:03:56,212 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:03:56,217 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:03:56,218 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-28 01:03:56,218 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:03:56,218 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 01:03:56,218 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:03:56,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:03:56,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:03:56,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:03:56,219 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:03:56,221 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 01:03:56,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:03:56,225 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:03:56,228 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:03:56,228 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-28 01:03:56,229 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:03:56,229 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 01:03:56,229 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:03:56,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:03:56,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:03:56,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:03:56,230 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 01:03:56,234 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 01:03:56,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:03:56,236 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:03:56,237 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:03:56,237 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:03:56,237 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:03:56,238 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:03:56,238 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:03:56,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:03:56,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:03:56,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:03:56,239 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:03:56,240 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 01:03:56,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:03:56,241 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:03:56,242 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:03:56,242 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:03:56,243 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:03:56,243 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:03:56,243 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:03:56,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:03:56,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:03:56,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:03:56,244 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:03:56,261 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2020-10-28 01:03:56,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:03:56,272 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:03:56,283 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:03:56,283 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-10-28 01:03:56,283 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:03:56,283 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-28 01:03:56,284 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:03:56,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:03:56,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-28 01:03:56,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-28 01:03:56,284 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:03:56,293 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 01:03:56,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:03:56,300 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:03:56,308 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:03:56,308 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-28 01:03:56,309 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:03:56,309 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-28 01:03:56,309 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:03:56,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:03:56,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-10-28 01:03:56,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-28 01:03:56,310 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:03:56,320 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 01:03:56,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:03:56,325 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:03:56,335 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:03:56,336 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-28 01:03:56,336 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:03:56,336 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-28 01:03:56,336 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:03:56,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:03:56,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:03:56,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-28 01:03:56,337 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:03:56,341 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 01:03:56,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:03:56,343 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:03:56,345 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:03:56,346 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:03:56,346 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:03:56,346 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 01:03:56,346 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:03:56,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:03:56,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:03:56,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:03:56,347 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:03:56,348 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 01:03:56,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:03:56,350 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:03:56,353 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:03:56,353 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:03:56,354 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:03:56,354 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 01:03:56,354 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:03:56,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:03:56,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:03:56,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-28 01:03:56,355 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:03:56,361 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2020-10-28 01:03:56,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:03:56,363 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:03:56,365 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:03:56,365 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 01:03:56,365 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:03:56,366 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 01:03:56,366 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:03:56,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:03:56,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 01:03:56,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:03:56,367 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:03:56,401 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2020-10-28 01:03:56,401 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [279344065] [2020-10-28 01:03:56,402 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 01:03:56,402 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-28 01:03:56,402 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1445996709] [2020-10-28 01:03:56,404 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-28 01:03:56,405 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 01:03:56,405 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-28 01:03:56,405 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2020-10-28 01:03:56,406 INFO L87 Difference]: Start difference. First operand 494 states and 660 transitions. Second operand 10 states. [2020-10-28 01:03:59,319 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 01:03:59,319 INFO L93 Difference]: Finished difference Result 1653 states and 2393 transitions. [2020-10-28 01:03:59,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-10-28 01:03:59,320 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 159 [2020-10-28 01:03:59,321 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 01:03:59,330 INFO L225 Difference]: With dead ends: 1653 [2020-10-28 01:03:59,330 INFO L226 Difference]: Without dead ends: 1179 [2020-10-28 01:03:59,335 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 120 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=148, Invalid=452, Unknown=0, NotChecked=0, Total=600 [2020-10-28 01:03:59,337 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1179 states. [2020-10-28 01:03:59,442 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1179 to 890. [2020-10-28 01:03:59,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 890 states. [2020-10-28 01:03:59,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 890 states to 890 states and 1169 transitions. [2020-10-28 01:03:59,450 INFO L78 Accepts]: Start accepts. Automaton has 890 states and 1169 transitions. Word has length 159 [2020-10-28 01:03:59,450 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 01:03:59,451 INFO L481 AbstractCegarLoop]: Abstraction has 890 states and 1169 transitions. [2020-10-28 01:03:59,451 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-28 01:03:59,451 INFO L276 IsEmpty]: Start isEmpty. Operand 890 states and 1169 transitions. [2020-10-28 01:03:59,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2020-10-28 01:03:59,456 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 01:03:59,456 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:03:59,456 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-28 01:03:59,456 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 01:03:59,457 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 01:03:59,457 INFO L82 PathProgramCache]: Analyzing trace with hash -438209450, now seen corresponding path program 1 times [2020-10-28 01:03:59,457 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 01:03:59,457 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [216130273] [2020-10-28 01:03:59,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 01:03:59,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:03:59,479 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:03:59,505 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:03:59,530 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:03:59,553 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:03:59,573 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:03:59,612 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:01,240 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:01,576 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:01,609 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:01,907 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:04,480 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:04:04,480 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 237 [2020-10-28 01:04:04,480 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 10 [2020-10-28 01:04:04,480 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5006 [2020-10-28 01:04:04,480 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:04:04,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:04:04,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 161 [2020-10-28 01:04:04,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 35 [2020-10-28 01:04:04,481 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:04:04,574 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 01:04:04,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:04:04,580 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:04,585 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:04:04,585 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 01:04:04,585 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:04:04,586 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 01:04:04,586 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:04:04,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:04:04,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:04:04,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:04:04,586 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:04:04,598 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 01:04:04,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:04:04,600 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:04,601 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:04:04,601 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 01:04:04,601 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:04:04,601 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:04:04,601 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:04:04,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:04:04,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:04:04,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:04:04,602 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:04:04,603 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 01:04:04,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:04:04,604 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:04,605 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:04:04,605 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 01:04:04,605 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:04:04,605 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 01:04:04,605 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:04:04,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:04:04,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:04:04,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:04:04,606 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:04:04,616 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 01:04:04,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:04:04,618 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:04,624 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:04:04,624 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 01:04:04,625 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:04:04,625 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 01:04:04,625 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:04:04,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:04:04,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:04:04,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:04:04,626 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:04:04,640 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-28 01:04:04,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:04:04,645 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:04,648 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:04:04,648 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:04:04,649 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:04:04,649 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 01:04:04,649 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:04:04,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:04:04,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:04:04,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:04:04,650 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 01:04:04,653 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-28 01:04:04,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:04:04,656 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:04,660 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:04:04,660 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-28 01:04:04,661 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:04:04,661 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 01:04:04,661 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:04:04,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:04:04,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:04:04,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:04:04,662 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 01:04:04,665 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 01:04:04,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:04:04,668 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:04,670 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:04:04,670 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:04:04,670 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:04:04,670 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 01:04:04,671 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:04:04,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:04:04,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:04:04,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:04:04,672 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 01:04:04,673 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 01:04:04,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:04:04,676 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:04,678 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:04:04,678 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:04:04,678 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:04:04,678 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 01:04:04,679 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:04:04,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:04:04,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:04:04,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:04:04,680 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 01:04:04,683 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-28 01:04:04,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:04:04,685 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:04,691 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:04:04,691 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:04:04,691 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:04:04,692 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 01:04:04,692 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:04:04,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:04:04,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:04:04,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:04:04,693 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:04:04,697 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-28 01:04:04,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:04:04,700 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:04,702 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:04:04,702 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 01:04:04,702 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:04:04,702 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:04:04,703 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:04:04,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:04:04,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:04:04,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:04:04,704 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 01:04:04,726 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2020-10-28 01:04:04,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:04:04,732 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:04,734 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:04:04,737 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 01:04:04,737 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:04:04,738 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 01:04:04,738 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:04:04,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:04:04,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:04:04,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:04:04,739 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 01:04:04,742 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-10-28 01:04:04,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:04:04,744 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:04,746 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:04:04,747 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 01:04:04,747 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:04:04,747 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 01:04:04,748 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:04:04,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:04:04,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:04:04,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:04:04,749 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 01:04:04,776 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-28 01:04:04,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:04:04,788 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:04,805 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:04:04,805 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-28 01:04:04,805 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:04:04,806 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-28 01:04:04,806 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:04:04,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:04:04,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:04:04,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 39 [2020-10-28 01:04:04,807 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:04:04,814 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-28 01:04:04,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:04:04,817 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:04,822 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:04:04,822 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-28 01:04:04,823 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:04:04,823 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 01:04:04,823 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:04:04,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:04:04,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:04:04,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:04:04,824 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 01:04:04,827 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 01:04:04,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:04:04,833 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:04,838 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:04:04,838 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-28 01:04:04,839 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:04:04,839 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 01:04:04,839 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:04:04,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:04:04,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:04:04,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:04:04,840 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 01:04:04,844 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 01:04:04,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:04:04,846 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:04,848 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:04:04,848 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:04:04,848 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:04:04,849 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:04:04,849 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:04:04,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:04:04,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:04:04,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:04:04,853 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-28 01:04:04,855 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 01:04:04,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:04:04,857 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:04,859 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:04:04,859 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:04:04,860 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:04:04,860 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 01:04:04,860 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:04:04,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:04:04,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:04:04,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:04:04,862 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 01:04:04,867 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-10-28 01:04:04,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:04:04,880 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:04,895 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:04:04,896 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-10-28 01:04:04,896 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:04:04,896 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-28 01:04:04,896 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:04:04,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:04:04,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 28 [2020-10-28 01:04:04,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-28 01:04:04,897 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:04:04,911 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 01:04:04,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:04:04,920 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:04,939 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:04:04,940 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-28 01:04:04,940 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:04:04,940 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-28 01:04:04,940 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:04:04,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:04:04,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:04:04,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-10-28 01:04:04,941 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 01:04:04,951 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 01:04:04,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:04:04,959 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:04,971 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:04:04,972 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-28 01:04:04,972 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:04:04,972 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-28 01:04:04,973 