/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=DEEPEST --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf language data_model -i ../../../trunk/examples/svcomp/systemc/token_ring.05.cil-1.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-28 01:04:38,031 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-28 01:04:38,034 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-28 01:04:38,092 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-28 01:04:38,093 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-28 01:04:38,100 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-28 01:04:38,103 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-28 01:04:38,108 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-28 01:04:38,112 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-28 01:04:38,118 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-28 01:04:38,120 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-28 01:04:38,122 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-28 01:04:38,122 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-28 01:04:38,125 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-28 01:04:38,129 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-28 01:04:38,132 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-28 01:04:38,133 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-28 01:04:38,137 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-28 01:04:38,145 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-28 01:04:38,153 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-28 01:04:38,155 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-28 01:04:38,157 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-28 01:04:38,159 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-28 01:04:38,161 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-28 01:04:38,176 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-28 01:04:38,176 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-28 01:04:38,177 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-28 01:04:38,178 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-28 01:04:38,179 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-28 01:04:38,180 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-28 01:04:38,180 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-28 01:04:38,181 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-28 01:04:38,182 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-28 01:04:38,183 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-28 01:04:38,184 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-28 01:04:38,184 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-28 01:04:38,185 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-28 01:04:38,186 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-28 01:04:38,186 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-28 01:04:38,187 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-28 01:04:38,188 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-28 01:04:38,189 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 01:04:38,217 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-28 01:04:38,218 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-28 01:04:38,220 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-28 01:04:38,220 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-28 01:04:38,220 INFO L138 SettingsManager]: * Use SBE=true [2020-10-28 01:04:38,221 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-28 01:04:38,221 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-28 01:04:38,221 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-28 01:04:38,222 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-28 01:04:38,222 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-28 01:04:38,222 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-28 01:04:38,222 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-28 01:04:38,223 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-28 01:04:38,223 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-28 01:04:38,223 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-28 01:04:38,223 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-28 01:04:38,224 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-28 01:04:38,224 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-28 01:04:38,224 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-28 01:04:38,224 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-28 01:04:38,225 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-28 01:04:38,225 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-28 01:04:38,225 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-28 01:04:38,225 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-28 01:04:38,226 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-28 01:04:38,226 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-28 01:04:38,226 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-28 01:04:38,226 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-28 01:04:38,227 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-28 01:04:38,227 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=DEEPEST;log-additional-information=true;unknown-allowed=true; [2020-10-28 01:04:38,599 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-28 01:04:38,634 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-28 01:04:38,638 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-28 01:04:38,640 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-28 01:04:38,640 INFO L275 PluginConnector]: CDTParser initialized [2020-10-28 01:04:38,641 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/systemc/token_ring.05.cil-1.c [2020-10-28 01:04:38,739 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e084525a9/f70c61af3e5c4aa59818c1ac173d967c/FLAGed3d51418 [2020-10-28 01:04:39,462 INFO L306 CDTParser]: Found 1 translation units. [2020-10-28 01:04:39,463 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/systemc/token_ring.05.cil-1.c [2020-10-28 01:04:39,482 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e084525a9/f70c61af3e5c4aa59818c1ac173d967c/FLAGed3d51418 [2020-10-28 01:04:39,784 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e084525a9/f70c61af3e5c4aa59818c1ac173d967c [2020-10-28 01:04:39,790 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-28 01:04:39,803 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-28 01:04:39,807 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-28 01:04:39,807 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-28 01:04:39,811 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-28 01:04:39,812 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 01:04:39" (1/1) ... [2020-10-28 01:04:39,817 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3d92943c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 01:04:39, skipping insertion in model container [2020-10-28 01:04:39,818 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 01:04:39" (1/1) ... [2020-10-28 01:04:39,827 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-28 01:04:39,899 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-28 01:04:40,157 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 01:04:40,171 INFO L203 MainTranslator]: Completed pre-run [2020-10-28 01:04:40,251 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 01:04:40,288 INFO L208 MainTranslator]: Completed translation [2020-10-28 01:04:40,289 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 01:04:40 WrapperNode [2020-10-28 01:04:40,289 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-28 01:04:40,290 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-28 01:04:40,290 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-28 01:04:40,291 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-28 01:04:40,304 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 01:04:40" (1/1) ... [2020-10-28 01:04:40,304 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 01:04:40" (1/1) ... [2020-10-28 01:04:40,316 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 01:04:40" (1/1) ... [2020-10-28 01:04:40,316 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 01:04:40" (1/1) ... [2020-10-28 01:04:40,333 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 01:04:40" (1/1) ... [2020-10-28 01:04:40,349 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 01:04:40" (1/1) ... [2020-10-28 01:04:40,354 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 01:04:40" (1/1) ... [2020-10-28 01:04:40,360 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-28 01:04:40,361 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-28 01:04:40,362 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-28 01:04:40,362 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-28 01:04:40,363 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 01:04:40" (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 01:04:40,447 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-28 01:04:40,447 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-28 01:04:40,448 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-28 01:04:40,449 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2020-10-28 01:04:40,449 INFO L138 BoogieDeclarations]: Found implementation of procedure master [2020-10-28 01:04:40,449 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit1 [2020-10-28 01:04:40,450 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit2 [2020-10-28 01:04:40,450 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit3 [2020-10-28 01:04:40,451 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit4 [2020-10-28 01:04:40,451 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit5 [2020-10-28 01:04:40,453 INFO L138 BoogieDeclarations]: Found implementation of procedure is_master_triggered [2020-10-28 01:04:40,453 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit1_triggered [2020-10-28 01:04:40,453 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit2_triggered [2020-10-28 01:04:40,453 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit3_triggered [2020-10-28 01:04:40,454 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit4_triggered [2020-10-28 01:04:40,454 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit5_triggered [2020-10-28 01:04:40,455 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels [2020-10-28 01:04:40,455 INFO L138 BoogieDeclarations]: Found implementation of procedure init_threads [2020-10-28 01:04:40,455 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2020-10-28 01:04:40,455 INFO L138 BoogieDeclarations]: Found implementation of procedure eval [2020-10-28 01:04:40,456 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events [2020-10-28 01:04:40,456 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events [2020-10-28 01:04:40,456 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads [2020-10-28 01:04:40,456 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2020-10-28 01:04:40,461 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_time_events [2020-10-28 01:04:40,461 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_time_events [2020-10-28 01:04:40,461 INFO L138 BoogieDeclarations]: Found implementation of procedure init_model [2020-10-28 01:04:40,461 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_simulation [2020-10-28 01:04:40,462 INFO L138 BoogieDeclarations]: Found implementation of procedure start_simulation [2020-10-28 01:04:40,462 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-28 01:04:40,462 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-28 01:04:40,462 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-28 01:04:40,462 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-28 01:04:40,462 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-28 01:04:40,463 INFO L130 BoogieDeclarations]: Found specification of procedure error [2020-10-28 01:04:40,463 INFO L130 BoogieDeclarations]: Found specification of procedure is_master_triggered [2020-10-28 01:04:40,463 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit1_triggered [2020-10-28 01:04:40,463 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit2_triggered [2020-10-28 01:04:40,463 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit3_triggered [2020-10-28 01:04:40,463 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit4_triggered [2020-10-28 01:04:40,463 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit5_triggered [2020-10-28 01:04:40,464 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2020-10-28 01:04:40,464 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-28 01:04:40,464 INFO L130 BoogieDeclarations]: Found specification of procedure master [2020-10-28 01:04:40,464 INFO L130 BoogieDeclarations]: Found specification of procedure transmit1 [2020-10-28 01:04:40,464 INFO L130 BoogieDeclarations]: Found specification of procedure transmit2 [2020-10-28 01:04:40,464 INFO L130 BoogieDeclarations]: Found specification of procedure transmit3 [2020-10-28 01:04:40,465 INFO L130 BoogieDeclarations]: Found specification of procedure transmit4 [2020-10-28 01:04:40,465 INFO L130 BoogieDeclarations]: Found specification of procedure transmit5 [2020-10-28 01:04:40,465 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels [2020-10-28 01:04:40,465 INFO L130 BoogieDeclarations]: Found specification of procedure init_threads [2020-10-28 01:04:40,465 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2020-10-28 01:04:40,466 INFO L130 BoogieDeclarations]: Found specification of procedure eval [2020-10-28 01:04:40,466 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events [2020-10-28 01:04:40,466 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events [2020-10-28 01:04:40,467 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads [2020-10-28 01:04:40,467 INFO L130 BoogieDeclarations]: Found specification of procedure fire_time_events [2020-10-28 01:04:40,467 INFO L130 BoogieDeclarations]: Found specification of procedure reset_time_events [2020-10-28 01:04:40,467 INFO L130 BoogieDeclarations]: Found specification of procedure init_model [2020-10-28 01:04:40,468 INFO L130 BoogieDeclarations]: Found specification of procedure stop_simulation [2020-10-28 01:04:40,468 INFO L130 BoogieDeclarations]: Found specification of procedure start_simulation [2020-10-28 01:04:40,468 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-28 01:04:40,468 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-28 01:04:40,468 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-28 01:04:40,468 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-28 01:04:40,468 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-28 01:04:40,469 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-28 01:04:40,469 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-28 01:04:41,482 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-28 01:04:41,482 INFO L298 CfgBuilder]: Removed 8 assume(true) statements. [2020-10-28 01:04:41,485 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 01:04:41 BoogieIcfgContainer [2020-10-28 01:04:41,485 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-28 01:04:41,487 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-28 01:04:41,487 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-28 01:04:41,491 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-28 01:04:41,491 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 01:04:39" (1/3) ... [2020-10-28 01:04:41,492 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@620b8e52 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 01:04:41, skipping insertion in model container [2020-10-28 01:04:41,492 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 01:04:40" (2/3) ... [2020-10-28 01:04:41,493 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@620b8e52 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 01:04:41, skipping insertion in model container [2020-10-28 01:04:41,493 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 01:04:41" (3/3) ... [2020-10-28 01:04:41,495 INFO L111 eAbstractionObserver]: Analyzing ICFG token_ring.05.cil-1.c [2020-10-28 01:04:41,508 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-28 01:04:41,514 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-28 01:04:41,528 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-28 01:04:41,560 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-28 01:04:41,560 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-28 01:04:41,560 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-28 01:04:41,561 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-28 01:04:41,561 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-28 01:04:41,561 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-28 01:04:41,561 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-28 01:04:41,561 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-28 01:04:41,587 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states. [2020-10-28 01:04:41,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2020-10-28 01:04:41,602 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 01:04:41,604 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 01:04:41,604 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 01:04:41,611 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 01:04:41,611 INFO L82 PathProgramCache]: Analyzing trace with hash 1498703385, now seen corresponding path program 1 times [2020-10-28 01:04:41,622 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 01:04:41,622 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1446342938] [2020-10-28 01:04:41,623 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 01:04:41,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:04:42,004 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:42,243 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:42,396 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:42,559 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:42,625 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:42,698 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:42,901 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:43,057 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:43,181 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:43,295 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:43,382 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:43,409 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:43,437 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:43,466 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:46,012 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:46,134 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:46,895 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:04:46,895 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 176 [2020-10-28 01:04:46,896 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 16 [2020-10-28 01:04:46,896 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5027 [2020-10-28 01:04:46,898 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:04:46,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 01:04:46,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 108 [2020-10-28 01:04:46,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 01:04:46,899 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-28 01:04:47,138 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-28 01:04:47,141 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 01:04:47,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:04:47,156 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:47,170 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:04:47,170 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 01:04:47,171 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:04:47,171 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-28 01:04:47,171 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:04:47,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:04:47,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:04:47,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:04:47,173 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-28 01:04:47,203 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 01:04:47,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:04:47,209 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:47,211 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:04:47,212 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 01:04:47,212 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:04:47,212 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 01:04:47,212 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:04:47,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:04:47,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:04:47,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:04:47,213 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:04:47,215 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 01:04:47,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:04:47,218 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:47,219 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:04:47,219 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 01:04:47,219 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:04:47,219 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:04:47,220 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:04:47,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:04:47,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:04:47,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:04:47,220 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:04:47,238 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 01:04:47,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:04:47,242 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:47,246 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:04:47,246 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-28 01:04:47,246 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:04:47,247 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 01:04:47,247 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:04:47,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:04:47,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:04:47,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:04:47,248 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:04:47,283 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-28 01:04:47,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:04:47,287 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:47,293 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:04:47,293 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-28 01:04:47,293 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:04:47,293 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 01:04:47,294 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:04:47,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:04:47,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:04:47,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:04:47,294 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:04:47,299 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-28 01:04:47,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:04:47,317 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:47,329 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:47,491 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:48,104 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:04:48,105 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-28 01:04:48,105 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 01:04:48,105 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 792 [2020-10-28 01:04:48,105 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:04:48,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 01:04:48,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 63 [2020-10-28 01:04:48,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 01:04:48,106 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:04:48,152 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 01:04:48,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:04:48,155 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:48,157 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:04:48,157 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:04:48,157 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:04:48,157 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 01:04:48,157 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:04:48,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:04:48,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:04:48,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:04:48,158 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:04:48,160 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 01:04:48,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:04:48,162 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:48,164 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:04:48,164 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:04:48,165 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:04:48,165 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 01:04:48,165 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:04:48,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:04:48,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:04:48,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:04:48,166 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:04:48,167 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 01:04:48,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:04:48,169 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:48,171 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:04:48,171 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:04:48,171 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:04:48,171 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:04:48,172 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:04:48,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:04:48,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:04:48,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:04:48,172 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:04:48,174 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-28 01:04:48,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:04:48,176 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:48,178 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:04:48,178 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:04:48,179 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:04:48,179 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 01:04:48,179 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:04:48,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:04:48,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:04:48,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:04:48,180 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:04:48,181 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 01:04:48,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:04:48,183 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:48,185 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:04:48,185 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:04:48,185 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:04:48,185 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:04:48,186 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:04:48,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:04:48,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:04:48,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:04:48,186 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:04:48,188 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-28 01:04:48,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:04:48,191 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:48,196 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:04:48,197 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:04:48,197 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:04:48,197 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 01:04:48,197 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:04:48,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 01:04:48,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:04:48,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 01:04:48,198 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:04:48,226 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2020-10-28 01:04:48,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:04:48,233 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:48,239 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:04:48,239 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-28 01:04:48,239 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:04:48,239 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 01:04:48,240 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:04:48,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:04:48,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-28 01:04:48,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:04:48,240 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:04:48,244 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-10-28 01:04:48,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:04:48,247 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:48,249 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:04:48,249 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 01:04:48,249 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:04:48,249 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 01:04:48,250 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:04:48,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:04:48,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 01:04:48,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:04:48,250 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:04:48,295 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 01:04:48,296 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1446342938] [2020-10-28 01:04:48,298 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 01:04:48,298 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-28 01:04:48,299 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1903146322] [2020-10-28 01:04:48,304 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-28 01:04:48,305 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 01:04:48,318 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-28 01:04:48,319 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-10-28 01:04:48,322 INFO L87 Difference]: Start difference. First operand 268 states. Second operand 10 states. [2020-10-28 01:04:49,889 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-28 01:04:50,114 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 132 [2020-10-28 01:04:50,434 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-28 01:04:50,747 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2020-10-28 01:04:54,046 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 01:04:54,047 INFO L93 Difference]: Finished difference Result 675 states and 1085 transitions. [2020-10-28 01:04:54,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-28 01:04:54,049 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 134 [2020-10-28 01:04:54,050 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 01:04:54,083 INFO L225 Difference]: With dead ends: 675 [2020-10-28 01:04:54,084 INFO L226 Difference]: Without dead ends: 419 [2020-10-28 01:04:54,097 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=91, Invalid=251, Unknown=0, NotChecked=0, Total=342 [2020-10-28 01:04:54,114 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 419 states. [2020-10-28 01:04:54,220 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 419 to 261. [2020-10-28 01:04:54,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 261 states. [2020-10-28 01:04:54,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 261 states and 367 transitions. [2020-10-28 01:04:54,226 INFO L78 Accepts]: Start accepts. Automaton has 261 states and 367 transitions. Word has length 134 [2020-10-28 01:04:54,227 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 01:04:54,227 INFO L481 AbstractCegarLoop]: Abstraction has 261 states and 367 transitions. [2020-10-28 01:04:54,227 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-28 01:04:54,228 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 367 transitions. [2020-10-28 01:04:54,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2020-10-28 01:04:54,232 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 01:04:54,232 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 01:04:54,232 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-28 01:04:54,233 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 01:04:54,233 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 01:04:54,233 INFO L82 PathProgramCache]: Analyzing trace with hash 126896087, now seen corresponding path program 1 times [2020-10-28 01:04:54,233 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 01:04:54,234 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [876187257] [2020-10-28 01:04:54,234 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 01:04:54,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:04:54,279 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:54,341 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:54,450 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:54,527 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:54,558 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:54,596 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:54,697 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:54,766 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:54,862 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:54,950 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:55,040 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:55,063 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:55,089 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:55,116 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:57,188 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:57,325 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:59,278 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:04:59,278 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 176 [2020-10-28 01:04:59,278 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 16 [2020-10-28 01:04:59,278 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5011 [2020-10-28 01:04:59,279 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:04:59,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 01:04:59,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 108 [2020-10-28 01:04:59,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 01:04:59,279 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:04:59,494 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-28 01:04:59,495 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 01:04:59,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:04:59,504 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:59,511 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:04:59,511 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 01:04:59,511 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:04:59,511 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 01:04:59,511 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:04:59,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:04:59,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:04:59,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:04:59,512 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:04:59,541 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 01:04:59,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:04:59,546 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:59,548 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:04:59,548 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 01:04:59,548 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:04:59,549 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 01:04:59,550 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:04:59,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:04:59,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:04:59,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:04:59,551 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-28 01:04:59,557 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 01:04:59,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:04:59,559 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:59,560 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:04:59,560 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 01:04:59,560 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:04:59,560 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:04:59,561 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:04:59,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:04:59,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:04:59,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:04:59,565 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-28 01:04:59,602 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 01:04:59,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:04:59,604 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:59,608 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:04:59,609 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-28 01:04:59,609 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:04:59,609 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 01:04:59,609 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:04:59,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:04:59,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:04:59,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:04:59,610 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:04:59,653 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-28 01:04:59,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:04:59,660 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:59,664 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:04:59,664 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-28 01:04:59,664 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:04:59,665 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 01:04:59,665 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:04:59,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:04:59,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:04:59,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:04:59,665 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:04:59,669 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-28 01:04:59,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:04:59,684 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:59,695 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:59,876 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:04:59,876 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-28 01:04:59,877 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 01:04:59,877 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 197 [2020-10-28 01:04:59,877 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:04:59,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 01:04:59,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 52 [2020-10-28 01:04:59,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 01:04:59,877 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:04:59,901 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 