/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/transmitter.04.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-28 01:11:39,627 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-28 01:11:39,633 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-28 01:11:39,687 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-28 01:11:39,688 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-28 01:11:39,694 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-28 01:11:39,697 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-28 01:11:39,703 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-28 01:11:39,706 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-28 01:11:39,715 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-28 01:11:39,716 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-28 01:11:39,718 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-28 01:11:39,718 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-28 01:11:39,722 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-28 01:11:39,726 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-28 01:11:39,728 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-28 01:11:39,729 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-28 01:11:39,732 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-28 01:11:39,735 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-28 01:11:39,743 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-28 01:11:39,747 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-28 01:11:39,750 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-28 01:11:39,751 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-28 01:11:39,765 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-28 01:11:39,771 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-28 01:11:39,771 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-28 01:11:39,772 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-28 01:11:39,773 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-28 01:11:39,773 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-28 01:11:39,775 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-28 01:11:39,776 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-28 01:11:39,777 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-28 01:11:39,779 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-28 01:11:39,779 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-28 01:11:39,781 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-28 01:11:39,781 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-28 01:11:39,782 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-28 01:11:39,782 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-28 01:11:39,782 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-28 01:11:39,783 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-28 01:11:39,784 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-28 01:11:39,791 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 01:11:39,838 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-28 01:11:39,838 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-28 01:11:39,842 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-28 01:11:39,843 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-28 01:11:39,843 INFO L138 SettingsManager]: * Use SBE=true [2020-10-28 01:11:39,843 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-28 01:11:39,843 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-28 01:11:39,843 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-28 01:11:39,844 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-28 01:11:39,844 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-28 01:11:39,845 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-28 01:11:39,845 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-28 01:11:39,845 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-28 01:11:39,846 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-28 01:11:39,846 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-28 01:11:39,846 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-28 01:11:39,846 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-28 01:11:39,846 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-28 01:11:39,847 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-28 01:11:39,847 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-28 01:11:39,847 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-28 01:11:39,847 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-28 01:11:39,847 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-28 01:11:39,848 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-28 01:11:39,848 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-28 01:11:39,848 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-28 01:11:39,848 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-28 01:11:39,848 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-28 01:11:39,849 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-28 01:11:39,849 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=DEEPEST;log-additional-information=true;unknown-allowed=true; [2020-10-28 01:11:40,230 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-28 01:11:40,263 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-28 01:11:40,268 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-28 01:11:40,270 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-28 01:11:40,270 INFO L275 PluginConnector]: CDTParser initialized [2020-10-28 01:11:40,273 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/systemc/transmitter.04.cil.c [2020-10-28 01:11:40,360 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/28577122b/10cd705c06d14a578ac0e9c6aa0bb514/FLAG1379225cd [2020-10-28 01:11:40,998 INFO L306 CDTParser]: Found 1 translation units. [2020-10-28 01:11:40,999 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/systemc/transmitter.04.cil.c [2020-10-28 01:11:41,014 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/28577122b/10cd705c06d14a578ac0e9c6aa0bb514/FLAG1379225cd [2020-10-28 01:11:41,344 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/28577122b/10cd705c06d14a578ac0e9c6aa0bb514 [2020-10-28 01:11:41,355 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-28 01:11:41,366 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-28 01:11:41,372 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-28 01:11:41,372 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-28 01:11:41,377 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-28 01:11:41,378 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 01:11:41" (1/1) ... [2020-10-28 01:11:41,383 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6cfc022e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 01:11:41, skipping insertion in model container [2020-10-28 01:11:41,383 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 01:11:41" (1/1) ... [2020-10-28 01:11:41,394 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-28 01:11:41,460 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-28 01:11:41,832 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 01:11:41,844 INFO L203 MainTranslator]: Completed pre-run [2020-10-28 01:11:41,899 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 01:11:41,932 INFO L208 MainTranslator]: Completed translation [2020-10-28 01:11:41,933 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 01:11:41 WrapperNode [2020-10-28 01:11:41,933 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-28 01:11:41,935 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-28 01:11:41,935 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-28 01:11:41,936 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-28 01:11:41,950 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 01:11:41" (1/1) ... [2020-10-28 01:11:41,951 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 01:11:41" (1/1) ... [2020-10-28 01:11:41,965 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 01:11:41" (1/1) ... [2020-10-28 01:11:41,965 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 01:11:41" (1/1) ... [2020-10-28 01:11:41,980 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 01:11:41" (1/1) ... [2020-10-28 01:11:41,998 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 01:11:41" (1/1) ... [2020-10-28 01:11:42,012 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 01:11:41" (1/1) ... [2020-10-28 01:11:42,023 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-28 01:11:42,025 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-28 01:11:42,025 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-28 01:11:42,025 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-28 01:11:42,030 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 01:11:41" (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 01:11:42,154 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-28 01:11:42,154 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-28 01:11:42,155 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-28 01:11:42,155 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2020-10-28 01:11:42,156 INFO L138 BoogieDeclarations]: Found implementation of procedure master [2020-10-28 01:11:42,156 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit1 [2020-10-28 01:11:42,157 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit2 [2020-10-28 01:11:42,157 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit3 [2020-10-28 01:11:42,157 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit4 [2020-10-28 01:11:42,157 INFO L138 BoogieDeclarations]: Found implementation of procedure is_master_triggered [2020-10-28 01:11:42,158 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit1_triggered [2020-10-28 01:11:42,158 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit2_triggered [2020-10-28 01:11:42,159 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit3_triggered [2020-10-28 01:11:42,159 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit4_triggered [2020-10-28 01:11:42,159 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels [2020-10-28 01:11:42,160 INFO L138 BoogieDeclarations]: Found implementation of procedure init_threads [2020-10-28 01:11:42,160 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2020-10-28 01:11:42,161 INFO L138 BoogieDeclarations]: Found implementation of procedure eval [2020-10-28 01:11:42,161 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events [2020-10-28 01:11:42,161 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events [2020-10-28 01:11:42,161 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads [2020-10-28 01:11:42,161 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2020-10-28 01:11:42,161 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_time_events [2020-10-28 01:11:42,162 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_time_events [2020-10-28 01:11:42,162 INFO L138 BoogieDeclarations]: Found implementation of procedure init_model [2020-10-28 01:11:42,162 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_simulation [2020-10-28 01:11:42,162 INFO L138 BoogieDeclarations]: Found implementation of procedure start_simulation [2020-10-28 01:11:42,162 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-28 01:11:42,163 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-28 01:11:42,163 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-28 01:11:42,163 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-28 01:11:42,163 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-28 01:11:42,163 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-28 01:11:42,163 INFO L130 BoogieDeclarations]: Found specification of procedure error [2020-10-28 01:11:42,164 INFO L130 BoogieDeclarations]: Found specification of procedure is_master_triggered [2020-10-28 01:11:42,164 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit1_triggered [2020-10-28 01:11:42,165 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit2_triggered [2020-10-28 01:11:42,165 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit3_triggered [2020-10-28 01:11:42,165 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit4_triggered [2020-10-28 01:11:42,166 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2020-10-28 01:11:42,166 INFO L130 BoogieDeclarations]: Found specification of procedure master [2020-10-28 01:11:42,166 INFO L130 BoogieDeclarations]: Found specification of procedure transmit1 [2020-10-28 01:11:42,166 INFO L130 BoogieDeclarations]: Found specification of procedure transmit2 [2020-10-28 01:11:42,167 INFO L130 BoogieDeclarations]: Found specification of procedure transmit3 [2020-10-28 01:11:42,167 INFO L130 BoogieDeclarations]: Found specification of procedure transmit4 [2020-10-28 01:11:42,167 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels [2020-10-28 01:11:42,167 INFO L130 BoogieDeclarations]: Found specification of procedure init_threads [2020-10-28 01:11:42,168 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2020-10-28 01:11:42,168 INFO L130 BoogieDeclarations]: Found specification of procedure eval [2020-10-28 01:11:42,168 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events [2020-10-28 01:11:42,168 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events [2020-10-28 01:11:42,169 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads [2020-10-28 01:11:42,170 INFO L130 BoogieDeclarations]: Found specification of procedure fire_time_events [2020-10-28 01:11:42,170 INFO L130 BoogieDeclarations]: Found specification of procedure reset_time_events [2020-10-28 01:11:42,170 INFO L130 BoogieDeclarations]: Found specification of procedure init_model [2020-10-28 01:11:42,171 INFO L130 BoogieDeclarations]: Found specification of procedure stop_simulation [2020-10-28 01:11:42,171 INFO L130 BoogieDeclarations]: Found specification of procedure start_simulation [2020-10-28 01:11:42,171 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-28 01:11:42,172 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-28 01:11:42,172 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-28 01:11:42,173 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-28 01:11:42,173 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-28 01:11:42,173 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-28 01:11:42,173 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-28 01:11:43,409 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-28 01:11:43,410 INFO L298 CfgBuilder]: Removed 8 assume(true) statements. [2020-10-28 01:11:43,412 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 01:11:43 BoogieIcfgContainer [2020-10-28 01:11:43,412 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-28 01:11:43,414 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-28 01:11:43,415 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-28 01:11:43,419 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-28 01:11:43,420 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 01:11:41" (1/3) ... [2020-10-28 01:11:43,421 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c9653d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 01:11:43, skipping insertion in model container [2020-10-28 01:11:43,421 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 01:11:41" (2/3) ... [2020-10-28 01:11:43,421 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c9653d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 01:11:43, skipping insertion in model container [2020-10-28 01:11:43,422 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 01:11:43" (3/3) ... [2020-10-28 01:11:43,423 INFO L111 eAbstractionObserver]: Analyzing ICFG transmitter.04.cil.c [2020-10-28 01:11:43,438 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-28 01:11:43,445 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-28 01:11:43,465 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-28 01:11:43,499 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-28 01:11:43,499 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-28 01:11:43,499 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-28 01:11:43,499 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-28 01:11:43,499 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-28 01:11:43,500 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-28 01:11:43,500 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-28 01:11:43,500 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-28 01:11:43,525 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states. [2020-10-28 01:11:43,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2020-10-28 01:11:43,542 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 01:11:43,543 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 01:11:43,543 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 01:11:43,550 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 01:11:43,551 INFO L82 PathProgramCache]: Analyzing trace with hash -295484549, now seen corresponding path program 1 times [2020-10-28 01:11:43,562 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 01:11:43,562 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [541655196] [2020-10-28 01:11:43,563 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 01:11:43,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:11:43,898 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:11:44,061 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:11:44,290 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:11:44,399 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:11:45,408 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:11:45,491 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:11:45,669 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:11:45,761 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:11:45,826 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:11:45,877 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:11:45,901 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:11:45,945 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:11:45,977 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:11:46,019 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:11:46,039 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:11:46,276 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:11:48,421 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:11:48,782 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:11:48,782 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 161 [2020-10-28 01:11:48,782 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 17 [2020-10-28 01:11:48,783 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5006 [2020-10-28 01:11:48,785 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:11:48,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 01:11:48,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 104 [2020-10-28 01:11:48,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 01:11:48,786 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-28 01:11:49,131 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-10-28 01:11:49,133 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 01:11:49,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:11:49,149 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:11:49,157 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:11:49,157 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 01:11:49,157 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:11:49,158 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-28 01:11:49,158 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:11:49,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:11:49,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:11:49,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:11:49,159 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:11:49,202 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 01:11:49,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:11:49,205 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:11:49,207 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:11:49,207 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 01:11:49,207 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:11:49,208 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 01:11:49,208 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:11:49,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:11:49,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:11:49,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:11:49,209 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:11:49,210 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 01:11:49,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:11:49,213 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:11:49,213 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:11:49,214 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 01:11:49,214 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:11:49,214 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:11:49,214 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:11:49,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:11:49,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:11:49,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:11:49,215 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:11:49,248 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 01:11:49,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:11:49,252 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:11:49,256 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:11:49,256 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-28 01:11:49,256 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:11:49,256 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 01:11:49,257 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:11:49,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:11:49,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:11:49,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:11:49,257 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:11:49,323 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-28 01:11:49,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:11:49,327 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:11:49,331 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:11:49,331 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 01:11:49,331 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:11:49,332 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 01:11:49,332 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:11:49,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:11:49,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:11:49,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:11:49,332 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:11:49,337 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-28 01:11:49,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:11:49,378 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:11:49,392 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:11:49,670 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:11:49,670 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-10-28 01:11:49,671 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 01:11:49,671 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 321 [2020-10-28 01:11:49,671 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:11:49,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 01:11:49,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 52 [2020-10-28 01:11:49,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 01:11:49,672 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:11:49,746 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 01:11:49,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:11:49,748 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:11:49,750 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:11:49,750 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:11:49,751 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:11:49,751 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 01:11:49,751 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:11:49,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:11:49,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:11:49,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:11:49,752 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:11:49,753 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 01:11:49,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:11:49,755 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:11:49,757 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:11:49,757 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:11:49,757 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:11:49,757 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:11:49,758 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:11:49,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:11:49,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:11:49,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:11:49,758 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:11:49,760 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 01:11:49,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:11:49,762 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:11:49,763 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:11:49,764 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:11:49,764 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:11:49,764 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:11:49,764 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:11:49,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:11:49,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:11:49,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:11:49,765 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:11:49,766 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-28 01:11:49,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:11:49,768 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:11:49,770 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:11:49,770 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:11:49,770 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:11:49,770 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:11:49,771 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:11:49,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:11:49,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:11:49,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:11:49,771 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:11:49,773 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 01:11:49,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:11:49,776 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:11:49,781 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:11:49,781 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:11:49,781 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:11:49,781 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 01:11:49,781 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:11:49,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 01:11:49,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:11:49,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 01:11:49,782 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:11:49,847 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-10-28 01:11:49,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:11:49,853 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:11:49,857 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:11:49,857 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 01:11:49,857 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:11:49,857 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 01:11:49,858 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:11:49,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:11:49,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-28 01:11:49,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:11:49,858 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:11:49,862 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-10-28 01:11:49,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:11:49,864 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:11:49,866 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:11:49,866 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 01:11:49,867 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:11:49,867 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 01:11:49,867 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:11:49,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:11:49,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 01:11:49,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:11:49,868 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:11:49,895 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 01:11:49,896 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [541655196] [2020-10-28 01:11:49,898 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 01:11:49,898 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-28 01:11:49,899 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [719601910] [2020-10-28 01:11:49,904 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-28 01:11:49,904 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 01:11:49,918 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-28 01:11:49,919 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-10-28 01:11:49,921 INFO L87 Difference]: Start difference. First operand 233 states. Second operand 10 states. [2020-10-28 01:11:51,550 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2020-10-28 01:11:51,726 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2020-10-28 01:11:51,982 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-28 01:11:52,231 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2020-10-28 