/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.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=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.2 --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 -i ../../../trunk/examples/svcomp/systemc/pc_sfifo_2.cil-1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-15 04:47:17,111 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-15 04:47:17,114 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-15 04:47:17,156 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-15 04:47:17,156 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-15 04:47:17,163 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-15 04:47:17,165 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-15 04:47:17,169 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-15 04:47:17,171 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-15 04:47:17,174 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-15 04:47:17,175 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-15 04:47:17,176 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-15 04:47:17,176 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-15 04:47:17,179 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-15 04:47:17,181 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-15 04:47:17,183 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-15 04:47:17,184 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-15 04:47:17,185 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-15 04:47:17,186 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-15 04:47:17,194 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-15 04:47:17,197 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-15 04:47:17,198 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-15 04:47:17,198 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-15 04:47:17,200 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-15 04:47:17,212 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-15 04:47:17,212 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-15 04:47:17,212 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-15 04:47:17,221 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-15 04:47:17,222 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-15 04:47:17,223 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-15 04:47:17,223 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-15 04:47:17,224 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-15 04:47:17,227 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-15 04:47:17,228 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-15 04:47:17,229 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-15 04:47:17,229 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-15 04:47:17,229 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-15 04:47:17,230 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-15 04:47:17,230 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-15 04:47:17,230 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-15 04:47:17,232 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-15 04:47:17,232 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 [2020-10-15 04:47:17,269 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-15 04:47:17,269 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-15 04:47:17,271 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-15 04:47:17,271 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-15 04:47:17,272 INFO L138 SettingsManager]: * Use SBE=true [2020-10-15 04:47:17,272 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-15 04:47:17,272 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-15 04:47:17,272 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-15 04:47:17,273 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-15 04:47:17,273 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-15 04:47:17,274 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-15 04:47:17,274 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-15 04:47:17,274 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-15 04:47:17,274 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-15 04:47:17,275 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-15 04:47:17,275 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-15 04:47:17,275 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-15 04:47:17,275 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-15 04:47:17,275 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-15 04:47:17,276 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-15 04:47:17,276 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-15 04:47:17,276 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-15 04:47:17,276 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-15 04:47:17,276 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-15 04:47:17,277 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-15 04:47:17,277 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-15 04:47:17,277 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-15 04:47:17,277 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-15 04:47:17,277 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-15 04:47:17,277 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=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=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=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=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=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=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=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=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=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=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=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=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; [2020-10-15 04:47:17,582 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-15 04:47:17,596 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-15 04:47:17,602 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-15 04:47:17,604 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-15 04:47:17,604 INFO L275 PluginConnector]: CDTParser initialized [2020-10-15 04:47:17,604 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/systemc/pc_sfifo_2.cil-1.c [2020-10-15 04:47:17,664 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/cfe59e3c9/70267dac1f59437cb3588f8f5f93e58e/FLAG7f9a01a9a [2020-10-15 04:47:18,089 INFO L306 CDTParser]: Found 1 translation units. [2020-10-15 04:47:18,090 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/systemc/pc_sfifo_2.cil-1.c [2020-10-15 04:47:18,099 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/cfe59e3c9/70267dac1f59437cb3588f8f5f93e58e/FLAG7f9a01a9a [2020-10-15 04:47:18,496 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/cfe59e3c9/70267dac1f59437cb3588f8f5f93e58e [2020-10-15 04:47:18,505 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-15 04:47:18,506 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-15 04:47:18,507 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-15 04:47:18,507 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-15 04:47:18,512 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-15 04:47:18,514 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 04:47:18" (1/1) ... [2020-10-15 04:47:18,517 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d5d5e76 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:47:18, skipping insertion in model container [2020-10-15 04:47:18,517 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 04:47:18" (1/1) ... [2020-10-15 04:47:18,525 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-15 04:47:18,569 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-15 04:47:18,848 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-15 04:47:18,853 INFO L203 MainTranslator]: Completed pre-run [2020-10-15 04:47:18,891 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-15 04:47:18,999 INFO L208 MainTranslator]: Completed translation [2020-10-15 04:47:18,999 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:47:18 WrapperNode [2020-10-15 04:47:18,999 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-15 04:47:19,000 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-15 04:47:19,000 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-15 04:47:19,001 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-15 04:47:19,015 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:47:18" (1/1) ... [2020-10-15 04:47:19,016 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:47:18" (1/1) ... [2020-10-15 04:47:19,023 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:47:18" (1/1) ... [2020-10-15 04:47:19,023 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:47:18" (1/1) ... [2020-10-15 04:47:19,032 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:47:18" (1/1) ... [2020-10-15 04:47:19,041 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:47:18" (1/1) ... [2020-10-15 04:47:19,043 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:47:18" (1/1) ... [2020-10-15 04:47:19,047 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-15 04:47:19,047 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-15 04:47:19,047 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-15 04:47:19,047 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-15 04:47:19,048 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:47:18" (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 [2020-10-15 04:47:19,117 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-15 04:47:19,117 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-15 04:47:19,117 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2020-10-15 04:47:19,118 INFO L138 BoogieDeclarations]: Found implementation of procedure update_fifo_q [2020-10-15 04:47:19,118 INFO L138 BoogieDeclarations]: Found implementation of procedure is_do_write_p_triggered [2020-10-15 04:47:19,118 INFO L138 BoogieDeclarations]: Found implementation of procedure is_do_read_c_triggered [2020-10-15 04:47:19,118 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify_threads [2020-10-15 04:47:19,118 INFO L138 BoogieDeclarations]: Found implementation of procedure do_write_p [2020-10-15 04:47:19,118 INFO L138 BoogieDeclarations]: Found implementation of procedure do_read_c [2020-10-15 04:47:19,119 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels [2020-10-15 04:47:19,119 INFO L138 BoogieDeclarations]: Found implementation of procedure init_threads [2020-10-15 04:47:19,119 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2020-10-15 04:47:19,119 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events [2020-10-15 04:47:19,119 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events [2020-10-15 04:47:19,119 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads [2020-10-15 04:47:19,119 INFO L138 BoogieDeclarations]: Found implementation of procedure eval [2020-10-15 04:47:19,120 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_simulation [2020-10-15 04:47:19,120 INFO L138 BoogieDeclarations]: Found implementation of procedure start_simulation [2020-10-15 04:47:19,120 INFO L138 BoogieDeclarations]: Found implementation of procedure init_model [2020-10-15 04:47:19,120 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-15 04:47:19,120 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-15 04:47:19,120 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-15 04:47:19,121 INFO L130 BoogieDeclarations]: Found specification of procedure error [2020-10-15 04:47:19,121 INFO L130 BoogieDeclarations]: Found specification of procedure update_fifo_q [2020-10-15 04:47:19,121 INFO L130 BoogieDeclarations]: Found specification of procedure is_do_write_p_triggered [2020-10-15 04:47:19,121 INFO L130 BoogieDeclarations]: Found specification of procedure is_do_read_c_triggered [2020-10-15 04:47:19,121 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify_threads [2020-10-15 04:47:19,122 INFO L130 BoogieDeclarations]: Found specification of procedure do_write_p [2020-10-15 04:47:19,122 INFO L130 BoogieDeclarations]: Found specification of procedure do_read_c [2020-10-15 04:47:19,122 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels [2020-10-15 04:47:19,122 INFO L130 BoogieDeclarations]: Found specification of procedure init_threads [2020-10-15 04:47:19,122 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2020-10-15 04:47:19,122 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events [2020-10-15 04:47:19,123 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events [2020-10-15 04:47:19,123 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads [2020-10-15 04:47:19,123 INFO L130 BoogieDeclarations]: Found specification of procedure eval [2020-10-15 04:47:19,123 INFO L130 BoogieDeclarations]: Found specification of procedure stop_simulation [2020-10-15 04:47:19,123 INFO L130 BoogieDeclarations]: Found specification of procedure start_simulation [2020-10-15 04:47:19,123 INFO L130 BoogieDeclarations]: Found specification of procedure init_model [2020-10-15 04:47:19,124 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-15 04:47:19,124 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-15 04:47:19,124 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-15 04:47:19,570 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-15 04:47:19,570 INFO L295 CfgBuilder]: Removed 4 assume(true) statements. [2020-10-15 04:47:19,576 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 04:47:19 BoogieIcfgContainer [2020-10-15 04:47:19,576 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-15 04:47:19,578 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-15 04:47:19,578 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-15 04:47:19,583 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-15 04:47:19,583 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 04:47:18" (1/3) ... [2020-10-15 04:47:19,584 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e2d71fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 04:47:19, skipping insertion in model container [2020-10-15 04:47:19,589 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:47:18" (2/3) ... [2020-10-15 04:47:19,590 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e2d71fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 04:47:19, skipping insertion in model container [2020-10-15 04:47:19,590 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 04:47:19" (3/3) ... [2020-10-15 04:47:19,592 INFO L109 eAbstractionObserver]: Analyzing ICFG pc_sfifo_2.cil-1.c [2020-10-15 04:47:19,602 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-15 04:47:19,610 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-15 04:47:19,624 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-15 04:47:19,651 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-15 04:47:19,652 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-15 04:47:19,652 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-15 04:47:19,652 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-15 04:47:19,653 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-15 04:47:19,653 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-15 04:47:19,653 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-15 04:47:19,653 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-15 04:47:19,676 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states. [2020-10-15 04:47:19,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2020-10-15 04:47:19,687 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 04:47:19,688 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] [2020-10-15 04:47:19,688 INFO L427 AbstractCegarLoop]: === Iteration 1 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 04:47:19,693 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 04:47:19,694 INFO L82 PathProgramCache]: Analyzing trace with hash 4101629, now seen corresponding path program 1 times [2020-10-15 04:47:19,703 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 04:47:19,703 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2007814409] [2020-10-15 04:47:19,704 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 04:47:19,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:47:20,026 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:47:20,194 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:47:20,409 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:47:20,453 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:47:20,788 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:47:20,833 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:47:23,446 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:47:23,759 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:47:24,092 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:47:24,910 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:47:24,910 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-15 04:47:24,910 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-10-15 04:47:24,911 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5004 [2020-10-15 04:47:24,914 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:47:24,914 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:47:24,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-15 04:47:24,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-15 04:47:24,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 87 [2020-10-15 04:47:24,915 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-15 04:47:25,155 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 04:47:25,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:47:25,167 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:47:25,172 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:47:25,173 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 04:47:25,173 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:47:25,173 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-15 04:47:25,173 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:47:25,174 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:47:25,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:47:25,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:47:25,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:47:25,175 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:47:25,211 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 04:47:25,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:47:25,218 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:47:25,225 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:47:25,225 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 04:47:25,226 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:47:25,226 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-15 04:47:25,226 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:47:25,226 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:47:25,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:47:25,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:47:25,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-15 04:47:25,227 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:47:25,254 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-15 04:47:25,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:47:25,259 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:47:25,262 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:47:25,265 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 04:47:25,265 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:47:25,265 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 04:47:25,266 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:47:25,267 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:47:25,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:47:25,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:47:25,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 