01:04:59,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:04:59,903 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:59,905 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:04:59,905 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:04:59,905 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:04:59,905 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 01:04:59,905 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:04:59,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:04:59,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:04:59,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:04:59,906 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:04:59,907 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 01:04:59,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:04:59,909 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:59,910 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:04:59,910 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:04:59,911 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:04:59,911 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:04:59,911 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:04:59,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:04:59,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:04:59,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:04:59,911 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:04:59,913 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 01:04:59,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:04:59,915 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:59,916 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:04:59,916 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:04:59,916 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:04:59,917 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:04:59,917 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:04:59,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:04:59,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:04:59,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:04:59,917 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:04:59,918 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-28 01:04:59,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:04:59,920 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:59,921 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:04:59,922 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:04:59,922 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:04:59,922 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:04:59,922 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:04:59,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:04:59,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:04:59,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:04:59,922 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:04:59,924 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 01:04:59,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:04:59,926 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:59,930 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:04:59,930 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:04:59,930 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:04:59,931 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 01:04:59,931 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:04:59,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 01:04:59,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:04:59,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 01:04:59,931 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:04:59,955 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-28 01:04:59,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:04:59,957 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:59,959 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:04:59,959 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:04:59,959 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:04:59,959 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:04:59,959 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:04:59,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:04:59,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-28 01:04:59,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:04:59,960 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:04:59,967 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2020-10-28 01:04:59,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:04:59,975 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:00,010 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:05:00,010 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-28 01:05:00,010 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:05:00,010 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-10-28 01:05:00,011 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:05:00,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:05:00,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-28 01:05:00,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:05:00,011 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:05:00,015 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-10-28 01:05:00,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:05:00,019 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:00,022 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:05:00,022 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 01:05:00,022 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:05:00,023 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 01:05:00,023 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:05:00,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:05:00,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 01:05:00,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:05:00,023 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:05:00,056 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 01:05:00,058 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [876187257] [2020-10-28 01:05:00,058 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 01:05:00,058 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-28 01:05:00,058 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [745798535] [2020-10-28 01:05:00,061 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-28 01:05:00,061 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 01:05:00,062 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-28 01:05:00,062 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-10-28 01:05:00,062 INFO L87 Difference]: Start difference. First operand 261 states and 367 transitions. Second operand 10 states. [2020-10-28 01:05:01,254 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-28 01:05:01,464 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification that was a NOOP. DAG size: 132 [2020-10-28 01:05:01,766 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-28 01:05:02,057 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-28 01:05:05,428 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 01:05:05,428 INFO L93 Difference]: Finished difference Result 668 states and 1019 transitions. [2020-10-28 01:05:05,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-28 01:05:05,429 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 134 [2020-10-28 01:05:05,430 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 01:05:05,435 INFO L225 Difference]: With dead ends: 668 [2020-10-28 01:05:05,435 INFO L226 Difference]: Without dead ends: 431 [2020-10-28 01:05:05,437 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=91, Invalid=251, Unknown=0, NotChecked=0, Total=342 [2020-10-28 01:05:05,438 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 431 states. [2020-10-28 01:05:05,504 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 431 to 266. [2020-10-28 01:05:05,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 266 states. [2020-10-28 01:05:05,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 266 states and 372 transitions. [2020-10-28 01:05:05,507 INFO L78 Accepts]: Start accepts. Automaton has 266 states and 372 transitions. Word has length 134 [2020-10-28 01:05:05,508 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 01:05:05,508 INFO L481 AbstractCegarLoop]: Abstraction has 266 states and 372 transitions. [2020-10-28 01:05:05,508 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-28 01:05:05,508 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 372 transitions. [2020-10-28 01:05:05,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2020-10-28 01:05:05,511 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 01:05:05,511 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 01:05:05,511 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-28 01:05:05,511 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 01:05:05,512 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 01:05:05,512 INFO L82 PathProgramCache]: Analyzing trace with hash 111377369, now seen corresponding path program 1 times [2020-10-28 01:05:05,512 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 01:05:05,512 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1184219908] [2020-10-28 01:05:05,513 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 01:05:05,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:05:05,550 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:05,602 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:05,671 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:05,740 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:05,767 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:05,853 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:05,921 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:05,959 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:06,154 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:06,217 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:06,274 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:06,324 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:06,368 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:06,408 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:07,243 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:10,545 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:05:10,546 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 176 [2020-10-28 01:05:10,546 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 15 [2020-10-28 01:05:10,546 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5006 [2020-10-28 01:05:10,546 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:05:10,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 01:05:10,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 86 [2020-10-28 01:05:10,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 01:05:10,547 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:05:10,720 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-28 01:05:10,721 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 01:05:10,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:05:10,728 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:10,734 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:05:10,734 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 01:05:10,735 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:05:10,735 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 01:05:10,735 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:05:10,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:05:10,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:05:10,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:05:10,735 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:05:10,769 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 01:05:10,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:05:10,772 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:10,773 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:05:10,773 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 01:05:10,773 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:05:10,773 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:05:10,774 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:05:10,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:05:10,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:05:10,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:05:10,774 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:05:10,775 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 01:05:10,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:05:10,776 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:10,776 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:05:10,776 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 01:05:10,776 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:05:10,777 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 01:05:10,777 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:05:10,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:05:10,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:05:10,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:05:10,777 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:05:10,795 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 01:05:10,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:05:10,798 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:10,801 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:05:10,801 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-28 01:05:10,801 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:05:10,801 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 01:05:10,801 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:05:10,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:05:10,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:05:10,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:05:10,802 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:05:10,840 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-28 01:05:10,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:05:10,844 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:10,847 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:05:10,848 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-28 01:05:10,848 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:05:10,848 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 01:05:10,848 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:05:10,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:05:10,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:05:10,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:05:10,849 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:05:10,851 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-28 01:05:10,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:05:10,862 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:10,894 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:05:10,894 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-28 01:05:10,894 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:05:10,894 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-10-28 01:05:10,895 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:05:10,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 01:05:10,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 30 [2020-10-28 01:05:10,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 01:05:10,895 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:05:10,938 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 01:05:10,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:05:10,940 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:10,942 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:05:10,942 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:05:10,942 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:05:10,943 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 01:05:10,943 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:05:10,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:05:10,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:05:10,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:05:10,943 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:05:10,945 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 01:05:10,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:05:10,946 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:10,948 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:05:10,948 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:05:10,948 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:05:10,948 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:05:10,949 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:05:10,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:05:10,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:05:10,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:05:10,949 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:05:10,951 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 01:05:10,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:05:10,953 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:10,957 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:05:10,957 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:05:10,958 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:05:10,958 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 01:05:10,958 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:05:10,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 01:05:10,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:05:10,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 01:05:10,958 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:05:10,982 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-28 01:05:10,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:05:10,985 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:10,986 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:05:10,987 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:05:10,987 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:05:10,987 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:05:10,987 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:05:10,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:05:10,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-28 01:05:10,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:05:10,987 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:05:10,989 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 01:05:10,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:05:10,991 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:10,992 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:05:10,992 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:05:10,992 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:05:10,992 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:05:10,992 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:05:10,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:05:10,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-28 01:05:10,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:05:10,993 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:05:10,994 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-28 01:05:10,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:05:10,995 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:10,997 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:05:10,997 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:05:10,997 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:05:10,997 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:05:10,997 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:05:10,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:05:10,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-28 01:05:10,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:05:10,998 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:05:11,001 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2020-10-28 01:05:11,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:05:11,006 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:11,010 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:05:11,011 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-28 01:05:11,011 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:05:11,011 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 01:05:11,011 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:05:11,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:05:11,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-28 01:05:11,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:05:11,012 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:05:11,014 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-10-28 01:05:11,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:05:11,016 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:11,018 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:05:11,018 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 01:05:11,018 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:05:11,018 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:05:11,018 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:05:11,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:05:11,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 01:05:11,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:05:11,019 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:05:11,049 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 01:05:11,050 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1184219908] [2020-10-28 01:05:11,050 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 01:05:11,050 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-28 01:05:11,050 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [70670711] [2020-10-28 01:05:11,051 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-28 01:05:11,051 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 01:05:11,051 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-28 01:05:11,052 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-10-28 01:05:11,052 INFO L87 Difference]: Start difference. First operand 266 states and 372 transitions. Second operand 10 states. [2020-10-28 01:05:12,075 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-28 01:05:12,259 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 132 [2020-10-28 01:05:12,455 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-28 01:05:12,739 WARN L193 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 131 [2020-10-28 01:05:16,309 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 01:05:16,309 INFO L93 Difference]: Finished difference Result 688 states and 1045 transitions. [2020-10-28 01:05:16,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-28 01:05:16,310 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 134 [2020-10-28 01:05:16,310 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 01:05:16,315 INFO L225 Difference]: With dead ends: 688 [2020-10-28 01:05:16,315 INFO L226 Difference]: Without dead ends: 446 [2020-10-28 01:05:16,317 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=91, Invalid=251, Unknown=0, NotChecked=0, Total=342 [2020-10-28 01:05:16,318 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 446 states. [2020-10-28 01:05:16,376 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 446 to 271. [2020-10-28 01:05:16,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 271 states. [2020-10-28 01:05:16,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 271 states and 377 transitions. [2020-10-28 01:05:16,379 INFO L78 Accepts]: Start accepts. Automaton has 271 states and 377 transitions. Word has length 134 [2020-10-28 01:05:16,379 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 01:05:16,379 INFO L481 AbstractCegarLoop]: Abstraction has 271 states and 377 transitions. [2020-10-28 01:05:16,379 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-28 01:05:16,379 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 377 transitions. [2020-10-28 01:05:16,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2020-10-28 01:05:16,381 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 01:05:16,382 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 01:05:16,382 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-28 01:05:16,382 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 01:05:16,383 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 01:05:16,383 INFO L82 PathProgramCache]: Analyzing trace with hash -1104776357, now seen corresponding path program 1 times [2020-10-28 01:05:16,383 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 01:05:16,383 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1980676816] [2020-10-28 01:05:16,383 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 01:05:16,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:05:16,418 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:16,468 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:16,534 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:16,605 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:16,687 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:16,747 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:16,810 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:16,856 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:16,923 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:16,990 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:17,040 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:17,082 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:17,128 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:17,742 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:21,233 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:21,419 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:05:21,419 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 176 [2020-10-28 01:05:21,419 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 15 [2020-10-28 01:05:21,419 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5012 [2020-10-28 01:05:21,420 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:05:21,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-28 01:05:21,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 01:05:21,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 47 [2020-10-28 01:05:21,420 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:05:21,586 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-28 01:05:21,587 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 01:05:21,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:05:21,597 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:21,608 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:05:21,609 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 01:05:21,609 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:05:21,609 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-28 01:05:21,609 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:05:21,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:05:21,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:05:21,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 01:05:21,609 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:05:21,631 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 01:05:21,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:05:21,635 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:21,637 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:05:21,637 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 01:05:21,637 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:05:21,637 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 01:05:21,638 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:05:21,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:05:21,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:05:21,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 01:05:21,638 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:05:21,639 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 01:05:21,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:05:21,641 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:21,642 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:05:21,642 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 01:05:21,642 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:05:21,642 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:05:21,642 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:05:21,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:05:21,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:05:21,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 01:05:21,643 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:05:21,672 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 01:05:21,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:05:21,676 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:21,680 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:05:21,680 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-28 01:05:21,680 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:05:21,681 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 01:05:21,681 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:05:21,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:05:21,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:05:21,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-28 01:05:21,681 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:05:21,722 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-28 01:05:21,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:05:21,728 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:21,741 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:05:21,741 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-28 01:05:21,741 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:05:21,742 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-28 01:05:21,742 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:05:21,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 01:05:21,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 01:05:21,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-28 01:05:21,742 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:05:21,770 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-28 01:05:21,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:05:21,780 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:21,798 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:05:21,798 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-28 01:05:21,798 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:05:21,798 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-28 01:05:21,798 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:05:21,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:05:21,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 71 [2020-10-28 01:05:21,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:05:21,799 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:05:21,804 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 01:05:21,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:05:21,806 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:21,807 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:05:21,808 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:05:21,808 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:05:21,808 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:05:21,808 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:05:21,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:05:21,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:05:21,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:05:21,809 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:05:21,810 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 01:05:21,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:05:21,811 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:21,812 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:05:21,812 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:05:21,812 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:05:21,813 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:05:21,813 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:05:21,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:05:21,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:05:21,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:05:21,813 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:05:21,814 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 01:05:21,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:05:21,819 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:21,820 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:05:21,820 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:05:21,821 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:05:21,821 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:05:21,821 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:05:21,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:05:21,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:05:21,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:05:21,821 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:05:21,823 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-28 01:05:21,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:05:21,824 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:21,825 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:05:21,825 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:05:21,825 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:05:21,825 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:05:21,825 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:05:21,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:05:21,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:05:21,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:05:21,826 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:05:21,827 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 01:05:21,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:05:21,828 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:21,829 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:05:21,829 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:05:21,830 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:05:21,830 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:05:21,830 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:05:21,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:05:21,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:05:21,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:05:21,830 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:05:21,832 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-28 01:05:21,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:05:21,833 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:21,834 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:05:21,834 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:05:21,835 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:05:21,835 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:05:21,835 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:05:21,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:05:21,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:05:21,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:05:21,835 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:05:21,838 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2020-10-28 01:05:21,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:05:21,843 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:21,848 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:05:21,848 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-28 01:05:21,848 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:05:21,848 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 01:05:21,849 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:05:21,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:05:21,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-28 01:05:21,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:05:21,849 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:05:21,852 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-10-28 01:05:21,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:05:21,854 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:21,856 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:05:21,856 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 01:05:21,856 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:05:21,856 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:05:21,856 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:05:21,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:05:21,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 01:05:21,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:05:21,857 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:05:21,886 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 01:05:21,887 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1980676816] [2020-10-28 01:05:21,887 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 01:05:21,888 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-28 01:05:21,888 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1059651565] [2020-10-28 01:05:21,889 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-28 01:05:21,890 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 01:05:21,890 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-28 01:05:21,891 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2020-10-28 01:05:21,891 INFO L87 Difference]: Start difference. First operand 271 states and 377 transitions. Second operand 9 states. [2020-10-28 01:05:22,059 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2020-10-28 01:05:25,707 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 01:05:25,708 INFO L93 Difference]: Finished difference Result 778 states and 1154 transitions. [2020-10-28 01:05:25,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-28 01:05:25,709 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 134 [2020-10-28 01:05:25,709 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 01:05:25,714 INFO L225 Difference]: With dead ends: 778 [2020-10-28 01:05:25,714 INFO L226 Difference]: Without dead ends: 530 [2020-10-28 01:05:25,716 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=89, Invalid=217, Unknown=0, NotChecked=0, Total=306 [2020-10-28 01:05:25,718 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 530 states. [2020-10-28 01:05:25,772 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 530 to 347. [2020-10-28 01:05:25,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 347 states. [2020-10-28 01:05:25,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 347 states and 465 transitions. [2020-10-28 01:05:25,775 INFO L78 Accepts]: Start accepts. Automaton has 347 states and 465 transitions. Word has length 134 [2020-10-28 01:05:25,776 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 01:05:25,776 INFO L481 AbstractCegarLoop]: Abstraction has 347 states and 465 transitions. [2020-10-28 01:05:25,776 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-28 01:05:25,776 INFO L276 IsEmpty]: Start isEmpty. Operand 347 states and 465 transitions. [2020-10-28 01:05:25,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2020-10-28 01:05:25,778 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 01:05:25,778 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 01:05:25,778 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-28 01:05:25,778 