01:11:55,213 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 01:11:55,213 INFO L93 Difference]: Finished difference Result 581 states and 923 transitions. [2020-10-28 01:11:55,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-28 01:11:55,216 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 121 [2020-10-28 01:11:55,217 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 01:11:55,236 INFO L225 Difference]: With dead ends: 581 [2020-10-28 01:11:55,237 INFO L226 Difference]: Without dead ends: 359 [2020-10-28 01:11:55,247 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=91, Invalid=251, Unknown=0, NotChecked=0, Total=342 [2020-10-28 01:11:55,270 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 359 states. [2020-10-28 01:11:55,376 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 359 to 226. [2020-10-28 01:11:55,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 226 states. [2020-10-28 01:11:55,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 226 states and 311 transitions. [2020-10-28 01:11:55,383 INFO L78 Accepts]: Start accepts. Automaton has 226 states and 311 transitions. Word has length 121 [2020-10-28 01:11:55,383 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 01:11:55,384 INFO L481 AbstractCegarLoop]: Abstraction has 226 states and 311 transitions. [2020-10-28 01:11:55,384 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-28 01:11:55,384 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 311 transitions. [2020-10-28 01:11:55,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2020-10-28 01:11:55,388 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 01:11:55,388 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 01:11:55,389 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-28 01:11:55,389 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 01:11:55,390 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 01:11:55,390 INFO L82 PathProgramCache]: Analyzing trace with hash -1667291847, now seen corresponding path program 1 times [2020-10-28 01:11:55,390 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 01:11:55,390 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [698482076] [2020-10-28 01:11:55,391 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 01:11:55,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:11:55,433 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:11:55,458 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:11:55,528 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:11:55,560 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:11:55,706 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:11:56,130 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:11:56,183 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:11:56,258 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:11:56,277 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:11:56,513 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:11:56,553 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:11:56,589 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:11:56,621 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:11:56,654 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:11:56,684 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:11:58,206 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:12:00,428 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:12:00,428 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 161 [2020-10-28 01:12:00,428 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 16 [2020-10-28 01:12:00,428 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5006 [2020-10-28 01:12:00,429 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:12:00,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 01:12:00,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 82 [2020-10-28 01:12:00,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 01:12:00,429 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:12:00,576 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-10-28 01:12:00,578 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 01:12:00,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:12:00,590 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:12:00,601 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:12:00,602 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 01:12:00,602 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:12:00,602 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-28 01:12:00,602 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:12:00,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:12:00,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:12:00,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:12:00,603 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:12:00,621 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 01:12:00,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:12:00,624 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:12:00,626 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:12:00,626 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 01:12:00,627 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:12:00,627 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 01:12:00,627 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:12:00,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:12:00,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:12:00,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:12:00,628 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 01:12:00,630 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 01:12:00,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:12:00,631 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:12:00,632 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:12:00,632 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 01:12:00,632 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:12:00,632 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 01:12:00,632 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:12:00,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:12:00,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:12:00,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:12:00,633 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:12:00,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 01:12:00,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:12:00,655 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:12:00,658 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:12:00,658 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-28 01:12:00,658 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:12:00,658 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 01:12:00,659 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:12:00,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:12:00,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:12:00,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:12:00,659 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:12:00,689 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-28 01:12:00,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:12:00,692 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:12:00,700 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:12:00,700 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 01:12:00,700 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:12:00,701 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 01:12:00,701 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:12:00,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:12:00,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:12:00,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:12:00,701 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:12:00,704 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-28 01:12:00,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:12:00,717 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:12:00,761 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:12:00,761 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-10-28 01:12:00,761 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:12:00,761 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 47 [2020-10-28 01:12:00,761 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:12:00,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 01:12:00,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 30 [2020-10-28 01:12:00,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 01:12:00,762 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:12:00,810 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 01:12:00,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:12:00,811 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:12:00,817 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:12:00,817 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:12:00,817 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:12:00,818 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 01:12:00,818 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:12:00,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:12:00,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:12:00,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:12:00,818 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:12:00,822 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 01:12:00,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:12:00,824 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:12:00,826 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:12:00,826 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:12:00,827 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:12:00,827 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:12:00,828 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:12:00,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:12:00,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:12:00,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:12:00,828 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:12:00,831 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 01:12:00,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:12:00,834 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:12:00,841 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:12:00,841 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:12:00,841 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:12:00,841 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 01:12:00,841 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:12:00,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 01:12:00,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:12:00,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 01:12:00,843 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:12:00,893 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-28 01:12:00,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:12:00,895 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:12:00,897 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:12:00,897 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:12:00,897 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:12:00,897 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 01:12:00,897 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:12:00,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:12:00,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-28 01:12:00,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:12:00,898 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:12:00,900 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 01:12:00,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:12:00,909 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:12:00,931 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:12:00,932 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:12:00,932 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:12:00,932 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-28 01:12:00,932 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:12:00,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:12:00,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-28 01:12:00,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:12:00,933 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:12:00,936 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-10-28 01:12:00,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:12:00,943 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:12:00,954 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:12:00,955 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 01:12:00,955 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:12:00,955 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-28 01:12:00,955 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:12:00,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:12:00,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-28 01:12:00,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:12:00,956 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:12:00,960 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-10-28 01:12:00,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:12:00,963 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:12:00,965 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:12:00,965 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 01:12:00,965 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:12:00,965 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:12:00,965 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:12:00,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:12:00,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 01:12:00,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:12:00,966 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:12:00,991 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 01:12:00,992 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [698482076] [2020-10-28 01:12:00,993 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 01:12:00,993 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-28 01:12:00,993 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1588711897] [2020-10-28 01:12:00,995 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-28 01:12:00,995 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 01:12:00,996 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-28 01:12:00,996 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-10-28 01:12:00,996 INFO L87 Difference]: Start difference. First operand 226 states and 311 transitions. Second operand 10 states. [2020-10-28 01:12:01,963 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2020-10-28 01:12:02,128 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2020-10-28 01:12:02,287 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2020-10-28 01:12:02,513 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-28 01:12:05,385 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 01:12:05,386 INFO L93 Difference]: Finished difference Result 577 states and 864 transitions. [2020-10-28 01:12:05,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-28 01:12:05,386 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 121 [2020-10-28 01:12:05,387 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 01:12:05,393 INFO L225 Difference]: With dead ends: 577 [2020-10-28 01:12:05,393 INFO L226 Difference]: Without dead ends: 374 [2020-10-28 01:12:05,395 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=91, Invalid=251, Unknown=0, NotChecked=0, Total=342 [2020-10-28 01:12:05,397 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 374 states. [2020-10-28 01:12:05,447 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 374 to 231. [2020-10-28 01:12:05,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 231 states. [2020-10-28 01:12:05,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 231 states and 316 transitions. [2020-10-28 01:12:05,450 INFO L78 Accepts]: Start accepts. Automaton has 231 states and 316 transitions. Word has length 121 [2020-10-28 01:12:05,450 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 01:12:05,451 INFO L481 AbstractCegarLoop]: Abstraction has 231 states and 316 transitions. [2020-10-28 01:12:05,451 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-28 01:12:05,451 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 316 transitions. [2020-10-28 01:12:05,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2020-10-28 01:12:05,456 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 01:12:05,456 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 01:12:05,456 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-28 01:12:05,456 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 01:12:05,457 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 01:12:05,457 INFO L82 PathProgramCache]: Analyzing trace with hash -1233562761, now seen corresponding path program 1 times [2020-10-28 01:12:05,457 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 01:12:05,457 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [335264056] [2020-10-28 01:12:05,458 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 01:12:05,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:12:05,489 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:12:05,510 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:12:05,570 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:12:05,643 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:12:05,778 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:12:05,822 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:12:05,846 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:12:05,862 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:12:05,886 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:12:05,929 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:12:05,945 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:12:05,960 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:12:05,975 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:12:05,990 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:12:07,123 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:12:09,685 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:12:09,780 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:12:09,823 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:12:10,487 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:12:10,488 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 161 [2020-10-28 01:12:10,488 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 18 [2020-10-28 01:12:10,488 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5010 [2020-10-28 01:12:10,488 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:12:10,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:12:10,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 137 [2020-10-28 01:12:10,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 01:12:10,489 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:12:10,690 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-10-28 01:12:10,691 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 01:12:10,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:12:10,703 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:12:10,711 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:12:10,712 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 01:12:10,712 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:12:10,712 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-28 01:12:10,712 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:12:10,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:12:10,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:12:10,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:12:10,713 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:12:10,730 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 01:12:10,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:12:10,733 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:12:10,734 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:12:10,734 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 01:12:10,734 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:12:10,734 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:12:10,735 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:12:10,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:12:10,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:12:10,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:12:10,735 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:12:10,736 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 01:12:10,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:12:10,738 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:12:10,738 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:12:10,739 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 01:12:10,739 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:12:10,739 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 01:12:10,739 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:12:10,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:12:10,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:12:10,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:12:10,740 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:12:10,756 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 01:12:10,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:12:10,759 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:12:10,761 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:12:10,761 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-28 01:12:10,761 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:12:10,761 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 01:12:10,761 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:12:10,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:12:10,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:12:10,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:12:10,762 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:12:10,790 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-28 01:12:10,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:12:10,794 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:12:10,797 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:12:10,798 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 01:12:10,798 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:12:10,798 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 01:12:10,798 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:12:10,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:12:10,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:12:10,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:12:10,799 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:12:10,801 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-28 01:12:10,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:12:10,805 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:12:10,813 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:12:10,813 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-10-28 01:12:10,813 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:12:10,813 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 01:12:10,813 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:12:10,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:12:10,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:12:10,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:12:10,814 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:12:10,819 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 01:12:10,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:12:10,821 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:12:10,822 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:12:10,822 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:12:10,823 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:12:10,823 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:12:10,823 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:12:10,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:12:10,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:12:10,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:12:10,823 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:12:10,825 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 01:12:10,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:12:10,826 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:12:10,828 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:12:10,828 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:12:10,828 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:12:10,828 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:12:10,829 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:12:10,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:12:10,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:12:10,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:12:10,829 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:12:10,831 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 01:12:10,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:12:10,832 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:12:10,833 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:12:10,833 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:12:10,833 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:12:10,834 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:12:10,834 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:12:10,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:12:10,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:12:10,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:12:10,834 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:12:10,836 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-28 01:12:10,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:12:10,837 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:12:10,839 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:12:10,839 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:12:10,839 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:12:10,839 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:12:10,839 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:12:10,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:12:10,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:12:10,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:12:10,840 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:12:10,841 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 01:12:10,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:12:10,843 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:12:10,844 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:12:10,844 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:12:10,844 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:12:10,844 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:12:10,845 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:12:10,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:12:10,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:12:10,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:12:10,845 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:12:10,848 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-10-28 01:12:10,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:12:10,851 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:12:10,855 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:12:10,855 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 01:12:10,855 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:12:10,855 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 01:12:10,856 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:12:10,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:12:10,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:12:10,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:12:10,856 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:12:10,859 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-10-28 01:12:10,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:12:10,862 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:12:10,864 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:12:10,865 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 01:12:10,865 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:12:10,865 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 01:12:10,865 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:12:10,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:12:10,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:12:10,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-28 01:12:10,866 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:12:10,886 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 01:12:10,887 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [335264056] [2020-10-28 01:12:10,887 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 01:12:10,887 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-28 01:12:10,888 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1335605832] [2020-10-28 01:12:10,888 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-28 01:12:10,888 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 01:12:10,889 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-28 01:12:10,889 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-28 01:12:10,889 INFO L87 Difference]: Start difference. First operand 231 states and 316 transitions. Second operand 7 states. [2020-10-28 01:12:11,047 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 105 [2020-10-28 01:12:15,661 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 