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:04:04,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:04:04,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:04:04,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-28 01:04:04,974 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 01:04:04,979 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 01:04:04,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:04:04,981 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:04,983 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:04:04,984 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:04:04,984 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:04:04,984 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 01:04:04,985 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:04:04,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:04:04,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:04:04,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:04:04,986 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 01:04:04,988 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 01:04:04,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:04:04,991 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:04,993 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:04:04,994 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:04:04,994 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:04:04,994 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 01:04:04,994 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:04:04,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:04:04,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:04:04,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 01:04:04,995 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:04:05,001 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2020-10-28 01:04:05,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:04:05,004 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:05,006 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:04:05,006 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 01:04:05,007 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:04:05,007 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 01:04:05,007 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:04:05,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:04:05,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 01:04:05,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:04:05,008 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 01:04:05,080 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2020-10-28 01:04:05,080 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [216130273] [2020-10-28 01:04:05,082 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 01:04:05,082 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-28 01:04:05,082 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [567150938] [2020-10-28 01:04:05,083 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-28 01:04:05,084 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 01:04:05,084 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-28 01:04:05,085 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2020-10-28 01:04:05,085 INFO L87 Difference]: Start difference. First operand 890 states and 1169 transitions. Second operand 10 states. [2020-10-28 01:04:07,016 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 01:04:07,016 INFO L93 Difference]: Finished difference Result 1972 states and 2732 transitions. [2020-10-28 01:04:07,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-28 01:04:07,017 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 177 [2020-10-28 01:04:07,017 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 01:04:07,026 INFO L225 Difference]: With dead ends: 1972 [2020-10-28 01:04:07,026 INFO L226 Difference]: Without dead ends: 1101 [2020-10-28 01:04:07,031 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 69 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=108, Invalid=312, Unknown=0, NotChecked=0, Total=420 [2020-10-28 01:04:07,033 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1101 states. [2020-10-28 01:04:07,137 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1101 to 873. [2020-10-28 01:04:07,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 873 states. [2020-10-28 01:04:07,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 873 states to 873 states and 1123 transitions. [2020-10-28 01:04:07,144 INFO L78 Accepts]: Start accepts. Automaton has 873 states and 1123 transitions. Word has length 177 [2020-10-28 01:04:07,144 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 01:04:07,144 INFO L481 AbstractCegarLoop]: Abstraction has 873 states and 1123 transitions. [2020-10-28 01:04:07,145 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-28 01:04:07,145 INFO L276 IsEmpty]: Start isEmpty. Operand 873 states and 1123 transitions. [2020-10-28 01:04:07,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2020-10-28 01:04:07,149 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 01:04:07,149 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:04:07,150 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-28 01:04:07,150 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 01:04:07,150 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 01:04:07,150 INFO L82 PathProgramCache]: Analyzing trace with hash -1793116419, now seen corresponding path program 1 times [2020-10-28 01:04:07,151 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 01:04:07,151 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [948917143] [2020-10-28 01:04:07,151 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 01:04:07,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:04:07,176 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:07,207 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:07,235 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:07,261 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:07,291 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:07,333 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:08,886 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:08,970 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:12,175 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:04:12,175 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 238 [2020-10-28 01:04:12,175 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-28 01:04:12,175 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5006 [2020-10-28 01:04:12,175 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:04:12,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 01:04:12,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 97 [2020-10-28 01:04:12,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-28 01:04:12,176 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:04:12,257 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 01:04:12,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:04:12,260 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:12,265 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:04:12,265 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 01:04:12,265 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:04:12,266 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 01:04:12,266 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:04:12,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:04:12,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:04:12,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:04:12,266 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:04:12,278 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 01:04:12,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:04:12,279 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:12,280 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:04:12,281 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 01:04:12,281 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:04:12,281 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:04:12,281 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:04:12,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:04:12,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:04:12,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:04:12,282 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:04:12,283 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 01:04:12,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:04:12,284 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:12,284 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:04:12,284 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 01:04:12,285 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:04:12,285 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 01:04:12,285 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:04:12,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:04:12,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:04:12,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:04:12,285 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:04:12,294 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 01:04:12,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:04:12,296 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:12,298 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:04:12,298 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 01:04:12,298 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:04:12,298 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 01:04:12,298 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:04:12,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:04:12,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:04:12,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:04:12,299 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:04:12,311 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-28 01:04:12,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:04:12,313 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:12,315 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:04:12,315 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:04:12,315 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:04:12,316 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 01:04:12,316 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:04:12,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:04:12,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:04:12,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:04:12,316 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:04:12,318 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-28 01:04:12,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:04:12,320 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:12,322 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:04:12,323 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-28 01:04:12,323 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:04:12,323 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 01:04:12,323 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:04:12,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:04:12,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:04:12,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:04:12,324 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:04:12,326 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 01:04:12,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:04:12,327 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:12,328 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:04:12,328 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:04:12,329 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:04:12,329 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:04:12,329 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:04:12,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:04:12,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:04:12,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:04:12,330 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:04:12,331 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 01:04:12,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:04:12,332 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:12,333 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:04:12,334 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:04:12,334 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:04:12,334 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:04:12,334 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:04:12,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:04:12,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:04:12,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:04:12,335 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:04:12,337 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-28 01:04:12,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:04:12,339 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:12,340 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:04:12,341 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:04:12,341 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:04:12,341 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 01:04:12,341 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:04:12,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:04:12,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:04:12,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:04:12,342 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:04:12,344 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-28 01:04:12,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:04:12,345 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:12,346 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:04:12,347 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 01:04:12,347 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:04:12,347 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:04:12,347 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:04:12,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:04:12,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:04:12,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:04:12,348 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:04:12,367 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2020-10-28 01:04:12,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:04:12,373 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:12,384 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:04:12,385 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 01:04:12,385 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:04:12,385 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-28 01:04:12,385 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:04:12,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 01:04:12,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 01:04:12,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-28 01:04:12,386 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:04:12,405 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-10-28 01:04:12,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:04:12,407 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:12,410 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:04:12,410 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 01:04:12,410 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:04:12,411 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 01:04:12,411 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:04:12,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:04:12,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-28 01:04:12,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 01:04:12,411 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:04:12,448 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-28 01:04:12,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:04:12,455 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:12,467 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:04:12,468 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-28 01:04:12,468 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:04:12,468 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-28 01:04:12,468 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:04:12,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:04:12,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-10-28 01:04:12,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:04:12,469 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:04:12,473 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-28 01:04:12,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:04:12,476 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:12,479 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:04:12,479 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-28 01:04:12,479 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:04:12,479 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 01:04:12,480 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:04:12,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:04:12,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:04:12,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:04:12,480 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:04:12,487 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 01:04:12,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:04:12,490 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:12,493 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:04:12,494 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-28 01:04:12,494 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:04:12,494 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 01:04:12,494 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:04:12,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:04:12,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:04:12,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:04:12,495 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:04:12,498 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 01:04:12,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:04:12,499 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:12,500 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:04:12,501 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:04:12,501 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:04:12,501 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:04:12,501 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:04:12,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:04:12,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:04:12,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:04:12,502 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:04:12,505 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 01:04:12,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:04:12,508 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:12,509 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:04:12,509 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:04:12,510 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:04:12,510 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:04:12,510 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:04:12,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:04:12,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:04:12,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:04:12,511 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:04:12,514 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-10-28 01:04:12,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:04:12,529 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:12,534 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:04:12,534 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 47 [2020-10-28 01:04:12,534 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:04:12,534 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 01:04:12,535 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:04:12,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:04:12,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 44 [2020-10-28 01:04:12,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:04:12,535 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:04:12,540 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 01:04:12,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:04:12,556 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:12,562 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:04:12,563 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-10-28 01:04:12,563 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:04:12,563 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 01:04:12,563 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:04:12,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:04:12,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:04:12,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:04:12,564 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:04:12,567 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 01:04:12,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:04:12,570 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:12,573 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:04:12,573 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-28 01:04:12,573 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:04:12,573 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 01:04:12,573 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:04:12,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:04:12,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:04:12,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:04:12,574 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:04:12,577 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 01:04:12,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:04:12,578 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:12,580 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:04:12,580 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:04:12,580 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:04:12,581 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:04:12,581 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:04:12,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:04:12,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:04:12,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:04:12,582 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:04:12,583 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 01:04:12,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:04:12,585 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:12,591 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:04:12,592 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-28 01:04:12,592 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:04:12,592 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 01:04:12,592 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:04:12,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:04:12,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:04:12,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:04:12,593 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:04:12,596 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2020-10-28 01:04:12,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:04:12,599 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:12,600 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:04:12,600 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 01:04:12,600 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:04:12,600 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:04:12,601 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:04:12,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:04:12,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 01:04:12,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:04:12,601 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:04:12,647 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 20 proven. 