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 01:05:25,779 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 01:05:25,779 INFO L82 PathProgramCache]: Analyzing trace with hash -11695845, now seen corresponding path program 1 times [2020-10-28 01:05:25,779 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 01:05:25,779 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1805381747] [2020-10-28 01:05:25,779 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 01:05:25,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:05:25,820 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:25,887 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:25,971 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:26,016 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:26,064 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:26,094 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:26,135 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:26,162 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:26,186 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:26,238 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:26,267 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:26,297 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:26,687 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:29,613 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:29,871 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:30,819 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:05:30,819 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 176 [2020-10-28 01:05:30,819 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 15 [2020-10-28 01:05:30,819 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5013 [2020-10-28 01:05:30,819 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:05:30,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-28 01:05:30,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 01:05:30,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 45 [2020-10-28 01:05:30,820 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:05:30,997 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-28 01:05:30,998 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 01:05:31,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:05:31,009 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:31,023 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:05:31,023 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 01:05:31,023 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:05:31,024 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-28 01:05:31,024 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:05:31,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:05:31,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:05:31,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 01:05:31,024 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:05:31,050 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 01:05:31,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:05:31,054 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:31,057 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:05:31,057 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 01:05:31,057 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:05:31,057 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 01:05:31,057 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:05:31,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:05:31,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:05:31,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 01:05:31,058 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:05:31,061 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 01:05:31,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:05:31,064 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:31,065 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:05:31,065 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 01:05:31,065 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:05:31,065 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:05:31,065 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:05:31,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:05:31,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:05:31,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 01:05:31,066 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:05:31,087 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 01:05:31,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:05:31,091 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:31,097 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:05:31,097 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-28 01:05:31,098 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:05:31,098 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 01:05:31,098 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:05:31,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:05:31,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:05:31,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-28 01:05:31,099 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:05:31,156 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-28 01:05:31,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:05:31,162 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:31,185 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:05:31,185 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-28 01:05:31,186 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:05:31,186 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-28 01:05:31,186 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:05:31,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 01:05:31,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 01:05:31,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-28 01:05:31,187 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:05:31,264 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-28 01:05:31,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:05:31,276 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:31,288 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:05:31,288 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-28 01:05:31,289 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:05:31,289 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-28 01:05:31,289 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:05:31,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:05:31,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 71 [2020-10-28 01:05:31,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:05:31,290 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:05:31,297 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 01:05:31,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:05:31,299 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:31,300 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:05:31,300 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:05:31,301 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:05:31,301 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:05:31,301 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:05:31,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:05:31,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:05:31,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:05:31,302 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:05:31,303 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 01:05:31,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:05:31,304 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:31,306 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:05:31,306 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:05:31,306 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:05:31,306 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:05:31,306 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:05:31,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:05:31,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:05:31,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:05:31,307 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:05:31,310 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 01:05:31,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:05:31,311 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:31,312 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:05:31,312 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:05:31,312 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:05:31,313 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:05:31,313 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:05:31,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:05:31,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:05:31,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:05:31,313 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:05:31,315 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-28 01:05:31,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:05:31,316 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:31,317 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:05:31,317 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:05:31,317 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:05:31,318 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:05:31,318 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:05:31,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:05:31,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:05:31,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:05:31,318 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:05:31,320 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 01:05:31,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:05:31,321 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:31,323 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:05:31,323 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:05:31,323 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:05:31,324 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:05:31,324 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:05:31,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:05:31,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:05:31,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:05:31,325 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:05:31,326 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-28 01:05:31,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:05:31,328 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:31,329 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:05:31,329 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:05:31,329 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:05:31,330 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:05:31,330 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:05:31,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:05:31,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:05:31,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:05:31,331 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:05:31,336 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2020-10-28 01:05:31,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:05:31,342 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:31,348 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:05:31,348 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-28 01:05:31,349 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:05:31,349 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 01:05:31,349 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:05:31,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:05:31,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-28 01:05:31,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:05:31,350 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:05:31,354 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-10-28 01:05:31,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:05:31,356 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:31,358 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:05:31,358 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 01:05:31,358 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:05:31,358 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 01:05:31,358 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:05:31,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:05:31,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 01:05:31,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:05:31,359 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:05:31,405 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 01:05:31,405 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1805381747] [2020-10-28 01:05:31,405 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 01:05:31,406 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-28 01:05:31,407 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [524222214] [2020-10-28 01:05:31,408 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-28 01:05:31,408 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 01:05:31,408 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-28 01:05:31,409 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-10-28 01:05:31,409 INFO L87 Difference]: Start difference. First operand 347 states and 465 transitions. Second operand 9 states. [2020-10-28 01:05:31,683 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2020-10-28 01:05:34,034 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-28 01:05:36,315 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 01:05:36,315 INFO L93 Difference]: Finished difference Result 993 states and 1409 transitions. [2020-10-28 01:05:36,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-28 01:05:36,316 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 134 [2020-10-28 01:05:36,316 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 01:05:36,321 INFO L225 Difference]: With dead ends: 993 [2020-10-28 01:05:36,322 INFO L226 Difference]: Without dead ends: 669 [2020-10-28 01:05:36,324 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=91, Invalid=215, Unknown=0, NotChecked=0, Total=306 [2020-10-28 01:05:36,325 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 669 states. [2020-10-28 01:05:36,389 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 669 to 413. [2020-10-28 01:05:36,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 413 states. [2020-10-28 01:05:36,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 413 states to 413 states and 539 transitions. [2020-10-28 01:05:36,393 INFO L78 Accepts]: Start accepts. Automaton has 413 states and 539 transitions. Word has length 134 [2020-10-28 01:05:36,393 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 01:05:36,393 INFO L481 AbstractCegarLoop]: Abstraction has 413 states and 539 transitions. [2020-10-28 01:05:36,393 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-28 01:05:36,393 INFO L276 IsEmpty]: Start isEmpty. Operand 413 states and 539 transitions. [2020-10-28 01:05:36,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2020-10-28 01:05:36,395 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 01:05:36,395 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 01:05:36,396 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-28 01:05:36,396 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 01:05:36,396 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 01:05:36,396 INFO L82 PathProgramCache]: Analyzing trace with hash -1828311333, now seen corresponding path program 1 times [2020-10-28 01:05:36,396 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 01:05:36,397 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [217297027] [2020-10-28 01:05:36,397 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 01:05:36,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:05:36,427 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:36,472 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:36,529 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:36,584 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:36,643 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:36,689 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:36,745 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:36,781 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:36,802 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:36,865 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:36,889 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:37,080 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:39,236 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:39,797 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:40,369 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:41,424 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:05:41,424 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 176 [2020-10-28 01:05:41,424 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 15 [2020-10-28 01:05:41,424 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5006 [2020-10-28 01:05:41,425 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:05:41,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 01:05:41,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 46 [2020-10-28 01:05:41,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 90 [2020-10-28 01:05:41,425 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:05:41,609 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-28 01:05:41,610 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 01:05:41,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:05:41,616 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:41,622 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:05:41,623 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 01:05:41,623 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:05:41,623 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 01:05:41,623 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:05:41,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:05:41,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:05:41,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:05:41,624 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:05:41,647 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 01:05:41,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:05:41,651 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:41,652 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:05:41,652 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 01:05:41,652 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:05:41,652 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:05:41,653 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:05:41,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:05:41,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:05:41,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:05:41,654 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 01:05:41,655 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 01:05:41,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:05:41,657 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:41,658 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:05:41,658 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 01:05:41,658 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:05:41,658 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 01:05:41,658 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:05:41,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:05:41,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:05:41,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:05:41,659 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:05:41,681 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 01:05:41,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:05:41,684 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:41,687 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:05:41,687 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-28 01:05:41,687 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:05:41,687 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 01:05:41,687 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:05:41,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:05:41,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:05:41,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:05:41,688 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:05:41,747 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-28 01:05:41,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:05:41,756 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:41,763 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:05:41,764 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-28 01:05:41,764 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:05:41,764 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-28 01:05:41,764 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:05:41,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:05:41,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:05:41,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 01:05:41,765 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:05:41,773 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-28 01:05:41,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:05:41,788 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:41,806 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:05:41,806 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-28 01:05:41,807 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:05:41,807 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-28 01:05:41,807 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:05:41,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:05:41,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:05:41,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 71 [2020-10-28 01:05:41,807 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:05:41,814 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 01:05:41,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:05:41,816 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:41,817 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:05:41,817 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:05:41,817 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:05:41,818 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:05:41,818 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:05:41,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:05:41,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:05:41,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:05:41,818 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:05:41,820 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 01:05:41,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:05:41,825 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:41,826 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:05:41,826 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:05:41,827 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:05:41,827 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 01:05:41,827 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:05:41,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:05:41,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:05:41,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:05:41,827 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:05:41,829 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 01:05:41,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:05:41,831 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:41,832 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:05:41,832 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:05:41,832 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:05:41,832 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:05:41,832 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:05:41,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:05:41,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:05:41,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:05:41,833 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:05:41,838 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-28 01:05:41,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:05:41,840 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:41,841 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:05:41,841 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:05:41,841 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:05:41,842 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:05:41,842 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:05:41,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:05:41,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:05:41,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:05:41,842 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:05:41,843 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 01:05:41,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:05:41,844 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:41,845 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:05:41,845 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:05:41,846 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:05:41,846 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:05:41,846 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:05:41,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:05:41,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:05:41,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:05:41,846 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:05:41,847 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-28 01:05:41,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:05:41,850 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:41,851 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:05:41,851 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:05:41,851 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:05:41,852 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:05:41,852 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:05:41,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:05:41,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:05:41,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:05:41,852 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:05:41,856 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2020-10-28 01:05:41,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:05:41,862 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:41,876 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:05:41,877 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-28 01:05:41,877 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:05:41,877 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-28 01:05:41,877 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:05:41,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 01:05:41,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 01:05:41,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-28 01:05:41,878 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:05:41,905 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-10-28 01:05:41,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:05:41,907 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:41,909 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:05:41,909 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 01:05:41,909 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:05:41,909 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:05:41,909 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:05:41,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:05:41,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 01:05:41,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:05:41,910 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:05:41,942 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 01:05:41,942 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [217297027] [2020-10-28 01:05:41,943 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 01:05:41,944 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-28 01:05:41,944 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1835044944] [2020-10-28 01:05:41,945 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-28 01:05:41,945 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 01:05:41,946 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-28 01:05:41,946 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2020-10-28 01:05:41,946 INFO L87 Difference]: Start difference. First operand 413 states and 539 transitions. Second operand 9 states. [2020-10-28 01:05:42,764 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-28 01:05:44,095 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-28 01:05:48,682 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 01:05:48,682 INFO L93 Difference]: Finished difference Result 1689 states and 2345 transitions. [2020-10-28 01:05:48,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-10-28 01:05:48,683 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 134 [2020-10-28 01:05:48,684 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 01:05:48,693 INFO L225 Difference]: With dead ends: 1689 [2020-10-28 01:05:48,693 INFO L226 Difference]: Without dead ends: 1301 [2020-10-28 01:05:48,696 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 110 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=156, Invalid=444, Unknown=0, NotChecked=0, Total=600 [2020-10-28 01:05:48,698 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1301 states. [2020-10-28 01:05:48,847 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1301 to 883. [2020-10-28 01:05:48,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 883 states. [2020-10-28 01:05:48,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 883 states to 883 states and 1155 transitions. [2020-10-28 01:05:48,853 INFO L78 Accepts]: Start accepts. Automaton has 883 states and 1155 transitions. Word has length 134 [2020-10-28 01:05:48,853 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 01:05:48,853 INFO L481 AbstractCegarLoop]: Abstraction has 883 states and 1155 transitions. [2020-10-28 01:05:48,853 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-28 01:05:48,853 INFO L276 IsEmpty]: Start isEmpty. Operand 883 states and 1155 transitions. [2020-10-28 01:05:48,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2020-10-28 01:05:48,856 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 01:05:48,856 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 01:05:48,856 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-28 01:05:48,856 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 01:05:48,857 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 01:05:48,857 INFO L82 PathProgramCache]: Analyzing trace with hash 1765056089, now seen corresponding path program 1 times [2020-10-28 01:05:48,857 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 01:05:48,857 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2001539267] [2020-10-28 01:05:48,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 01:05:48,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:05:48,889 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:48,935 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:48,994 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:49,052 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:49,139 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:49,173 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:49,210 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:49,239 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:49,256 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:49,289 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:49,318 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:49,470 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:51,323 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:51,900 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:53,881 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:05:53,881 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 176 [2020-10-28 01:05:53,881 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 14 [2020-10-28 01:05:53,885 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-28 01:05:53,885 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:05:53,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-28 01:05:53,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 01:05:53,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 135 [2020-10-28 01:05:53,886 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:05:54,080 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-28 01:05:54,081 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 01:05:54,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:05:54,091 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:54,106 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:05:54,106 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 01:05:54,106 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:05:54,107 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-28 01:05:54,107 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:05:54,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:05:54,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:05:54,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 01:05:54,107 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:05:54,129 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 01:05:54,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:05:54,132 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:54,135 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:05:54,135 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 01:05:54,135 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:05:54,135 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 01:05:54,135 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:05:54,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:05:54,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:05:54,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 01:05:54,136 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:05:54,137 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 01:05:54,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:05:54,139 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:54,140 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:05:54,140 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 01:05:54,140 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:05:54,140 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:05:54,140 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:05:54,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:05:54,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:05:54,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 01:05:54,141 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:05:54,167 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 01:05:54,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:05:54,171 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:54,175 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:05:54,175 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-28 01:05:54,176 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:05:54,176 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 01:05:54,176 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:05:54,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:05:54,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:05:54,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-28 01:05:54,176 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:05:54,218 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-28 01:05:54,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:05:54,223 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:54,232 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:05:54,232 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-28 01:05:54,232 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:05:54,232 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-28 01:05:54,232 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:05:54,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 01:05:54,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 01:05:54,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-28 01:05:54,233 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:05:54,246 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-28 01:05:54,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:05:54,254 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:54,259 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:54,280 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:05:54,280 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-28 01:05:54,280 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 01:05:54,280 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-28 01:05:54,281 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:05:54,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:05:54,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 41 [2020-10-28 01:05:54,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-28 01:05:54,281 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:05:54,307 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 01:05:54,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:05:54,309 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:54,310 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:05:54,310 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:05:54,310 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:05:54,310 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:05:54,310 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:05:54,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:05:54,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:05:54,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:05:54,311 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:05:54,312 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 01:05:54,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:05:54,313 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:54,314 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:05:54,315 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:05:54,315 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:05:54,315 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:05:54,315 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:05:54,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:05:54,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:05:54,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:05:54,316 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:05:54,317 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 01:05:54,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:05:54,322 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:54,323 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:05:54,323 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:05:54,323 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:05:54,324 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 01:05:54,324 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:05:54,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:05:54,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:05:54,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:05:54,324 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:05:54,325 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-28 01:05:54,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:05:54,327 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:54,329 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:05:54,330 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:05:54,330 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:05:54,330 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 01:05:54,330 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:05:54,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:05:54,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:05:54,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 01:05:54,331 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:05:54,333 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 01:05:54,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:05:54,336 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:54,338 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:05:54,338 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:05:54,338 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:05:54,338 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 01:05:54,338 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:05:54,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:05:54,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:05:54,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 01:05:54,339 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:05:54,342 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-28 01:05:54,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:05:54,348 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:54,349 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:05:54,350 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:05:54,350 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:05:54,350 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 01:05:54,350 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:05:54,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:05:54,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:05:54,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 01:05:54,351 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:05:54,355 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2020-10-28 01:05:54,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:05:54,360 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:54,373 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:05:54,374 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-28 01:05:54,374 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:05:54,404 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-28 01:05:54,404 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:05:54,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 01:05:54,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 01:05:54,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-28 01:05:54,405 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:05:54,465 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-10-28 01:05:54,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:05:54,469 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:54,471 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:05:54,471 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 01:05:54,471 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:05:54,471 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 01:05:54,471 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:05:54,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:05:54,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 01:05:54,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:05:54,472 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:05:54,505 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 01:05:54,506 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2001539267] [2020-10-28 01:05:54,506 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 01:05:54,506 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-28 01:05:54,507 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1685525921] [2020-10-28 01:05:54,509 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-28 01:05:54,509 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 01:05:54,510 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-28 01:05:54,511 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2020-10-28 01:05:54,511 INFO L87 Difference]: Start difference. First operand 883 states and 1155 transitions. Second operand 11 states. [2020-10-28 01:05:54,719 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2020-10-28 01:05:57,145 WARN L193 SmtUtils]: Spent 326.