04:47:25,268 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-15 04:47:25,284 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-15 04:47:25,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:47:25,289 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:47:25,291 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:47:25,291 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 04:47:25,292 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:47:25,292 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 04:47:25,296 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:47:25,297 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:47:25,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:47:25,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:47:25,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 04:47:25,299 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-15 04:47:25,318 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-15 04:47:25,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:47:25,324 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:47:25,327 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:47:25,328 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 04:47:25,328 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:47:25,328 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 04:47:25,328 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:47:25,329 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:47:25,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:47:25,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:47:25,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 04:47:25,330 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:47:25,333 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-15 04:47:25,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:47:25,350 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:47:25,355 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:47:25,360 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:47:25,442 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:47:25,443 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-15 04:47:25,443 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-15 04:47:25,443 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 94 [2020-10-15 04:47:25,444 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:47:25,444 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:47:25,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:47:25,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:47:25,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27 [2020-10-15 04:47:25,445 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:47:25,449 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 04:47:25,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:47:25,450 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:47:25,452 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:47:25,452 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:47:25,452 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:47:25,453 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:47:25,453 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:47:25,453 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:47:25,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:47:25,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:47:25,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:47:25,454 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:47:25,457 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-15 04:47:25,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:47:25,459 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:47:25,462 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:47:25,462 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:47:25,463 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:47:25,463 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 04:47:25,464 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:47:25,464 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:47:25,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:47:25,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:47:25,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:47:25,467 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-15 04:47:25,476 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-15 04:47:25,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:47:25,482 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:47:25,489 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:47:25,489 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 04:47:25,490 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:47:25,490 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-15 04:47:25,491 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:47:25,491 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:47:25,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:47:25,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:47:25,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 04:47:25,515 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 24 [2020-10-15 04:47:25,519 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-10-15 04:47:25,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:47:25,523 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:47:25,527 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:47:25,527 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 04:47:25,528 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:47:25,528 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 04:47:25,529 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:47:25,529 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:47:25,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:47:25,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:47:25,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-15 04:47:25,530 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:47:25,563 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 04:47:25,564 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2007814409] [2020-10-15 04:47:25,567 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 04:47:25,567 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-15 04:47:25,568 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1669187513] [2020-10-15 04:47:25,577 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-15 04:47:25,577 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 04:47:25,599 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-15 04:47:25,602 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2020-10-15 04:47:25,606 INFO L87 Difference]: Start difference. First operand 137 states. Second operand 9 states. [2020-10-15 04:47:28,906 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 04:47:28,907 INFO L93 Difference]: Finished difference Result 659 states and 1072 transitions. [2020-10-15 04:47:28,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2020-10-15 04:47:28,910 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 78 [2020-10-15 04:47:28,910 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 04:47:28,932 INFO L225 Difference]: With dead ends: 659 [2020-10-15 04:47:28,932 INFO L226 Difference]: Without dead ends: 516 [2020-10-15 04:47:28,939 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 124 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=175, Invalid=425, Unknown=0, NotChecked=0, Total=600 [2020-10-15 04:47:28,960 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 516 states. [2020-10-15 04:47:29,090 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 516 to 303. [2020-10-15 04:47:29,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 303 states. [2020-10-15 04:47:29,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 303 states and 396 transitions. [2020-10-15 04:47:29,098 INFO L78 Accepts]: Start accepts. Automaton has 303 states and 396 transitions. Word has length 78 [2020-10-15 04:47:29,099 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 04:47:29,100 INFO L479 AbstractCegarLoop]: Abstraction has 303 states and 396 transitions. [2020-10-15 04:47:29,101 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-15 04:47:29,101 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states and 396 transitions. [2020-10-15 04:47:29,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2020-10-15 04:47:29,105 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 04:47:29,105 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] [2020-10-15 04:47:29,106 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-15 04:47:29,106 INFO L427 AbstractCegarLoop]: === Iteration 2 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 04:47:29,106 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 04:47:29,107 INFO L82 PathProgramCache]: Analyzing trace with hash 1883900883, now seen corresponding path program 1 times [2020-10-15 04:47:29,107 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 04:47:29,107 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2091786182] [2020-10-15 04:47:29,107 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 04:47:29,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:47:29,132 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:47:29,150 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:47:29,167 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:47:29,416 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:47:29,432 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:47:29,663 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:47:34,126 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:47:34,126 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-15 04:47:34,127 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-15 04:47:34,127 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-15 04:47:34,127 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:47:34,128 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:47:34,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 04:47:34,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 56 [2020-10-15 04:47:34,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 39 [2020-10-15 04:47:34,128 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:47:34,235 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 04:47:34,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:47:34,239 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:47:34,242 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:47:34,242 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 04:47:34,242 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:47:34,242 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 04:47:34,243 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:47:34,243 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:47:34,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:47:34,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:47:34,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:47:34,244 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:47:34,272 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 04:47:34,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:47:34,274 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:47:34,276 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:47:34,276 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 04:47:34,277 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:47:34,277 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 04:47:34,277 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:47:34,277 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:47:34,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:47:34,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:47:34,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:47:34,278 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:47:34,295 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-15 04:47:34,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:47:34,297 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:47:34,298 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:47:34,298 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 04:47:34,298 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:47:34,298 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:47:34,299 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:47:34,299 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:47:34,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:47:34,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:47:34,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:47:34,300 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:47:34,313 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-15 04:47:34,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:47:34,315 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:47:34,316 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:47:34,316 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 04:47:34,316 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:47:34,316 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:47:34,316 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:47:34,317 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:47:34,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:47:34,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:47:34,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:47:34,317 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:47:34,330 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-15 04:47:34,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:47:34,332 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:47:34,333 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:47:34,333 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 04:47:34,333 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:47:34,334 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:47:34,334 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:47:34,334 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:47:34,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:47:34,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:47:34,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:47:34,335 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:47:34,336 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-15 04:47:34,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:47:34,341 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:47:34,344 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:47:34,348 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:47:34,432 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:47:34,432 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-15 04:47:34,432 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-15 04:47:34,433 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 92 [2020-10-15 04:47:34,433 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:47:34,433 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:47:34,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:47:34,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:47:34,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-15 04:47:34,434 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:47:34,438 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 04:47:34,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:47:34,439 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:47:34,441 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:47:34,441 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:47:34,441 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:47:34,441 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:47:34,441 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:47:34,442 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:47:34,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:47:34,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:47:34,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:47:34,442 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:47:34,444 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-15 04:47:34,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:47:34,448 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:47:34,451 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:47:34,451 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:47:34,451 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:47:34,451 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 04:47:34,452 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:47:34,452 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:47:34,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:47:34,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:47:34,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 04:47:34,453 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:47:34,455 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-15 04:47:34,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:47:34,457 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:47:34,459 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:47:34,460 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 04:47:34,460 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:47:34,460 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 04:47:34,460 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:47:34,460 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:47:34,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:47:34,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:47:34,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 04:47:34,461 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:47:34,463 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-10-15 04:47:34,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:47:34,465 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:47:34,467 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:47:34,469 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:47:34,469 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 04:47:34,470 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 04:47:34,470 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 04:47:34,470 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:47:34,470 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:47:34,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:47:34,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:47:34,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-15 04:47:34,471 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:47:34,481 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 04:47:34,482 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2091786182] [2020-10-15 04:47:34,482 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 04:47:34,482 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-15 04:47:34,482 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1986848761] [2020-10-15 04:47:34,484 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-15 04:47:34,484 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 04:47:34,485 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-15 04:47:34,485 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2020-10-15 04:47:34,485 INFO L87 Difference]: Start difference. First operand 303 states and 396 transitions. Second operand 8 states. [2020-10-15 04:47:37,535 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 04:47:37,535 INFO L93 Difference]: Finished difference Result 1180 states and 1894 transitions. [2020-10-15 04:47:37,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-10-15 04:47:37,536 