01:12:15,661 INFO L93 Difference]: Finished difference Result 894 states and 1355 transitions. [2020-10-28 01:12:15,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-28 01:12:15,662 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 121 [2020-10-28 01:12:15,663 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 01:12:15,671 INFO L225 Difference]: With dead ends: 894 [2020-10-28 01:12:15,672 INFO L226 Difference]: Without dead ends: 687 [2020-10-28 01:12:15,673 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=60, Invalid=122, Unknown=0, NotChecked=0, Total=182 [2020-10-28 01:12:15,675 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 687 states. [2020-10-28 01:12:15,805 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 687 to 474. [2020-10-28 01:12:15,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 474 states. [2020-10-28 01:12:15,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 474 states to 474 states and 677 transitions. [2020-10-28 01:12:15,814 INFO L78 Accepts]: Start accepts. Automaton has 474 states and 677 transitions. Word has length 121 [2020-10-28 01:12:15,816 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 01:12:15,816 INFO L481 AbstractCegarLoop]: Abstraction has 474 states and 677 transitions. [2020-10-28 01:12:15,816 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-28 01:12:15,816 INFO L276 IsEmpty]: Start isEmpty. Operand 474 states and 677 transitions. [2020-10-28 01:12:15,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2020-10-28 01:12:15,821 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 01:12:15,822 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 01:12:15,822 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-28 01:12:15,822 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 01:12:15,823 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 01:12:15,823 INFO L82 PathProgramCache]: Analyzing trace with hash 871121772, now seen corresponding path program 1 times [2020-10-28 01:12:15,823 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 01:12:15,824 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1329969415] [2020-10-28 01:12:15,824 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 01:12:15,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:12:15,854 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:12:15,874 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:12:15,931 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:12:15,979 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:12:16,057 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:12:16,138 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:12:16,180 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:12:16,638 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:12:16,681 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:12:16,734 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:12:16,765 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:12:16,794 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:12:16,837 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:12:18,051 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:12:18,940 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:12:20,857 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:12:20,873 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:12:20,873 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 162 [2020-10-28 01:12:20,873 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 16 [2020-10-28 01:12:20,873 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5026 [2020-10-28 01:12:20,874 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:12:20,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 01:12:20,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 71 [2020-10-28 01:12:20,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 50 [2020-10-28 01:12:20,874 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:12:21,013 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-10-28 01:12:21,014 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 01:12:21,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:12:21,020 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:12:21,026 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:12:21,026 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 01:12:21,026 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:12:21,026 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 01:12:21,026 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:12:21,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:12:21,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:12:21,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:12:21,027 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:12:21,045 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 01:12:21,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:12:21,048 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:12:21,053 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:12:21,053 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 01:12:21,053 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:12:21,054 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 01:12:21,054 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:12:21,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:12:21,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:12:21,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:12:21,055 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:12:21,059 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 01:12:21,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:12:21,061 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:12:21,061 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:12:21,062 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 01:12:21,062 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:12:21,062 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:12:21,062 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:12:21,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:12:21,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:12:21,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:12:21,065 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-28 01:12:21,092 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 01:12:21,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:12:21,095 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:12:21,098 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:12:21,098 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-28 01:12:21,099 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:12:21,099 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 01:12:21,099 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:12:21,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:12:21,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:12:21,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:12:21,100 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:12:21,140 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-28 01:12:21,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:12:21,144 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:12:21,148 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:12:21,149 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 01:12:21,149 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:12:21,149 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 01:12:21,150 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:12:21,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:12:21,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:12:21,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:12:21,154 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-28 01:12:21,158 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-28 01:12:21,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:12:21,166 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:12:21,181 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:12:21,182 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-10-28 01:12:21,182 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:12:21,182 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-28 01:12:21,182 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:12:21,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:12:21,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:12:21,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-28 01:12:21,183 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:12:21,193 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 01:12:21,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:12:21,195 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:12:21,197 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:12:21,197 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:12:21,197 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:12:21,198 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 01:12:21,198 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:12:21,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:12:21,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:12:21,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:12:21,199 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:12:21,200 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 01:12:21,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:12:21,203 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:12:21,206 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:12:21,207 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:12:21,207 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:12:21,207 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 01:12:21,207 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:12:21,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:12:21,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:12:21,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 01:12:21,208 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:12:21,216 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 01:12:21,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:12:21,221 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:12:21,224 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:12:21,224 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:12:21,225 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:12:21,225 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 01:12:21,225 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:12:21,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:12:21,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:12:21,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 01:12:21,226 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:12:21,228 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-28 01:12:21,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:12:21,231 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:12:21,235 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:12:21,235 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:12:21,235 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:12:21,235 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 01:12:21,236 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:12:21,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:12:21,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:12:21,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 01:12:21,236 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:12:21,238 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 01:12:21,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:12:21,240 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:12:21,242 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:12:21,242 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:12:21,242 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:12:21,242 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 01:12:21,243 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:12:21,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:12:21,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:12:21,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 01:12:21,243 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:12:21,247 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-10-28 01:12:21,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:12:21,280 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:12:21,297 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:12:21,298 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 01:12:21,298 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:12:21,298 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-28 01:12:21,298 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:12:21,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 01:12:21,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 01:12:21,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-28 01:12:21,299 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:12:21,368 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-10-28 01:12:21,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:12:21,371 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:12:21,378 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:12:21,379 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 01:12:21,379 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:12:21,382 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 01:12:21,382 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:12:21,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:12:21,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 01:12:21,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:12:21,383 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:12:21,423 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 01:12:21,423 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1329969415] [2020-10-28 01:12:21,423 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 01:12:21,424 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-28 01:12:21,424 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2085665384] [2020-10-28 01:12:21,425 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-28 01:12:21,425 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 01:12:21,426 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-28 01:12:21,426 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-10-28 01:12:21,427 INFO L87 Difference]: Start difference. First operand 474 states and 677 transitions. Second operand 9 states. [2020-10-28 01:12:22,150 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 105 [2020-10-28 01:12:22,487 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-28 01:12:30,556 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 01:12:30,556 INFO L93 Difference]: Finished difference Result 2404 states and 4160 transitions. [2020-10-28 01:12:30,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-10-28 01:12:30,557 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 122 [2020-10-28 01:12:30,557 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 01:12:30,584 INFO L225 Difference]: With dead ends: 2404 [2020-10-28 01:12:30,585 INFO L226 Difference]: Without dead ends: 1961 [2020-10-28 01:12:30,591 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 129 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=178, Invalid=472, Unknown=0, NotChecked=0, Total=650 [2020-10-28 01:12:30,594 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1961 states. [2020-10-28 01:12:30,879 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1961 to 1489. [2020-10-28 01:12:30,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1489 states. [2020-10-28 01:12:30,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1489 states to 1489 states and 2362 transitions. [2020-10-28 01:12:30,894 INFO L78 Accepts]: Start accepts. Automaton has 1489 states and 2362 transitions. Word has length 122 [2020-10-28 01:12:30,895 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 01:12:30,895 INFO L481 AbstractCegarLoop]: Abstraction has 1489 states and 2362 transitions. [2020-10-28 01:12:30,895 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-28 01:12:30,895 INFO L276 IsEmpty]: Start isEmpty. Operand 1489 states and 2362 transitions. [2020-10-28 01:12:30,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2020-10-28 01:12:30,907 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 01:12:30,908 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 01:12:30,908 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-28 01:12:30,908 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 01:12:30,909 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 01:12:30,909 INFO L82 PathProgramCache]: Analyzing trace with hash 336134770, now seen corresponding path program 1 times [2020-10-28 01:12:30,909 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 01:12:30,909 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [192994717] [2020-10-28 01:12:30,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 01:12:30,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:12:30,938 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:12:30,960 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:12:31,017 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:12:31,052 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:12:31,117 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:12:31,138 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:12:31,261 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:12:31,286 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:12:31,307 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:12:31,326 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:12:31,347 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:12:31,368 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:12:32,253 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:12:32,474 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:12:34,047 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:12:35,938 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:12:35,939 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 162 [2020-10-28 01:12:35,939 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 15 [2020-10-28 01:12:35,939 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5008 [2020-10-28 01:12:35,939 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:12:35,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 01:12:35,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 76 [2020-10-28 01:12:35,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 70 [2020-10-28 01:12:35,940 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:12:36,102 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-10-28 01:12:36,103 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 01:12:36,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:12:36,112 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:12:36,119 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:12:36,119 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 01:12:36,119 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:12:36,120 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 01:12:36,120 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:12:36,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:12:36,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:12:36,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:12:36,120 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:12:36,139 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 01:12:36,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:12:36,142 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:12:36,143 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:12:36,143 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 01:12:36,143 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:12:36,144 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:12:36,144 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:12:36,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:12:36,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:12:36,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:12:36,144 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:12:36,146 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 01:12:36,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:12:36,149 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:12:36,149 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:12:36,149 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 01:12:36,150 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:12:36,150 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 01:12:36,150 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:12:36,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:12:36,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:12:36,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:12:36,151 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:12:36,168 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 01:12:36,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:12:36,171 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:12:36,173 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:12:36,174 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-28 01:12:36,174 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:12:36,174 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 01:12:36,174 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:12:36,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:12:36,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:12:36,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:12:36,175 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:12:36,203 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-28 01:12:36,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:12:36,206 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:12:36,210 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:12:36,210 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 01:12:36,210 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:12:36,211 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 01:12:36,211 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:12:36,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:12:36,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:12:36,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:12:36,211 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:12:36,214 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-28 01:12:36,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:12:36,223 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:12:36,236 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:12:36,237 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-10-28 01:12:36,237 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:12:36,237 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-28 01:12:36,237 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:12:36,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:12:36,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:12:36,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-28 01:12:36,238 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:12:36,249 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 01:12:36,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:12:36,252 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:12:36,253 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:12:36,253 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:12:36,254 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:12:36,254 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 01:12:36,254 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:12:36,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:12:36,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:12:36,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:12:36,254 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:12:36,258 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 01:12:36,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:12:36,259 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:12:36,260 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:12:36,261 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:12:36,261 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:12:36,261 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:12:36,261 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:12:36,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:12:36,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:12:36,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:12:36,262 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:12:36,263 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 01:12:36,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:12:36,265 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:12:36,266 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:12:36,267 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:12:36,267 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:12:36,267 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 01:12:36,267 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:12:36,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:12:36,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:12:36,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 01:12:36,268 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:12:36,269 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-28 01:12:36,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:12:36,272 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:12:36,274 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:12:36,274 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:12:36,274 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:12:36,274 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 01:12:36,275 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:12:36,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:12:36,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:12:36,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 01:12:36,275 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:12:36,276 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 01:12:36,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:12:36,278 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:12:36,282 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:12:36,282 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:12:36,282 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:12:36,282 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 01:12:36,283 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:12:36,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:12:36,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:12:36,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 01:12:36,283 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:12:36,286 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-10-28 01:12:36,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:12:36,299 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:12:36,305 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:12:36,305 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 01:12:36,306 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:12:36,306 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-28 01:12:36,306 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:12:36,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:12:36,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:12:36,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-28 01:12:36,306 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:12:36,309 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-10-28 01:12:36,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:12:36,312 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:12:36,314 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:12:36,314 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 01:12:36,314 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:12:36,314 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 01:12:36,314 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:12:36,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:12:36,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:12:36,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 01:12:36,315 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:12:36,336 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 01:12:36,336 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [192994717] [2020-10-28 01:12:36,337 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 01:12:36,337 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-28 01:12:36,337 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [499365996] [2020-10-28 01:12:36,337 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-28 01:12:36,338 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 01:12:36,338 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-28 01:12:36,338 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-28 01:12:36,338 INFO L87 Difference]: Start difference. First operand 1489 states and 2362 transitions. Second operand 7 states. [2020-10-28 01:12:36,469 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 105 [2020-10-28 01:12:41,495 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 01:12:41,496 INFO L93 Difference]: Finished difference Result 4962 states and 8318 transitions. [2020-10-28 01:12:41,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-28 01:12:41,497 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 122 [2020-10-28 