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 129 [2020-10-28 01:05:59,697 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 01:05:59,697 INFO L93 Difference]: Finished difference Result 2321 states and 3214 transitions. [2020-10-28 01:05:59,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-28 01:05:59,698 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 134 [2020-10-28 01:05:59,698 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 01:05:59,707 INFO L225 Difference]: With dead ends: 2321 [2020-10-28 01:05:59,708 INFO L226 Difference]: Without dead ends: 1461 [2020-10-28 01:05:59,712 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 63 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=120, Invalid=342, Unknown=0, NotChecked=0, Total=462 [2020-10-28 01:05:59,714 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1461 states. [2020-10-28 01:05:59,870 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1461 to 1025. [2020-10-28 01:05:59,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1025 states. [2020-10-28 01:05:59,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1025 states to 1025 states and 1309 transitions. [2020-10-28 01:05:59,876 INFO L78 Accepts]: Start accepts. Automaton has 1025 states and 1309 transitions. Word has length 134 [2020-10-28 01:05:59,876 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 01:05:59,876 INFO L481 AbstractCegarLoop]: Abstraction has 1025 states and 1309 transitions. [2020-10-28 01:05:59,876 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-28 01:05:59,876 INFO L276 IsEmpty]: Start isEmpty. Operand 1025 states and 1309 transitions. [2020-10-28 01:05:59,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2020-10-28 01:05:59,878 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 01:05:59,879 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 01:05:59,879 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-28 01:05:59,879 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 01:05:59,879 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 01:05:59,880 INFO L82 PathProgramCache]: Analyzing trace with hash 98235514, now seen corresponding path program 1 times [2020-10-28 01:05:59,880 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 01:05:59,880 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1899681669] [2020-10-28 01:05:59,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 01:05:59,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:05:59,910 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:59,952 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:59,998 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:00,053 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:00,078 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:00,144 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:00,199 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:00,269 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:00,292 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:00,312 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:00,332 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:02,930 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:04,908 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:06:04,909 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 176 [2020-10-28 01:06:04,909 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 12 [2020-10-28 01:06:04,909 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5008 [2020-10-28 01:06:04,909 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:06:04,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 01:06:04,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 97 [2020-10-28 01:06:04,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 01:06:04,909 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:06:05,085 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-28 01:06:05,086 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 01:06:05,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:06:05,091 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:05,095 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:06:05,095 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 01:06:05,095 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:06:05,095 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 01:06:05,095 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:06:05,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:06:05,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:06:05,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:06:05,096 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:06:05,114 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 01:06:05,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:06:05,116 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:05,118 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:06:05,118 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 01:06:05,118 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:06:05,118 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 01:06:05,118 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:06:05,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:06:05,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:06:05,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:06:05,119 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:06:05,120 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 01:06:05,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:06:05,121 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:05,121 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:06:05,122 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 01:06:05,122 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:06:05,122 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 01:06:05,122 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:06:05,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:06:05,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:06:05,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:06:05,122 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:06:05,145 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 01:06:05,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:06:05,147 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:05,149 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:06:05,149 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-28 01:06:05,149 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:06:05,149 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 01:06:05,149 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:06:05,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:06:05,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:06:05,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:06:05,150 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:06:05,183 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-28 01:06:05,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:06:05,185 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:05,188 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:06:05,188 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-28 01:06:05,188 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:06:05,188 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 01:06:05,189 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:06:05,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:06:05,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:06:05,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:06:05,189 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:06:05,191 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-28 01:06:05,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:06:05,200 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:05,227 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:06:05,227 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-28 01:06:05,227 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:06:05,227 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-10-28 01:06:05,227 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:06:05,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 01:06:05,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 41 [2020-10-28 01:06:05,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 01:06:05,228 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:06:05,266 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 01:06:05,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:06:05,268 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:05,269 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:06:05,270 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:06:05,270 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:06:05,270 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:06:05,270 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:06:05,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:06:05,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:06:05,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:06:05,271 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:06:05,272 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 01:06:05,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:06:05,273 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:05,274 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:06:05,274 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:06:05,275 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:06:05,275 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:06:05,275 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:06:05,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:06:05,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:06:05,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:06:05,275 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:06:05,276 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 01:06:05,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:06:05,277 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:05,278 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:06:05,279 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:06:05,279 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:06:05,279 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:06:05,279 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:06:05,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:06:05,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:06:05,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:06:05,280 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:06:05,281 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-28 01:06:05,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:06:05,283 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:05,286 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:06:05,287 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:06:05,287 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:06:05,287 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 01:06:05,287 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:06:05,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 01:06:05,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:06:05,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 01:06:05,288 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:06:05,320 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 01:06:05,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:06:05,323 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:05,324 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:06:05,324 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:06:05,324 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:06:05,324 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:06:05,325 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:06:05,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:06:05,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-28 01:06:05,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:06:05,325 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:06:05,326 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-28 01:06:05,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:06:05,327 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:05,328 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:06:05,328 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:06:05,328 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:06:05,328 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:06:05,328 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:06:05,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:06:05,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-28 01:06:05,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:06:05,329 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:06:05,331 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2020-10-28 01:06:05,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:06:05,334 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:05,341 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:06:05,341 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-28 01:06:05,341 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:06:05,341 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 01:06:05,341 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:06:05,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:06:05,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-28 01:06:05,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:06:05,342 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:06:05,344 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-10-28 01:06:05,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:06:05,345 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:05,346 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:06:05,347 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 01:06:05,347 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:06:05,347 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:06:05,347 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:06:05,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:06:05,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 01:06:05,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:06:05,347 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:06:05,365 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 01:06:05,365 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1899681669] [2020-10-28 01:06:05,365 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 01:06:05,365 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-28 01:06:05,366 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [941399792] [2020-10-28 01:06:05,366 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-28 01:06:05,366 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 01:06:05,367 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-28 01:06:05,367 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-10-28 01:06:05,367 INFO L87 Difference]: Start difference. First operand 1025 states and 1309 transitions. Second operand 10 states. [2020-10-28 01:06:06,641 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 131 [2020-10-28 01:06:06,853 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2020-10-28 01:06:07,057 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-28 01:06:07,338 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification that was a NOOP. DAG size: 131 [2020-10-28 01:06:10,914 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 01:06:10,914 INFO L93 Difference]: Finished difference Result 2495 states and 3367 transitions. [2020-10-28 01:06:10,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-28 01:06:10,915 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 134 [2020-10-28 01:06:10,916 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 01:06:10,926 INFO L225 Difference]: With dead ends: 2495 [2020-10-28 01:06:10,926 INFO L226 Difference]: Without dead ends: 1495 [2020-10-28 01:06:10,931 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=91, Invalid=251, Unknown=0, NotChecked=0, Total=342 [2020-10-28 01:06:10,933 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1495 states. [2020-10-28 01:06:11,157 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1495 to 1035. [2020-10-28 01:06:11,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1035 states. [2020-10-28 01:06:11,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1035 states to 1035 states and 1312 transitions. [2020-10-28 01:06:11,164 INFO L78 Accepts]: Start accepts. Automaton has 1035 states and 1312 transitions. Word has length 134 [2020-10-28 01:06:11,164 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 01:06:11,164 INFO L481 AbstractCegarLoop]: Abstraction has 1035 states and 1312 transitions. [2020-10-28 01:06:11,164 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-28 01:06:11,165 INFO L276 IsEmpty]: Start isEmpty. Operand 1035 states and 1312 transitions. [2020-10-28 01:06:11,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2020-10-28 01:06:11,167 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 01:06:11,167 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 01:06:11,167 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-28 01:06:11,168 INFO L429 AbstractCegarLoop]: === Iteration 9 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 01:06:11,168 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 01:06:11,168 INFO L82 PathProgramCache]: Analyzing trace with hash 531964600, now seen corresponding path program 1 times [2020-10-28 01:06:11,168 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 01:06:11,169 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1351361812] [2020-10-28 01:06:11,169 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 01:06:11,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:06:11,203 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:11,255 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:11,324 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:11,385 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:11,451 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:11,500 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:11,561 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:11,631 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:11,658 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:11,681 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:13,076 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:15,075 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:15,713 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:16,194 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:06:16,194 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 176 [2020-10-28 01:06:16,194 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 13 [2020-10-28 01:06:16,194 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-28 01:06:16,194 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:06:16,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-28 01:06:16,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 01:06:16,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 162 [2020-10-28 01:06:16,194 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:06:16,387 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-28 01:06:16,387 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 01:06:16,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:06:16,396 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:16,405 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:06:16,406 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 01:06:16,406 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:06:16,406 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-28 01:06:16,406 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:06:16,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:06:16,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:06:16,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 01:06:16,406 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:06:16,431 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 01:06:16,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:06:16,434 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:16,436 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:06:16,436 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 01:06:16,437 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:06:16,437 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 01:06:16,437 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:06:16,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:06:16,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:06:16,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 01:06:16,437 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:06:16,438 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 01:06:16,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:06:16,440 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:16,440 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:06:16,441 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 01:06:16,441 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:06:16,441 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:06:16,441 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:06:16,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:06:16,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:06:16,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 01:06:16,441 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:06:16,464 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 01:06:16,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:06:16,468 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:16,471 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:06:16,471 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-28 01:06:16,471 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:06:16,471 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 01:06:16,471 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:06:16,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:06:16,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:06:16,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-28 01:06:16,472 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:06:16,512 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-28 01:06:16,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:06:16,518 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:16,523 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:06:16,523 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-28 01:06:16,523 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:06:16,523 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 01:06:16,524 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:06:16,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:06:16,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:06:16,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-28 01:06:16,524 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:06:16,526 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-28 01:06:16,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:06:16,537 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:16,542 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:16,558 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:06:16,558 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-28 01:06:16,558 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 01:06:16,559 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-28 01:06:16,559 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:06:16,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:06:16,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 01:06:16,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 65 [2020-10-28 01:06:16,559 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:06:16,573 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 01:06:16,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:06:16,576 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:16,578 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:06:16,578 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:06:16,578 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:06:16,578 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 01:06:16,579 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:06:16,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:06:16,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:06:16,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-28 01:06:16,579 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:06:16,581 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 01:06:16,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:06:16,583 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:16,585 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:06:16,585 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:06:16,585 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:06:16,585 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 01:06:16,585 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:06:16,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:06:16,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:06:16,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 01:06:16,586 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:06:16,591 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 01:06:16,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:06:16,595 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:16,597 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:06:16,597 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:06:16,597 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:06:16,597 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:06:16,597 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:06:16,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:06:16,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:06:16,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 01:06:16,598 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:06:16,599 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-28 01:06:16,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:06:16,600 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:16,601 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:06:16,602 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:06:16,602 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:06:16,602 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:06:16,602 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:06:16,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:06:16,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:06:16,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 01:06:16,602 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:06:16,603 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 01:06:16,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:06:16,604 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:16,605 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:06:16,606 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:06:16,606 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:06:16,606 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:06:16,606 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:06:16,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:06:16,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:06:16,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 01:06:16,606 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:06:16,607 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-28 01:06:16,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:06:16,609 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:16,610 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:06:16,611 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:06:16,611 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:06:16,611 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 01:06:16,611 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:06:16,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:06:16,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:06:16,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 01:06:16,611 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:06:16,615 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2020-10-28 01:06:16,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:06:16,620 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:16,624 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:06:16,625 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-28 01:06:16,625 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:06:16,625 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 01:06:16,625 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:06:16,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:06:16,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:06:16,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-28 01:06:16,625 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:06:16,627 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-10-28 01:06:16,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:06:16,629 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:16,630 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:06:16,630 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 01:06:16,630 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:06:16,630 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:06:16,630 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:06:16,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:06:16,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:06:16,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 01:06:16,631 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:06:16,650 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 01:06:16,650 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1351361812] [2020-10-28 01:06:16,651 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 01:06:16,651 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-28 01:06:16,651 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1741602988] [2020-10-28 01:06:16,651 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-28 01:06:16,651 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 01:06:16,652 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-28 01:06:16,652 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-10-28 01:06:16,652 INFO L87 Difference]: Start difference. First operand 1035 states and 1312 transitions. Second operand 8 states. [2020-10-28 01:06:16,856 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2020-10-28 01:06:19,889 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2020-10-28 01:06:24,018 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 01:06:24,018 INFO L93 Difference]: Finished difference Result 3894 states and 5220 transitions. [2020-10-28 01:06:24,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-28 01:06:24,021 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 134 [2020-10-28 01:06:24,021 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 01:06:24,039 INFO L225 Difference]: With dead ends: 3894 [2020-10-28 01:06:24,039 INFO L226 Difference]: Without dead ends: 2884 [2020-10-28 01:06:24,044 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=74, Invalid=198, Unknown=0, NotChecked=0, Total=272 [2020-10-28 01:06:24,047 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2884 states. [2020-10-28 01:06:24,407 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2884 to 2106. [2020-10-28 01:06:24,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2106 states. [2020-10-28 01:06:24,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2106 states to 2106 states and 2673 transitions. [2020-10-28 01:06:24,418 INFO L78 Accepts]: Start accepts. Automaton has 2106 states and 2673 transitions. Word has length 134 [2020-10-28 01:06:24,418 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 01:06:24,418 INFO L481 AbstractCegarLoop]: Abstraction has 2106 states and 2673 transitions. [2020-10-28 01:06:24,419 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-28 01:06:24,419 INFO L276 IsEmpty]: Start isEmpty. Operand 2106 states and 2673 transitions. [2020-10-28 01:06:24,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2020-10-28 01:06:24,425 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 01:06:24,426 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:06:24,426 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-28 01:06:24,426 INFO L429 AbstractCegarLoop]: === Iteration 10 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 01:06:24,427 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 01:06:24,427 INFO L82 PathProgramCache]: Analyzing trace with hash -2048361655, now seen corresponding path program 1 times [2020-10-28 01:06:24,427 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 01:06:24,427 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [179789889] [2020-10-28 01:06:24,428 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 01:06:24,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:06:24,463 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:24,516 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:24,552 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:24,613 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:24,761 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:25,013 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:25,202 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:25,251 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:25,284 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:25,318 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:25,350 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:25,377 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:25,509 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:29,469 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:06:29,469 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 280 [2020-10-28 01:06:29,469 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 13 [2020-10-28 01:06:29,470 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5017 [2020-10-28 01:06:29,470 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:06:29,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 01:06:29,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 181 [2020-10-28 01:06:29,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 01:06:29,470 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:06:29,689 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-28 01:06:29,690 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 