7 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2020-10-28 01:04:12,648 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [948917143] [2020-10-28 01:04:12,648 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 01:04:12,648 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-10-28 01:04:12,648 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [983100617] [2020-10-28 01:04:12,649 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-28 01:04:12,649 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 01:04:12,650 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-28 01:04:12,651 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2020-10-28 01:04:12,651 INFO L87 Difference]: Start difference. First operand 873 states and 1123 transitions. Second operand 11 states. [2020-10-28 01:04:15,677 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 01:04:15,677 INFO L93 Difference]: Finished difference Result 2050 states and 2808 transitions. [2020-10-28 01:04:15,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-10-28 01:04:15,678 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 178 [2020-10-28 01:04:15,678 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 01:04:15,687 INFO L225 Difference]: With dead ends: 2050 [2020-10-28 01:04:15,688 INFO L226 Difference]: Without dead ends: 1198 [2020-10-28 01:04:15,693 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 53 SyntacticMatches, 1 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 158 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=183, Invalid=573, Unknown=0, NotChecked=0, Total=756 [2020-10-28 01:04:15,695 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1198 states. [2020-10-28 01:04:15,806 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1198 to 906. [2020-10-28 01:04:15,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 906 states. [2020-10-28 01:04:15,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 906 states to 906 states and 1157 transitions. [2020-10-28 01:04:15,812 INFO L78 Accepts]: Start accepts. Automaton has 906 states and 1157 transitions. Word has length 178 [2020-10-28 01:04:15,812 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 01:04:15,813 INFO L481 AbstractCegarLoop]: Abstraction has 906 states and 1157 transitions. [2020-10-28 01:04:15,813 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-28 01:04:15,813 INFO L276 IsEmpty]: Start isEmpty. Operand 906 states and 1157 transitions. [2020-10-28 01:04:15,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2020-10-28 01:04:15,817 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 01:04:15,817 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 01:04:15,817 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-28 01:04:15,818 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 01:04:15,818 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 01:04:15,818 INFO L82 PathProgramCache]: Analyzing trace with hash 368262717, now seen corresponding path program 1 times [2020-10-28 01:04:15,818 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 01:04:15,819 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1497598189] [2020-10-28 01:04:15,819 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 01:04:15,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:04:15,847 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:15,882 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:15,905 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:15,927 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:16,296 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:16,483 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:17,819 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:20,840 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:04:20,840 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 239 [2020-10-28 01:04:20,841 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-28 01:04:20,841 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4999 [2020-10-28 01:04:20,841 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:04:20,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:04:20,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 149 [2020-10-28 01:04:20,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-28 01:04:20,841 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:04:20,910 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 01:04:20,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:04:20,916 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:20,919 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:04:20,920 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 01:04:20,920 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:04:20,920 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 01:04:20,920 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:04:20,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:04:20,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:04:20,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:04:20,921 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:04:20,929 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 01:04:20,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:04:20,931 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:20,932 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:04:20,933 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 01:04:20,933 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:04:20,933 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:04:20,933 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:04:20,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:04:20,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:04:20,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:04:20,933 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:04:20,934 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 01:04:20,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:04:20,935 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:20,936 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:04:20,936 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 01:04:20,936 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:04:20,936 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 01:04:20,936 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:04:20,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:04:20,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:04:20,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:04:20,936 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:04:20,958 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 01:04:20,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:04:20,959 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:20,960 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:04:20,960 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 01:04:20,960 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:04:20,961 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:04:20,961 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:04:20,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:04:20,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:04:20,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:04:20,961 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:04:20,973 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-28 01:04:20,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:04:20,976 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:20,978 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:04:20,978 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:04:20,978 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:04:20,978 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 01:04:20,979 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:04:20,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:04:20,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:04:20,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:04:20,979 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:04:20,980 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-28 01:04:20,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:04:20,982 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:20,985 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:04:20,985 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-28 01:04:20,985 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:04:20,985 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 01:04:20,985 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:04:20,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:04:20,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:04:20,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:04:20,986 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:04:20,987 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 01:04:20,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:04:20,989 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:20,990 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:04:20,990 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:04:20,990 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:04:20,990 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:04:20,991 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:04:20,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:04:20,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:04:20,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:04:20,991 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:04:20,992 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 01:04:20,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:04:20,993 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:20,994 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:04:20,994 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:04:20,994 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:04:20,995 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:04:20,995 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:04:20,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:04:20,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:04:20,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:04:20,995 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:04:20,997 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-28 01:04:20,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:04:20,998 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:21,000 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:04:21,000 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:04:21,000 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:04:21,000 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:04:21,000 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:04:21,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:04:21,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:04:21,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:04:21,001 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:04:21,002 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-28 01:04:21,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:04:21,003 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:21,004 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:04:21,004 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 01:04:21,005 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:04:21,005 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:04:21,005 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:04:21,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:04:21,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:04:21,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:04:21,005 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:04:21,025 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-10-28 01:04:21,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:04:21,028 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:21,032 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:04:21,032 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-28 01:04:21,033 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:04:21,033 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 01:04:21,033 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:04:21,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:04:21,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:04:21,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:04:21,033 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:04:21,036 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-28 01:04:21,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:04:21,038 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:21,041 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:04:21,041 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-28 01:04:21,042 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:04:21,042 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 01:04:21,042 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:04:21,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:04:21,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:04:21,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:04:21,042 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:04:21,044 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 01:04:21,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:04:21,046 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:21,049 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:04:21,049 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-28 01:04:21,049 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:04:21,049 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 01:04:21,049 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:04:21,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:04:21,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:04:21,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:04:21,050 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:04:21,052 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 01:04:21,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:04:21,053 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:21,054 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:04:21,054 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:04:21,054 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:04:21,054 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:04:21,055 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:04:21,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:04:21,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:04:21,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:04:21,055 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:04:21,056 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 01:04:21,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:04:21,057 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:21,058 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:04:21,059 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:04:21,059 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:04:21,059 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:04:21,059 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:04:21,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:04:21,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:04:21,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:04:21,060 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:04:21,080 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2020-10-28 01:04:21,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:04:21,082 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:21,085 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:04:21,086 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 01:04:21,086 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:04:21,087 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 01:04:21,087 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:04:21,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:04:21,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:04:21,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 01:04:21,087 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:04:21,090 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2020-10-28 01:04:21,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:04:21,092 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:21,094 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:04:21,094 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:04:21,095 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:04:21,095 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 01:04:21,095 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:04:21,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:04:21,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-28 01:04:21,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 01:04:21,096 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 01:04:21,109 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-10-28 01:04:21,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:04:21,115 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:21,120 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:04:21,120 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 47 [2020-10-28 01:04:21,120 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:04:21,120 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 01:04:21,120 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:04:21,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:04:21,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 44 [2020-10-28 01:04:21,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:04:21,121 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:04:21,124 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 01:04:21,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:04:21,127 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:21,130 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:04:21,131 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-10-28 01:04:21,131 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:04:21,131 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 01:04:21,131 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:04:21,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:04:21,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:04:21,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:04:21,132 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:04:21,136 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 01:04:21,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:04:21,138 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:21,145 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:04:21,145 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-28 01:04:21,145 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:04:21,145 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 01:04:21,145 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:04:21,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:04:21,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:04:21,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:04:21,146 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:04:21,148 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 01:04:21,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:04:21,149 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:21,150 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:04:21,150 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:04:21,150 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:04:21,150 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:04:21,150 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:04:21,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:04:21,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:04:21,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:04:21,151 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:04:21,152 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 01:04:21,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:04:21,153 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:21,154 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:04:21,154 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-28 01:04:21,154 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:04:21,154 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:04:21,154 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:04:21,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:04:21,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:04:21,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:04:21,155 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:04:21,158 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2020-10-28 01:04:21,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:04:21,160 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:21,161 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:04:21,161 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 01:04:21,161 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:04:21,161 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:04:21,162 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:04:21,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:04:21,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 01:04:21,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:04:21,162 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:04:21,198 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 22 proven. 5 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2020-10-28 01:04:21,199 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1497598189] [2020-10-28 01:04:21,199 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 01:04:21,199 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-10-28 01:04:21,200 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [996105035] [2020-10-28 01:04:21,200 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-28 01:04:21,201 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 01:04:21,201 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-28 01:04:21,201 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2020-10-28 01:04:21,201 INFO L87 Difference]: Start difference. First operand 906 states and 1157 transitions. Second operand 10 states. [2020-10-28 01:04:23,851 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 01:04:23,852 INFO L93 Difference]: Finished difference Result 3000 states and 3913 transitions. [2020-10-28 01:04:23,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-10-28 01:04:23,852 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 179 [2020-10-28 01:04:23,853 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 01:04:23,868 INFO L225 Difference]: With dead ends: 3000 [2020-10-28 01:04:23,869 INFO L226 Difference]: Without dead ends: 2115 [2020-10-28 01:04:23,875 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 124 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=150, Invalid=450, Unknown=0, NotChecked=0, Total=600 [2020-10-28 01:04:23,878 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2115 states. [2020-10-28 01:04:24,054 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2115 to 1711. [2020-10-28 01:04:24,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1711 states. [2020-10-28 01:04:24,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1711 states to 1711 states and 2113 transitions. [2020-10-28 01:04:24,063 INFO L78 Accepts]: Start accepts. Automaton has 1711 states and 2113 transitions. Word has length 179 [2020-10-28 01:04:24,066 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 01:04:24,066 INFO L481 AbstractCegarLoop]: Abstraction has 1711 states and 2113 transitions. [2020-10-28 01:04:24,067 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-28 01:04:24,067 INFO L276 IsEmpty]: Start isEmpty. Operand 1711 states and 2113 transitions. [2020-10-28 01:04:24,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2020-10-28 01:04:24,072 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 01:04:24,072 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 01:04:24,073 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-28 01:04:24,073 INFO L429 AbstractCegarLoop]: === Iteration 9 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 01:04:24,073 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 01:04:24,073 INFO L82 PathProgramCache]: Analyzing trace with hash 8533778, now seen corresponding path program 1 times [2020-10-28 01:04:24,074 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 01:04:24,074 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1487847769] [2020-10-28 01:04:24,074 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 01:04:24,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:04:24,093 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:24,128 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:24,236 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:24,267 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:24,576 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:27,090 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:04:27,090 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 239 [2020-10-28 01:04:27,090 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-28 01:04:27,090 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3002 [2020-10-28 01:04:27,090 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:04:27,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-28 01:04:27,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 128 [2020-10-28 01:04:27,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 104 [2020-10-28 01:04:27,091 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:04:27,218 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 01:04:27,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:04:27,221 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:27,225 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:04:27,226 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 01:04:27,226 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:04:27,226 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 01:04:27,226 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:04:27,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:04:27,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:04:27,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:04:27,227 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:04:27,237 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 01:04:27,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:04:27,239 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:27,240 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:04:27,240 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 01:04:27,240 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:04:27,240 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:04:27,240 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:04:27,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:04:27,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:04:27,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:04:27,241 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:04:27,242 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 01:04:27,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:04:27,243 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:27,243 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:04:27,243 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 01:04:27,244 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:04:27,244 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 01:04:27,244 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:04:27,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:04:27,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:04:27,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:04:27,244 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:04:27,253 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 01:04:27,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:04:27,255 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:27,256 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:04:27,256 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 01:04:27,257 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:04:27,257 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:04:27,257 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:04:27,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:04:27,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:04:27,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:04:27,257 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:04:27,271 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-28 01:04:27,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:04:27,273 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:27,274 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:04:27,275 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:04:27,275 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:04:27,275 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:04:27,275 