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 78 [2020-10-15 04:47:37,537 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 04:47:37,546 INFO L225 Difference]: With dead ends: 1180 [2020-10-15 04:47:37,547 INFO L226 Difference]: Without dead ends: 898 [2020-10-15 04:47:37,552 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 25 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=105, Invalid=237, Unknown=0, NotChecked=0, Total=342 [2020-10-15 04:47:37,553 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 898 states. [2020-10-15 04:47:37,644 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 898 to 576. [2020-10-15 04:47:37,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 576 states. [2020-10-15 04:47:37,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 576 states to 576 states and 773 transitions. [2020-10-15 04:47:37,650 INFO L78 Accepts]: Start accepts. Automaton has 576 states and 773 transitions. Word has length 78 [2020-10-15 04:47:37,650 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 04:47:37,650 INFO L479 AbstractCegarLoop]: Abstraction has 576 states and 773 transitions. [2020-10-15 04:47:37,650 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-15 04:47:37,651 INFO L276 IsEmpty]: Start isEmpty. Operand 576 states and 773 transitions. [2020-10-15 04:47:37,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2020-10-15 04:47:37,655 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 04:47:37,655 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 04:47:37,655 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-15 04:47:37,656 INFO L427 AbstractCegarLoop]: === Iteration 3 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 04:47:37,656 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 04:47:37,659 INFO L82 PathProgramCache]: Analyzing trace with hash 604195747, now seen corresponding path program 1 times [2020-10-15 04:47:37,659 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 04:47:37,659 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [855835523] [2020-10-15 04:47:37,659 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 04:47:37,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:47:37,682 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:47:37,702 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:47:37,719 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:47:38,042 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:47:40,241 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:47:40,346 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:47:42,676 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:47:42,676 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-15 04:47:42,677 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-15 04:47:42,677 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-15 04:47:42,677 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:47:42,677 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:47:42,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-15 04:47:42,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-15 04:47:42,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 90 [2020-10-15 04:47:42,678 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:47:42,763 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 04:47:42,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:47:42,766 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:47:42,768 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:47:42,768 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 04:47:42,769 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:47:42,769 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 04:47:42,769 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:47:42,769 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:47:42,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:47:42,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:47:42,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:47:42,770 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:47:42,794 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 04:47:42,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:47:42,799 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:47:42,803 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:47:42,803 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 04:47:42,803 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:47:42,803 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 04:47:42,804 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:47:42,804 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:47:42,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:47:42,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:47:42,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-15 04:47:42,804 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:47:42,821 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-15 04:47:42,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:47:42,823 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:47:42,825 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:47:42,826 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 04:47:42,826 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:47:42,826 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 04:47:42,826 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:47:42,826 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:47:42,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:47:42,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:47:42,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 04:47:42,827 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:47:42,839 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-15 04:47:42,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:47:42,842 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:47:42,846 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:47:42,846 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 04:47:42,847 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:47:42,847 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 04:47:42,847 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:47:42,847 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:47:42,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:47:42,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:47:42,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 04:47:42,848 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:47:42,860 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-15 04:47:42,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:47:42,863 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:47:42,865 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:47:42,865 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 04:47:42,866 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:47:42,866 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 04:47:42,866 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:47:42,867 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:47:42,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:47:42,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:47:42,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 04:47:42,868 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:47:42,872 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-15 04:47:42,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:47:42,878 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:47:42,881 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:47:42,888 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:47:43,053 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:47:43,054 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-15 04:47:43,054 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-15 04:47:43,054 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 176 [2020-10-15 04:47:43,055 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:47:43,055 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:47:43,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:47:43,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:47:43,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27 [2020-10-15 04:47:43,056 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:47:43,060 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 04:47:43,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:47:43,061 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:47:43,063 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:47:43,063 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:47:43,063 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:47:43,064 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:47:43,064 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:47:43,064 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:47:43,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:47:43,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:47:43,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:47:43,066 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:47:43,067 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-15 04:47:43,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:47:43,069 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:47:43,070 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:47:43,071 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:47:43,071 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:47:43,071 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:47:43,071 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:47:43,072 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:47:43,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:47:43,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:47:43,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:47:43,073 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:47:43,075 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-15 04:47:43,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:47:43,077 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:47:43,079 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:47:43,080 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 04:47:43,080 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:47:43,080 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 04:47:43,080 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:47:43,081 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:47:43,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:47:43,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:47:43,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 04:47:43,081 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:47:43,083 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-10-15 04:47:43,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:47:43,086 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:47:43,089 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:47:43,089 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 04:47:43,090 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:47:43,090 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 04:47:43,090 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:47:43,091 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:47:43,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:47:43,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:47:43,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-15 04:47:43,092 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:47:43,113 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 04:47:43,113 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [855835523] [2020-10-15 04:47:43,114 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 04:47:43,114 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-15 04:47:43,114 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [614767127] [2020-10-15 04:47:43,115 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-15 04:47:43,116 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 04:47:43,116 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-15 04:47:43,116 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2020-10-15 04:47:43,116 INFO L87 Difference]: Start difference. First operand 576 states and 773 transitions. Second operand 8 states. [2020-10-15 04:47:45,266 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 04:47:45,267 INFO L93 Difference]: Finished difference Result 1859 states and 2857 transitions. [2020-10-15 04:47:45,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-10-15 04:47:45,267 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 79 [2020-10-15 04:47:45,268 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 04:47:45,279 INFO L225 Difference]: With dead ends: 1859 [2020-10-15 04:47:45,280 INFO L226 Difference]: Without dead ends: 1296 [2020-10-15 04:47:45,284 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 22 SyntacticMatches, 3 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=84, Invalid=188, Unknown=0, NotChecked=0, Total=272 [2020-10-15 04:47:45,286 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1296 states. [2020-10-15 04:47:45,410 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1296 to 987. [2020-10-15 04:47:45,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 987 states. [2020-10-15 04:47:45,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 987 states to 987 states and 1367 transitions. [2020-10-15 04:47:45,417 INFO L78 Accepts]: Start accepts. Automaton has 987 states and 1367 transitions. Word has length 79 [2020-10-15 04:47:45,417 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 04:47:45,417 INFO L479 AbstractCegarLoop]: Abstraction has 987 states and 1367 transitions. [2020-10-15 04:47:45,417 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-15 04:47:45,417 INFO L276 IsEmpty]: Start isEmpty. Operand 987 states and 1367 transitions. [2020-10-15 04:47:45,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2020-10-15 04:47:45,420 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 04:47:45,420 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-15 04:47:45,421 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-15 04:47:45,421 INFO L427 AbstractCegarLoop]: === Iteration 4 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 04:47:45,421 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 04:47:45,421 INFO L82 PathProgramCache]: Analyzing trace with hash -1472365097, now seen corresponding path program 1 times [2020-10-15 04:47:45,421 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 04:47:45,422 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1817905194] [2020-10-15 04:47:45,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 04:47:45,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:47:45,440 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:47:45,457 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:47:45,471 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:47:45,762 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:47:48,112 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:47:50,435 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:47:50,435 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 122 [2020-10-15 04:47:50,436 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-15 04:47:50,436 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-15 04:47:50,436 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:47:50,437 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:47:50,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-15 04:47:50,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-15 04:47:50,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-15 04:47:50,438 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:47:50,525 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 04:47:50,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:47:50,528 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:47:50,533 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:47:50,533 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 04:47:50,534 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:47:50,534 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 04:47:50,534 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:47:50,534 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:47:50,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:47:50,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:47:50,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:47:50,535 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:47:50,564 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 04:47:50,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:47:50,568 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:47:50,573 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:47:50,573 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 04:47:50,574 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:47:50,574 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 04:47:50,574 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:47:50,575 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:47:50,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:47:50,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:47:50,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-15 04:47:50,576 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:47:50,625 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-15 04:47:50,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:47:50,628 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:47:50,630 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:47:50,630 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 04:47:50,631 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:47:50,631 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 04:47:50,631 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:47:50,631 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:47:50,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 04:47:50,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-15 04:47:50,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 04:47:50,632 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:47:50,651 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-15 04:47:50,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:47:50,654 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:47:50,655 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:47:50,655 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 04:47:50,656 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:47:50,656 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 04:47:50,656 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:47:50,656 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:47:50,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:47:50,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:47:50,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 04:47:50,657 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:47:50,671 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-15 04:47:50,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:47:50,673 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:47:50,676 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:47:50,677 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 04:47:50,677 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:47:50,677 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 04:47:50,677 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:47:50,677 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:47:50,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 04:47:50,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-15 