01:06:29,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:06:29,694 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:29,698 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:06:29,699 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 01:06:29,699 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:06:29,699 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 01:06:29,699 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:06:29,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:06:29,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:06:29,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:06:29,699 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:06:29,719 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 01:06:29,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:06:29,721 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:29,722 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:06:29,723 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 01:06:29,723 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:06:29,723 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:06:29,723 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:06:29,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:06:29,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:06:29,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:06:29,723 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:06:29,724 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 01:06:29,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:06:29,725 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:29,725 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:06:29,725 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 01:06:29,725 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:06:29,725 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 01:06:29,725 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:06:29,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:06:29,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:06:29,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:06:29,726 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:06:29,745 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 01:06:29,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:06:29,748 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:29,749 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:06:29,750 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-28 01:06:29,750 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:06:29,750 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 01:06:29,750 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:06:29,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:06:29,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:06:29,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:06:29,750 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:06:29,789 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-28 01:06:29,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:06:29,791 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:29,794 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:06:29,794 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-28 01:06:29,794 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:06:29,794 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 01:06:29,794 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:06:29,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:06:29,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:06:29,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:06:29,795 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:06:29,796 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-28 01:06:29,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:06:29,799 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:29,805 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:29,829 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:06:29,829 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-28 01:06:29,829 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 01:06:29,829 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-28 01:06:29,829 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:06:29,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 01:06:29,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-28 01:06:29,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 01:06:29,830 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:06:29,850 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 01:06:29,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:06:29,852 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:29,854 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:06:29,854 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:06:29,854 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:06:29,854 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 01:06:29,854 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:06:29,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 01:06:29,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:06:29,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 01:06:29,855 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:06:29,879 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 01:06:29,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:06:29,881 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:29,882 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:06:29,882 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:06:29,883 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:06:29,883 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:06:29,883 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:06:29,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:06:29,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-28 01:06:29,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:06:29,883 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:06:29,884 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 01:06:29,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:06:29,886 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:29,887 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:06:29,887 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:06:29,887 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:06:29,887 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:06:29,887 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:06:29,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:06:29,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-28 01:06:29,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:06:29,887 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:06:29,888 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-28 01:06:29,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:06:29,889 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:29,890 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:06:29,890 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:06:29,890 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:06:29,890 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 01:06:29,890 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:06:29,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:06:29,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-28 01:06:29,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:06:29,890 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:06:29,891 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 01:06:29,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:06:29,892 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:29,893 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:06:29,893 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:06:29,893 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:06:29,893 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 01:06:29,893 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:06:29,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:06:29,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-28 01:06:29,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:06:29,894 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:06:29,894 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-28 01:06:29,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:06:29,895 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:29,896 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:06:29,896 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:06:29,896 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:06:29,896 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 01:06:29,896 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:06:29,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:06:29,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-28 01:06:29,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:06:29,897 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:06:29,928 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2020-10-28 01:06:29,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:06:29,933 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:29,935 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:06:29,936 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-28 01:06:29,936 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:06:29,936 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 01:06:29,936 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:06:29,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:06:29,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:06:29,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:06:29,936 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:06:29,938 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-10-28 01:06:29,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:06:29,940 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:29,941 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:06:29,941 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 01:06:29,941 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:06:29,941 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:06:29,941 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:06:29,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:06:29,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:06:29,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:06:29,942 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:06:29,993 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2020-10-28 01:06:29,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:06:30,003 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:30,032 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:06:30,032 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 88 [2020-10-28 01:06:30,032 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:06:30,032 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-10-28 01:06:30,033 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:06:30,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 01:06:30,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-28 01:06:30,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 01:06:30,033 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:06:30,037 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 01:06:30,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:06:30,045 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:30,079 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:06:30,079 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-10-28 01:06:30,079 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:06:30,079 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-10-28 01:06:30,079 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:06:30,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 01:06:30,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-28 01:06:30,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 01:06:30,080 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:06:30,085 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 01:06:30,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:06:30,093 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:30,118 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:06:30,118 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-28 01:06:30,118 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:06:30,118 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-28 01:06:30,119 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:06:30,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 01:06:30,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-28 01:06:30,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 01:06:30,119 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:06:30,138 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 01:06:30,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:06:30,140 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:30,144 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:06:30,144 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:06:30,144 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:06:30,144 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 01:06:30,145 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:06:30,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 01:06:30,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:06:30,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 01:06:30,145 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:06:30,147 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 01:06:30,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:06:30,149 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:30,151 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:06:30,151 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:06:30,151 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:06:30,151 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:06:30,152 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:06:30,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:06:30,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-28 01:06:30,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:06:30,152 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:06:30,154 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 01:06:30,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:06:30,156 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:30,157 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:06:30,157 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:06:30,157 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:06:30,157 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:06:30,158 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:06:30,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:06:30,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-28 01:06:30,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:06:30,158 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:06:30,159 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-28 01:06:30,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:06:30,161 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:30,162 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:06:30,163 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:06:30,163 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:06:30,163 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:06:30,163 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:06:30,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:06:30,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-28 01:06:30,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:06:30,164 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:06:30,165 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 01:06:30,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:06:30,167 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:30,168 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:06:30,168 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:06:30,169 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:06:30,169 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:06:30,169 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:06:30,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:06:30,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-28 01:06:30,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:06:30,170 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:06:30,171 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-28 01:06:30,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:06:30,173 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:30,174 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:06:30,174 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:06:30,175 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:06:30,175 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:06:30,175 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:06:30,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:06:30,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-28 01:06:30,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:06:30,176 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:06:30,192 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2020-10-28 01:06:30,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:06:30,194 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:30,196 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:06:30,196 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 01:06:30,196 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:06:30,196 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:06:30,196 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:06:30,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:06:30,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 01:06:30,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:06:30,197 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:06:30,285 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2020-10-28 01:06:30,286 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [179789889] [2020-10-28 01:06:30,286 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 01:06:30,286 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-28 01:06:30,286 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [376995084] [2020-10-28 01:06:30,287 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-28 01:06:30,287 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 01:06:30,288 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-28 01:06:30,288 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2020-10-28 01:06:30,288 INFO L87 Difference]: Start difference. First operand 2106 states and 2673 transitions. Second operand 11 states. [2020-10-28 01:06:31,251 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-28 01:06:31,442 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 132 [2020-10-28 01:06:31,642 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-28 01:06:31,829 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-28 01:06:35,753 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 01:06:35,753 INFO L93 Difference]: Finished difference Result 5219 states and 6954 transitions. [2020-10-28 01:06:35,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-28 01:06:35,754 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 218 [2020-10-28 01:06:35,754 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 01:06:35,771 INFO L225 Difference]: With dead ends: 5219 [2020-10-28 01:06:35,771 INFO L226 Difference]: Without dead ends: 3138 [2020-10-28 01:06:35,780 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 54 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=104, Invalid=276, Unknown=0, NotChecked=0, Total=380 [2020-10-28 01:06:35,784 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3138 states. [2020-10-28 01:06:36,117 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3138 to 2151. [2020-10-28 01:06:36,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2151 states. [2020-10-28 01:06:36,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2151 states to 2151 states and 2709 transitions. [2020-10-28 01:06:36,125 INFO L78 Accepts]: Start accepts. Automaton has 2151 states and 2709 transitions. Word has length 218 [2020-10-28 01:06:36,125 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 01:06:36,125 INFO L481 AbstractCegarLoop]: Abstraction has 2151 states and 2709 transitions. [2020-10-28 01:06:36,125 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-28 01:06:36,125 INFO L276 IsEmpty]: Start isEmpty. Operand 2151 states and 2709 transitions. [2020-10-28 01:06:36,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2020-10-28 01:06:36,131 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 01:06:36,131 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-28 01:06:36,132 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-28 01:06:36,132 INFO L429 AbstractCegarLoop]: === Iteration 11 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 01:06:36,132 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 01:06:36,132 INFO L82 PathProgramCache]: Analyzing trace with hash 2086188876, now seen corresponding path program 1 times [2020-10-28 01:06:36,133 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 01:06:36,133 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2106816669] [2020-10-28 01:06:36,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 01:06:36,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:06:36,163 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:36,203 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:36,234 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:36,273 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:36,404 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:36,432 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:36,448 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:36,462 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:36,478 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:36,490 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:36,515 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:36,646 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:41,156 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:06:41,156 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 280 [2020-10-28 01:06:41,156 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 12 [2020-10-28 01:06:41,156 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-28 01:06:41,156 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:06:41,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:06:41,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 197 [2020-10-28 01:06:41,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 53 [2020-10-28 01:06:41,157 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:06:41,333 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-28 01:06:41,334 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 01:06:41,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:06:41,338 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:41,342 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:06:41,342 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 01:06:41,342 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:06:41,342 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 01:06:41,342 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:06:41,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:06:41,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:06:41,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:06:41,343 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:06:41,364 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 01:06:41,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:06:41,366 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:41,367 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:06:41,367 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 01:06:41,367 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:06:41,367 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:06:41,367 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:06:41,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:06:41,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:06:41,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:06:41,368 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:06:41,368 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 01:06:41,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:06:41,369 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:41,370 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:06:41,370 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 01:06:41,370 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:06:41,370 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 01:06:41,370 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:06:41,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:06:41,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:06:41,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:06:41,371 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:06:41,389 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 01:06:41,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:06:41,391 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:41,393 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:06:41,394 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-28 01:06:41,394 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:06:41,394 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 01:06:41,394 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:06:41,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:06:41,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:06:41,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:06:41,394 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:06:41,434 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-28 01:06:41,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:06:41,438 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:41,441 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:06:41,441 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-28 01:06:41,441 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:06:41,441 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 01:06:41,441 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:06:41,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:06:41,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:06:41,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:06:41,442 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:06:41,444 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-28 01:06:41,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:06:41,446 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:41,455 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:06:41,455 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-28 01:06:41,455 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:06:41,455 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 01:06:41,455 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:06:41,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:06:41,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:06:41,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:06:41,456 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:06:41,459 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 01:06:41,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:06:41,460 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:41,460 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:06:41,460 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:06:41,460 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:06:41,461 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 01:06:41,461 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:06:41,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:06:41,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:06:41,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:06:41,461 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:06:41,462 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 01:06:41,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:06:41,462 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:41,463 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:06:41,463 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:06:41,463 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:06:41,463 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 01:06:41,464 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:06:41,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:06:41,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:06:41,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:06:41,464 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:06:41,465 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 01:06:41,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:06:41,465 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:41,466 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:06:41,466 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:06:41,466 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:06:41,466 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 01:06:41,466 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:06:41,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:06:41,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:06:41,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:06:41,467 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:06:41,467 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-28 01:06:41,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:06:41,469 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:41,470 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:06:41,470 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:06:41,470 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:06:41,471 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:06:41,471 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:06:41,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:06:41,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:06:41,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:06:41,471 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:06:41,472 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 01:06:41,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:06:41,473 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:41,474 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:06:41,474 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:06:41,474 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:06:41,474 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 01:06:41,474 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:06:41,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:06:41,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:06:41,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:06:41,475 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:06:41,476 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-28 01:06:41,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:06:41,477 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:41,477 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:06:41,478 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:06:41,478 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:06:41,478 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 01:06:41,478 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:06:41,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:06:41,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:06:41,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:06:41,478 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:06:41,481 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2020-10-28 01:06:41,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:06:41,483 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:41,486 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:06:41,486 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-28 01:06:41,486 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:06:41,486 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 01:06:41,487 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:06:41,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:06:41,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:06:41,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:06:41,487 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:06:41,489 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-10-28 01:06:41,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:06:41,490 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:41,491 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:06:41,491 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 01:06:41,491 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:06:41,491 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 01:06:41,492 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:06:41,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:06:41,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:06:41,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:06:41,492 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:06:41,535 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2020-10-28 01:06:41,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:06:41,543 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:41,554 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:06:41,554 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 88 [2020-10-28 01:06:41,555 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:06:41,555 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-28 01:06:41,555 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:06:41,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:06:41,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:06:41,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 33 [2020-10-28 01:06:41,555 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:06:41,559 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 01:06:41,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:06:41,566 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:41,574 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:06:41,574 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-10-28 01:06:41,575 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:06:41,575 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-28 01:06:41,575 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:06:41,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:06:41,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:06:41,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27 [2020-10-28 01:06:41,575 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:06:41,580 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 01:06:41,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:06:41,585 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:41,593 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:06:41,593 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-28 01:06:41,593 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:06:41,594 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-28 01:06:41,594 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:06:41,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:06:41,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:06:41,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-28 01:06:41,594 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:06:41,598 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 01:06:41,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:06:41,599 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:41,600 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:06:41,600 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:06:41,601 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:06:41,601 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:06:41,601 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:06:41,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:06:41,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:06:41,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:06:41,601 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:06:41,602 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 01:06:41,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:06:41,604 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:41,605 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:06:41,605 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:06:41,605 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:06:41,605 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:06:41,605 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:06:41,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:06:41,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:06:41,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:06:41,606 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:06:41,607 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 01:06:41,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:06:41,609 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:41,610 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:06:41,611 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:06:41,611 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:06:41,611 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 01:06:41,611 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:06:41,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:06:41,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:06:41,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 01:06:41,611 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:06:41,613 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-28 01:06:41,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:06:41,614 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:41,616 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:06:41,616 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:06:41,616 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:06:41,616 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:06:41,616 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:06:41,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:06:41,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:06:41,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 01:06:41,617 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:06:41,618 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 01:06:41,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:06:41,620 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:41,622 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:06:41,622 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:06:41,622 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:06:41,622 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:06:41,622 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:06:41,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:06:41,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:06:41,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 01:06:41,623 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:06:41,624 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-28 