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:04:27,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:04:27,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:04:27,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:04:27,275 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:04:27,277 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-28 01:04:27,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:04:27,279 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:27,282 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:04:27,282 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-28 01:04:27,282 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:04:27,282 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 01:04:27,283 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:04:27,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:04:27,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:04:27,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:04:27,283 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:04:27,286 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 01:04:27,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:04:27,287 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:27,288 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:04:27,288 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:04:27,289 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:04:27,289 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:04:27,289 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:04:27,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:04:27,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:04:27,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:04:27,290 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:04:27,291 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 01:04:27,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:04:27,292 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:27,293 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:04:27,294 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:04:27,294 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:04:27,294 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:04:27,294 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:04:27,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:04:27,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:04:27,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:04:27,295 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:04:27,296 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-28 01:04:27,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:04:27,298 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:27,301 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:04:27,301 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:04:27,301 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:04:27,301 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 01:04:27,301 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:04:27,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:04:27,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:04:27,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:04:27,302 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:04:27,303 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-28 01:04:27,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:04:27,305 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:27,306 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:04:27,306 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 01:04:27,306 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:04:27,306 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:04:27,307 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:04:27,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:04:27,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:04:27,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:04:27,307 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:04:27,331 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-28 01:04:27,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:04:27,333 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:27,335 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:04:27,335 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 01:04:27,335 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:04:27,335 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 01:04:27,335 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:04:27,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:04:27,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:04:27,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:04:27,336 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:04:27,337 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-10-28 01:04:27,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:04:27,339 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:27,340 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:04:27,340 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 01:04:27,340 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:04:27,340 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:04:27,341 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:04:27,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:04:27,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:04:27,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:04:27,341 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:04:27,362 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-10-28 01:04:27,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:04:27,368 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:27,379 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:04:27,380 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-28 01:04:27,380 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:04:27,380 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-28 01:04:27,380 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:04:27,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:04:27,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:04:27,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 01:04:27,381 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:04:27,391 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-28 01:04:27,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:04:27,396 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:27,405 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:04:27,405 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-28 01:04:27,405 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:04:27,405 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-28 01:04:27,406 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:04:27,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:04:27,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:04:27,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 32 [2020-10-28 01:04:27,406 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:04:27,410 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 01:04:27,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:04:27,413 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:27,417 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:04:27,418 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-28 01:04:27,418 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:04:27,418 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 01:04:27,418 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:04:27,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:04:27,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:04:27,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:04:27,419 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:04:27,421 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 01:04:27,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:04:27,423 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:27,424 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:04:27,424 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:04:27,424 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:04:27,424 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:04:27,425 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:04:27,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:04:27,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:04:27,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:04:27,425 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:04:27,428 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 01:04:27,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:04:27,430 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:27,431 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:04:27,432 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:04:27,432 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:04:27,432 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:04:27,432 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:04:27,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:04:27,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:04:27,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:04:27,433 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:04:27,437 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-10-28 01:04:27,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:04:27,445 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:27,479 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:04:27,479 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 47 [2020-10-28 01:04:27,479 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:04:27,480 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-10-28 01:04:27,480 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:04:27,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 01:04:27,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 01:04:27,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 47 [2020-10-28 01:04:27,480 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:04:27,518 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 01:04:27,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:04:27,525 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:27,534 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:04:27,534 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-10-28 01:04:27,534 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:04:27,535 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-28 01:04:27,535 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:04:27,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:04:27,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:04:27,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 33 [2020-10-28 01:04:27,535 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:04:27,538 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 01:04:27,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:04:27,540 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:27,544 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:04:27,544 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-28 01:04:27,544 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:04:27,544 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 01:04:27,544 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:04:27,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:04:27,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:04:27,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:04:27,545 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:04:27,548 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 01:04:27,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:04:27,549 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:27,551 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:04:27,551 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:04:27,551 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:04:27,551 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:04:27,552 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:04:27,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:04:27,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:04:27,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:04:27,552 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:04:27,554 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 01:04:27,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:04:27,556 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:27,557 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:04:27,557 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-28 01:04:27,557 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:04:27,557 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:04:27,558 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:04:27,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:04:27,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:04:27,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:04:27,558 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:04:27,562 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2020-10-28 01:04:27,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:04:27,565 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:27,571 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:04:27,571 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 01:04:27,571 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:04:27,572 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 01:04:27,572 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:04:27,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:04:27,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:04:27,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 01:04:27,572 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:04:27,616 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 21 proven. 1 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2020-10-28 01:04:27,617 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1487847769] [2020-10-28 01:04:27,617 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 01:04:27,617 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-10-28 01:04:27,624 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [439091258] [2020-10-28 01:04:27,624 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-28 01:04:27,625 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 01:04:27,625 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-28 01:04:27,627 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2020-10-28 01:04:27,627 INFO L87 Difference]: Start difference. First operand 1711 states and 2113 transitions. Second operand 12 states. [2020-10-28 01:04:30,636 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 01:04:30,636 INFO L93 Difference]: Finished difference Result 4089 states and 5180 transitions. [2020-10-28 01:04:30,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-10-28 01:04:30,637 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 179 [2020-10-28 01:04:30,638 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 01:04:30,655 INFO L225 Difference]: With dead ends: 4089 [2020-10-28 01:04:30,655 INFO L226 Difference]: Without dead ends: 2404 [2020-10-28 01:04:30,663 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 53 SyntacticMatches, 2 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 125 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=159, Invalid=543, Unknown=0, NotChecked=0, Total=702 [2020-10-28 01:04:30,666 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2404 states. [2020-10-28 01:04:30,915 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2404 to 1877. [2020-10-28 01:04:30,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1877 states. [2020-10-28 01:04:30,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1877 states to 1877 states and 2313 transitions. [2020-10-28 01:04:30,933 INFO L78 Accepts]: Start accepts. Automaton has 1877 states and 2313 transitions. Word has length 179 [2020-10-28 01:04:30,933 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 01:04:30,933 INFO L481 AbstractCegarLoop]: Abstraction has 1877 states and 2313 transitions. [2020-10-28 01:04:30,933 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-28 01:04:30,933 INFO L276 IsEmpty]: Start isEmpty. Operand 1877 states and 2313 transitions. [2020-10-28 01:04:30,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2020-10-28 01:04:30,939 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 01:04:30,939 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 01:04:30,940 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-28 01:04:30,940 INFO L429 AbstractCegarLoop]: === Iteration 10 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 01:04:30,940 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 01:04:30,940 INFO L82 PathProgramCache]: Analyzing trace with hash -952268950, now seen corresponding path program 1 times [2020-10-28 01:04:30,941 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 01:04:30,941 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [846989232] [2020-10-28 01:04:30,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 01:04:30,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:04:30,963 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:30,994 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:31,131 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:31,172 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:31,516 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:31,556 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:32,601 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:04:32,602 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 243 [2020-10-28 01:04:32,602 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-28 01:04:32,602 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1644 [2020-10-28 01:04:32,602 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:04:32,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:04:32,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 232 [2020-10-28 01:04:32,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 01:04:32,602 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:04:32,672 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 01:04:32,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:04:32,676 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:32,679 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:04:32,679 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 01:04:32,679 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:04:32,680 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 01:04:32,680 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:04:32,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:04:32,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:04:32,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:04:32,680 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:04:32,688 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 01:04:32,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:04:32,690 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:32,691 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:04:32,691 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 01:04:32,691 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:04:32,692 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:04:32,692 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:04:32,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:04:32,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:04:32,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:04:32,692 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:04:32,693 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 01:04:32,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:04:32,694 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:32,695 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:04:32,695 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 01:04:32,695 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:04:32,695 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 01:04:32,695 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:04:32,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:04:32,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:04:32,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:04:32,696 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:04:32,711 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 01:04:32,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:04:32,713 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:32,714 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:04:32,714 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 01:04:32,714 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:04:32,714 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:04:32,714 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:04:32,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:04:32,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:04:32,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:04:32,715 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:04:32,727 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-28 01:04:32,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:04:32,730 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:32,731 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:04:32,731 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:04:32,731 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:04:32,732 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:04:32,732 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:04:32,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:04:32,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:04:32,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:04:32,732 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:04:32,734 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-28 01:04:32,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:04:32,736 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:32,738 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:04:32,738 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-28 01:04:32,739 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:04:32,739 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 01:04:32,739 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:04:32,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:04:32,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:04:32,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:04:32,739 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:04:32,741 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 01:04:32,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:04:32,743 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:32,743 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:04:32,744 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:04:32,744 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:04:32,744 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:04:32,744 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:04:32,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:04:32,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:04:32,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:04:32,745 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:04:32,746 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 01:04:32,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:04:32,747 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:32,748 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:04:32,748 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:04:32,748 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:04:32,748 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:04:32,749 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:04:32,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:04:32,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:04:32,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:04:32,749 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:04:32,751 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-28 01:04:32,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:04:32,752 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:32,754 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:04:32,754 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:04:32,754 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:04:32,754 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:04:32,754 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:04:32,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:04:32,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:04:32,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:04:32,755 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:04:32,756 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-28 01:04:32,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:04:32,757 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:32,758 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:04:32,758 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 01:04:32,758 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:04:32,758 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:04:32,759 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:04:32,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:04:32,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:04:32,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:04:32,759 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:04:32,777 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-28 01:04:32,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:04:32,779 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:32,781 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:04:32,781 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 01:04:32,781 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:04:32,781 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 01:04:32,782 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:04:32,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:04:32,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:04:32,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:04:32,782 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:04:32,783 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-10-28 01:04:32,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:04:32,784 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:32,785 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:04:32,785 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 01:04:32,785 