04:47:50,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-15 04:47:50,678 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:47:50,693 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-15 04:47:50,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:47:50,696 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:47:50,700 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:47:50,723 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:47:50,741 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:47:50,742 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-15 04:47:50,742 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-15 04:47:50,742 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 45 [2020-10-15 04:47:50,742 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:47:50,742 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:47:50,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-15 04:47:50,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-10-15 04:47:50,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 04:47:50,743 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:47:50,782 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 04:47:50,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:47:50,784 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:47:50,785 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:47:50,785 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:47:50,786 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:47:50,786 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:47:50,786 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:47:50,786 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:47:50,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:47:50,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:47:50,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:47:50,787 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:47:50,789 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-15 04:47:50,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:47:50,791 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:47:50,795 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:47:50,795 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:47:50,795 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:47:50,796 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 04:47:50,796 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:47:50,796 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:47:50,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 04:47:50,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:47:50,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-15 04:47:50,797 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:47:50,822 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-15 04:47:50,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:47:50,825 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:47:50,826 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:47:50,826 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 04:47:50,826 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:47:50,827 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:47:50,827 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:47:50,827 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:47:50,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:47:50,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-15 04:47:50,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:47:50,828 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:47:50,829 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-10-15 04:47:50,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:47:50,831 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:47:50,832 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:47:50,832 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 04:47:50,833 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:47:50,833 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:47:50,833 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:47:50,833 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:47:50,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:47:50,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-15 04:47:50,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:47:50,834 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:47:50,872 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-10-15 04:47:50,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:47:50,876 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:47:50,879 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:47:50,879 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-15 04:47:50,880 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:47:50,880 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 04:47:50,880 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:47:50,881 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:47:50,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:47:50,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-15 04:47:50,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:47:50,882 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:47:50,901 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-10-15 04:47:50,901 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1817905194] [2020-10-15 04:47:50,902 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 04:47:50,902 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2020-10-15 04:47:50,902 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1285681910] [2020-10-15 04:47:50,903 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-10-15 04:47:50,903 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 04:47:50,903 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-10-15 04:47:50,904 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=172, Unknown=0, NotChecked=0, Total=210 [2020-10-15 04:47:50,904 INFO L87 Difference]: Start difference. First operand 987 states and 1367 transitions. Second operand 15 states. [2020-10-15 04:47:55,263 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 04:47:55,264 INFO L93 Difference]: Finished difference Result 3589 states and 5487 transitions. [2020-10-15 04:47:55,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2020-10-15 04:47:55,264 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 88 [2020-10-15 04:47:55,265 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 04:47:55,286 INFO L225 Difference]: With dead ends: 3589 [2020-10-15 04:47:55,286 INFO L226 Difference]: Without dead ends: 2625 [2020-10-15 04:47:55,293 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 627 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=506, Invalid=1846, Unknown=0, NotChecked=0, Total=2352 [2020-10-15 04:47:55,297 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2625 states. [2020-10-15 04:47:55,545 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2625 to 2097. [2020-10-15 04:47:55,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2097 states. [2020-10-15 04:47:55,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2097 states to 2097 states and 2912 transitions. [2020-10-15 04:47:55,559 INFO L78 Accepts]: Start accepts. Automaton has 2097 states and 2912 transitions. Word has length 88 [2020-10-15 04:47:55,560 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 04:47:55,560 INFO L479 AbstractCegarLoop]: Abstraction has 2097 states and 2912 transitions. [2020-10-15 04:47:55,560 INFO L480 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-10-15 04:47:55,560 INFO L276 IsEmpty]: Start isEmpty. Operand 2097 states and 2912 transitions. [2020-10-15 04:47:55,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2020-10-15 04:47:55,564 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 04:47:55,564 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-15 04:47:55,564 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-15 04:47:55,565 INFO L427 AbstractCegarLoop]: === Iteration 5 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 04:47:55,565 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 04:47:55,565 INFO L82 PathProgramCache]: Analyzing trace with hash -652125671, now seen corresponding path program 1 times [2020-10-15 04:47:55,565 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 04:47:55,566 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1463571995] [2020-10-15 04:47:55,566 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 04:47:55,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:47:55,584 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:47:55,601 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:47:55,936 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:47:56,623 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:47:56,623 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 122 [2020-10-15 04:47:56,624 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-15 04:47:56,624 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1044 [2020-10-15 04:47:56,624 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:47:56,624 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:47:56,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-15 04:47:56,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-15 04:47:56,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-15 04:47:56,625 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:47:56,681 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 04:47:56,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:47:56,685 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:47:56,687 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:47:56,688 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 04:47:56,688 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:47:56,688 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 04:47:56,688 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:47:56,689 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:47:56,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:47:56,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:47:56,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:47:56,690 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:47:56,717 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 04:47:56,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:47:56,721 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:47:56,724 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:47:56,724 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 04:47:56,724 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:47:56,725 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 04:47:56,725 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:47:56,725 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:47:56,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:47:56,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:47:56,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-15 04:47:56,726 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:47:56,769 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-15 04:47:56,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:47:56,772 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:47:56,774 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:47:56,774 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 04:47:56,774 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:47:56,774 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 04:47:56,774 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:47:56,775 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:47:56,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 04:47:56,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-15 04:47:56,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 04:47:56,775 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:47:56,821 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-15 04:47:56,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:47:56,824 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:47:56,825 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:47:56,826 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 04:47:56,826 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:47:56,826 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 04:47:56,826 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:47:56,826 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:47:56,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:47:56,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:47:56,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 04:47:56,827 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:47:56,837 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-15 04:47:56,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:47:56,841 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:47:56,843 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:47:56,843 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 04:47:56,843 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:47:56,844 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 04:47:56,844 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:47:56,844 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:47:56,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 04:47:56,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-15 04:47:56,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-15 04:47:56,845 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:47:56,868 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-15 04:47:56,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:47:56,873 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:47:56,875 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:47:56,887 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:47:56,887 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-15 04:47:56,887 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 04:47:56,888 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-15 04:47:56,888 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:47:56,888 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:47:56,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-15 04:47:56,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-15 04:47:56,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 04:47:56,889 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:47:56,937 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 04:47:56,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:47:56,940 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:47:56,942 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:47:56,942 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:47:56,943 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:47:56,943 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 04:47:56,943 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:47:56,943 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:47:56,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 04:47:56,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:47:56,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-15 04:47:56,944 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:47:56,977 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-15 04:47:56,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:47:56,979 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:47:56,980 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:47:56,980 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:47:56,980 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:47:56,981 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:47:56,981 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:47:56,981 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:47:56,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:47:56,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-15 04:47:56,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:47:56,981 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:47:56,983 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-15 04:47:56,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:47:56,984 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:47:56,984 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:47:56,985 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 04:47:56,985 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:47:56,985 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 04:47:56,985 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:47:56,985 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:47:56,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:47:56,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-15 04:47:56,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:47:56,986 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:47:56,986 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-10-15 04:47:56,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:47:56,987 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:47:56,988 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:47:56,988 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 04:47:56,988 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:47:56,988 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:47:56,988 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:47:56,989 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:47:56,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:47:56,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-15 04:47:56,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:47:56,989 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:47:57,019 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-10-15 04:47:57,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:47:57,022 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:47:57,024 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:47:57,024 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-15 04:47:57,024 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:47:57,024 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 04:47:57,025 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:47:57,025 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:47:57,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:47:57,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-15 04:47:57,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:47:57,025 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:47:57,038 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-10-15 04:47:57,038 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1463571995] [2020-10-15 04:47:57,039 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 04:47:57,039 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2020-10-15 04:47:57,039 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [288997885] [2020-10-15 04:47:57,040 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-10-15 04:47:57,040 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 04:47:57,040 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-10-15 04:47:57,040 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=194, Unknown=0, NotChecked=0, Total=240 [2020-10-15 04:47:57,041 INFO L87 Difference]: Start difference. First operand 2097 states and 2912 transitions. Second operand 16 states. [2020-10-15 04:48:00,841 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 04:48:00,842 INFO L93 Difference]: Finished difference Result 6561 states and 9760 transitions. [2020-10-15 04:48:00,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2020-10-15 04:48:00,842 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 88 [2020-10-15 04:48:00,842 