01:06:41,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:06:41,626 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:41,627 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:06:41,627 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:06:41,627 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:06:41,628 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:06:41,628 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:06:41,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:06:41,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:06:41,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 01:06:41,628 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:06:41,638 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2020-10-28 01:06:41,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:06:41,640 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:41,640 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:06:41,640 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 01:06:41,640 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:06:41,641 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:06:41,641 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:06:41,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:06:41,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 01:06:41,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:06:41,641 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:06:41,687 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2020-10-28 01:06:41,688 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2106816669] [2020-10-28 01:06:41,688 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 01:06:41,688 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-28 01:06:41,689 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [955862764] [2020-10-28 01:06:41,689 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-28 01:06:41,689 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 01:06:41,690 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-28 01:06:41,690 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-10-28 01:06:41,690 INFO L87 Difference]: Start difference. First operand 2151 states and 2709 transitions. Second operand 8 states. [2020-10-28 01:06:41,895 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2020-10-28 01:06:49,327 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 01:06:49,327 INFO L93 Difference]: Finished difference Result 7712 states and 10264 transitions. [2020-10-28 01:06:49,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-28 01:06:49,328 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 218 [2020-10-28 01:06:49,329 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 01:06:49,355 INFO L225 Difference]: With dead ends: 7712 [2020-10-28 01:06:49,355 INFO L226 Difference]: Without dead ends: 5588 [2020-10-28 01:06:49,362 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=85, Invalid=187, Unknown=0, NotChecked=0, Total=272 [2020-10-28 01:06:49,368 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5588 states. [2020-10-28 01:06:50,154 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5588 to 4283. [2020-10-28 01:06:50,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4283 states. [2020-10-28 01:06:50,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4283 states to 4283 states and 5597 transitions. [2020-10-28 01:06:50,170 INFO L78 Accepts]: Start accepts. Automaton has 4283 states and 5597 transitions. Word has length 218 [2020-10-28 01:06:50,171 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 01:06:50,171 INFO L481 AbstractCegarLoop]: Abstraction has 4283 states and 5597 transitions. [2020-10-28 01:06:50,171 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-28 01:06:50,171 INFO L276 IsEmpty]: Start isEmpty. Operand 4283 states and 5597 transitions. [2020-10-28 01:06:50,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2020-10-28 01:06:50,181 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 01:06:50,181 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:06:50,181 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-28 01:06:50,181 INFO L429 AbstractCegarLoop]: === Iteration 12 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 01:06:50,182 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 01:06:50,182 INFO L82 PathProgramCache]: Analyzing trace with hash 584339787, now seen corresponding path program 1 times [2020-10-28 01:06:50,182 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 01:06:50,182 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1085239589] [2020-10-28 01:06:50,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 01:06:50,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:06:50,213 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:50,230 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:50,262 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:50,312 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:50,397 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:50,618 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:50,845 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:50,888 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:50,913 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:50,940 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:50,962 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:50,976 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:50,987 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:51,037 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:55,213 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:06:55,214 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 280 [2020-10-28 01:06:55,214 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 14 [2020-10-28 01:06:55,214 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5009 [2020-10-28 01:06:55,214 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:06:55,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 01:06:55,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 192 [2020-10-28 01:06:55,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 01:06:55,214 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:06:55,387 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-28 01:06:55,388 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 01:06:55,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:06:55,392 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:55,396 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:06:55,396 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 01:06:55,396 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:06:55,396 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 01:06:55,397 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:06:55,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:06:55,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:06:55,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:06:55,397 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:06:55,414 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 01:06:55,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:06:55,416 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:55,418 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:06:55,418 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 01:06:55,418 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:06:55,418 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:06:55,418 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:06:55,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:06:55,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:06:55,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:06:55,419 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:06:55,419 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 01:06:55,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:06:55,420 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:55,420 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:06:55,420 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 01:06:55,421 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:06:55,421 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 01:06:55,421 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:06:55,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:06:55,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:06:55,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:06:55,422 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:06:55,440 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 01:06:55,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:06:55,442 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:55,444 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:06:55,444 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-28 01:06:55,444 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:06:55,444 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 01:06:55,444 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:06:55,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:06:55,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:06:55,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:06:55,444 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:06:55,483 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-28 01:06:55,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:06:55,485 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:55,488 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:06:55,489 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-28 01:06:55,489 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:06:55,489 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 01:06:55,489 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:06:55,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:06:55,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:06:55,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:06:55,489 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:06:55,491 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-28 01:06:55,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:06:55,494 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:55,500 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:55,520 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:06:55,520 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-28 01:06:55,521 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 01:06:55,521 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-28 01:06:55,521 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:06:55,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 01:06:55,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-10-28 01:06:55,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 01:06:55,521 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:06:55,546 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 01:06:55,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:06:55,548 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:55,549 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:06:55,549 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:06:55,549 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:06:55,549 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:06:55,549 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:06:55,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:06:55,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:06:55,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:06:55,550 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:06:55,551 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 01:06:55,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:06:55,553 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:55,556 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:06:55,556 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:06:55,556 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:06:55,556 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 01:06:55,556 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:06:55,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 01:06:55,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:06:55,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 01:06:55,557 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:06:55,592 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 01:06:55,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:06:55,594 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:55,595 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:06:55,595 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:06:55,595 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:06:55,595 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:06:55,596 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:06:55,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:06:55,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-28 01:06:55,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:06:55,596 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:06:55,597 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-28 01:06:55,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:06:55,598 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:55,598 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:06:55,599 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:06:55,599 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:06:55,599 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:06:55,599 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:06:55,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:06:55,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-28 01:06:55,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:06:55,599 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:06:55,600 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 01:06:55,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:06:55,601 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:55,602 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:06:55,602 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:06:55,602 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:06:55,602 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:06:55,603 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:06:55,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:06:55,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-28 01:06:55,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:06:55,603 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:06:55,603 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-28 01:06:55,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:06:55,605 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:55,605 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:06:55,606 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:06:55,606 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:06:55,606 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:06:55,606 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:06:55,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:06:55,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-28 01:06:55,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:06:55,606 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:06:55,609 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2020-10-28 01:06:55,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:06:55,611 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:55,614 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:06:55,614 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-28 01:06:55,614 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:06:55,614 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 01:06:55,615 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:06:55,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:06:55,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:06:55,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:06:55,615 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:06:55,617 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-10-28 01:06:55,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:06:55,618 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:55,619 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:06:55,619 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 01:06:55,619 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:06:55,619 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:06:55,619 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:06:55,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:06:55,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:06:55,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:06:55,620 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:06:55,659 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2020-10-28 01:06:55,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:06:55,668 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:55,694 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:06:55,694 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 88 [2020-10-28 01:06:55,694 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:06:55,694 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-28 01:06:55,694 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:06:55,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 01:06:55,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 28 [2020-10-28 01:06:55,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 01:06:55,695 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:06:55,698 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 01:06:55,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:06:55,707 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:55,728 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:06:55,728 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-10-28 01:06:55,728 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:06:55,728 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-28 01:06:55,728 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:06:55,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 01:06:55,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 22 [2020-10-28 01:06:55,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 01:06:55,729 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:06:55,731 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 01:06:55,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:06:55,737 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:55,761 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:06:55,762 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-28 01:06:55,762 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:06:55,762 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-28 01:06:55,762 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:06:55,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 01:06:55,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-10-28 01:06:55,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 01:06:55,763 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:06:55,799 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 01:06:55,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:06:55,801 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:55,802 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:06:55,802 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:06:55,802 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:06:55,802 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:06:55,802 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:06:55,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:06:55,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:06:55,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:06:55,803 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:06:55,804 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 01:06:55,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:06:55,805 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:55,808 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:06:55,808 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:06:55,808 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:06:55,808 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 01:06:55,808 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:06:55,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 01:06:55,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:06:55,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 01:06:55,809 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:06:55,810 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 01:06:55,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:06:55,812 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:55,813 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:06:55,813 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:06:55,813 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:06:55,813 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:06:55,814 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:06:55,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:06:55,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-28 01:06:55,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:06:55,814 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:06:55,815 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-28 01:06:55,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:06:55,816 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:55,817 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:06:55,818 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:06:55,818 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:06:55,818 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:06:55,818 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:06:55,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:06:55,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-28 01:06:55,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:06:55,819 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:06:55,820 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 01:06:55,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:06:55,821 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:55,822 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:06:55,822 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:06:55,822 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:06:55,823 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:06:55,823 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:06:55,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:06:55,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-28 01:06:55,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:06:55,823 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:06:55,824 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-28 01:06:55,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:06:55,826 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:55,827 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:06:55,827 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:06:55,827 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:06:55,827 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:06:55,828 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:06:55,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:06:55,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-28 01:06:55,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:06:55,828 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:06:55,837 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2020-10-28 01:06:55,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:06:55,839 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:55,840 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:06:55,840 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 01:06:55,840 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:06:55,840 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:06:55,840 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:06:55,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:06:55,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 01:06:55,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:06:55,841 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:06:55,896 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 59 trivial. 0 not checked. [2020-10-28 01:06:55,897 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1085239589] [2020-10-28 01:06:55,897 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 01:06:55,897 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-10-28 01:06:55,897 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [818876770] [2020-10-28 01:06:55,898 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-28 01:06:55,898 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 01:06:55,898 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-28 01:06:55,899 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2020-10-28 01:06:55,899 INFO L87 Difference]: Start difference. First operand 4283 states and 5597 transitions. Second operand 13 states. [2020-10-28 01:06:57,005 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-28 01:06:57,218 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 132 [2020-10-28 01:06:57,435 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-28 01:06:57,641 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-28 01:07:03,129 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 01:07:03,130 INFO L93 Difference]: Finished difference Result 10845 states and 14891 transitions. [2020-10-28 01:07:03,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-28 01:07:03,130 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 218 [2020-10-28 01:07:03,130 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 01:07:03,166 INFO L225 Difference]: With dead ends: 10845 [2020-10-28 01:07:03,166 INFO L226 Difference]: Without dead ends: 6596 [2020-10-28 01:07:03,184 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=129, Invalid=423, Unknown=0, NotChecked=0, Total=552 [2020-10-28 01:07:03,191 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6596 states. [2020-10-28 01:07:03,983 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6596 to 4769. [2020-10-28 01:07:03,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4769 states. [2020-10-28 01:07:03,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4769 states to 4769 states and 6257 transitions. [2020-10-28 01:07:03,996 INFO L78 Accepts]: Start accepts. Automaton has 4769 states and 6257 transitions. Word has length 218 [2020-10-28 01:07:03,996 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 01:07:03,996 INFO L481 AbstractCegarLoop]: Abstraction has 4769 states and 6257 transitions. [2020-10-28 01:07:03,996 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-28 01:07:03,997 INFO L276 IsEmpty]: Start isEmpty. Operand 4769 states and 6257 transitions. [2020-10-28 01:07:04,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2020-10-28 01:07:04,008 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 01:07:04,008 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-28 01:07:04,008 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-28 01:07:04,008 INFO L429 AbstractCegarLoop]: === Iteration 13 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 01:07:04,009 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 01:07:04,009 INFO L82 PathProgramCache]: Analyzing trace with hash 554162222, now seen corresponding path program 1 times [2020-10-28 01:07:04,009 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 01:07:04,009 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [271062121] [2020-10-28 01:07:04,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 01:07:04,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:04,037 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:04,056 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:04,102 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:04,170 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:04,226 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:04,308 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:04,343 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:04,380 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:04,414 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:04,461 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:04,602 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:09,035 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:09,035 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 280 [2020-10-28 01:07:09,035 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 11 [2020-10-28 01:07:09,035 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5005 [2020-10-28 01:07:09,035 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:09,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-28 01:07:09,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 32 [2020-10-28 01:07:09,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 219 [2020-10-28 01:07:09,036 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:09,213 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-28 01:07:09,214 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 01:07:09,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:09,217 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:09,221 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:09,221 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 01:07:09,221 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:09,222 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 01:07:09,222 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:09,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:07:09,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:07:09,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:07:09,222 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:09,242 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 01:07:09,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:09,244 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:09,245 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:09,246 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 01:07:09,246 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:09,246 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:07:09,246 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:09,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:07:09,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:07:09,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:07:09,246 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:09,247 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 01:07:09,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:09,248 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:09,248 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:09,248 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 01:07:09,248 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:09,249 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 01:07:09,249 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:09,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:07:09,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:07:09,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:07:09,250 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:09,271 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 01:07:09,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:09,276 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:09,280 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:09,280 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-28 01:07:09,281 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:09,281 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 01:07:09,281 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:09,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:07:09,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:07:09,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 01:07:09,281 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:09,328 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-28 01:07:09,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:09,333 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:09,339 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:09,339 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-28 01:07:09,339 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:09,339 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 01:07:09,339 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:09,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:07:09,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:07:09,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-28 01:07:09,340 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:09,342 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-28 01:07:09,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:09,353 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:09,367 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:09,367 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-28 01:07:09,367 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:09,367 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-28 01:07:09,367 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:09,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 01:07:09,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 01:07:09,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-10-28 01:07:09,368 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:09,382 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 01:07:09,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:09,384 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:09,386 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:09,386 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:07:09,386 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:09,386 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:07:09,386 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:09,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:07:09,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:07:09,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 01:07:09,386 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:09,387 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 01:07:09,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:09,388 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:09,389 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:09,389 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:07:09,389 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:09,389 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:07:09,390 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:09,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:07:09,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:07:09,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 01:07:09,390 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:09,391 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 01:07:09,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:09,392 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:09,393 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:09,393 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:07:09,393 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:09,393 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:07:09,393 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:09,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:07:09,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:07:09,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 01:07:09,394 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:09,395 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-28 01:07:09,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:09,396 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:09,397 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:09,397 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:07:09,397 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:09,397 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:07:09,397 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:09,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:07:09,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:07:09,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 01:07:09,398 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:09,399 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 01:07:09,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:09,400 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:09,401 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:09,401 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:07:09,402 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:09,402 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:07:09,402 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:09,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:07:09,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:07:09,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 01:07:09,402 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:09,403 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-28 01:07:09,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:09,404 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:09,406 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:09,406 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:07:09,406 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:09,406 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:07:09,406 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:09,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:07:09,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:07:09,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 01:07:09,407 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:09,409 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2020-10-28 01:07:09,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:09,413 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:09,417 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:09,418 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-28 01:07:09,418 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:09,418 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 01:07:09,418 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:09,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:07:09,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:07:09,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-28 01:07:09,418 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:09,420 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-10-28 01:07:09,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:09,421 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:09,423 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:09,423 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 01:07:09,423 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:09,423 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:07:09,423 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:09,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:07:09,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:07:09,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 01:07:09,424 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:09,459 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2020-10-28 