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:04:32,785 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:04:32,786 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:04:32,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:04:32,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:04:32,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:04:32,786 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:04:32,815 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-10-28 01:04:32,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:04:32,818 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:32,823 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:04:32,823 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-28 01:04:32,823 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:04:32,823 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 01:04:32,824 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:04:32,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:04:32,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:04:32,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:04:32,824 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:04:32,828 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-28 01:04:32,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:04:32,830 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:32,834 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:04:32,834 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-28 01:04:32,834 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:04:32,834 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 01:04:32,834 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:04:32,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:04:32,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:04:32,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:04:32,835 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:04:32,837 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 01:04:32,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:04:32,839 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:32,843 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:04:32,843 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-28 01:04:32,843 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:04:32,843 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 01:04:32,843 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:04:32,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:04:32,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:04:32,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:04:32,844 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:04:32,846 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 01:04:32,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:04:32,848 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:32,849 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:04:32,849 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:04:32,849 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:04:32,849 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:04:32,849 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:04:32,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:04:32,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:04:32,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:04:32,850 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:04:32,851 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 01:04:32,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:04:32,852 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:32,854 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:04:32,854 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:04:32,854 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:04:32,854 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:04:32,854 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:04:32,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:04:32,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:04:32,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:04:32,855 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:04:32,858 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-10-28 01:04:32,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:04:32,860 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:32,865 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:04:32,866 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 47 [2020-10-28 01:04:32,866 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:04:32,866 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 01:04:32,866 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:04:32,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:04:32,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:04:32,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:04:32,867 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:04:32,870 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 01:04:32,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:04:32,873 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:32,881 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:04:32,882 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-10-28 01:04:32,882 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:04:32,882 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-28 01:04:32,882 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:04:32,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:04:32,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:04:32,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:04:32,883 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:04:32,885 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 01:04:32,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:04:32,887 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:32,890 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:04:32,891 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-28 01:04:32,891 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:04:32,891 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 01:04:32,891 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:04:32,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:04:32,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:04:32,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:04:32,892 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:04:32,894 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 01:04:32,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:04:32,895 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:32,897 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:04:32,897 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:04:32,897 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:04:32,897 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:04:32,897 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:04:32,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:04:32,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:04:32,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:04:32,898 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:04:32,899 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 01:04:32,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:04:32,900 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:32,901 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:04:32,902 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-28 01:04:32,902 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:04:32,902 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:04:32,902 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:04:32,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:04:32,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:04:32,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:04:32,903 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:04:32,905 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2020-10-28 01:04:32,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:04:32,907 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:32,908 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:04:32,908 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 01:04:32,908 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:04:32,908 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:04:32,908 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:04:32,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:04:32,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:04:32,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:04:32,909 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:04:32,935 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2020-10-28 01:04:32,935 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [846989232] [2020-10-28 01:04:32,935 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 01:04:32,935 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-10-28 01:04:32,936 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [943522834] [2020-10-28 01:04:32,936 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-28 01:04:32,936 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 01:04:32,937 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-28 01:04:32,937 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2020-10-28 01:04:32,937 INFO L87 Difference]: Start difference. First operand 1877 states and 2313 transitions. Second operand 9 states. [2020-10-28 01:04:34,315 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 01:04:34,316 INFO L93 Difference]: Finished difference Result 3517 states and 4454 transitions. [2020-10-28 01:04:34,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-28 01:04:34,316 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 183 [2020-10-28 01:04:34,317 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 01:04:34,332 INFO L225 Difference]: With dead ends: 3517 [2020-10-28 01:04:34,333 INFO L226 Difference]: Without dead ends: 2348 [2020-10-28 01:04:34,338 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=82, Invalid=190, Unknown=0, NotChecked=0, Total=272 [2020-10-28 01:04:34,342 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2348 states. [2020-10-28 01:04:34,548 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2348 to 1887. [2020-10-28 01:04:34,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1887 states. [2020-10-28 01:04:34,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1887 states to 1887 states and 2327 transitions. [2020-10-28 01:04:34,556 INFO L78 Accepts]: Start accepts. Automaton has 1887 states and 2327 transitions. Word has length 183 [2020-10-28 01:04:34,556 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 01:04:34,556 INFO L481 AbstractCegarLoop]: Abstraction has 1887 states and 2327 transitions. [2020-10-28 01:04:34,557 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-28 01:04:34,557 INFO L276 IsEmpty]: Start isEmpty. Operand 1887 states and 2327 transitions. [2020-10-28 01:04:34,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2020-10-28 01:04:34,562 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 01:04:34,562 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 01:04:34,562 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-28 01:04:34,562 INFO L429 AbstractCegarLoop]: === Iteration 11 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 01:04:34,563 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 01:04:34,563 INFO L82 PathProgramCache]: Analyzing trace with hash -3549167, now seen corresponding path program 1 times [2020-10-28 01:04:34,563 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 01:04:34,563 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1963997599] [2020-10-28 01:04:34,563 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 01:04:34,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:04:34,583 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:34,608 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:34,732 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:34,745 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:35,393 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:04:35,393 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 244 [2020-10-28 01:04:35,393 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 01:04:35,393 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 816 [2020-10-28 01:04:35,394 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:04:35,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 01:04:35,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 38 [2020-10-28 01:04:35,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 38 [2020-10-28 01:04:35,394 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:04:35,451 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 01:04:35,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:04:35,456 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:35,461 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:04:35,461 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 01:04:35,461 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:04:35,462 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 01:04:35,462 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:04:35,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:04:35,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:04:35,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:04:35,462 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:04:35,481 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 01:04:35,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:04:35,482 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:35,483 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:04:35,483 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 01:04:35,483 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:04:35,484 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 01:04:35,484 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:04:35,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:04:35,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:04:35,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:04:35,484 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:04:35,485 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 01:04:35,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:04:35,486 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:35,486 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:04:35,487 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 01:04:35,487 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:04:35,487 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 01:04:35,487 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:04:35,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:04:35,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:04:35,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:04:35,488 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:04:35,495 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 01:04:35,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:04:35,497 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:35,498 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:04:35,498 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 01:04:35,499 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:04:35,499 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:04:35,499 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:04:35,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:04:35,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:04:35,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:04:35,499 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:04:35,515 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-28 01:04:35,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:04:35,518 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:35,521 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:04:35,521 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:04:35,521 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:04:35,521 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 01:04:35,521 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:04:35,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:04:35,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:04:35,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-28 01:04:35,522 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:04:35,524 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-28 01:04:35,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:04:35,527 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:35,532 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:04:35,532 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-28 01:04:35,532 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:04:35,533 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 01:04:35,533 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:04:35,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:04:35,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:04:35,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27 [2020-10-28 01:04:35,533 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:04:35,535 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 01:04:35,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:04:35,539 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:35,540 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:04:35,540 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:04:35,540 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:04:35,541 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:04:35,541 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:04:35,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:04:35,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:04:35,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:04:35,541 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:04:35,542 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 01:04:35,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:04:35,543 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:35,544 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:04:35,544 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:04:35,544 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:04:35,545 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:04:35,545 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:04:35,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:04:35,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:04:35,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:04:35,545 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:04:35,546 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-28 01:04:35,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:04:35,551 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:35,556 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:04:35,557 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:04:35,557 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:04:35,557 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 01:04:35,557 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:04:35,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 01:04:35,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 01:04:35,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-28 01:04:35,558 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:04:35,581 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-28 01:04:35,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:04:35,582 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:35,585 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:04:35,585 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 01:04:35,586 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:04:35,586 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 01:04:35,586 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:04:35,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:04:35,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 01:04:35,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:04:35,586 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:04:35,604 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-28 01:04:35,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:04:35,606 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:35,607 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:04:35,607 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 01:04:35,607 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:04:35,608 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:04:35,608 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:04:35,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:04:35,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 01:04:35,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:04:35,608 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:04:35,609 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-10-28 01:04:35,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:04:35,610 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:35,612 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:04:35,612 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 01:04:35,612 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:04:35,612 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:04:35,612 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:04:35,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:04:35,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 01:04:35,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:04:35,613 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:04:35,639 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-10-28 01:04:35,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:04:35,645 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:35,651 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:04:35,652 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-28 01:04:35,652 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:04:35,652 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 01:04:35,652 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:04:35,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:04:35,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-10-28 01:04:35,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:04:35,653 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:04:35,655 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-28 01:04:35,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:04:35,658 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:35,661 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:04:35,661 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-28 01:04:35,661 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:04:35,662 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 01:04:35,662 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:04:35,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:04:35,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:04:35,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:04:35,662 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:04:35,664 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 01:04:35,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:04:35,666 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:35,669 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:04:35,670 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-28 01:04:35,670 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:04:35,670 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 01:04:35,670 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:04:35,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:04:35,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:04:35,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:04:35,671 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:04:35,673 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 01:04:35,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:04:35,674 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:35,675 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:04:35,675 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:04:35,675 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:04:35,675 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:04:35,676 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:04:35,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:04:35,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:04:35,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:04:35,676 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:04:35,677 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 01:04:35,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:04:35,678 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:35,679 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:04:35,680 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:04:35,680 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:04:35,680 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:04:35,680 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:04:35,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:04:35,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:04:35,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:04:35,681 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:04:35,683 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-10-28 01:04:35,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:04:35,688 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:35,693 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:04:35,693 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 47 [2020-10-28 01:04:35,694 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:04:35,694 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 01:04:35,694 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:04:35,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:04:35,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 44 [2020-10-28 01:04:35,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:04:35,694 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:04:35,697 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 01:04:35,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:04:35,699 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:35,704 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:04:35,704 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-10-28 01:04:35,704 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:04:35,704 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 01:04:35,704 