01:12:41,497 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 01:12:41,528 INFO L225 Difference]: With dead ends: 4962 [2020-10-28 01:12:41,529 INFO L226 Difference]: Without dead ends: 3516 [2020-10-28 01:12:41,540 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=60, Invalid=122, Unknown=0, NotChecked=0, Total=182 [2020-10-28 01:12:41,544 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3516 states. [2020-10-28 01:12:41,937 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3516 to 2946. [2020-10-28 01:12:41,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2946 states. [2020-10-28 01:12:41,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2946 states to 2946 states and 4926 transitions. [2020-10-28 01:12:41,959 INFO L78 Accepts]: Start accepts. Automaton has 2946 states and 4926 transitions. Word has length 122 [2020-10-28 01:12:41,959 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 01:12:41,959 INFO L481 AbstractCegarLoop]: Abstraction has 2946 states and 4926 transitions. [2020-10-28 01:12:41,959 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-28 01:12:41,960 INFO L276 IsEmpty]: Start isEmpty. Operand 2946 states and 4926 transitions. [2020-10-28 01:12:41,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2020-10-28 01:12:41,969 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 01:12:41,969 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 01:12:41,969 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-28 01:12:41,969 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 01:12:41,970 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 01:12:41,970 INFO L82 PathProgramCache]: Analyzing trace with hash -403096914, now seen corresponding path program 1 times [2020-10-28 01:12:41,970 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 01:12:41,970 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [162882819] [2020-10-28 01:12:41,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 01:12:41,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:12:41,993 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:12:42,010 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:12:42,043 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:12:42,126 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:12:42,174 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:12:42,213 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:12:42,363 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:12:42,385 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:12:42,417 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:12:42,475 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:12:42,544 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:12:42,654 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:12:42,692 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:12:42,816 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:12:42,972 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:12:43,094 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:12:43,208 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:12:47,024 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:12:47,024 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 162 [2020-10-28 01:12:47,024 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 17 [2020-10-28 01:12:47,024 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5038 [2020-10-28 01:12:47,025 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:12:47,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 01:12:47,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 71 [2020-10-28 01:12:47,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 01:12:47,026 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 01:12:47,150 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 01:12:47,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:12:47,154 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:12:47,159 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:12:47,160 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 01:12:47,160 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:12:47,160 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 01:12:47,160 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:12:47,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:12:47,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:12:47,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:12:47,161 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:12:47,193 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 01:12:47,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:12:47,195 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:12:47,198 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:12:47,198 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 01:12:47,198 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:12:47,198 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 01:12:47,198 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:12:47,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:12:47,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:12:47,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:12:47,199 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:12:47,200 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 01:12:47,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:12:47,201 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:12:47,201 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:12:47,202 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 01:12:47,202 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:12:47,202 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 01:12:47,202 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:12:47,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:12:47,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:12:47,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:12:47,202 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:12:47,217 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 01:12:47,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:12:47,219 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:12:47,221 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:12:47,221 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-28 01:12:47,221 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:12:47,221 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 01:12:47,221 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:12:47,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:12:47,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:12:47,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:12:47,222 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:12:47,247 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-28 01:12:47,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:12:47,250 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:12:47,260 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:12:47,260 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 01:12:47,260 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:12:47,260 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-28 01:12:47,260 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:12:47,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:12:47,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:12:47,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:12:47,261 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:12:47,263 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-28 01:12:47,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:12:47,275 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:12:47,301 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:12:47,301 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-10-28 01:12:47,301 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:12:47,301 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-10-28 01:12:47,301 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:12:47,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 01:12:47,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-10-28 01:12:47,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 01:12:47,302 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:12:47,324 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 01:12:47,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:12:47,326 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:12:47,327 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:12:47,328 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:12:47,328 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:12:47,329 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:12:47,329 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:12:47,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:12:47,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:12:47,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:12:47,329 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:12:47,332 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 01:12:47,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:12:47,334 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:12:47,337 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:12:47,338 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:12:47,338 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:12:47,338 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 01:12:47,338 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:12:47,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 01:12:47,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:12:47,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 01:12:47,338 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:12:47,380 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 01:12:47,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:12:47,382 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:12:47,383 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:12:47,383 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:12:47,383 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:12:47,383 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:12:47,384 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:12:47,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:12:47,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-28 01:12:47,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:12:47,385 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 01:12:47,386 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-28 01:12:47,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:12:47,389 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:12:47,390 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:12:47,390 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:12:47,390 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:12:47,390 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 01:12:47,391 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:12:47,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:12:47,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-28 01:12:47,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:12:47,391 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:12:47,392 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 01:12:47,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:12:47,394 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:12:47,395 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:12:47,395 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:12:47,395 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:12:47,396 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:12:47,396 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:12:47,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:12:47,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-28 01:12:47,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:12:47,396 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:12:47,400 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-10-28 01:12:47,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:12:47,405 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:12:47,409 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:12:47,411 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 01:12:47,412 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:12:47,412 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 01:12:47,412 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:12:47,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:12:47,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-28 01:12:47,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:12:47,413 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:12:47,416 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-10-28 01:12:47,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:12:47,424 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:12:47,426 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:12:47,426 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 01:12:47,426 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:12:47,426 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 01:12:47,426 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:12:47,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:12:47,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 01:12:47,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:12:47,427 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:12:47,448 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 01:12:47,448 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [162882819] [2020-10-28 01:12:47,450 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 01:12:47,450 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-28 01:12:47,450 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [732968040] [2020-10-28 01:12:47,450 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-28 01:12:47,451 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 01:12:47,451 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-28 01:12:47,451 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-10-28 01:12:47,451 INFO L87 Difference]: Start difference. First operand 2946 states and 4926 transitions. Second operand 10 states. [2020-10-28 01:12:48,184 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2020-10-28 01:12:48,361 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2020-10-28 01:12:48,580 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-28 01:12:48,782 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-28 01:12:52,009 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 01:12:52,010 INFO L93 Difference]: Finished difference Result 5855 states and 10001 transitions. [2020-10-28 01:12:52,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-28 01:12:52,011 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 122 [2020-10-28 01:12:52,011 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 01:12:52,042 INFO L225 Difference]: With dead ends: 5855 [2020-10-28 01:12:52,042 INFO L226 Difference]: Without dead ends: 3556 [2020-10-28 01:12:52,061 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=91, Invalid=251, Unknown=0, NotChecked=0, Total=342 [2020-10-28 01:12:52,065 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3556 states. [2020-10-28 01:12:52,472 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3556 to 3028. [2020-10-28 01:12:52,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3028 states. [2020-10-28 01:12:52,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3028 states to 3028 states and 5017 transitions. [2020-10-28 01:12:52,489 INFO L78 Accepts]: Start accepts. Automaton has 3028 states and 5017 transitions. Word has length 122 [2020-10-28 01:12:52,489 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 01:12:52,489 INFO L481 AbstractCegarLoop]: Abstraction has 3028 states and 5017 transitions. [2020-10-28 01:12:52,489 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-28 01:12:52,489 INFO L276 IsEmpty]: Start isEmpty. Operand 3028 states and 5017 transitions. [2020-10-28 01:12:52,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2020-10-28 01:12:52,500 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 01:12:52,500 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 01:12:52,500 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-28 01:12:52,500 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 01:12:52,501 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 01:12:52,501 INFO L82 PathProgramCache]: Analyzing trace with hash -454263795, now seen corresponding path program 1 times [2020-10-28 01:12:52,501 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 01:12:52,502 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1357606605] [2020-10-28 01:12:52,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 01:12:52,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:12:52,524 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:12:52,542 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:12:52,598 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:12:52,635 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:12:52,696 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:12:52,770 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:12:52,789 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:12:52,809 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:12:52,828 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:12:52,846 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:12:52,862 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:12:53,513 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:12:56,138 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:12:56,198 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:12:56,249 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:12:56,985 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:12:57,029 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:12:57,520 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:12:57,520 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 162 [2020-10-28 01:12:57,520 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 17 [2020-10-28 01:12:57,520 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-28 01:12:57,520 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:12:57,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 01:12:57,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 103 [2020-10-28 01:12:57,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 52 [2020-10-28 01:12:57,520 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:12:57,667 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-10-28 01:12:57,668 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 01:12:57,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:12:57,674 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:12:57,678 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:12:57,678 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 01:12:57,678 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:12:57,679 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 01:12:57,679 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:12:57,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:12:57,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:12:57,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:12:57,679 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:12:57,700 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 01:12:57,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:12:57,703 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:12:57,704 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:12:57,704 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 01:12:57,705 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:12:57,705 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:12:57,705 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:12:57,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:12:57,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:12:57,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:12:57,705 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:12:57,706 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 01:12:57,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:12:57,708 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:12:57,708 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:12:57,708 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 01:12:57,708 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:12:57,708 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 01:12:57,709 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:12:57,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:12:57,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:12:57,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:12:57,709 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:12:57,730 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 01:12:57,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:12:57,733 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:12:57,735 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:12:57,735 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-28 01:12:57,735 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:12:57,735 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 01:12:57,735 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:12:57,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:12:57,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:12:57,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:12:57,736 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:12:57,763 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-28 01:12:57,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:12:57,765 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:12:57,768 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:12:57,768 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 01:12:57,768 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:12:57,768 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 01:12:57,769 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:12:57,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:12:57,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:12:57,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:12:57,769 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:12:57,771 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-28 01:12:57,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:12:57,778 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:12:57,786 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:12:57,787 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-10-28 01:12:57,787 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:12:57,787 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-28 01:12:57,787 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:12:57,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:12:57,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:12:57,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 51 [2020-10-28 01:12:57,787 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:12:57,792 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 01:12:57,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:12:57,794 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:12:57,795 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:12:57,795 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:12:57,795 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:12:57,795 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:12:57,795 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:12:57,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:12:57,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:12:57,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:12:57,796 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:12:57,796 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 01:12:57,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:12:57,798 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:12:57,798 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:12:57,799 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:12:57,799 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:12:57,799 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:12:57,799 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:12:57,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:12:57,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:12:57,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:12:57,799 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:12:57,800 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 01:12:57,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:12:57,801 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:12:57,802 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:12:57,802 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:12:57,802 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:12:57,802 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:12:57,803 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:12:57,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:12:57,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:12:57,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:12:57,803 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:12:57,804 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-28 01:12:57,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:12:57,805 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:12:57,806 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:12:57,807 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:12:57,807 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:12:57,807 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:12:57,807 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:12:57,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:12:57,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:12:57,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:12:57,807 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:12:57,809 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 01:12:57,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:12:57,810 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:12:57,812 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:12:57,812 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:12:57,812 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:12:57,812 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:12:57,812 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:12:57,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:12:57,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:12:57,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-28 01:12:57,813 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:12:57,821 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-10-28 01:12:57,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:12:57,825 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:12:57,829 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:12:57,829 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 01:12:57,829 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:12:57,829 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 01:12:57,830 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:12:57,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:12:57,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:12:57,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-28 01:12:57,830 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:12:57,832 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-10-28 01:12:57,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:12:57,834 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:12:57,836 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:12:57,836 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 01:12:57,836 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:12:57,837 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 01:12:57,837 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:12:57,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:12:57,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:12:57,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 01:12:57,837 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:12:57,853 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 01:12:57,854 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1357606605] [2020-10-28 01:12:57,854 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 01:12:57,854 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-28 01:12:57,854 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [199716938] [2020-10-28 01:12:57,855 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-28 01:12:57,855 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 01:12:57,855 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-28 01:12:57,855 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-28 01:12:57,855 INFO L87 Difference]: Start difference. First operand 3028 states and 5017 transitions. Second operand 7 states. [2020-10-28 01:12:58,013 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-28 01:13:03,376 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 01:13:03,377 INFO L93 Difference]: Finished difference Result 9810 states and 18207 transitions. [2020-10-28 01:13:03,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-28 01:13:03,377 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 122 [2020-10-28 01:13:03,378 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 01:13:03,432 INFO