01:07:09,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:09,469 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:09,510 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:09,510 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 88 [2020-10-28 01:07:09,510 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:09,510 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 43 [2020-10-28 01:07:09,510 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:09,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-28 01:07:09,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 01:07:09,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 88 [2020-10-28 01:07:09,511 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:09,516 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 01:07:09,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:09,524 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:09,547 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:09,547 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-10-28 01:07:09,547 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:09,547 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-28 01:07:09,548 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:09,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 01:07:09,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 01:07:09,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-10-28 01:07:09,548 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:09,551 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 01:07:09,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:09,559 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:09,582 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:09,582 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-28 01:07:09,583 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:09,583 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-28 01:07:09,583 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:09,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 01:07:09,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 01:07:09,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-10-28 01:07:09,583 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:09,589 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 01:07:09,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:09,591 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:09,592 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:09,592 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:07:09,592 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:09,592 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:07:09,593 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:09,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:07:09,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:07:09,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 01:07:09,593 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:09,594 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 01:07:09,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:09,596 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:09,598 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:09,598 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:07:09,598 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:09,598 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 01:07:09,598 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:09,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:07:09,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:07:09,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 01:07:09,599 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:09,600 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 01:07:09,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:09,601 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:09,603 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:09,603 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:07:09,603 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:09,603 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:07:09,603 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:09,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:07:09,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:07:09,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 01:07:09,603 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:09,604 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-28 01:07:09,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:09,606 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:09,607 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:09,607 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:07:09,607 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:09,607 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:07:09,607 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:09,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:07:09,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:07:09,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 01:07:09,608 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:09,608 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 01:07:09,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:09,610 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:09,611 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:09,611 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:07:09,612 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:09,612 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:07:09,612 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:09,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:07:09,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:07:09,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 01:07:09,612 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:09,614 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-28 01:07:09,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:09,615 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:09,617 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:09,617 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:07:09,617 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:09,617 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:07:09,617 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:09,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:07:09,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:07:09,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 01:07:09,618 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:09,628 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2020-10-28 01:07:09,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:09,631 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:09,632 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:09,632 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 01:07:09,632 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:09,632 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:07:09,632 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:09,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:07:09,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 01:07:09,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:07:09,633 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:09,673 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2020-10-28 01:07:09,674 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [271062121] [2020-10-28 01:07:09,674 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 01:07:09,674 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-28 01:07:09,674 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [731087697] [2020-10-28 01:07:09,675 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-28 01:07:09,675 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 01:07:09,676 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-28 01:07:09,677 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2020-10-28 01:07:09,677 INFO L87 Difference]: Start difference. First operand 4769 states and 6257 transitions. Second operand 9 states. [2020-10-28 01:07:09,876 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2020-10-28 01:07:17,979 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 01:07:17,979 INFO L93 Difference]: Finished difference Result 16449 states and 23516 transitions. [2020-10-28 01:07:17,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-10-28 01:07:17,980 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 218 [2020-10-28 01:07:17,981 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 01:07:18,035 INFO L225 Difference]: With dead ends: 16449 [2020-10-28 01:07:18,035 INFO L226 Difference]: Without dead ends: 11718 [2020-10-28 01:07:18,056 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 90 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=138, Invalid=324, Unknown=0, NotChecked=0, Total=462 [2020-10-28 01:07:18,068 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11718 states. [2020-10-28 01:07:19,669 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11718 to 8846. [2020-10-28 01:07:19,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8846 states. [2020-10-28 01:07:19,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8846 states to 8846 states and 11938 transitions. [2020-10-28 01:07:19,691 INFO L78 Accepts]: Start accepts. Automaton has 8846 states and 11938 transitions. Word has length 218 [2020-10-28 01:07:19,691 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 01:07:19,691 INFO L481 AbstractCegarLoop]: Abstraction has 8846 states and 11938 transitions. [2020-10-28 01:07:19,692 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-28 01:07:19,692 INFO L276 IsEmpty]: Start isEmpty. Operand 8846 states and 11938 transitions. [2020-10-28 01:07:19,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2020-10-28 01:07:19,711 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 01:07:19,711 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-28 01:07:19,711 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-28 01:07:19,711 INFO L429 AbstractCegarLoop]: === Iteration 14 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 01:07:19,712 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 01:07:19,712 INFO L82 PathProgramCache]: Analyzing trace with hash 1489418437, now seen corresponding path program 1 times [2020-10-28 01:07:19,712 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 01:07:19,712 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1431836219] [2020-10-28 01:07:19,712 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 01:07:19,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:19,745 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:19,768 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:19,833 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:19,874 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:19,907 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:19,946 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:20,194 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:20,457 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:20,712 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:20,752 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:20,783 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:24,739 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:24,739 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 306 [2020-10-28 01:07:24,739 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 11 [2020-10-28 01:07:24,739 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5004 [2020-10-28 01:07:24,740 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:24,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:07:24,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 169 [2020-10-28 01:07:24,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 49 [2020-10-28 01:07:24,740 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:24,914 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-28 01:07:24,916 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 01:07:24,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:24,920 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:24,923 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:24,924 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 01:07:24,924 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:24,924 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 01:07:24,924 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:24,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:07:24,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:07:24,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:07:24,924 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:24,992 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 01:07:24,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:24,996 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:24,997 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:24,997 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 01:07:24,997 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:24,997 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:07:24,997 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:24,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:07:24,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:07:24,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:07:24,998 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:24,999 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 01:07:24,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:24,999 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:25,000 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:25,000 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 01:07:25,000 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:25,000 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 01:07:25,000 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:25,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:07:25,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:07:25,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:07:25,001 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:25,020 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 01:07:25,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:25,022 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:25,023 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:25,023 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-28 01:07:25,023 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:25,024 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:07:25,024 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:25,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:07:25,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:07:25,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:07:25,024 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:25,060 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-28 01:07:25,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:25,063 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:25,065 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:25,065 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-28 01:07:25,065 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:25,065 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 01:07:25,066 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:25,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:07:25,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:07:25,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:07:25,066 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:25,067 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-28 01:07:25,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:25,069 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:25,073 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:25,073 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-28 01:07:25,073 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:25,073 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 01:07:25,073 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:25,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:07:25,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:07:25,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:07:25,074 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:25,076 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 01:07:25,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:25,077 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:25,077 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:25,077 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:07:25,078 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:25,078 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 01:07:25,078 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:25,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:07:25,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:07:25,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:07:25,078 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:25,079 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 01:07:25,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:25,080 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:25,081 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:25,081 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:07:25,081 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:25,081 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:07:25,082 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:25,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:07:25,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:07:25,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:07:25,082 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:25,083 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 01:07:25,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:25,084 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:25,085 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:25,085 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:07:25,085 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:25,085 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 01:07:25,085 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:25,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:07:25,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:07:25,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:07:25,086 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:25,087 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-28 01:07:25,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:25,088 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:25,088 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:25,088 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:07:25,089 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:25,089 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 01:07:25,089 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:25,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:07:25,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:07:25,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:07:25,089 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:25,090 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 01:07:25,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:25,091 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:25,092 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:25,092 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:07:25,092 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:25,092 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 01:07:25,092 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:25,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:07:25,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:07:25,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:07:25,093 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:25,094 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-28 01:07:25,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:25,095 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:25,095 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:25,096 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:07:25,096 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:25,096 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 01:07:25,096 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:25,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:07:25,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:07:25,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:07:25,096 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:25,099 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2020-10-28 01:07:25,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:25,101 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:25,104 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:25,104 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-28 01:07:25,104 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:25,104 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 01:07:25,105 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:25,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:07:25,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:07:25,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:07:25,105 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:25,107 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-10-28 01:07:25,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:25,108 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:25,109 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:25,109 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 01:07:25,110 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:25,110 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:07:25,110 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:25,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:07:25,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:07:25,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:07:25,110 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:25,150 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2020-10-28 01:07:25,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:25,153 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:25,155 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:25,155 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 01:07:25,155 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:25,155 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 01:07:25,155 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:25,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:07:25,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:07:25,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 01:07:25,155 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:25,157 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-28 01:07:25,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:25,158 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:25,159 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:25,159 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 01:07:25,159 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:25,159 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:07:25,159 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:25,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:07:25,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:07:25,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 01:07:25,160 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:25,193 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-10-28 01:07:25,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:25,202 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:25,212 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:25,212 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 88 [2020-10-28 01:07:25,212 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:25,212 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-28 01:07:25,212 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:25,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:07:25,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 27 [2020-10-28 01:07:25,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 59 [2020-10-28 01:07:25,213 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:25,226 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 01:07:25,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:25,231 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:25,239 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:25,239 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-10-28 01:07:25,239 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:25,239 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-28 01:07:25,239 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:25,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:07:25,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:07:25,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-28 01:07:25,240 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:25,243 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 01:07:25,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:25,247 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:25,254 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:25,254 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-28 01:07:25,254 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:25,255 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 01:07:25,255 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:25,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:07:25,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:07:25,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-28 01:07:25,255 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:25,258 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 01:07:25,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:25,260 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:25,260 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:25,261 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:07:25,261 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:25,261 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:07:25,261 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:25,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:07:25,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:07:25,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:07:25,262 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:25,263 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 01:07:25,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:25,264 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:25,265 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:25,266 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:07:25,266 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:25,266 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:07:25,266 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:25,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:07:25,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:07:25,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-28 01:07:25,267 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:25,268 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 01:07:25,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:25,269 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:25,270 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:25,270 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:07:25,270 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:25,270 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:07:25,271 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:25,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:07:25,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:07:25,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 01:07:25,271 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:25,272 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-28 01:07:25,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:25,273 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:25,274 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:25,274 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:07:25,274 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:25,274 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:07:25,274 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:25,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:07:25,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:07:25,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 01:07:25,275 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:25,275 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 01:07:25,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:25,276 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:25,277 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:25,278 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:07:25,278 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:25,278 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:07:25,278 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:25,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:07:25,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:07:25,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 01:07:25,278 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:25,279 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-28 01:07:25,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:25,280 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:25,281 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:25,281 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:07:25,281 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:25,281 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:07:25,281 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:25,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:07:25,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:07:25,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 01:07:25,282 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:25,293 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2020-10-28 01:07:25,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:25,295 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:25,296 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:25,296 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 01:07:25,296 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:25,296 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:07:25,296 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:25,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:07:25,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 01:07:25,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:07:25,297 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:25,346 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2020-10-28 01:07:25,346 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1431836219] [2020-10-28 01:07:25,346 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 01:07:25,346 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-28 01:07:25,346 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [532862605] [2020-10-28 01:07:25,347 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-28 01:07:25,347 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 01:07:25,348 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-28 01:07:25,348 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2020-10-28 01:07:25,348 INFO L87 Difference]: Start difference. First operand 8846 states and 11938 transitions. Second operand 10 states. [2020-10-28 01:07:25,534 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-28 01:07:27,968 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2020-10-28 01:07:35,289 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 01:07:35,289 INFO L93 Difference]: Finished difference Result 29738 states and 43626 transitions. [2020-10-28 01:07:35,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-10-28 01:07:35,290 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 240 [2020-10-28 01:07:35,290 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 01:07:35,390 INFO L225 Difference]: With dead ends: 29738 [2020-10-28 01:07:35,390 INFO L226 Difference]: Without dead ends: 20942 [2020-10-28 01:07:35,445 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 90 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=128, Invalid=378, Unknown=0, NotChecked=0, Total=506 [2020-10-28 01:07:35,469 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20942 states. [2020-10-28 01:07:38,209 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20942 to 16998. [2020-10-28 01:07:38,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16998 states. [2020-10-28 01:07:38,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16998 states to 16998 states and 23334 transitions. [2020-10-28 01:07:38,268 INFO L78 Accepts]: Start accepts. Automaton has 16998 states and 23334 transitions. Word has length 240 [2020-10-28 01:07:38,268 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 01:07:38,268 INFO L481 AbstractCegarLoop]: Abstraction has 16998 states and 23334 transitions. [2020-10-28 01:07:38,268 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-28 01:07:38,269 INFO L276 IsEmpty]: Start isEmpty. Operand 16998 states and 23334 transitions. [2020-10-28 01:07:38,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2020-10-28 01:07:38,293 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 01:07:38,294 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-28 01:07:38,294 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-28 01:07:38,294 INFO L429 AbstractCegarLoop]: === Iteration 15 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 01:07:38,294 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 01:07:38,295 INFO L82 PathProgramCache]: Analyzing trace with hash 1114281435, now seen corresponding path program 1 times [2020-10-28 01:07:38,295 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 01:07:38,298 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1694435424] [2020-10-28 01:07:38,298 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 01:07:38,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:38,328 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:38,347 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:38,404 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:38,446 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:38,481 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:38,612 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:38,699 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:38,728 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:38,754 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:42,602 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:43,121 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:43,172 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:43,222 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:43,262 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:43,300 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:43,344 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:43,344 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 306 [2020-10-28 01:07:43,345 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 15 [2020-10-28 01:07:43,345 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5024 [2020-10-28 01:07:43,345 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:43,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:07:43,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 170 [2020-10-28 01:07:43,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 59 [2020-10-28 01:07:43,346 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:43,557 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-28 01:07:43,557 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 01:07:43,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:43,563 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:43,569 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:43,569 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 01:07:43,570 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:43,570 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 01:07:43,570 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:43,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:07:43,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:07:43,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:07:43,570 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:43,593 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 01:07:43,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:43,595 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:43,597 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:43,597 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 01:07:43,597 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:43,597 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 01:07:43,597 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:43,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:07:43,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:07:43,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:07:43,598 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:43,599 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 01:07:43,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:43,600 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:43,601 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:43,601 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 01:07:43,601 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:43,601 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 01:07:43,601 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:43,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:07:43,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:07:43,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:07:43,602 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:43,622 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 01:07:43,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:43,625 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:43,627 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:43,627 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-28 01:07:43,627 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:43,627 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 01:07:43,628 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:43,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:07:43,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:07:43,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:07:43,628 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:43,667 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-28 01:07:43,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:43,670 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:43,673 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:43,673 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-28 01:07:43,673 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:43,673 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 01:07:43,674 