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 04:48:00,873 INFO L225 Difference]: With dead ends: 6561 [2020-10-15 04:48:00,873 INFO L226 Difference]: Without dead ends: 4497 [2020-10-15 04:48:00,886 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 575 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=507, Invalid=1655, Unknown=0, NotChecked=0, Total=2162 [2020-10-15 04:48:00,892 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4497 states. [2020-10-15 04:48:01,233 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4497 to 3909. [2020-10-15 04:48:01,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3909 states. [2020-10-15 04:48:01,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3909 states to 3909 states and 5340 transitions. [2020-10-15 04:48:01,256 INFO L78 Accepts]: Start accepts. Automaton has 3909 states and 5340 transitions. Word has length 88 [2020-10-15 04:48:01,257 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 04:48:01,257 INFO L479 AbstractCegarLoop]: Abstraction has 3909 states and 5340 transitions. [2020-10-15 04:48:01,257 INFO L480 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-10-15 04:48:01,257 INFO L276 IsEmpty]: Start isEmpty. Operand 3909 states and 5340 transitions. [2020-10-15 04:48:01,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2020-10-15 04:48:01,266 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 04:48:01,266 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-15 04:48:01,267 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-15 04:48:01,267 INFO L427 AbstractCegarLoop]: === Iteration 6 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 04:48:01,267 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 04:48:01,267 INFO L82 PathProgramCache]: Analyzing trace with hash -1829324777, now seen corresponding path program 1 times [2020-10-15 04:48:01,268 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 04:48:01,268 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2143302709] [2020-10-15 04:48:01,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 04:48:01,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:48:01,295 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:48:01,356 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:48:01,357 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 122 [2020-10-15 04:48:01,357 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:48:01,357 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 71 [2020-10-15 04:48:01,357 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:48:01,357 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:48:01,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-15 04:48:01,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 102 [2020-10-15 04:48:01,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-15 04:48:01,358 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:48:01,429 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 04:48:01,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:48:01,432 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:48:01,435 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:48:01,435 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 04:48:01,435 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:48:01,435 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 04:48:01,435 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:48:01,435 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:48:01,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:48:01,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:48:01,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:48:01,436 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:48:01,464 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 04:48:01,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:48:01,466 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:48:01,468 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:48:01,468 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 04:48:01,468 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:48:01,469 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 04:48:01,469 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:48:01,469 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:48:01,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:48:01,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:48:01,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:48:01,470 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:48:01,483 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-15 04:48:01,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:48:01,485 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:48:01,486 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:48:01,486 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 04:48:01,487 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:48:01,487 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:48:01,487 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:48:01,487 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:48:01,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:48:01,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:48:01,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:48:01,488 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:48:01,499 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-15 04:48:01,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:48:01,500 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:48:01,502 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:48:01,502 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 04:48:01,502 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:48:01,502 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:48:01,502 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:48:01,502 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:48:01,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:48:01,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:48:01,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:48:01,503 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:48:01,514 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-15 04:48:01,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:48:01,516 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:48:01,517 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:48:01,517 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 04:48:01,517 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:48:01,518 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:48:01,518 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:48:01,518 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:48:01,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:48:01,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:48:01,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:48:01,518 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:48:01,519 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-15 04:48:01,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:48:01,521 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:48:01,523 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:48:01,523 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-15 04:48:01,523 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:48:01,524 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 04:48:01,524 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:48:01,524 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:48:01,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:48:01,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:48:01,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:48:01,525 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:48:01,526 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 04:48:01,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:48:01,528 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:48:01,529 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:48:01,530 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:48:01,530 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:48:01,530 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 04:48:01,530 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:48:01,530 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:48:01,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:48:01,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:48:01,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:48:01,531 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:48:01,531 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-15 04:48:01,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:48:01,533 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:48:01,533 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:48:01,533 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:48:01,533 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:48:01,534 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 04:48:01,534 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:48:01,534 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:48:01,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:48:01,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:48:01,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:48:01,534 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:48:01,535 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-15 04:48:01,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:48:01,536 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:48:01,536 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:48:01,536 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 04:48:01,537 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:48:01,537 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 04:48:01,537 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:48:01,537 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:48:01,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:48:01,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:48:01,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:48:01,537 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:48:01,538 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-10-15 04:48:01,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:48:01,539 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:48:01,539 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:48:01,540 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 04:48:01,540 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:48:01,540 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:48:01,540 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:48:01,540 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:48:01,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:48:01,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:48:01,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:48:01,541 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:48:01,564 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-10-15 04:48:01,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:48:01,568 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:48:01,571 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:48:01,571 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-15 04:48:01,572 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:48:01,572 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 04:48:01,572 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:48:01,572 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:48:01,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:48:01,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:48:01,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 04:48:01,573 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:48:01,586 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 04:48:01,586 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2143302709] [2020-10-15 04:48:01,586 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 04:48:01,587 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-15 04:48:01,587 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [607263081] [2020-10-15 04:48:01,587 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-15 04:48:01,588 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 04:48:01,588 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-15 04:48:01,588 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2020-10-15 04:48:01,589 INFO L87 Difference]: Start difference. First operand 3909 states and 5340 transitions. Second operand 10 states. [2020-10-15 04:48:01,810 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2020-10-15 04:48:04,416 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 04:48:04,417 INFO L93 Difference]: Finished difference Result 5307 states and 7528 transitions. [2020-10-15 04:48:04,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2020-10-15 04:48:04,417 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 88 [2020-10-15 04:48:04,418 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 04:48:04,446 INFO L225 Difference]: With dead ends: 5307 [2020-10-15 04:48:04,446 INFO L226 Difference]: Without dead ends: 5304 [2020-10-15 04:48:04,448 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 174 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=228, Invalid=642, Unknown=0, NotChecked=0, Total=870 [2020-10-15 04:48:04,453 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5304 states. [2020-10-15 04:48:04,798 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5304 to 4823. [2020-10-15 04:48:04,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4823 states. [2020-10-15 04:48:04,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4823 states to 4823 states and 6688 transitions. [2020-10-15 04:48:04,815 INFO L78 Accepts]: Start accepts. Automaton has 4823 states and 6688 transitions. Word has length 88 [2020-10-15 04:48:04,816 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 04:48:04,816 INFO L479 AbstractCegarLoop]: Abstraction has 4823 states and 6688 transitions. [2020-10-15 04:48:04,816 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-15 04:48:04,816 INFO L276 IsEmpty]: Start isEmpty. Operand 4823 states and 6688 transitions. [2020-10-15 04:48:04,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2020-10-15 04:48:04,820 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 04:48:04,820 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-15 04:48:04,820 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-15 04:48:04,821 INFO L427 AbstractCegarLoop]: === Iteration 7 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 04:48:04,821 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 04:48:04,821 INFO L82 PathProgramCache]: Analyzing trace with hash -874813360, now seen corresponding path program 1 times [2020-10-15 04:48:04,821 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 04:48:04,822 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1444945026] [2020-10-15 04:48:04,822 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 04:48:04,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:48:04,846 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:48:05,089 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:48:05,091 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 123 [2020-10-15 04:48:05,091 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:48:05,091 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 252 [2020-10-15 04:48:05,092 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:48:05,092 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:48:05,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-15 04:48:05,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-15 04:48:05,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 104 [2020-10-15 04:48:05,093 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:48:05,270 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 04:48:05,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:48:05,279 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:48:05,287 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:48:05,287 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 04:48:05,287 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:48:05,288 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-15 04:48:05,291 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:48:05,292 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:48:05,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:48:05,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:48:05,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:48:05,293 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:48:05,338 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 04:48:05,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:48:05,342 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:48:05,347 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:48:05,348 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 04:48:05,348 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:48:05,348 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-15 04:48:05,349 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:48:05,349 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:48:05,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:48:05,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:48:05,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-15 04:48:05,350 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:48:05,373 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-15 04:48:05,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:48:05,375 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:48:05,379 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:48:05,379 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 04:48:05,379 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:48:05,380 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 04:48:05,380 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:48:05,380 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:48:05,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:48:05,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:48:05,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 04:48:05,381 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:48:05,405 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-15 04:48:05,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:48:05,409 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:48:05,413 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:48:05,414 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 04:48:05,414 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:48:05,414 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 04:48:05,415 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:48:05,415 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:48:05,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:48:05,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:48:05,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 04:48:05,416 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:48:05,441 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-15 04:48:05,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:48:05,444 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:48:05,446 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:48:05,446 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 04:48:05,446 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:48:05,447 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 04:48:05,447 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:48:05,447 