L225 Difference]: With dead ends: 9810 [2020-10-28 01:13:03,432 INFO L226 Difference]: Without dead ends: 6835 [2020-10-28 01:13:03,460 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 32 SyntacticMatches, 2 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=60, Invalid=122, Unknown=0, NotChecked=0, Total=182 [2020-10-28 01:13:03,467 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6835 states. [2020-10-28 01:13:04,332 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6835 to 5917. [2020-10-28 01:13:04,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5917 states. [2020-10-28 01:13:04,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5917 states to 5917 states and 10619 transitions. [2020-10-28 01:13:04,376 INFO L78 Accepts]: Start accepts. Automaton has 5917 states and 10619 transitions. Word has length 122 [2020-10-28 01:13:04,377 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 01:13:04,377 INFO L481 AbstractCegarLoop]: Abstraction has 5917 states and 10619 transitions. [2020-10-28 01:13:04,377 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-28 01:13:04,377 INFO L276 IsEmpty]: Start isEmpty. Operand 5917 states and 10619 transitions. [2020-10-28 01:13:04,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2020-10-28 01:13:04,397 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 01:13:04,398 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 01:13:04,399 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-28 01:13:04,399 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 01:13:04,399 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 01:13:04,399 INFO L82 PathProgramCache]: Analyzing trace with hash -610045003, now seen corresponding path program 1 times [2020-10-28 01:13:04,400 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 01:13:04,400 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [260375726] [2020-10-28 01:13:04,400 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 01:13:04,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:13:04,427 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:13:04,457 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:13:04,505 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:13:04,676 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:13:04,842 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:13:05,386 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:13:05,415 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:13:05,439 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:13:05,552 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:13:05,571 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:13:05,581 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:13:05,612 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:13:05,635 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:13:05,666 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:13:05,724 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:13:05,746 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:13:05,774 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:13:05,805 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:13:05,832 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:13:09,424 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:13:09,424 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 197 [2020-10-28 01:13:09,424 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 19 [2020-10-28 01:13:09,424 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5004 [2020-10-28 01:13:09,424 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:13:09,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 01:13:09,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 98 [2020-10-28 01:13:09,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 59 [2020-10-28 01:13:09,425 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:13:09,576 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-10-28 01:13:09,577 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 01:13:09,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:13:09,583 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:13:09,588 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:13:09,588 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 01:13:09,588 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:13:09,588 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 01:13:09,588 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:13:09,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:13:09,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:13:09,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:13:09,589 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:13:09,610 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 01:13:09,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:13:09,613 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:13:09,614 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:13:09,614 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 01:13:09,614 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:13:09,615 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:13:09,615 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:13:09,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:13:09,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:13:09,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:13:09,615 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:13:09,616 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 01:13:09,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:13:09,617 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:13:09,617 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:13:09,617 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 01:13:09,617 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:13:09,617 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 01:13:09,617 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:13:09,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:13:09,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:13:09,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:13:09,618 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:13:09,637 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 01:13:09,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:13:09,639 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:13:09,641 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:13:09,641 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-28 01:13:09,641 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:13:09,641 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:13:09,641 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:13:09,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:13:09,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:13:09,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:13:09,642 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:13:09,675 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-28 01:13:09,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:13:09,677 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:13:09,680 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:13:09,680 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 01:13:09,680 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:13:09,680 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 01:13:09,680 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:13:09,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:13:09,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:13:09,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:13:09,681 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:13:09,683 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-28 01:13:09,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:13:09,691 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:13:09,703 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:13:09,703 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-10-28 01:13:09,704 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:13:09,704 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-28 01:13:09,704 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:13:09,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:13:09,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:13:09,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 46 [2020-10-28 01:13:09,704 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:13:09,709 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 01:13:09,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:13:09,710 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:13:09,711 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:13:09,712 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:13:09,712 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:13:09,712 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:13:09,712 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:13:09,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:13:09,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:13:09,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:13:09,713 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:13:09,714 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 01:13:09,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:13:09,715 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:13:09,716 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:13:09,716 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:13:09,716 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:13:09,716 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:13:09,717 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:13:09,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:13:09,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:13:09,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:13:09,717 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:13:09,718 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 01:13:09,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:13:09,720 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:13:09,721 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:13:09,721 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:13:09,721 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:13:09,721 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:13:09,721 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:13:09,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:13:09,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:13:09,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:13:09,722 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:13:09,723 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-28 01:13:09,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:13:09,724 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:13:09,725 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:13:09,725 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:13:09,725 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:13:09,725 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:13:09,726 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:13:09,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:13:09,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:13:09,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:13:09,726 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:13:09,727 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 01:13:09,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:13:09,729 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:13:09,731 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:13:09,731 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:13:09,731 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:13:09,731 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 01:13:09,731 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:13:09,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:13:09,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:13:09,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 01:13:09,732 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:13:09,735 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-10-28 01:13:09,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:13:09,739 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:13:09,746 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:13:09,746 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 01:13:09,746 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:13:09,746 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 01:13:09,746 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:13:09,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:13:09,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:13:09,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-28 01:13:09,747 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:13:09,750 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-10-28 01:13:09,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:13:09,752 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:13:09,754 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:13:09,754 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 01:13:09,754 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:13:09,755 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 01:13:09,755 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:13:09,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:13:09,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:13:09,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 01:13:09,755 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:13:09,782 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2020-10-28 01:13:09,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:13:09,786 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:13:09,792 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:13:09,793 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 01:13:09,793 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:13:09,793 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 01:13:09,793 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:13:09,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 01:13:09,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 01:13:09,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-28 01:13:09,793 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:13:09,856 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-10-28 01:13:09,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:13:09,859 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:13:09,861 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:13:09,861 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 01:13:09,861 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:13:09,861 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 01:13:09,861 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:13:09,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:13:09,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 01:13:09,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:13:09,862 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:13:09,863 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-10-28 01:13:09,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:13:09,865 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:13:09,866 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:13:09,866 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 01:13:09,866 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:13:09,866 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:13:09,867 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:13:09,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:13:09,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 01:13:09,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:13:09,867 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:13:09,889 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-10-28 01:13:09,889 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [260375726] [2020-10-28 01:13:09,889 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 01:13:09,889 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-28 01:13:09,890 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1673533840] [2020-10-28 01:13:09,890 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-28 01:13:09,890 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 01:13:09,890 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-28 01:13:09,891 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2020-10-28 01:13:09,891 INFO L87 Difference]: Start difference. First operand 5917 states and 10619 transitions. Second operand 10 states. [2020-10-28 01:13:10,043 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 105 [2020-10-28 01:13:19,950 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 01:13:19,951 INFO L93 Difference]: Finished difference Result 23443 states and 53442 transitions. [2020-10-28 01:13:19,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-10-28 01:13:19,951 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 151 [2020-10-28 01:13:19,952 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 01:13:20,243 INFO L225 Difference]: With dead ends: 23443 [2020-10-28 01:13:20,244 INFO L226 Difference]: Without dead ends: 17595 [2020-10-28 01:13:20,303 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 158 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=207, Invalid=495, Unknown=0, NotChecked=0, Total=702 [2020-10-28 01:13:20,322 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17595 states. [2020-10-28 01:13:22,340 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17595 to 13947. [2020-10-28 01:13:22,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13947 states. [2020-10-28 01:13:22,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13947 states to 13947 states and 32463 transitions. [2020-10-28 01:13:22,634 INFO L78 Accepts]: Start accepts. Automaton has 13947 states and 32463 transitions. Word has length 151 [2020-10-28 01:13:22,635 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 01:13:22,635 INFO L481 AbstractCegarLoop]: Abstraction has 13947 states and 32463 transitions. [2020-10-28 01:13:22,635 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-28 01:13:22,635 INFO L276 IsEmpty]: Start isEmpty. Operand 13947 states and 32463 transitions. [2020-10-28 01:13:22,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2020-10-28 01:13:22,681 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 01:13:22,682 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 01:13:22,682 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-28 01:13:22,682 INFO L429 AbstractCegarLoop]: === Iteration 9 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 01:13:22,682 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 01:13:22,683 INFO L82 PathProgramCache]: Analyzing trace with hash -1698426317, now seen corresponding path program 1 times [2020-10-28 01:13:22,683 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 01:13:22,683 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [154961829] [2020-10-28 01:13:22,683 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 01:13:22,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:13:22,821 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:13:22,849 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:13:22,902 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:13:23,014 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:13:23,201 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:13:23,233 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:13:23,265 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:13:23,285 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:13:23,312 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:13:23,356 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:13:23,414 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:13:23,470 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:13:23,525 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:13:23,814 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:13:23,875 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:13:23,941 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:13:24,006 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:13:24,065 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:13:25,183 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:13:27,805 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:13:27,806 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 197 [2020-10-28 01:13:27,806 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 19 [2020-10-28 01:13:27,806 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-28 01:13:27,806 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:13:27,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 01:13:27,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 93 [2020-10-28 01:13:27,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 01:13:27,806 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:13:27,940 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-10-28 01:13:27,941 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 01:13:27,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:13:27,945 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:13:27,949 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:13:27,949 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 01:13:27,949 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:13:27,949 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 01:13:27,949 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:13:27,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:13:27,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:13:27,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:13:27,950 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:13:27,968 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 01:13:27,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:13:27,970 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:13:27,971 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:13:27,971 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 01:13:27,972 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:13:27,972 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:13:27,972 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:13:27,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:13:27,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:13:27,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:13:27,972 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:13:27,973 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 01:13:27,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:13:27,974 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:13:27,975 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:13:27,975 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 01:13:27,975 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:13:27,975 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 01:13:27,975 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:13:27,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:13:27,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:13:27,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:13:27,975 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:13:27,992 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 01:13:27,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:13:27,994 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:13:27,996 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:13:27,996 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-28 01:13:27,997 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:13:27,997 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 01:13:27,997 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:13:27,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:13:27,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:13:27,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:13:27,997 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:13:28,028 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-28 01:13:28,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:13:28,031 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:13:28,033 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:13:28,033 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 01:13:28,033 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:13:28,033 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 01:13:28,033 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:13:28,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:13:28,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:13:28,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:13:28,034 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:13:28,035 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-28 01:13:28,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:13:28,043 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:13:28,065 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:13:28,065 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-10-28 01:13:28,066 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:13:28,066 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-28 01:13:28,066 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:13:28,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 01:13:28,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 41 [2020-10-28 01:13:28,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 01:13:28,066 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:13:28,086 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 01:13:28,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:13:28,088 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:13:28,089 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:13:28,089 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:13:28,089 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:13:28,089 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:13:28,090 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:13:28,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:13:28,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:13:28,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:13:28,090 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:13:28,091 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 01:13:28,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:13:28,092 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:13:28,093 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:13:28,093 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:13:28,093 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:13:28,093 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:13:28,093 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:13:28,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:13:28,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:13:28,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:13:28,094 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:13:28,095 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 01:13:28,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:13:28,096 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:13:28,097 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:13:28,097 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:13:28,097 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:13:28,097 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:13:28,097 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:13:28,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:13:28,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:13:28,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:13:28,098 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:13:28,099 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-28 01:13:28,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:13:28,100 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:13:28,102 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:13:28,103 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:13:28,103 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:13:28,103 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 01:13:28,103 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:13:28,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 01:13:28,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:13:28,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 01:13:28,103 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:13:28,127 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 01:13:28,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:13:28,129 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:13:28,130 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:13:28,130 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:13:28,130 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:13:28,130 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:13:28,131 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:13:28,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:13:28,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-28 01:13:28,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:13:28,131 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:13:28,133 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-10-28 01:13:28,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:13:28,136 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:13:28,139 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:13:28,139 