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:43,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:07:43,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:07:43,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:07:43,674 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:43,679 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-28 01:07:43,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:43,681 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:43,685 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:43,685 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-28 01:07:43,685 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:43,685 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 01:07:43,686 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:43,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:07:43,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:07:43,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:07:43,686 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:43,689 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 01:07:43,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:43,689 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:43,690 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:43,690 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:07:43,690 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:43,690 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 01:07:43,690 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:43,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:07:43,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:07:43,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:07:43,691 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:43,691 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 01:07:43,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:43,692 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:43,693 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:43,693 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:07:43,693 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:43,693 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 01:07:43,693 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:43,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:07:43,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:07:43,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:07:43,694 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:43,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 01:07:43,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:43,695 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:43,696 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:43,696 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:07:43,696 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:43,696 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 01:07:43,696 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:43,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:07:43,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:07:43,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:07:43,697 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:43,698 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-28 01:07:43,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:43,698 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:43,699 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:43,699 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:07:43,699 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:43,699 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 01:07:43,699 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:43,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:07:43,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:07:43,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:07:43,700 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:43,701 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 01:07:43,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:43,701 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:43,702 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:43,702 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:07:43,702 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:43,702 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 01:07:43,702 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:43,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:07:43,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:07:43,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:07:43,703 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:43,703 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-28 01:07:43,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:43,704 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:43,705 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:43,705 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:07:43,705 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:43,705 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 01:07:43,705 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:43,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:07:43,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:07:43,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:07:43,706 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:43,709 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2020-10-28 01:07:43,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:43,711 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:43,713 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:43,713 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-28 01:07:43,713 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:43,713 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 01:07:43,713 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:43,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:07:43,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:07:43,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:07:43,714 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:43,715 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-10-28 01:07:43,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:43,716 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:43,717 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:43,717 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 01:07:43,717 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:43,717 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 01:07:43,717 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:43,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:07:43,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:07:43,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:07:43,718 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:43,749 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-10-28 01:07:43,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:43,752 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:43,755 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:43,755 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 01:07:43,755 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:43,755 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 01:07:43,755 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:43,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:07:43,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:07:43,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 01:07:43,756 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:43,757 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-28 01:07:43,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:43,759 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:43,760 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:43,760 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 01:07:43,760 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:43,760 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:07:43,760 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:43,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:07:43,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:07:43,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 01:07:43,761 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:43,798 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-10-28 01:07:43,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:43,814 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:43,833 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:43,834 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 88 [2020-10-28 01:07:43,834 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:43,834 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-28 01:07:43,834 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:43,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:07:43,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 38 [2020-10-28 01:07:43,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 48 [2020-10-28 01:07:43,835 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:43,852 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 01:07:43,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:43,861 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:43,872 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:43,872 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-10-28 01:07:43,872 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:43,873 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-28 01:07:43,873 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:43,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:07:43,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:07:43,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 32 [2020-10-28 01:07:43,873 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:43,877 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 01:07:43,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:43,884 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:43,896 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:43,896 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-28 01:07:43,897 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:43,897 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-28 01:07:43,897 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:43,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:07:43,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:07:43,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-10-28 01:07:43,898 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:43,904 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 01:07:43,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:43,905 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:43,906 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:43,906 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:07:43,906 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:43,906 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:07:43,907 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:43,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:07:43,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:07:43,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:07:43,907 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:43,908 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 01:07:43,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:43,909 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:43,910 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:43,911 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:07:43,911 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:43,911 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:07:43,911 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:43,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:07:43,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:07:43,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:07:43,912 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:43,913 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 01:07:43,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:43,914 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:43,916 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:43,916 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:07:43,916 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:43,916 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:07:43,917 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:43,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:07:43,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:07:43,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-28 01:07:43,917 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:43,919 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-28 01:07:43,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:43,921 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:43,923 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:43,923 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:07:43,923 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:43,923 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 01:07:43,923 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:43,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:07:43,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:07:43,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 01:07:43,924 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:43,925 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 01:07:43,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:43,927 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:43,929 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:43,929 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:07:43,929 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:43,929 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 01:07:43,929 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:43,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:07:43,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:07:43,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 01:07:43,930 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:43,931 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-28 01:07:43,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:43,933 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:43,935 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:43,936 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:07:43,936 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:43,936 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 01:07:43,936 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:43,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:07:43,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:07:43,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 01:07:43,937 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:43,956 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2020-10-28 01:07:43,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:43,958 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:43,959 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:43,959 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 01:07:43,959 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:43,959 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:07:43,960 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:43,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:07:43,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 01:07:43,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:07:43,960 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:44,046 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2020-10-28 01:07:44,047 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1694435424] [2020-10-28 01:07:44,047 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 01:07:44,047 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-28 01:07:44,047 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1221594227] [2020-10-28 01:07:44,048 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-28 01:07:44,048 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 01:07:44,048 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-28 01:07:44,048 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2020-10-28 01:07:44,049 INFO L87 Difference]: Start difference. First operand 16998 states and 23334 transitions. Second operand 10 states. [2020-10-28 01:07:44,238 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-28 01:07:46,526 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2020-10-28 01:07:55,187 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 01:07:55,187 INFO L93 Difference]: Finished difference Result 55770 states and 82242 transitions. [2020-10-28 01:07:55,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-10-28 01:07:55,188 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 240 [2020-10-28 01:07:55,188 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 01:07:55,376 INFO L225 Difference]: With dead ends: 55770 [2020-10-28 01:07:55,377 INFO L226 Difference]: Without dead ends: 38822 [2020-10-28 01:07:55,471 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 90 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=128, Invalid=378, Unknown=0, NotChecked=0, Total=506 [2020-10-28 01:07:55,509 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38822 states. [2020-10-28 01:08:00,265 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38822 to 31636. [2020-10-28 01:08:00,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31636 states. [2020-10-28 01:08:00,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31636 states to 31636 states and 43384 transitions. [2020-10-28 01:08:00,379 INFO L78 Accepts]: Start accepts. Automaton has 31636 states and 43384 transitions. Word has length 240 [2020-10-28 01:08:00,380 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 01:08:00,380 INFO L481 AbstractCegarLoop]: Abstraction has 31636 states and 43384 transitions. [2020-10-28 01:08:00,380 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-28 01:08:00,380 INFO L276 IsEmpty]: Start isEmpty. Operand 31636 states and 43384 transitions. [2020-10-28 01:08:00,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2020-10-28 01:08:00,403 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 01:08:00,403 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-28 01:08:00,403 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-10-28 01:08:00,403 INFO L429 AbstractCegarLoop]: === Iteration 16 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 01:08:00,404 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 01:08:00,404 INFO L82 PathProgramCache]: Analyzing trace with hash 767779308, now seen corresponding path program 1 times [2020-10-28 01:08:00,404 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 01:08:00,404 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [459376901] [2020-10-28 01:08:00,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 01:08:00,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:08:00,427 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:00,443 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:00,463 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:00,506 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:00,543 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:00,592 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:00,615 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:00,637 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:00,659 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:00,698 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:00,846 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:04,828 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:05,422 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:08:05,422 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 280 [2020-10-28 01:08:05,423 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 12 [2020-10-28 01:08:05,423 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-28 01:08:05,423 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:08:05,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-28 01:08:05,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 33 [2020-10-28 01:08:05,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 219 [2020-10-28 01:08:05,423 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:08:05,746 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-28 01:08:05,747 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 01:08:05,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:08:05,752 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:05,756 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:08:05,756 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 01:08:05,756 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:08:05,756 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 01:08:05,756 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:08:05,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:08:05,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:08:05,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:08:05,756 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:08:05,778 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 01:08:05,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:08:05,780 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:05,781 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:08:05,781 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 01:08:05,781 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:08:05,781 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:08:05,781 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:08:05,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:08:05,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:08:05,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:08:05,781 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:08:05,782 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 01:08:05,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:08:05,783 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:05,783 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:08:05,784 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 01:08:05,784 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:08:05,784 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 01:08:05,784 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:08:05,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:08:05,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:08:05,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:08:05,784 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:08:05,807 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 01:08:05,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:08:05,810 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:05,814 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:08:05,814 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-28 01:08:05,814 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:08:05,814 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 01:08:05,814 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:08:05,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:08:05,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:08:05,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 01:08:05,814 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:08:05,854 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-28 01:08:05,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:08:05,858 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:05,862 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:08:05,862 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-28 01:08:05,862 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:08:05,863 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 01:08:05,863 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:08:05,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:08:05,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:08:05,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-28 01:08:05,863 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:08:05,865 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-28 01:08:05,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:08:05,870 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:05,883 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:08:05,883 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-28 01:08:05,883 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:08:05,883 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-28 01:08:05,883 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:08:05,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 01:08:05,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 01:08:05,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-10-28 01:08:05,883 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:08:05,898 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 01:08:05,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:08:05,900 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:05,901 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:08:05,901 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:08:05,901 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:08:05,901 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:08:05,901 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:08:05,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:08:05,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:08:05,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 01:08:05,902 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:08:05,902 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 01:08:05,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:08:05,904 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:05,905 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:08:05,905 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:08:05,906 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:08:05,906 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:08:05,906 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:08:05,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:08:05,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:08:05,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 01:08:05,906 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:08:05,907 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 01:08:05,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:08:05,909 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:05,910 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:08:05,910 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:08:05,910 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:08:05,911 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:08:05,911 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:08:05,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:08:05,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:08:05,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 01:08:05,911 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:08:05,912 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-28 01:08:05,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:08:05,913 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:05,915 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:08:05,915 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:08:05,915 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:08:05,915 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:08:05,915 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:08:05,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:08:05,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:08:05,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 01:08:05,916 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:08:05,917 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 01:08:05,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:08:05,918 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:05,920 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:08:05,920 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:08:05,920 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:08:05,920 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 01:08:05,920 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:08:05,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:08:05,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:08:05,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 01:08:05,921 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:08:05,922 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-28 01:08:05,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:08:05,924 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:05,925 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:08:05,926 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:08:05,926 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:08:05,926 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 01:08:05,926 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:08:05,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:08:05,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:08:05,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 01:08:05,927 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:08:05,930 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2020-10-28 01:08:05,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:08:05,935 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:05,942 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:08:05,943 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-28 01:08:05,943 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:08:05,943 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 01:08:05,943 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:08:05,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:08:05,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:08:05,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-28 01:08:05,944 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:08:05,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-10-28 01:08:05,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:08:05,949 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:05,951 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:08:05,951 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 01:08:05,951 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:08:05,951 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 01:08:05,952 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:08:05,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:08:05,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:08:05,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 01:08:05,952 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:08:05,990 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2020-10-28 01:08:05,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:08:06,003 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:06,075 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:08:06,075 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 88 [2020-10-28 01:08:06,075 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:08:06,075 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 76 [2020-10-28 01:08:06,075 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:08:06,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-28 01:08:06,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 01:08:06,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 88 [2020-10-28 01:08:06,076 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:08:06,084 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 01:08:06,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:08:06,094 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:06,137 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:08:06,137 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-10-28 01:08:06,137 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:08:06,137 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 46 [2020-10-28 01:08:06,138 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:08:06,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 01:08:06,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 01:08:06,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-10-28 01:08:06,138 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:08:06,143 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 01:08:06,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:08:06,157 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:06,182 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:08:06,182 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-28 01:08:06,183 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:08:06,183 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-28 01:08:06,183 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:08:06,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 01:08:06,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 01:08:06,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-10-28 01:08:06,184 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:08:06,190 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 01:08:06,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:08:06,192 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:06,194 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:08:06,194 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:08:06,194 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:08:06,194 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 01:08:06,194 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:08:06,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:08:06,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:08:06,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 01:08:06,195 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:08:06,196 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 01:08:06,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:08:06,198 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:06,200 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:08:06,200 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:08:06,200 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:08:06,200 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 01:08:06,201 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:08:06,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:08:06,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:08:06,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 01:08:06,201 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:08:06,202 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 01:08:06,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:08:06,204 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:06,206 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:08:06,206 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:08:06,206 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:08:06,206 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:08:06,206 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:08:06,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:08:06,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:08:06,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 01:08:06,207 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:08:06,208 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-28 01:08:06,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:08:06,210 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:06,211 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:08:06,211 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:08:06,212 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:08:06,212 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 01:08:06,212 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:08:06,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:08:06,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:08:06,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 01:08:06,213 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:08:06,214 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 01:08:06,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:08:06,216 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:06,218 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:08:06,218 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:08:06,218 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:08:06,218 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 01:08:06,218 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:08:06,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:08:06,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:08:06,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 01:08:06,219 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:08:06,220 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-28 01:08:06,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:08:06,222 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:06,224 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:08:06,224 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:08:06,224 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:08:06,224 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 01:08:06,224 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:08:06,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:08:06,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:08:06,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 01:08:06,225 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:08:06,238 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2020-10-28 01:08:06,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:08:06,240 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:06,241 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:08:06,242 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 01:08:06,242 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:08:06,242 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:08:06,242 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:08:06,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:08:06,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 01:08:06,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:08:06,243 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:08:06,315 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2020-10-28 01:08:06,316 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [459376901] [2020-10-28 01:08:06,316 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 01:08:06,316 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-28 01:08:06,316 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [809755287] [2020-10-28 01:08:06,317 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-28 01:08:06,317 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 01:08:06,317 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-28 01:08:06,317 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2020-10-28 01:08:06,318 INFO L87 Difference]: Start difference. First operand 31636 states and 43384 transitions. Second operand 9 states. [2020-10-28 01:08:06,514 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 130