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:04:35,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:04:35,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:04:35,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:04:35,705 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:04:35,707 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 01:04:35,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:04:35,708 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:35,711 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:04:35,711 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-28 01:04:35,711 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:04:35,711 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 01:04:35,711 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:04:35,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:04:35,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:04:35,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:04:35,712 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:04:35,713 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 01:04:35,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:04:35,714 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:35,715 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:04:35,715 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:04:35,715 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:04:35,715 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:04:35,715 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:04:35,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:04:35,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:04:35,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:04:35,716 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:04:35,717 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 01:04:35,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:04:35,718 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:35,719 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:04:35,719 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-28 01:04:35,719 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:04:35,720 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:04:35,720 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:04:35,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:04:35,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:04:35,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:04:35,720 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:04:35,726 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2020-10-28 01:04:35,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:04:35,728 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:35,729 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:04:35,729 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 01:04:35,729 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:04:35,729 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:04:35,729 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:04:35,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:04:35,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 01:04:35,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:04:35,730 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:04:35,759 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2020-10-28 01:04:35,760 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1963997599] [2020-10-28 01:04:35,760 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 01:04:35,760 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-28 01:04:35,760 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1579838191] [2020-10-28 01:04:35,760 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-28 01:04:35,761 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 01:04:35,761 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-28 01:04:35,761 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2020-10-28 01:04:35,761 INFO L87 Difference]: Start difference. First operand 1887 states and 2327 transitions. Second operand 11 states. [2020-10-28 01:04:38,711 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 01:04:38,711 INFO L93 Difference]: Finished difference Result 7277 states and 9666 transitions. [2020-10-28 01:04:38,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2020-10-28 01:04:38,712 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 184 [2020-10-28 01:04:38,712 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 01:04:38,747 INFO L225 Difference]: With dead ends: 7277 [2020-10-28 01:04:38,747 INFO L226 Difference]: Without dead ends: 5416 [2020-10-28 01:04:38,757 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 241 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=260, Invalid=796, Unknown=0, NotChecked=0, Total=1056 [2020-10-28 01:04:38,764 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5416 states. [2020-10-28 01:04:39,316 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5416 to 4275. [2020-10-28 01:04:39,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4275 states. [2020-10-28 01:04:39,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4275 states to 4275 states and 5256 transitions. [2020-10-28 01:04:39,332 INFO L78 Accepts]: Start accepts. Automaton has 4275 states and 5256 transitions. Word has length 184 [2020-10-28 01:04:39,333 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 01:04:39,333 INFO L481 AbstractCegarLoop]: Abstraction has 4275 states and 5256 transitions. [2020-10-28 01:04:39,333 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-28 01:04:39,333 INFO L276 IsEmpty]: Start isEmpty. Operand 4275 states and 5256 transitions. [2020-10-28 01:04:39,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2020-10-28 01:04:39,344 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 01:04:39,344 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 01:04:39,344 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-28 01:04:39,344 INFO L429 AbstractCegarLoop]: === Iteration 12 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 01:04:39,345 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 01:04:39,345 INFO L82 PathProgramCache]: Analyzing trace with hash -367015665, now seen corresponding path program 1 times [2020-10-28 01:04:39,345 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 01:04:39,345 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1389987080] [2020-10-28 01:04:39,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 01:04:39,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:04:39,364 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:39,460 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:39,473 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:39,616 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:04:39,617 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 244 [2020-10-28 01:04:39,617 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 01:04:39,617 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 257 [2020-10-28 01:04:39,617 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:04:39,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-28 01:04:39,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 01:04:39,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 33 [2020-10-28 01:04:39,617 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:04:39,674 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 01:04:39,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:04:39,679 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:39,685 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:04:39,685 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 01:04:39,685 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:04:39,685 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 01:04:39,685 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:04:39,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:04:39,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:04:39,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 01:04:39,686 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:04:39,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 01:04:39,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:04:39,697 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:39,699 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:04:39,699 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 01:04:39,700 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:04:39,700 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 01:04:39,700 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:04:39,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:04:39,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:04:39,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 01:04:39,700 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:04:39,701 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 01:04:39,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:04:39,702 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:39,703 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:04:39,703 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 01:04:39,704 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:04:39,704 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:04:39,704 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:04:39,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:04:39,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:04:39,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 01:04:39,704 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:04:39,714 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 01:04:39,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:04:39,717 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:39,718 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:04:39,719 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 01:04:39,719 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:04:39,719 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 01:04:39,719 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:04:39,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:04:39,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:04:39,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 01:04:39,720 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:04:39,731 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-28 01:04:39,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:04:39,734 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:39,739 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:04:39,739 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:04:39,739 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:04:39,739 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 01:04:39,739 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:04:39,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 01:04:39,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 01:04:39,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-28 01:04:39,739 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:04:39,746 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-28 01:04:39,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:04:39,749 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:39,751 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:04:39,751 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-28 01:04:39,752 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:04:39,752 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 01:04:39,752 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:04:39,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:04:39,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 27 [2020-10-28 01:04:39,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:04:39,752 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:04:39,753 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 01:04:39,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:04:39,754 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:39,755 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:04:39,755 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:04:39,755 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:04:39,755 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 01:04:39,755 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:04:39,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:04:39,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:04:39,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:04:39,756 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:04:39,756 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 01:04:39,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:04:39,757 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:39,758 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:04:39,758 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:04:39,758 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:04:39,758 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 01:04:39,758 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:04:39,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:04:39,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:04:39,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:04:39,759 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:04:39,760 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-28 01:04:39,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:04:39,762 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:39,763 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:04:39,763 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:04:39,763 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:04:39,763 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:04:39,763 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:04:39,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:04:39,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-28 01:04:39,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:04:39,764 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:04:39,765 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-28 01:04:39,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:04:39,766 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:39,767 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:04:39,767 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 01:04:39,767 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:04:39,767 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:04:39,767 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:04:39,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:04:39,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 01:04:39,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:04:39,768 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:04:39,783 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-28 01:04:39,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:04:39,785 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:39,786 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:04:39,786 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 01:04:39,786 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:04:39,786 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:04:39,787 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:04:39,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:04:39,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 01:04:39,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:04:39,787 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:04:39,788 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-10-28 01:04:39,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:04:39,789 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:39,790 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:04:39,790 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 01:04:39,790 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:04:39,790 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 01:04:39,790 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:04:39,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:04:39,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 01:04:39,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:04:39,790 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:04:39,809 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-10-28 01:04:39,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:04:39,815 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:39,818 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:04:39,819 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-28 01:04:39,819 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:04:39,819 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 01:04:39,819 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:04:39,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:04:39,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-10-28 01:04:39,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:04:39,819 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:04:39,821 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-28 01:04:39,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:04:39,823 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:39,825 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:04:39,825 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-28 01:04:39,825 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:04:39,825 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 01:04:39,825 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:04:39,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:04:39,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:04:39,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:04:39,826 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:04:39,828 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 01:04:39,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:04:39,829 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:39,832 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:04:39,832 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-28 01:04:39,832 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:04:39,832 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 01:04:39,832 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:04:39,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:04:39,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:04:39,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:04:39,833 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:04:39,834 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 01:04:39,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:04:39,835 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:39,836 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:04:39,836 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:04:39,836 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:04:39,837 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:04:39,837 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:04:39,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:04:39,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:04:39,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:04:39,837 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:04:39,838 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 01:04:39,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:04:39,839 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:39,841 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:04:39,841 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:04:39,841 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:04:39,841 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:04:39,841 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:04:39,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:04:39,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:04:39,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:04:39,842 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:04:39,844 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-10-28 01:04:39,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:04:39,854 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:39,858 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:04:39,858 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 47 [2020-10-28 01:04:39,858 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:04:39,858 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 01:04:39,859 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:04:39,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:04:39,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 44 [2020-10-28 01:04:39,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:04:39,859 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:04:39,861 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 01:04:39,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:04:39,863 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:39,865 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:04:39,865 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-10-28 01:04:39,866 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:04:39,866 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 01:04:39,866 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:04:39,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:04:39,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:04:39,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:04:39,866 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:04:39,868 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 01:04:39,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:04:39,870 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:39,872 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:04:39,872 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-28 01:04:39,872 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:04:39,872 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 01:04:39,872 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:04:39,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:04:39,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:04:39,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:04:39,873 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:04:39,874 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 01:04:39,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:04:39,875 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:39,876 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:04:39,876 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:04:39,877 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:04:39,877 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:04:39,877 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:04:39,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:04:39,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:04:39,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:04:39,877 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:04:39,878 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 01:04:39,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:04:39,879 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:39,880 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:04:39,880 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-28 01:04:39,881 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:04:39,881 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:04:39,881 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:04:39,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:04:39,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:04:39,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:04:39,881 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:04:39,883 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2020-10-28 01:04:39,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:04:39,890 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:39,891 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:04:39,891 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 01:04:39,891 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:04:39,891 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:04:39,891 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:04:39,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:04:39,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 01:04:39,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:04:39,892 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:04:39,915 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2020-10-28 01:04:39,916 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1389987080] [2020-10-28 01:04:39,916 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 01:04:39,916 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-28 01:04:39,916 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [472152498] [2020-10-28 01:04:39,917 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-28 01:04:39,917 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 01:04:39,917 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-28 01:04:39,917 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2020-10-28 01:04:39,917 INFO L87 Difference]: Start difference. First operand 4275 states and 5256 transitions. Second operand 10 states. [2020-10-28 01:04:42,765 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 01:04:42,765 INFO L93 Difference]: Finished difference Result 14001 states and 17529 transitions. [2020-10-28 01:04:42,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-10-28 01:04:42,766 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 184 [2020-10-28 01:04:42,766 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 01:04:42,845 INFO L225 Difference]: With dead ends: 14001 [2020-10-28 01:04:42,845 INFO L226 Difference]: Without dead ends: 9748 [2020-10-28 01:04:42,864 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 88 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=136, Invalid=370, Unknown=0, NotChecked=0, Total=506 [2020-10-28 01:04:42,878 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9748 states. [2020-10-28 01:04:43,839 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9748 to 8439. [2020-10-28 01:04:43,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8439 states. [2020-10-28 01:04:43,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8439 states to 8439 states and 10353 transitions. [2020-10-28 01:04:43,872 INFO L78 Accepts]: Start accepts. Automaton has 8439 states and 10353 transitions. Word has length 184 [2020-10-28 01:04:43,872 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 