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 01:13:28,139 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:13:28,140 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 01:13:28,140 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:13:28,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:13:28,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-28 01:13:28,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:13:28,140 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:13:28,142 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-10-28 01:13:28,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:13:28,143 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:13:28,144 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:13:28,144 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 01:13:28,144 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:13:28,144 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:13:28,144 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:13:28,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:13:28,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 01:13:28,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:13:28,145 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:13:28,179 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2020-10-28 01:13:28,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:13:28,182 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:13:28,184 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:13:28,184 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 01:13:28,184 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:13:28,184 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 01:13:28,184 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:13:28,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:13:28,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 01:13:28,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:13:28,185 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:13:28,208 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-10-28 01:13:28,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:13:28,211 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:13:28,212 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:13:28,212 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 01:13:28,212 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:13:28,212 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:13:28,212 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:13:28,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:13:28,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 01:13:28,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:13:28,212 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:13:28,213 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-10-28 01:13:28,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:13:28,214 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:13:28,215 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:13:28,215 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 01:13:28,215 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:13:28,215 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 01:13:28,215 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:13:28,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:13:28,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 01:13:28,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:13:28,216 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:13:28,235 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2020-10-28 01:13:28,235 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [154961829] [2020-10-28 01:13:28,236 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 01:13:28,236 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-28 01:13:28,236 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [84804095] [2020-10-28 01:13:28,236 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-28 01:13:28,236 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 01:13:28,237 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-28 01:13:28,237 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2020-10-28 01:13:28,237 INFO L87 Difference]: Start difference. First operand 13947 states and 32463 transitions. Second operand 12 states. [2020-10-28 01:13:29,523 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-28 01:13:29,686 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2020-10-28 01:13:29,929 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-28 01:13:30,150 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-28 01:13:35,338 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 01:13:35,338 INFO L93 Difference]: Finished difference Result 32065 states and 86298 transitions. [2020-10-28 01:13:35,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-10-28 01:13:35,338 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 151 [2020-10-28 01:13:35,339 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 01:13:35,484 INFO L225 Difference]: With dead ends: 32065 [2020-10-28 01:13:35,485 INFO L226 Difference]: Without dead ends: 18199 [2020-10-28 01:13:35,629 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 78 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=158, Invalid=442, Unknown=0, NotChecked=0, Total=600 [2020-10-28 01:13:35,650 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18199 states. [2020-10-28 01:13:37,643 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18199 to 14195. [2020-10-28 01:13:37,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14195 states. [2020-10-28 01:13:37,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14195 states to 14195 states and 32791 transitions. [2020-10-28 01:13:37,753 INFO L78 Accepts]: Start accepts. Automaton has 14195 states and 32791 transitions. Word has length 151 [2020-10-28 01:13:37,754 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 01:13:37,754 INFO L481 AbstractCegarLoop]: Abstraction has 14195 states and 32791 transitions. [2020-10-28 01:13:37,754 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-28 01:13:37,754 INFO L276 IsEmpty]: Start isEmpty. Operand 14195 states and 32791 transitions. [2020-10-28 01:13:37,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2020-10-28 01:13:37,794 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 01:13:37,794 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 01:13:37,795 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-28 01:13:37,795 INFO L429 AbstractCegarLoop]: === Iteration 10 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 01:13:37,795 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 01:13:37,795 INFO L82 PathProgramCache]: Analyzing trace with hash -398962205, now seen corresponding path program 1 times [2020-10-28 01:13:37,795 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 01:13:37,795 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1882685931] [2020-10-28 01:13:37,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 01:13:37,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:13:37,817 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:13:37,837 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:13:37,887 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:13:37,997 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:13:38,259 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:13:38,271 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:13:38,281 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:13:38,291 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:13:38,300 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:13:38,310 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:13:38,319 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:13:38,358 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:13:40,262 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:13:42,817 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:13:42,817 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 188 [2020-10-28 01:13:42,817 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 13 [2020-10-28 01:13:42,817 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5006 [2020-10-28 01:13:42,817 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:13:42,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 01:13:42,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 32 [2020-10-28 01:13:42,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 115 [2020-10-28 01:13:42,818 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:13:42,947 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-10-28 01:13:42,948 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 01:13:42,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:13:42,953 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:13:42,956 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:13:42,956 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 01:13:42,956 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:13:42,956 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 01:13:42,956 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:13:42,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:13:42,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:13:42,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:13:42,956 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:13:42,975 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 01:13:42,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:13:42,977 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:13:42,978 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:13:42,978 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 01:13:42,978 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:13:42,979 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:13:42,979 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:13:42,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:13:42,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:13:42,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:13:42,979 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:13:42,980 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 01:13:42,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:13:42,980 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:13:42,981 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:13:42,981 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 01:13:42,981 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:13:42,981 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 01:13:42,981 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:13:42,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:13:42,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:13:42,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:13:42,981 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:13:42,999 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 01:13:43,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:13:43,003 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:13:43,006 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:13:43,007 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-28 01:13:43,007 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:13:43,007 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 01:13:43,007 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:13:43,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:13:43,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:13:43,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 01:13:43,007 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:13:43,037 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-28 01:13:43,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:13:43,041 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:13:43,045 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:13:43,045 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 01:13:43,045 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:13:43,045 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 01:13:43,045 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:13:43,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:13:43,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:13:43,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-28 01:13:43,046 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:13:43,047 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-28 01:13:43,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:13:43,054 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:13:43,071 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:13:43,071 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-10-28 01:13:43,071 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:13:43,071 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-28 01:13:43,071 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:13:43,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 01:13:43,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 01:13:43,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 63 [2020-10-28 01:13:43,072 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:13:43,119 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 01:13:43,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:13:43,122 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:13:43,127 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:13:43,127 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:13:43,127 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:13:43,127 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 01:13:43,127 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:13:43,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:13:43,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:13:43,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 01:13:43,128 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:13:43,129 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 01:13:43,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:13:43,132 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:13:43,137 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:13:43,137 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:13:43,137 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:13:43,137 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 01:13:43,137 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:13:43,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:13:43,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:13:43,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 01:13:43,138 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:13:43,140 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 01:13:43,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:13:43,142 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:13:43,145 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:13:43,146 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:13:43,146 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:13:43,146 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 01:13:43,146 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:13:43,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:13:43,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:13:43,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 01:13:43,146 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:13:43,148 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-28 01:13:43,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:13:43,149 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:13:43,152 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:13:43,152 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:13:43,152 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:13:43,152 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 01:13:43,152 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:13:43,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:13:43,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:13:43,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 01:13:43,153 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:13:43,154 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 01:13:43,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:13:43,156 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:13:43,160 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:13:43,160 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:13:43,161 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:13:43,161 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 01:13:43,161 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:13:43,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:13:43,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:13:43,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 01:13:43,161 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:13:43,167 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-10-28 01:13:43,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:13:43,171 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:13:43,175 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:13:43,175 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 01:13:43,175 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:13:43,175 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 01:13:43,176 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:13:43,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:13:43,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:13:43,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-28 01:13:43,176 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:13:43,178 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-10-28 01:13:43,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:13:43,179 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:13:43,181 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:13:43,181 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 01:13:43,181 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:13:43,181 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 01:13:43,182 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:13:43,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:13:43,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:13:43,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 01:13:43,182 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:13:43,205 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2020-10-28 01:13:43,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:13:43,207 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:13:43,208 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:13:43,208 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 01:13:43,208 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:13:43,208 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:13:43,208 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:13:43,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:13:43,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 01:13:43,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:13:43,209 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:13:43,213 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-10-28 01:13:43,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:13:43,215 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:13:43,216 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:13:43,216 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 01:13:43,216 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:13:43,216 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:13:43,217 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:13:43,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:13:43,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 01:13:43,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:13:43,217 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:13:43,244 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-10-28 01:13:43,244 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1882685931] [2020-10-28 01:13:43,244 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 01:13:43,244 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-28 01:13:43,244 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1760198903] [2020-10-28 01:13:43,245 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-28 01:13:43,245 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 01:13:43,245 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-28 01:13:43,246 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2020-10-28 01:13:43,246 INFO L87 Difference]: Start difference. First operand 14195 states and 32791 transitions. Second operand 9 states. [2020-10-28 01:13:43,400 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 105 [2020-10-28 01:13:54,158 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 01:13:54,159 INFO L93 Difference]: Finished difference Result 51979 states and 146659 transitions. [2020-10-28 01:13:54,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-10-28 01:13:54,159 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 144 [2020-10-28 01:13:54,160 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 01:13:54,786 INFO L225 Difference]: With dead ends: 51979 [2020-10-28 01:13:54,786 INFO L226 Difference]: Without dead ends: 37897 [2020-10-28 01:13:55,007 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 111 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=170, Invalid=382, Unknown=0, NotChecked=0, Total=552 [2020-10-28 01:13:55,043 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37897 states. [2020-10-28 01:13:59,683 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37897 to 30623. [2020-10-28 01:13:59,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30623 states. [2020-10-28 01:14:00,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30623 states to 30623 states and 84431 transitions. [2020-10-28 01:14:00,340 INFO L78 Accepts]: Start accepts. Automaton has 30623 states and 84431 transitions. Word has length 144 [2020-10-28 01:14:00,341 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 01:14:00,341 INFO L481 AbstractCegarLoop]: Abstraction has 30623 states and 84431 transitions. [2020-10-28 01:14:00,341 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-28 01:14:00,341 INFO L276 IsEmpty]: Start isEmpty. Operand 30623 states and 84431 transitions. [2020-10-28 01:14:00,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2020-10-28 01:14:00,422 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 01:14:00,423 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 01:14:00,423 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-28 01:14:00,423 INFO L429 AbstractCegarLoop]: === Iteration 11 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 01:14:00,423 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 01:14:00,423 INFO L82 PathProgramCache]: Analyzing trace with hash -382351263, now seen corresponding path program 1 times [2020-10-28 01:14:00,424 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 01:14:00,424 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1169403549] [2020-10-28 01:14:00,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 01:14:00,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:14:00,450 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:00,469 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:00,494 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:00,511 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:00,547 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:00,605 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:00,873 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:00,902 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:00,923 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:00,942 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:00,963 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:00,981 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:00,995 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:01,446 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:03,715 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:05,446 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:14:05,446 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 188 [2020-10-28 01:14:05,446 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 15 [2020-10-28 01:14:05,446 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5005 [2020-10-28 01:14:05,446 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:14:05,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 01:14:05,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 60 [2020-10-28 01:14:05,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 01:14:05,447 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:14:05,585 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-10-28 01:14:05,586 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 01:14:05,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:14:05,593 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:05,597 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:14:05,597 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 01:14:05,598 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:14:05,598 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 01:14:05,598 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:14:05,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:14:05,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:14:05,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:14:05,598 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:14:05,619 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 01:14:05,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:14:05,622 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:05,623 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:14:05,623 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 01:14:05,623 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:14:05,623 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:14:05,623 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:14:05,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:14:05,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:14:05,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:14:05,623 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:14:05,624 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 01:14:05,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:14:05,625 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:05,626 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:14:05,626 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 01:14:05,626 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:14:05,626 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 01:14:05,626 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:14:05,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:14:05,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:14:05,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:14:05,627 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:14:05,649 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 01:14:05,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:14:05,651 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:05,653 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:14:05,653 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-28 01:14:05,653 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:14:05,653 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:14:05,653 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:14:05,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:14:05,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:14:05,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:14:05,653 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:14:05,689 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-28 01:14:05,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:14:05,691 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:05,693 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:14:05,694 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 01:14:05,694 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:14:05,694 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 01:14:05,694 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:14:05,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:14:05,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:14:05,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:14:05,695 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:14:05,696 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-28 01:14:05,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:14:05,703 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:05,721 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:14:05,721 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-10-28 01:14:05,721 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:14:05,721 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-28 01:14:05,721 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:14:05,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 01:14:05,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-28 01:14:05,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 01:14:05,722 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:14:05,745 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 01:14:05,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:14:05,748 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:05,751 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:14:05,752 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:14:05,752 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:14:05,752 