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:48:05,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:48:05,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:48:05,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 04:48:05,448 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:48:05,450 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-15 04:48:05,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:48:05,455 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:48:05,464 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:48:05,465 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-15 04:48:05,465 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:48:05,465 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-15 04:48:05,466 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:48:05,466 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:48:05,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:48:05,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:48:05,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27 [2020-10-15 04:48:05,467 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:48:05,471 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 04:48:05,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:48:05,474 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:48:05,475 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:48:05,475 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:48:05,476 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:48:05,476 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:48:05,476 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:48:05,477 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:48:05,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:48:05,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:48:05,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:48:05,478 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:48:05,480 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-15 04:48:05,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:48:05,481 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:48:05,483 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:48:05,483 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:48:05,483 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:48:05,484 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:48:05,484 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:48:05,484 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:48:05,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:48:05,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:48:05,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:48:05,486 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:48:05,488 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-15 04:48:05,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:48:05,491 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:48:05,494 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:48:05,494 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 04:48:05,494 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:48:05,495 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 04:48:05,495 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:48:05,495 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:48:05,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:48:05,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:48:05,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 04:48:05,497 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:48:05,499 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-10-15 04:48:05,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:48:05,501 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:48:05,505 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:48:05,505 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 04:48:05,505 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:48:05,506 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 04:48:05,506 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:48:05,506 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:48:05,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:48:05,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:48:05,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-15 04:48:05,508 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:48:05,547 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-10-15 04:48:05,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:48:05,553 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:48:05,573 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:48:05,574 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-15 04:48:05,574 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:48:05,574 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-15 04:48:05,575 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:48:05,575 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:48:05,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-15 04:48:05,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-15 04:48:05,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-15 04:48:05,576 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:48:05,687 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 04:48:05,687 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1444945026] [2020-10-15 04:48:05,688 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-15 04:48:05,688 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2020-10-15 04:48:05,689 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [583750010] [2020-10-15 04:48:05,690 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-15 04:48:05,691 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 04:48:05,692 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-15 04:48:05,693 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=143, Unknown=0, NotChecked=0, Total=182 [2020-10-15 04:48:05,693 INFO L87 Difference]: Start difference. First operand 4823 states and 6688 transitions. Second operand 14 states. [2020-10-15 04:48:14,329 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 04:48:14,330 INFO L93 Difference]: Finished difference Result 12513 states and 20089 transitions. [2020-10-15 04:48:14,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2020-10-15 04:48:14,330 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 89 [2020-10-15 04:48:14,331 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 04:48:14,416 INFO L225 Difference]: With dead ends: 12513 [2020-10-15 04:48:14,416 INFO L226 Difference]: Without dead ends: 12510 [2020-10-15 04:48:14,423 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1435 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=716, Invalid=3840, Unknown=0, NotChecked=0, Total=4556 [2020-10-15 04:48:14,436 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12510 states. [2020-10-15 04:48:15,361 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12510 to 11170. [2020-10-15 04:48:15,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11170 states. [2020-10-15 04:48:15,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11170 states to 11170 states and 16824 transitions. [2020-10-15 04:48:15,400 INFO L78 Accepts]: Start accepts. Automaton has 11170 states and 16824 transitions. Word has length 89 [2020-10-15 04:48:15,400 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 04:48:15,401 INFO L479 AbstractCegarLoop]: Abstraction has 11170 states and 16824 transitions. [2020-10-15 04:48:15,401 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-15 04:48:15,401 INFO L276 IsEmpty]: Start isEmpty. Operand 11170 states and 16824 transitions. [2020-10-15 04:48:15,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2020-10-15 04:48:15,403 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 04:48:15,403 INFO L422 BasicCegarLoop]: trace histogram [3, 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] [2020-10-15 04:48:15,403 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-15 04:48:15,403 INFO L427 AbstractCegarLoop]: === Iteration 8 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 04:48:15,403 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 04:48:15,403 INFO L82 PathProgramCache]: Analyzing trace with hash 1062268553, now seen corresponding path program 2 times [2020-10-15 04:48:15,404 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 04:48:15,404 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [398325006] [2020-10-15 04:48:15,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 04:48:15,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:48:15,436 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:48:15,488 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:48:15,489 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 126 [2020-10-15 04:48:15,489 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:48:15,489 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 69 [2020-10-15 04:48:15,489 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:48:15,489 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:48:15,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:48:15,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 102 [2020-10-15 04:48:15,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-15 04:48:15,490 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:48:15,544 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 04:48:15,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:48:15,547 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:48:15,551 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:48:15,552 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 04:48:15,552 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:48:15,552 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 04:48:15,552 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:48:15,552 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:48:15,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:48:15,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:48:15,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:48:15,553 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:48:15,573 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 04:48:15,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:48:15,575 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:48:15,577 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:48:15,577 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 04:48:15,577 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:48:15,577 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:48:15,578 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:48:15,578 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:48:15,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:48:15,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:48:15,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:48:15,578 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:48:15,591 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-15 04:48:15,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:48:15,592 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:48:15,593 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:48:15,594 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 04:48:15,594 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:48:15,594 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:48:15,594 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:48:15,594 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:48:15,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:48:15,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:48:15,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:48:15,595 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:48:15,605 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-15 04:48:15,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:48:15,608 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:48:15,609 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:48:15,609 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 04:48:15,609 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:48:15,609 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 04:48:15,610 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:48:15,610 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:48:15,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:48:15,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:48:15,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:48:15,611 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:48:15,622 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-15 04:48:15,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:48:15,624 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:48:15,624 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:48:15,625 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 04:48:15,625 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:48:15,625 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:48:15,625 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:48:15,625 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:48:15,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:48:15,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:48:15,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:48:15,626 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:48:15,627 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-15 04:48:15,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:48:15,631 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:48:15,633 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:48:15,634 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-15 04:48:15,634 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:48:15,634 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 04:48:15,634 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:48:15,635 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:48:15,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:48:15,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:48:15,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:48:15,635 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:48:15,637 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 04:48:15,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:48:15,639 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:48:15,641 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:48:15,642 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:48:15,642 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:48:15,642 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 04:48:15,642 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:48:15,643 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:48:15,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:48:15,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:48:15,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:48:15,643 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:48:15,644 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-15 04:48:15,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:48:15,645 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:48:15,646 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:48:15,647 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:48:15,647 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:48:15,647 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:48:15,647 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:48:15,647 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:48:15,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:48:15,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:48:15,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:48:15,648 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:48:15,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-15 04:48:15,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:48:15,652 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:48:15,653 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:48:15,653 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 04:48:15,653 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:48:15,654 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 04:48:15,654 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:48:15,654 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:48:15,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:48:15,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:48:15,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:48:15,655 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:48:15,657 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-10-15 04:48:15,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:48:15,658 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:48:15,659 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:48:15,660 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 04:48:15,660 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:48:15,660 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:48:15,660 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:48:15,660 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:48:15,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:48:15,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:48:15,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:48:15,661 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:48:15,685 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-10-15 04:48:15,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:48:15,689 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:48:15,697 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:48:15,697 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-15 04:48:15,697 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:48:15,698 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-15 04:48:15,698 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:48:15,698 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:48:15,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:48:15,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 04:48:15,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-15 04:48:15,699 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:48:15,726 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 04:48:15,726 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [398325006] [2020-10-15 04:48:15,727 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 04:48:15,727 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-15 04:48:15,727 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1570876297] [2020-10-15 04:48:15,728 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-15 04:48:15,728 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 04:48:15,729 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-15 04:48:15,729 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2020-10-15 04:48:15,729 INFO L87 Difference]: Start difference. First operand 11170 states and 16824 transitions. Second operand 9 states. [2020-10-15 04:48:18,929 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 04:48:18,929 INFO L93 Difference]: Finished difference Result 17510 states and 28035 transitions. [2020-10-15 04:48:18,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-10-15 04:48:18,930 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 92 [2020-10-15 04:48:18,930 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 04:48:18,970 INFO L225 Difference]: With dead ends: 17510 [2020-10-15 04:48:18,970 INFO L226 Difference]: Without dead ends: 7192 [2020-10-15 04:48:19,040 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 78 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=125, Invalid=337, Unknown=0, NotChecked=0, Total=462 [2020-10-15 04:48:19,048 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7192 states. [2020-10-15 04:48:19,425 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7192 to 6263. [2020-10-15 04:48:19,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6263 states. [2020-10-15 04:48:19,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6263 states to 6263 states and 8597 transitions. [2020-10-15 04:48:19,442 INFO L78 Accepts]: Start accepts. Automaton has 6263 states and 8597 transitions. Word has length 92 [2020-10-15 04:48:19,442 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 04:48:19,442 INFO L479 AbstractCegarLoop]: Abstraction has 6263 states and 8597 transitions. [2020-10-15 04:48:19,443 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-15 04:48:19,443 INFO L276 IsEmpty]: Start isEmpty. Operand 6263 states and 8597 transitions. [2020-10-15 04:48:19,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2020-10-15 04:48:19,446 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 04:48:19,446 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 04:48:19,446 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-15 04:48:19,447 INFO L427 AbstractCegarLoop]: === Iteration 9 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 04:48:19,447 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 04:48:19,447 INFO L82 PathProgramCache]: Analyzing trace with hash 472919609, now seen corresponding path program 1 times [2020-10-15 04:48:19,447 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 04:48:19,448 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [748695034] [2020-10-15 04:48:19,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 04:48:19,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:48:19,464 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:48:19,479 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:48:19,534 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:48:19,564 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:48:19,626 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:48:19,691 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:48:20,100 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:48:20,100 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 136 [2020-10-15 04:48:20,100 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-15 04:48:20,101 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 641 [2020-10-15 04:48:20,101 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:48:20,101 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:48:20,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-15 04:48:20,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 31 [2020-10-15 04:48:20,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 88 [2020-10-15 04:48:20,101 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:48:20,230 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 04:48:20,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:48:20,233 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:48:20,236 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:48:20,236 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 04:48:20,236 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:48:20,236 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 04:48:20,237 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:48:20,237 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:48:20,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:48:20,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:48:20,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:48:20,238 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:48:20,260 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 04:48:20,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:48:20,262 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:48:20,264 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:48:20,264 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 04:48:20,264 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:48:20,264 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:48:20,264 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:48:20,265 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:48:20,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:48:20,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:48:20,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:48:20,265 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:48:20,282 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-15 04:48:20,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:48:20,284 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:48:20,285 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:48:20,285 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 04:48:20,286 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:48:20,286 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:48:20,286 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:48:20,286 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:48:20,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:48:20,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:48:20,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:48:20,288 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:48:20,306 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-15 04:48:20,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:48:20,308 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:48:20,310 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:48:20,310 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 04:48:20,311 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:48:20,311 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 04:48:20,311 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:48:20,312 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:48:20,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:48:20,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:48:20,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-15 04:48:20,313 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:48:20,333 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-15 04:48:20,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:48:20,335 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:48:20,337 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:48:20,337 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 04:48:20,337 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:48:20,338 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 04:48:20,338 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:48:20,338 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:48:20,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:48:20,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:48:20,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 04:48:20,340 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:48:20,341 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-15 04:48:20,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:48:20,345 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:48:20,358 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:48:20,358 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-15 04:48:20,359 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:48:20,359 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-15 04:48:20,359 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:48:20,360 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:48:20,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 04:48:20,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-15 04:48:20,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 30 [2020-10-15 04:48:20,361 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:48:20,381 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 04:48:20,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:48:20,383 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:48:20,385 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:48:20,385 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:48:20,386 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:48:20,386 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 04:48:20,386 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:48:20,387 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:48:20,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:48:20,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:48:20,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 04:48:20,388 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:48:20,391 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-15 04:48:20,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:48:20,393 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:48:20,395 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:48:20,396 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:48:20,396 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:48:20,396 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 04:48:20,396 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:48:20,397 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:48:20,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:48:20,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:48:20,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 04:48:20,398 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:48:20,400 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-15 04:48:20,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:48:20,402 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:48:20,404 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:48:20,404 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 04:48:20,404 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:48:20,405 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 04:48:20,405 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:48:20,405 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:48:20,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:48:20,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:48:20,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 04:48:20,407 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:48:20,408 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-10-15 04:48:20,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:48:20,411 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:48:20,412 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:48:20,414 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:48:20,415 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 04:48:20,415 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 04:48:20,415 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 04:48:20,415 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:48:20,416 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:48:20,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:48:20,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:48:20,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-15 04:48:20,417 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:48:20,453 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2020-10-15 04:48:20,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:48:20,458 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:48:20,463 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:48:20,464 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:48:20,464 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:48:20,464 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-15 04:48:20,464 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:48:20,465 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:48:20,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:48:20,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:48:20,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 04:48:20,466 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:48:20,468 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-10-15 04:48:20,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:48:20,471 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:48:20,472 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:48:20,475 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:48:20,475 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 04:48:20,475 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 04:48:20,476 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 04:48:20,476 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:48:20,476 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:48:20,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:48:20,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:48:20,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-15 04:48:20,477 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:48:20,496 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-10-15 04:48:20,504 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [748695034] [2020-10-15 04:48:20,505 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 04:48:20,505 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-15 04:48:20,505 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1755683623] [2020-10-15 04:48:20,506 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-15 04:48:20,507 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 04:48:20,507 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-15 04:48:20,507 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2020-10-15 04:48:20,508 INFO L87 Difference]: Start difference. First operand 6263 states and 8597 transitions. Second operand 11 states. [2020-10-15 04:48:24,128 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 04:48:24,128 INFO L93 Difference]: Finished difference Result 12303 states and 17188 transitions. [2020-10-15 04:48:24,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2020-10-15 04:48:24,129 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 100 [2020-10-15 04:48:24,130 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 04:48:24,152 INFO L225 Difference]: With dead ends: 12303 [2020-10-15 04:48:24,152 INFO L226 Difference]: Without dead ends: 6425 [2020-10-15 04:48:24,168 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 289 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=289, Invalid=901, Unknown=0, NotChecked=0, Total=1190 [2020-10-15 04:48:24,175 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6425 states. [2020-10-15 04:48:24,642 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6425 to 5971. [2020-10-15 04:48:24,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5971 states. [2020-10-15 04:48:24,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5971 states to 5971 states and 7401 transitions. [2020-10-15 04:48:24,666 INFO L78 Accepts]: Start accepts. Automaton has 5971 states and 7401 transitions. Word has length 100 [2020-10-15 04:48:24,666 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 04:48:24,667 INFO L479 AbstractCegarLoop]: Abstraction has 5971 states and 7401 transitions. [2020-10-15 04:48:24,667 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-15 04:48:24,667 INFO L276 IsEmpty]: Start isEmpty. Operand 5971 states and 7401 transitions. [2020-10-15 04:48:24,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2020-10-15 04:48:24,671 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 04:48:24,671 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 04:48:24,672 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-15 04:48:24,672 INFO L427 AbstractCegarLoop]: === Iteration 10 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 04:48:24,672 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 04:48:24,672 INFO L82 PathProgramCache]: Analyzing trace with hash -851936585, now seen corresponding path program 1 times [2020-10-15 04:48:24,673 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 04:48:24,673 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [903972421] [2020-10-15 04:48:24,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 04:48:24,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:48:24,711 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:48:24,770 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:48:24,770 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 136 [2020-10-15 04:48:24,770 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:48:24,771 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 73 [2020-10-15 04:48:24,771 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:48:24,771 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:48:24,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:48:24,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 104 [2020-10-15 04:48:24,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-15 04:48:24,772 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:48:24,843 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 04:48:24,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:48:24,847 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:48:24,851 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:48:24,852 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 04:48:24,852 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:48:24,852 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 04:48:24,852 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:48:24,853 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:48:24,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:48:24,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:48:24,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:48:24,854 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:48:24,877 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 04:48:24,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:48:24,879 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:48:24,880 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:48:24,881 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 04:48:24,881 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:48:24,881 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:48:24,881 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:48:24,882 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:48:24,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:48:24,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:48:24,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:48:24,883 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:48:24,896 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-15 04:48:24,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:48:24,897 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:48:24,898 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:48:24,899 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 04:48:24,899 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:48:24,899 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:48:24,899 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:48:24,899 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:48:24,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:48:24,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:48:24,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:48:24,900 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:48:24,911 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-15 04:48:24,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:48:24,912 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:48:24,913 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:48:24,913 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 04:48:24,914 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:48:24,914 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:48:24,914 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:48:24,914 