01:04:43,872 INFO L481 AbstractCegarLoop]: Abstraction has 8439 states and 10353 transitions. [2020-10-28 01:04:43,873 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-28 01:04:43,873 INFO L276 IsEmpty]: Start isEmpty. Operand 8439 states and 10353 transitions. [2020-10-28 01:04:43,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2020-10-28 01:04:43,883 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 01:04:43,884 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 01:04:43,884 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-28 01:04:43,884 INFO L429 AbstractCegarLoop]: === Iteration 13 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 01:04:43,884 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 01:04:43,885 INFO L82 PathProgramCache]: Analyzing trace with hash -1485899313, now seen corresponding path program 1 times [2020-10-28 01:04:43,885 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 01:04:43,885 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [986498113] [2020-10-28 01:04:43,885 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 01:04:43,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:04:43,904 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:43,948 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:44,160 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:04:44,160 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 244 [2020-10-28 01:04:44,160 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 01:04:44,161 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 262 [2020-10-28 01:04:44,161 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:04:44,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-28 01:04:44,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 01:04:44,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 35 [2020-10-28 01:04:44,161 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:04:44,227 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 01:04:44,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:04:44,233 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:44,241 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:04:44,241 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 01:04:44,241 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:04:44,241 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-28 01:04:44,241 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:04:44,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:04:44,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:04:44,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 01:04:44,242 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:04:44,254 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 01:04:44,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:04:44,256 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:44,258 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:04:44,258 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 01:04:44,258 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:04:44,258 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:04:44,258 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:04:44,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:04:44,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:04:44,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 01:04:44,259 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:04:44,260 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 01:04:44,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:04:44,262 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:44,263 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:04:44,263 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 01:04:44,263 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:04:44,263 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:04:44,263 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:04:44,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:04:44,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:04:44,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 01:04:44,264 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:04:44,279 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 01:04:44,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:04:44,281 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:44,283 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:04:44,283 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 01:04:44,283 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:04:44,284 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 01:04:44,284 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:04:44,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:04:44,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:04:44,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 01:04:44,284 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:04:44,298 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-28 01:04:44,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:04:44,301 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:44,306 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:04:44,306 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:04:44,306 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:04:44,306 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 01:04:44,306 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:04:44,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 01:04:44,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 01:04:44,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-28 01:04:44,307 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:04:44,333 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-28 01:04:44,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:04:44,337 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:44,340 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:04:44,340 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-28 01:04:44,340 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:04:44,340 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 01:04:44,341 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:04:44,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:04:44,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 27 [2020-10-28 01:04:44,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:04:44,341 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:04:44,343 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 01:04:44,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:04:44,344 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:44,345 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:04:44,345 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:04:44,345 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:04:44,346 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:04:44,346 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:04:44,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:04:44,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:04:44,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:04:44,346 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:04:44,347 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 01:04:44,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:04:44,348 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:44,349 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:04:44,349 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:04:44,349 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:04:44,350 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:04:44,350 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:04:44,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:04:44,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:04:44,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:04:44,350 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:04:44,352 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-28 01:04:44,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:04:44,354 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:44,355 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:04:44,355 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:04:44,356 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:04:44,356 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 01:04:44,356 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:04:44,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:04:44,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-28 01:04:44,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:04:44,356 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:04:44,358 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-28 01:04:44,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:04:44,359 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:44,360 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:04:44,361 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 01:04:44,361 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:04:44,361 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:04:44,361 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:04:44,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:04:44,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 01:04:44,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:04:44,362 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:04:44,387 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-28 01:04:44,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:04:44,389 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:44,390 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:04:44,391 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 01:04:44,391 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:04:44,391 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:04:44,391 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:04:44,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:04:44,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 01:04:44,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:04:44,392 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:04:44,393 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-10-28 01:04:44,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:04:44,394 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:44,395 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:04:44,395 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 01:04:44,395 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:04:44,396 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:04:44,396 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:04:44,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:04:44,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 01:04:44,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:04:44,396 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:04:44,418 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-10-28 01:04:44,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:04:44,424 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:44,431 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:04:44,431 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-28 01:04:44,432 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:04:44,432 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-28 01:04:44,432 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:04:44,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:04:44,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-10-28 01:04:44,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:04:44,433 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:04:44,436 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-28 01:04:44,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:04:44,438 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:44,442 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:04:44,442 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-28 01:04:44,442 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:04:44,442 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 01:04:44,442 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:04:44,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:04:44,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:04:44,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:04:44,443 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:04:44,445 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 01:04:44,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:04:44,447 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:44,450 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:04:44,451 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-28 01:04:44,451 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:04:44,451 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 01:04:44,451 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:04:44,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:04:44,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:04:44,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:04:44,452 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:04:44,454 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 01:04:44,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:04:44,456 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:44,457 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:04:44,457 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:04:44,457 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:04:44,457 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:04:44,457 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:04:44,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:04:44,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:04:44,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:04:44,458 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:04:44,459 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 01:04:44,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:04:44,460 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:44,461 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:04:44,461 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:04:44,462 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:04:44,462 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:04:44,462 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:04:44,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:04:44,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:04:44,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:04:44,463 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 01:04:44,469 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-10-28 01:04:44,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:04:44,483 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:44,490 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:04:44,491 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 47 [2020-10-28 01:04:44,491 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:04:44,491 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-28 01:04:44,491 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:04:44,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:04:44,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 44 [2020-10-28 01:04:44,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:04:44,492 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 01:04:44,497 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 01:04:44,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:04:44,501 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:44,505 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:04:44,505 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-10-28 01:04:44,506 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:04:44,506 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 01:04:44,506 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:04:44,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:04:44,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:04:44,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:04:44,507 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:04:44,509 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 01:04:44,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:04:44,512 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:44,515 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:04:44,516 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-28 01:04:44,516 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:04:44,516 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 01:04:44,516 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:04:44,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:04:44,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:04:44,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:04:44,517 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 01:04:44,520 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 01:04:44,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:04:44,593 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:44,594 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:04:44,595 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:04:44,595 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:04:44,595 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:04:44,596 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:04:44,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:04:44,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:04:44,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:04:44,597 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 01:04:44,598 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 01:04:44,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:04:44,599 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:44,600 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:04:44,600 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-28 01:04:44,601 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:04:44,601 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:04:44,601 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:04:44,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:04:44,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:04:44,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:04:44,602 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:04:44,604 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2020-10-28 01:04:44,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:04:44,606 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:44,607 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:04:44,607 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 01:04:44,607 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:04:44,607 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:04:44,608 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:04:44,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:04:44,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 01:04:44,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:04:44,608 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:04:44,644 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2020-10-28 01:04:44,645 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [986498113] [2020-10-28 01:04:44,645 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 01:04:44,645 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-28 01:04:44,645 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1499658511] [2020-10-28 01:04:44,646 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-28 01:04:44,646 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 01:04:44,646 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-28 01:04:44,647 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2020-10-28 01:04:44,647 INFO L87 Difference]: Start difference. First operand 8439 states and 10353 transitions. Second operand 12 states. [2020-10-28 01:04:47,033 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 01:04:47,034 INFO L93 Difference]: Finished difference Result 14105 states and 18032 transitions. [2020-10-28 01:04:47,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-10-28 01:04:47,034 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 184 [2020-10-28 01:04:47,034 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 01:04:47,068 INFO L225 Difference]: With dead ends: 14105 [2020-10-28 01:04:47,068 INFO L226 Difference]: Without dead ends: 2834 [2020-10-28 01:04:47,104 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 91 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=154, Invalid=398, Unknown=0, NotChecked=0, Total=552 [2020-10-28 01:04:47,108 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2834 states. [2020-10-28 01:04:47,476 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2834 to 2673. [2020-10-28 01:04:47,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2673 states. [2020-10-28 01:04:47,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2673 states to 2673 states and 3165 transitions. [2020-10-28 01:04:47,490 INFO L78 Accepts]: Start accepts. Automaton has 2673 states and 3165 transitions. Word has length 184 [2020-10-28 01:04:47,490 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 01:04:47,490 INFO L481 AbstractCegarLoop]: Abstraction has 2673 states and 3165 transitions. [2020-10-28 01:04:47,490 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-28 01:04:47,490 INFO L276 IsEmpty]: Start isEmpty. Operand 2673 states and 3165 transitions. [2020-10-28 01:04:47,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2020-10-28 01:04:47,496 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 01:04:47,496 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 01:04:47,497 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-28 01:04:47,497 INFO L429 AbstractCegarLoop]: === Iteration 14 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 01:04:47,497 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 01:04:47,497 INFO L82 PathProgramCache]: Analyzing trace with hash 206789263, now seen corresponding path program 1 times [2020-10-28 01:04:47,497 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 01:04:47,503 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2057009222] [2020-10-28 01:04:47,504 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 01:04:47,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:04:47,524 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:47,773 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:04:47,774 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 244 [2020-10-28 01:04:47,774 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:04:47,774 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 255 [2020-10-28 01:04:47,774 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:04:47,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-28 01:04:47,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 01:04:47,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 34 [2020-10-28 01:04:47,775 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:04:47,831 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 01:04:47,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:04:47,838 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:47,847 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:04:47,848 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 01:04:47,848 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:04:47,848 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-28 01:04:47,848 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:04:47,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:04:47,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:04:47,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 01:04:47,849 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:04:47,861 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 01:04:47,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:04:47,863 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:47,864 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:04:47,864 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 01:04:47,865 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:04:47,865 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:04:47,865 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:04:47,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:04:47,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:04:47,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 01:04:47,866 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:04:47,866 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 01:04:47,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:04:47,868 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:47,868 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:04:47,868 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 01:04:47,869 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:04:47,869 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 01:04:47,869 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:04:47,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:04:47,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:04:47,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 01:04:47,869 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:04:47,878 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 01:04:47,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:04:47,881 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:47,882 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:04:47,882 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 01:04:47,883 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:04:47,883 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 01:04:47,883 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:04:47,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:04:47,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:04:47,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 01:04:47,884 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:04:47,899 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-28 01:04:47,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:04:47,901 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:47,907 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:04:47,907 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:04:47,907 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:04:47,907 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 01:04:47,907 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:04:47,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 