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 01:14:05,752 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:14:05,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 01:14:05,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:14:05,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 01:14:05,753 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:14:05,781 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 01:14:05,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:14:05,782 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:05,783 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:14:05,784 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:14:05,784 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:14:05,784 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:14:05,784 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:14:05,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:14:05,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-28 01:14:05,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:14:05,784 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:14:05,785 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 01:14:05,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:14:05,787 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:05,788 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:14:05,788 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:14:05,788 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:14:05,788 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:14:05,789 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:14:05,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:14:05,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-28 01:14:05,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:14:05,789 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:14:05,790 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-28 01:14:05,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:14:05,792 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:05,793 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:14:05,793 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:14:05,793 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:14:05,793 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:14:05,794 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:14:05,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:14:05,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-28 01:14:05,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:14:05,794 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:14:05,795 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 01:14:05,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:14:05,797 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:05,798 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:14:05,798 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:14:05,798 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:14:05,798 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:14:05,798 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:14:05,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:14:05,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-28 01:14:05,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:14:05,799 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:14:05,802 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-10-28 01:14:05,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:14:05,806 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:05,808 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:14:05,808 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 01:14:05,808 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:14:05,809 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 01:14:05,809 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:14:05,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:14:05,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-28 01:14:05,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:14:05,809 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:14:05,811 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-10-28 01:14:05,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:14:05,812 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:05,813 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:14:05,813 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 01:14:05,813 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:14:05,813 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:14:05,813 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:14:05,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:14:05,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 01:14:05,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:14:05,813 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:14:05,833 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2020-10-28 01:14:05,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:14:05,835 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:05,836 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:14:05,837 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 01:14:05,837 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:14:05,837 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:14:05,837 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:14:05,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:14:05,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 01:14:05,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:14:05,837 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:14:05,838 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-10-28 01:14:05,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:14:05,840 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:05,840 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:14:05,840 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 01:14:05,840 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:14:05,840 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:14:05,841 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:14:05,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:14:05,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 01:14:05,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:14:05,841 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:14:05,857 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2020-10-28 01:14:05,857 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1169403549] [2020-10-28 01:14:05,857 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 01:14:05,857 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-28 01:14:05,857 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [464862810] [2020-10-28 01:14:05,858 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-28 01:14:05,858 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 01:14:05,858 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-28 01:14:05,859 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2020-10-28 01:14:05,859 INFO L87 Difference]: Start difference. First operand 30623 states and 84431 transitions. Second operand 11 states. [2020-10-28 01:14:06,768 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-28 01:14:06,934 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2020-10-28 01:14:07,092 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-28 01:14:07,243 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-28 01:14:16,058 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 01:14:16,058 INFO L93 Difference]: Finished difference Result 70187 states and 231866 transitions. [2020-10-28 01:14:16,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-28 01:14:16,059 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 144 [2020-10-28 01:14:16,059 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 01:14:16,512 INFO L225 Difference]: With dead ends: 70187 [2020-10-28 01:14:16,512 INFO L226 Difference]: Without dead ends: 39705 [2020-10-28 01:14:17,064 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=126, Invalid=336, Unknown=0, NotChecked=0, Total=462 [2020-10-28 01:14:17,095 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39705 states. [2020-10-28 01:14:22,182 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39705 to 31103. [2020-10-28 01:14:22,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31103 states. [2020-10-28 01:14:22,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31103 states to 31103 states and 84911 transitions. [2020-10-28 01:14:22,586 INFO L78 Accepts]: Start accepts. Automaton has 31103 states and 84911 transitions. Word has length 144 [2020-10-28 01:14:22,586 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 01:14:22,586 INFO L481 AbstractCegarLoop]: Abstraction has 31103 states and 84911 transitions. [2020-10-28 01:14:22,586 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-28 01:14:22,587 INFO L276 IsEmpty]: Start isEmpty. Operand 31103 states and 84911 transitions. [2020-10-28 01:14:22,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2020-10-28 01:14:22,661 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 01:14:22,662 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 01:14:22,662 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-28 01:14:22,663 INFO L429 AbstractCegarLoop]: === Iteration 12 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 01:14:22,663 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 01:14:22,663 INFO L82 PathProgramCache]: Analyzing trace with hash -828620511, now seen corresponding path program 1 times [2020-10-28 01:14:22,663 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 01:14:22,663 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1153491840] [2020-10-28 01:14:22,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 01:14:22,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:14:22,689 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:22,706 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:22,778 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:22,796 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:22,817 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:22,892 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:22,915 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:22,933 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:22,947 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:22,962 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:23,471 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:24,527 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:24,547 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:26,295 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:27,684 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:14:27,685 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 188 [2020-10-28 01:14:27,685 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 14 [2020-10-28 01:14:27,685 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-28 01:14:27,685 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:14:27,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:14:27,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 155 [2020-10-28 01:14:27,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-28 01:14:27,686 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:14:27,835 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-10-28 01:14:27,836 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 01:14:27,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:14:27,841 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:27,844 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:14:27,845 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 01:14:27,845 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:14:27,845 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 01:14:27,845 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:14:27,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:14:27,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:14:27,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:14:27,845 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:14:27,863 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 01:14:27,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:14:27,866 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:27,867 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:14:27,867 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 01:14:27,867 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:14:27,867 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:14:27,867 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:14:27,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:14:27,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:14:27,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:14:27,868 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:14:27,868 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 01:14:27,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:14:27,869 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:27,870 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:14:27,870 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 01:14:27,870 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:14:27,870 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 01:14:27,870 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:14:27,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:14:27,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:14:27,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:14:27,870 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:14:27,888 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 01:14:27,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:14:27,890 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:27,892 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:14:27,892 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-28 01:14:27,892 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:14:27,892 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 01:14:27,892 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:14:27,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:14:27,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:14:27,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:14:27,893 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:14:27,926 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-28 01:14:27,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:14:27,929 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:27,932 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:14:27,932 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 01:14:27,932 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:14:27,932 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 01:14:27,932 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:14:27,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:14:27,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:14:27,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:14:27,932 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:14:27,934 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-28 01:14:27,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:14:27,937 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:27,942 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:14:27,942 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-10-28 01:14:27,942 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:14:27,942 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 01:14:27,942 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:14:27,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:14:27,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:14:27,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:14:27,943 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:14:27,946 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 01:14:27,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:14:27,948 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:27,949 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:14:27,949 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:14:27,949 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:14:27,949 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:14:27,949 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:14:27,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:14:27,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:14:27,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:14:27,950 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:14:27,951 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 01:14:27,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:14:27,952 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:27,953 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:14:27,953 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:14:27,953 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:14:27,953 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:14:27,954 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:14:27,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:14:27,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:14:27,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:14:27,954 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:14:27,955 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 01:14:27,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:14:27,956 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:27,957 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:14:27,957 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:14:27,958 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:14:27,958 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:14:27,958 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:14:27,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:14:27,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:14:27,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:14:27,958 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:14:27,959 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-28 01:14:27,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:14:27,960 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:27,961 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:14:27,962 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:14:27,962 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:14:27,962 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:14:27,962 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:14:27,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:14:27,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:14:27,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:14:27,962 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:14:27,963 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 01:14:27,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:14:27,965 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:27,966 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:14:27,966 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:14:27,966 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:14:27,966 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:14:27,966 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:14:27,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:14:27,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:14:27,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:14:27,967 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:14:27,969 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-10-28 01:14:27,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:14:27,971 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:27,974 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:14:27,975 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 01:14:27,975 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:14:27,975 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 01:14:27,975 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:14:27,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:14:27,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:14:27,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:14:27,975 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:14:27,977 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-10-28 01:14:27,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:14:27,979 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:27,980 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:14:27,980 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 01:14:27,980 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:14:27,980 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:14:27,980 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:14:27,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:14:27,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:14:27,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:14:27,981 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:14:27,999 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2020-10-28 01:14:28,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:14:28,002 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:28,004 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:14:28,004 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 01:14:28,004 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:14:28,004 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 01:14:28,004 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:14:28,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:14:28,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:14:28,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 01:14:28,005 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:14:28,018 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-10-28 01:14:28,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:14:28,021 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:28,024 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:14:28,025 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 01:14:28,025 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:14:28,025 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 01:14:28,025 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:14:28,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:14:28,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:14:28,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 01:14:28,026 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:14:28,050 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-10-28 01:14:28,051 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1153491840] [2020-10-28 01:14:28,051 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 01:14:28,051 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-28 01:14:28,051 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1454410625] [2020-10-28 01:14:28,052 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-28 01:14:28,052 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 01:14:28,052 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-28 01:14:28,052 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-28 01:14:28,052 INFO L87 Difference]: Start difference. First operand 31103 states and 84911 transitions. Second operand 8 states. [2020-10-28 01:14:28,545 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 105 [2020-10-28 01:14:42,206 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 01:14:42,207 INFO L93 Difference]: Finished difference Result 102875 states and 323711 transitions. [2020-10-28 01:14:42,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-28 01:14:42,208 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 144 [2020-10-28 01:14:42,208 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 01:14:42,902 INFO L225 Difference]: With dead ends: 102875 [2020-10-28 01:14:42,902 INFO L226 Difference]: Without dead ends: 55039 [2020-10-28 01:14:43,909 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=106, Invalid=236, Unknown=0, NotChecked=0, Total=342 [2020-10-28 01:14:43,961 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55039 states. [2020-10-28 01:14:51,358 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55039 to 50055. [2020-10-28 01:14:51,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 50055 states. [2020-10-28 01:14:52,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50055 states to 50055 states and 150579 transitions. [2020-10-28 01:14:52,439 INFO L78 Accepts]: Start accepts. Automaton has 50055 states and 150579 transitions. Word has length 144 [2020-10-28 01:14:52,439 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 01:14:52,439 INFO L481 AbstractCegarLoop]: Abstraction has 50055 states and 150579 transitions. [2020-10-28 01:14:52,439 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-28 01:14:52,439 INFO L276 IsEmpty]: Start isEmpty. Operand 50055 states and 150579 transitions. [2020-10-28 01:14:52,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 354 [2020-10-28 01:14:52,976 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 01:14:52,977 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:14:52,977 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-28 01:14:52,977 INFO L429 AbstractCegarLoop]: === Iteration 13 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 01:14:52,978 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 01:14:52,978 INFO L82 PathProgramCache]: Analyzing trace with hash -1014896320, now seen corresponding path program 1 times [2020-10-28 01:14:52,978 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 01:14:52,978 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1410171092] [2020-10-28 01:14:52,978 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 01:14:52,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:14:53,010 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:53,023 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:53,044 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:53,081 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:53,121 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:53,166 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:53,200 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:53,261 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:53,327 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:53,378 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:53,893 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:53,987 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:58,026 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:14:58,026 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 449 [2020-10-28 01:14:58,026 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 12 [2020-10-28 01:14:58,027 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5022 [2020-10-28 01:14:58,027 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:14:58,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 01:14:58,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 211 [2020-10-28 01:14:58,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 01:14:58,027 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:14:58,163 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-10-28 01:14:58,163 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 01:14:58,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:14:58,169 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:58,172 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:14:58,172 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 01:14:58,172 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:14:58,173 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 01:14:58,173 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:14:58,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:14:58,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:14:58,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:14:58,173 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:14:58,190 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 01:14:58,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:14:58,192 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:58,193 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:14:58,193 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 01:14:58,193 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:14:58,193 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:14:58,193 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:14:58,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:14:58,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:14:58,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:14:58,194 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:14:58,194 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 01:14:58,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:14:58,195 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:58,195 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:14:58,196 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 01:14:58,196 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:14:58,196 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 01:14:58,196 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:14:58,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:14:58,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:14:58,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:14:58,196 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:14:58,213 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 01:14:58,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:14:58,215 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:58,217 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:14:58,217 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-28 01:14:58,217 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:14:58,217 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 01:14:58,217 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:14:58,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:14:58,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:14:58,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:14:58,217 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:14:58,246 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-28 01:14:58,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:14:58,249 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:58,252 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:14:58,252 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 01:14:58,253 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:14:58,253 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 01:14:58,253 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:14:58,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:14:58,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:14:58,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:14:58,253 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:14:58,255 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-28 01:14:58,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:14:58,257 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:58,262 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:14:58,263 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-10-28 01:14:58,263 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:14:58,263 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 01:14:58,263 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:14:58,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:14:58,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:14:58,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:14:58,263 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:14:58,266 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 01:14:58,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:14:58,267 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:58,268 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:14:58,268 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:14:58,268 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:14:58,268 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 01:14:58,268 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:14:58,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:14:58,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:14:58,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:14:58,269 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:14:58,269 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 01:14:58,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:14:58,270 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:58,271 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:14:58,271 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:14:58,271 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:14:58,271 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 01:14:58,271 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:14:58,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:14:58,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:14:58,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:14:58,271 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:14:58,272 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 01:14:58,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:14:58,273 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:58,273 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:14:58,273 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:14:58,273 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:14:58,274 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 01:14:58,274 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:14:58,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:14:58,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:14:58,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:14:58,274 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:14:58,275 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-28 01:14:58,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:14:58,275 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:58,276 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:14:58,276 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:14:58,276 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:14:58,276 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 01:14:58,276 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:14:58,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:14:58,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:14:58,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:14:58,277 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:14:58,277 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 01:14:58,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:14:58,278 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:58,279 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:14:58,279 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:14:58,279 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:14:58,279 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:14:58,279 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:14:58,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:14:58,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:14:58,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:14:58,280 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:14:58,282 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-10-28 01:14:58,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:14:58,283 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:58,285 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:14:58,285 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 01:14:58,285 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:14:58,285 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:14:58,285 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:14:58,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:14:58,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:14:58,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:14:58,286 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:14:58,287 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-10-28 01:14:58,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:14:58,288 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:58,289 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:14:58,289 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 01:14:58,289 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:14:58,289 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 01:14:58,289 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:14:58,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:14:58,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:14:58,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:14:58,289 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:14:58,315 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2020-10-28 01:14:58,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:14:58,321 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:58,322 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:14:58,322 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 01:14:58,323 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:14:58,323 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:14:58,323 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:14:58,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:14:58,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:14:58,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:14:58,323 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:14:58,324 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-10-28 01:14:58,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:14:58,325 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:58,325 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:14:58,326 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 01:14:58,326 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:14:58,326 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 01:14:58,326 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:14:58,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:14:58,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:14:58,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:14:58,338 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 12 [2020-10-28 01:14:58,378 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-10-28 01:14:58,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:14:58,385 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:58,390 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:58,461 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:14:58,461 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-10-28 01:14:58,461 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 01:14:58,461 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 77 [2020-10-28 01:14:58,461 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:14:58,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 01:14:58,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 39 [2020-10-28 01:14:58,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 01:14:58,461 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:14:58,465 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 01:14:58,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:14:58,472 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:58,491 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:14:58,491 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 68 [2020-10-28 01:14:58,491 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:14:58,491 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-28 01:14:58,492 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:14:58,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 01:14:58,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 33 [2020-10-28 01:14:58,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 01:14:58,492 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:14:58,495 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 01:14:58,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:14:58,503 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:58,532 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:14:58,532 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-10-28 01:14:58,533 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:14:58,533 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-10-28 01:14:58,533 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:14:58,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 01:14:58,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 30 [2020-10-28 01:14:58,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 01:14:58,534 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:14:58,566 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 01:14:58,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:14:58,567 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:58,568 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:14:58,569 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:14:58,569 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:14:58,569 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:14:58,569 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:14:58,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:14:58,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:14:58,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:14:58,570 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:14:58,570 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 01:14:58,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:14:58,572 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:58,573 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:14:58,573 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:14:58,573 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:14:58,573 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:14:58,573 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:14:58,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:14:58,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:14:58,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:14:58,574 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:14:58,575 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 01:14:58,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:14:58,577 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:58,580 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:14:58,580 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:14:58,580 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:14:58,581 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 01:14:58,581 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:14:58,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 01:14:58,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:14:58,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 01:14:58,581 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:14:58,610 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-28 01:14:58,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:14:58,612 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:58,613 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:14:58,614 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:14:58,614 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:14:58,614 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:14:58,614 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:14:58,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:14:58,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-28 01:14:58,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:14:58,614 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:14:58,615 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 01:14:58,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:14:58,617 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:58,618 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:14:58,618 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:14:58,618 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:14:58,618 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:14:58,618 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:14:58,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:14:58,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-28 01:14:58,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:14:58,619 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:14:58,661 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2020-10-28 01:14:58,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:14:58,672 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:58,681 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:14:58,681 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-10-28 01:14:58,682 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:14:58,682 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-28 01:14:58,682 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:14:58,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:14:58,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 76 [2020-10-28 01:14:58,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:14:58,682 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:14:58,687 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 01:14:58,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:14:58,691 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:58,696 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:14:58,697 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 68 [2020-10-28 01:14:58,697 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:14:58,697 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 01:14:58,697 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:14:58,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:14:58,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:14:58,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:14:58,698 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:14:58,702 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 01:14:58,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:14:58,705 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:58,711 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:14:58,711 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-10-28 01:14:58,712 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:14:58,712 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 01:14:58,712 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:14:58,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:14:58,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:14:58,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:14:58,712 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:14:58,716 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 01:14:58,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:14:58,717 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:58,718 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:14:58,718 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:14:58,719 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:14:58,719 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:14:58,719 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:14:58,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:14:58,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:14:58,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:14:58,719 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:14:58,720 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 01:14:58,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:14:58,721 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:58,723 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:14:58,723 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:14:58,723 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:14:58,723 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:14:58,723 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:14:58,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:14:58,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:14:58,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:14:58,724 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:14:58,725 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 01:14:58,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:14:58,726 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:58,727 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:14:58,727 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:14:58,727 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:14:58,727 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:14:58,727 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:14:58,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:14:58,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:14:58,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:14:58,728 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:14:58,729 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-28 01:14:58,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:14:58,730 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:58,731 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:14:58,731 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:14:58,731 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:14:58,731 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:14:58,732 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:14:58,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:14:58,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:14:58,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:14:58,732 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:14:58,733 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 01:14:58,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:14:58,734 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:58,735 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:14:58,735 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:14:58,736 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:14:58,736 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:14:58,736 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:14:58,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:14:58,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:14:58,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:14:58,736 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:14:58,767 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2020-10-28 01:14:58,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:14:58,769 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:58,770 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:14:58,770 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 01:14:58,770 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:14:58,770 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:14:58,770 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:14:58,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:14:58,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 01:14:58,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:14:58,771 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:14:58,772 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2020-10-28 01:14:58,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:14:58,774 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:58,775 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:14:58,775 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-28 01:14:58,775 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:14:58,775 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:14:58,776 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:14:58,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:14:58,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-28 01:14:58,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:14:58,776 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:14:58,818 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2020-10-28 01:14:58,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:14:58,829 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:58,841 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:14:58,841 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-10-28 01:14:58,841 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:14:58,841 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-28 01:14:58,842 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:14:58,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:14:58,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 76 [2020-10-28 01:14:58,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:14:58,842 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:14:58,847 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 01:14:58,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:14:58,851 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:58,859 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:14:58,859 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 68 [2020-10-28 01:14:58,859 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:14:58,859 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 01:14:58,859 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:14:58,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:14:58,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:14:58,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:14:58,860 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:14:58,864 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 01:14:58,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:14:58,868 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:58,875 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:14:58,876 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-10-28 01:14:58,876 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:14:58,876 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 01:14:58,876 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:14:58,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:14:58,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:14:58,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:14:58,877 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:14:58,881 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 01:14:58,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:14:58,882 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:58,884 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:14:58,884 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:14:58,884 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:14:58,884 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:14:58,884 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:14:58,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:14:58,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:14:58,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:14:58,885 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:14:58,886 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 01:14:58,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:14:58,887 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:58,889 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:14:58,889 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:14:58,889 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:14:58,889 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:14:58,889 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:14:58,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:14:58,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:14:58,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:14:58,890 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:14:58,891 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 01:14:58,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:14:58,892 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:58,893 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:14:58,893 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:14:58,893 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:14:58,893 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:14:58,894 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:14:58,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:14:58,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:14:58,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:14:58,894 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:14:58,895 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-28 01:14:58,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:14:58,896 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:58,898 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:14:58,898 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:14:58,898 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:14:58,898 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:14:58,898 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:14:58,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:14:58,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:14:58,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:14:58,899 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:14:58,900 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 01:14:58,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:14:58,901 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:58,902 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:14:58,902 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:14:58,902 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:14:58,903 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:14:58,903 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:14:58,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:14:58,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:14:58,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:14:58,903 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:14:59,015 INFO L134 CoverageAnalysis]: Checked inductivity of 327 backedges. 32 proven. 30 refuted. 0 times theorem prover too weak. 265 trivial. 0 not checked. [2020-10-28 01:14:59,015 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1410171092] [2020-10-28 01:14:59,016 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 01:14:59,016 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2020-10-28 01:14:59,016 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1551926543] [2020-10-28 01:14:59,017 INFO L461 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-10-28 01:14:59,017 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 01:14:59,017 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-10-28 01:14:59,018 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=171, Unknown=0, NotChecked=0, Total=210 [2020-10-28 01:14:59,018 INFO L87 Difference]: Start difference. First operand 50055 states and 150579 transitions. Second operand 15 states. [2020-10-28 01:15:01,349 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2020-10-28 01:15:01,515 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2020-10-28 01:15:01,767 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-28 01:15:01,972 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 106