01:04:47,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 01:04:47,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-28 01:04:47,908 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:04:47,927 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-28 01:04:47,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:04:47,931 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:47,934 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:04:47,934 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-28 01:04:47,934 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:04:47,934 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 01:04:47,935 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:04:47,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:04:47,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 27 [2020-10-28 01:04:47,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:04:47,935 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:04:47,937 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 01:04:47,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:04:47,938 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:47,939 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:04:47,939 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:04:47,940 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:04:47,940 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:04:47,940 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:04:47,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:04:47,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:04:47,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:04:47,940 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:04:47,941 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 01:04:47,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:04:47,942 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:47,943 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:04:47,944 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:04:47,944 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:04:47,944 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:04:47,944 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:04:47,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:04:47,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:04:47,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:04:47,945 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:04:47,946 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-28 01:04:47,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:04:47,948 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:47,949 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:04:47,950 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:04:47,950 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:04:47,950 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 01:04:47,950 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:04:47,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:04:47,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-28 01:04:47,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:04:47,951 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:04:47,952 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-28 01:04:47,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:04:47,953 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:47,954 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:04:47,954 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 01:04:47,955 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:04:47,955 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:04:47,955 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:04:47,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:04:47,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 01:04:47,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:04:47,956 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:04:47,974 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-28 01:04:47,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:04:47,976 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:47,978 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:04:47,978 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 01:04:47,978 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:04:47,978 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 01:04:47,979 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:04:47,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:04:47,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 01:04:47,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:04:47,979 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:04:47,980 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-10-28 01:04:47,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:04:47,982 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:47,983 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:04:47,983 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 01:04:47,983 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:04:47,983 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:04:47,984 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:04:47,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:04:47,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 01:04:47,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:04:47,984 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:04:48,003 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-10-28 01:04:48,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:04:48,010 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:48,017 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:04:48,017 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-28 01:04:48,017 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:04:48,017 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-28 01:04:48,017 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:04:48,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:04:48,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-10-28 01:04:48,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:04:48,018 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:04:48,021 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-28 01:04:48,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:04:48,024 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:48,027 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:04:48,027 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-28 01:04:48,027 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:04:48,027 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 01:04:48,028 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:04:48,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:04:48,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:04:48,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:04:48,028 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:04:48,030 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 01:04:48,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:04:48,033 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:48,036 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:04:48,036 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-28 01:04:48,036 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:04:48,037 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 01:04:48,037 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:04:48,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:04:48,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:04:48,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:04:48,037 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:04:48,039 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 01:04:48,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:04:48,041 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:48,042 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:04:48,042 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:04:48,042 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:04:48,042 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:04:48,042 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:04:48,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:04:48,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:04:48,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:04:48,043 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:04:48,044 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 01:04:48,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:04:48,045 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:48,046 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:04:48,046 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:04:48,046 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:04:48,047 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:04:48,047 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:04:48,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:04:48,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:04:48,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:04:48,047 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:04:48,050 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-10-28 01:04:48,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:04:48,055 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:48,060 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:04:48,061 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 47 [2020-10-28 01:04:48,061 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:04:48,061 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 01:04:48,061 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:04:48,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:04:48,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 44 [2020-10-28 01:04:48,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:04:48,062 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:04:48,065 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 01:04:48,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:04:48,067 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:48,070 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:04:48,071 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-10-28 01:04:48,071 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:04:48,071 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 01:04:48,071 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:04:48,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:04:48,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:04:48,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:04:48,072 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:04:48,074 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 01:04:48,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:04:48,076 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:48,079 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:04:48,079 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-28 01:04:48,079 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:04:48,080 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 01:04:48,080 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:04:48,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:04:48,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:04:48,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:04:48,080 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:04:48,082 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 01:04:48,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:04:48,084 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:48,085 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:04:48,085 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:04:48,085 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:04:48,085 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:04:48,085 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:04:48,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:04:48,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:04:48,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:04:48,086 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:04:48,087 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 01:04:48,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:04:48,088 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:48,090 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:04:48,090 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-28 01:04:48,090 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:04:48,090 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:04:48,090 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:04:48,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:04:48,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:04:48,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:04:48,091 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:04:48,094 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2020-10-28 01:04:48,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:04:48,095 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:48,097 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:04:48,097 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 01:04:48,097 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:04:48,097 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:04:48,097 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:04:48,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:04:48,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 01:04:48,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:04:48,098 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:04:48,132 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2020-10-28 01:04:48,132 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2057009222] [2020-10-28 01:04:48,133 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 01:04:48,133 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-28 01:04:48,133 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [963188222] [2020-10-28 01:04:48,135 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-28 01:04:48,135 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 01:04:48,135 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-28 01:04:48,135 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2020-10-28 01:04:48,135 INFO L87 Difference]: Start difference. First operand 2673 states and 3165 transitions. Second operand 11 states. [2020-10-28 01:04:49,358 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 01:04:49,359 INFO L93 Difference]: Finished difference Result 2865 states and 3362 transitions. [2020-10-28 01:04:49,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-28 01:04:49,359 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 184 [2020-10-28 01:04:49,360 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 01:04:49,366 INFO L225 Difference]: With dead ends: 2865 [2020-10-28 01:04:49,366 INFO L226 Difference]: Without dead ends: 1295 [2020-10-28 01:04:49,370 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=80, Invalid=192, Unknown=0, NotChecked=0, Total=272 [2020-10-28 01:04:49,372 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1295 states. [2020-10-28 01:04:49,508 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1295 to 1236. [2020-10-28 01:04:49,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1236 states. [2020-10-28 01:04:49,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1236 states to 1236 states and 1423 transitions. [2020-10-28 01:04:49,513 INFO L78 Accepts]: Start accepts. Automaton has 1236 states and 1423 transitions. Word has length 184 [2020-10-28 01:04:49,513 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 01:04:49,513 INFO L481 AbstractCegarLoop]: Abstraction has 1236 states and 1423 transitions. [2020-10-28 01:04:49,513 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-28 01:04:49,514 INFO L276 IsEmpty]: Start isEmpty. Operand 1236 states and 1423 transitions. [2020-10-28 01:04:49,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2020-10-28 01:04:49,516 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 01:04:49,516 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 01:04:49,516 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-28 01:04:49,517 INFO L429 AbstractCegarLoop]: === Iteration 15 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 01:04:49,517 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 01:04:49,517 INFO L82 PathProgramCache]: Analyzing trace with hash 1140527567, now seen corresponding path program 1 times [2020-10-28 01:04:49,517 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 01:04:49,517 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [403633974] [2020-10-28 01:04:49,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 01:04:49,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-28 01:04:49,550 INFO L173 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-10-28 01:04:49,551 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-28 01:04:49,558 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-10-28 01:04:49,598 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.10 01:04:49 BoogieIcfgContainer [2020-10-28 01:04:49,599 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-28 01:04:49,600 INFO L168 Benchmark]: Toolchain (without parser) took 92114.29 ms. Allocated memory was 151.0 MB in the beginning and 1.3 GB in the end (delta: 1.1 GB). Free memory was 132.9 MB in the beginning and 1.1 GB in the end (delta: -968.0 MB). Peak memory consumption was 131.8 MB. Max. memory is 8.0 GB. [2020-10-28 01:04:49,601 INFO L168 Benchmark]: CDTParser took 0.78 ms. Allocated memory is still 151.0 MB. Free memory is still 124.0 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-10-28 01:04:49,602 INFO L168 Benchmark]: CACSL2BoogieTranslator took 444.64 ms. Allocated memory is still 151.0 MB. Free memory was 132.2 MB in the beginning and 119.3 MB in the end (delta: 12.9 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. [2020-10-28 01:04:49,602 INFO L168 Benchmark]: Boogie Preprocessor took 63.26 ms. Allocated memory is still 151.0 MB. Free memory was 119.3 MB in the beginning and 133.1 MB in the end (delta: -13.8 MB). Peak memory consumption was 5.1 MB. Max. memory is 8.0 GB. [2020-10-28 01:04:49,603 INFO L168 Benchmark]: RCFGBuilder took 993.87 ms. Allocated memory is still 151.0 MB. Free memory was 133.1 MB in the beginning and 99.5 MB in the end (delta: 33.6 MB). Peak memory consumption was 33.6 MB. Max. memory is 8.0 GB. [2020-10-28 01:04:49,604 INFO L168 Benchmark]: TraceAbstraction took 90599.30 ms. Allocated memory was 151.0 MB in the beginning and 1.3 GB in the end (delta: 1.1 GB). Free memory was 99.3 MB in the beginning and 1.1 GB in the end (delta: -1.0 GB). Peak memory consumption was 99.4 MB. Max. memory is 8.0 GB. [2020-10-28 01:04:49,606 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.78 ms. Allocated memory is still 151.0 MB. Free memory is still 124.0 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 444.64 ms. Allocated memory is still 151.0 MB. Free memory was 132.2 MB in the beginning and 119.3 MB in the end (delta: 12.9 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 63.26 ms. Allocated memory is still 151.0 MB. Free memory was 119.3 MB in the beginning and 133.1 MB in the end (delta: -13.8 MB). Peak memory consumption was 5.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 993.87 ms. Allocated memory is still 151.0 MB. Free memory was 133.1 MB in the beginning and 99.5 MB in the end (delta: 33.6 MB). Peak memory consumption was 33.6 MB. Max. memory is 8.0 GB. * TraceAbstraction took 90599.30 ms. Allocated memory was 151.0 MB in the beginning and 1.3 GB in the end (delta: 1.1 GB). Free memory was 99.3 MB in the beginning and 1.1 GB in the end (delta: -1.0 GB). Peak memory consumption was 99.4 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 3]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L16] int m_pc = 0; [L17] int t1_pc = 0; [L18] int m_st ; [L19] int t1_st ; [L20] int m_i ; [L21] int t1_i ; [L22] int M_E = 2; [L23] int T1_E = 2; [L24] int E_M = 2; [L25] int E_1 = 2; [L29] int token ; [L31] int local ; [L477] int __retres1 ; [L481] CALL init_model() [L392] m_i = 1 [L393] t1_i = 1 [L481] RET init_model() [L482] CALL start_simulation() [L418] int kernel_st ; [L419] int tmp ; [L420] int tmp___0 ; [L424] kernel_st = 0 [L425] FCALL update_channels() [L426] CALL init_threads() [L174] COND TRUE m_i == 1 [L175] m_st = 0 [L179] COND TRUE t1_i == 1 [L180] t1_st = 0 [L426] RET init_threads() [L427] CALL fire_delta_events() [L263] COND FALSE !(M_E == 0) [L268] COND FALSE !(T1_E == 0) [L273] COND FALSE !(E_M == 0) [L278] COND FALSE !(E_1 == 0) [L427] RET fire_delta_events() [L428] CALL activate_threads() [L316] int tmp ; [L317] int tmp___0 ; [L321] CALL, EXPR is_master_triggered() [L125] int __retres1 ; [L128] COND FALSE !(m_pc == 1) [L138] __retres1 = 0 [L140] return (__retres1); [L321] RET, EXPR is_master_triggered() [L321] tmp = is_master_triggered() [L323] COND FALSE !(\read(tmp)) [L329] CALL, EXPR is_transmit1_triggered() [L144] int __retres1 ; [L147] COND FALSE !(t1_pc == 1) [L157] __retres1 = 0 [L159] return (__retres1); [L329] RET, EXPR is_transmit1_triggered() [L329] tmp___0 = is_transmit1_triggered() [L331] COND FALSE !(\read(tmp___0)) [L428] RET activate_threads() [L429] CALL reset_delta_events() [L291] COND FALSE !(M_E == 1) [L296] COND FALSE !(T1_E == 1) [L301] COND FALSE !(E_M == 1) [L306] COND FALSE !(E_1 == 1) [L429] RET reset_delta_events() [L432] COND TRUE 1 [L435] kernel_st = 1 [L436] CALL eval() [L210] int tmp ; [L214] COND TRUE 1 [L217] CALL, EXPR exists_runnable_thread() [L189] int __retres1 ; [L192] COND TRUE m_st == 0 [L193] __retres1 = 1 [L205] return (__retres1); [L217] RET, EXPR exists_runnable_thread() [L217] tmp = exists_runnable_thread() [L219] COND TRUE \read(tmp) [L224] COND TRUE m_st == 0 [L225] int tmp_ndt_1; [L226] tmp_ndt_1 = __VERIFIER_nondet_int() [L227] COND FALSE !(\read(tmp_ndt_1)) [L238] COND TRUE t1_st == 0 [L239] int tmp_ndt_2; [L240] tmp_ndt_2 = __VERIFIER_nondet_int() [L241] COND TRUE \read(tmp_ndt_2) [L243] t1_st = 1 [L244] CALL transmit1() [L92] COND TRUE t1_pc == 0 [L103] COND TRUE 1 [L105] t1_pc = 1 [L106] t1_st = 2 [L244] RET transmit1() [L214] COND TRUE 1 [L217] CALL, EXPR exists_runnable_thread() [L189] int __retres1 ; [L192] COND TRUE m_st == 0 [L193] __retres1 = 1 [L205] return (__retres1); [L217] RET, EXPR exists_runnable_thread() [L217] tmp = exists_runnable_thread() [L219] COND TRUE \read(tmp) [L224] COND TRUE m_st == 0 [L225] int tmp_ndt_1; [L226] tmp_ndt_1 = __VERIFIER_nondet_int() [L227] COND TRUE \read(tmp_ndt_1) [L229] m_st = 1 [L230] CALL master() [L34] int tmp_var = __VERIFIER_nondet_int(); [L36] COND TRUE m_pc == 0 [L47] COND TRUE 1 [L50] token = __VERIFIER_nondet_int() [L51] local = token [L52] E_1 = 1 [L53] CALL immediate_notify() [L345] CALL activate_threads() [L316] int tmp ; [L317] int tmp___0 ; [L321] CALL, EXPR is_master_triggered() [L125] int __retres1 ; [L128] COND FALSE !(m_pc == 1) [L138] __retres1 = 0 [L140] return (__retres1); [L321] RET, EXPR is_master_triggered() [L321] tmp = is_master_triggered() [L323] COND FALSE !(\read(tmp)) [L329] CALL, EXPR is_transmit1_triggered() [L144] int __retres1 ; [L147] COND TRUE t1_pc == 1 [L148] COND TRUE E_1 == 1 [L149] __retres1 = 1 [L159] return (__retres1); [L329] RET, EXPR is_transmit1_triggered() [L329] tmp___0 = is_transmit1_triggered() [L331] COND TRUE \read(tmp___0) [L332] t1_st = 0 [L345] RET activate_threads() [L53] RET immediate_notify() [L54] E_1 = 2 [L55] m_pc = 1 [L56] m_st = 2 [L230] RET master() [L238] COND TRUE t1_st == 0 [L239] int tmp_ndt_2; [L240] tmp_ndt_2 = __VERIFIER_nondet_int() [L241] COND TRUE \read(tmp_ndt_2) [L243] t1_st = 1 [L244] CALL transmit1() [L92] COND FALSE !(t1_pc == 0) [L95] COND TRUE t1_pc == 1 [L111] token += 1 [L112] E_M = 1 [L113] CALL immediate_notify() [L345] CALL activate_threads() [L316] int tmp ; [L317] int tmp___0 ; [L321] CALL, EXPR is_master_triggered() [L125] int __retres1 ; [L128] COND TRUE m_pc == 1 [L129] COND TRUE E_M == 1 [L130] __retres1 = 1 [L140] return (__retres1); [L321] RET, EXPR is_master_triggered() [L321] tmp = is_master_triggered() [L323] COND TRUE \read(tmp) [L324] m_st = 0 [L329] CALL, EXPR is_transmit1_triggered() [L144] int __retres1 ; [L147] COND TRUE t1_pc == 1 [L148] COND FALSE !(E_1 == 1) [L157] __retres1 = 0 [L159] return (__retres1); [L329] RET, EXPR is_transmit1_triggered() [L329] tmp___0 = is_transmit1_triggered() [L331] COND FALSE !(\read(tmp___0)) [L345] RET activate_threads() [L113] RET immediate_notify() [L114] E_M = 2 [L103] COND TRUE 1 [L105] t1_pc = 1 [L106] t1_st = 2 [L244] RET transmit1() [L214] COND TRUE 1 [L217] CALL, EXPR exists_runnable_thread() [L189] int __retres1 ; [L192] COND TRUE m_st == 0 [L193] __retres1 = 1 [L205] return (__retres1); [L217] RET, EXPR exists_runnable_thread() [L217] tmp = exists_runnable_thread() [L219] COND TRUE \read(tmp) [L224] COND TRUE m_st == 0 [L225] int tmp_ndt_1; [L226] tmp_ndt_1 = __VERIFIER_nondet_int() [L227] COND TRUE \read(tmp_ndt_1) [L229] m_st = 1 [L230] CALL master() [L34] int tmp_var = __VERIFIER_nondet_int(); [L36] COND FALSE !(m_pc == 0) [L39] COND TRUE m_pc == 1 [L61] COND FALSE !(token != local + 1) [L66] COND TRUE tmp_var <= 5 [L67] COND TRUE tmp_var >= 5 [L72] COND TRUE tmp_var <= 5 [L73] COND TRUE tmp_var >= 5 [L74] COND TRUE tmp_var == 5 [L75] CALL error() [L12] CALL reach_error() [L3] __assert_fail("0", "token_ring.01.cil-2.c", 3, "reach_error") - StatisticsResult: Ultimate Automizer benchmark data CFG has 22 procedures, 155 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 90.4s, OverallIterations: 15, TraceHistogramMax: 3, AutomataDifference: 34.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 2707 SDtfs, 9217 SDslu, 618 SDs, 0 SdLazy, 18082 SolverSat, 5395 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 20.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 905 GetRequests, 613 SyntacticMatches, 7 SemanticMatches, 285 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1238 ImplicationChecksByTransitivity, 6.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=8439occurred in iteration=12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 3.4s AutomataMinimizationTime, 14 MinimizatonAttempts, 5250 StatesRemovedByMinimization, 14 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 51.5s InterpolantComputationTime, 2336 NumberOfCodeBlocks, 2336 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 2138 ConstructedInterpolants, 0 QuantifiedInterpolants, 818833 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 14 InterpolantComputations, 10 PerfectInterpolantSequences, 1056/1070 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...