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:48:24,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:48:24,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:48:24,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:48:24,915 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:48:24,927 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-15 04:48:24,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:48:24,928 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:48:24,929 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:48:24,929 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 04:48:24,929 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:48:24,929 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 04:48:24,930 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:48:24,930 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:48:24,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:48:24,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:48:24,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:48:24,931 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:48:24,932 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-15 04:48:24,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:48:24,934 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:48:24,936 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:48:24,936 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-15 04:48:24,937 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:48:24,937 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 04:48:24,937 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:48:24,937 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:48:24,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:48:24,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:48:24,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:48:24,938 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:48:24,941 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 04:48:24,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:48:24,942 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:48:24,943 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:48:24,943 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:48:24,943 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:48:24,943 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 04:48:24,944 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:48:24,944 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:48:24,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:48:24,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:48:24,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:48:24,944 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:48:24,945 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-15 04:48:24,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:48:24,946 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:48:24,947 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:48:24,947 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:48:24,947 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:48:24,947 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 04:48:24,948 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:48:24,948 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:48:24,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:48:24,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:48:24,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:48:24,949 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:48:24,950 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-15 04:48:24,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:48:24,951 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:48:24,952 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:48:24,952 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 04:48:24,952 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:48:24,952 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 04:48:24,952 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:48:24,952 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:48:24,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:48:24,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:48:24,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:48:24,953 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:48:24,954 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-10-15 04:48:24,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:48:24,955 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:48:24,956 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:48:24,956 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 04:48:24,957 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:48:24,957 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:48:24,957 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:48:24,957 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:48:24,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:48:24,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:48:24,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:48:24,958 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:48:24,980 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2020-10-15 04:48:24,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:48:24,983 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:48:24,987 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:48:24,987 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:48:24,987 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:48:24,987 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 04:48:24,988 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:48:24,988 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:48:24,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:48:24,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:48:24,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 04:48:24,989 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:48:24,990 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-10-15 04:48:24,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:48:24,992 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:48:24,994 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:48:24,994 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 04:48:24,994 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:48:24,994 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 04:48:24,995 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:48:24,995 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:48:24,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:48:24,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:48:24,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-15 04:48:24,996 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:48:25,009 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-10-15 04:48:25,009 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [903972421] [2020-10-15 04:48:25,009 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 04:48:25,010 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-15 04:48:25,010 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [798028519] [2020-10-15 04:48:25,010 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-15 04:48:25,011 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 04:48:25,011 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-15 04:48:25,011 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2020-10-15 04:48:25,012 INFO L87 Difference]: Start difference. First operand 5971 states and 7401 transitions. Second operand 9 states. [2020-10-15 04:48:27,515 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 04:48:27,516 INFO L93 Difference]: Finished difference Result 17054 states and 21330 transitions. [2020-10-15 04:48:27,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-10-15 04:48:27,516 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 100 [2020-10-15 04:48:27,516 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 04:48:27,556 INFO L225 Difference]: With dead ends: 17054 [2020-10-15 04:48:27,556 INFO L226 Difference]: Without dead ends: 9274 [2020-10-15 04:48:27,573 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 88 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=136, Invalid=370, Unknown=0, NotChecked=0, Total=506 [2020-10-15 04:48:27,583 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9274 states. [2020-10-15 04:48:28,198 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9274 to 8911. [2020-10-15 04:48:28,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8911 states. [2020-10-15 04:48:28,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8911 states to 8911 states and 10703 transitions. [2020-10-15 04:48:28,222 INFO L78 Accepts]: Start accepts. Automaton has 8911 states and 10703 transitions. Word has length 100 [2020-10-15 04:48:28,222 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 04:48:28,223 INFO L479 AbstractCegarLoop]: Abstraction has 8911 states and 10703 transitions. [2020-10-15 04:48:28,223 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-15 04:48:28,223 INFO L276 IsEmpty]: Start isEmpty. Operand 8911 states and 10703 transitions. [2020-10-15 04:48:28,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2020-10-15 04:48:28,233 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 04:48:28,234 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 04:48:28,234 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-15 04:48:28,234 INFO L427 AbstractCegarLoop]: === Iteration 11 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 04:48:28,234 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 04:48:28,235 INFO L82 PathProgramCache]: Analyzing trace with hash -1143792605, now seen corresponding path program 1 times [2020-10-15 04:48:28,235 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 04:48:28,235 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [651131801] [2020-10-15 04:48:28,235 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 04:48:28,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:48:28,253 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:48:28,287 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:48:28,321 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:48:28,349 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:48:28,376 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:48:28,398 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:48:29,642 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:48:33,256 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:48:33,257 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 244 [2020-10-15 04:48:33,257 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-15 04:48:33,257 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5007 [2020-10-15 04:48:33,257 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:48:33,257 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:48:33,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-15 04:48:33,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 46 [2020-10-15 04:48:33,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 96 [2020-10-15 04:48:33,258 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:48:33,340 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 04:48:33,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:48:33,342 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:48:33,344 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:48:33,345 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 04:48:33,346 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:48:33,346 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 04:48:33,346 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:48:33,346 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:48:33,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:48:33,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:48:33,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:48:33,347 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:48:33,375 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 04:48:33,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:48:33,379 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:48:33,381 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:48:33,382 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 04:48:33,382 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:48:33,382 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 04:48:33,382 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:48:33,385 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:48:33,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:48:33,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:48:33,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:48:33,386 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-15 04:48:33,405 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-15 04:48:33,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:48:33,410 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:48:33,416 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:48:33,417 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-15 04:48:33,417 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:48:33,417 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-15 04:48:33,417 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:48:33,418 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:48:33,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:48:33,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:48:33,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:48:33,420 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-15 04:48:33,422 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 04:48:33,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:48:33,424 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:48:33,425 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:48:33,425 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 04:48:33,426 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:48:33,426 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:48:33,426 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:48:33,426 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:48:33,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:48:33,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:48:33,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:48:33,428 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:48:33,448 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-15 04:48:33,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:48:33,450 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:48:33,451 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:48:33,451 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 04:48:33,451 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:48:33,451 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:48:33,451 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:48:33,452 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:48:33,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:48:33,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:48:33,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:48:33,452 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:48:33,466 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-15 04:48:33,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:48:33,469 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:48:33,470 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:48:33,471 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 04:48:33,471 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:48:33,471 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 04:48:33,472 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:48:33,472 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:48:33,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:48:33,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:48:33,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-15 04:48:33,473 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:48:33,475 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-15 04:48:33,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:48:33,480 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:48:33,485 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:48:33,485 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-15 04:48:33,485 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:48:33,485 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-15 04:48:33,486 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:48:33,486 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:48:33,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:48:33,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:48:33,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27 [2020-10-15 04:48:33,487 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:48:33,489 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 04:48:33,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:48:33,501 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:48:33,503 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:48:33,503 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:48:33,504 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:48:33,504 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 04:48:33,507 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:48:33,508 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:48:33,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:48:33,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:48:33,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:48:33,510 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-10-15 04:48:33,511 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-15 04:48:33,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:48:33,513 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:48:33,514 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:48:33,514 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:48:33,514 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:48:33,514 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:48:33,515 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:48:33,515 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:48:33,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:48:33,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:48:33,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:48:33,515 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:48:33,517 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-10-15 04:48:33,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:48:33,518 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:48:33,521 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:48:33,522 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 04:48:33,522 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:48:33,522 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 04:48:33,523 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:48:33,523 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:48:33,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 04:48:33,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-15 04:48:33,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-15 04:48:33,524 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:48:33,574 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-15 04:48:33,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:48:33,581 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:48:33,589 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:48:33,614 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:48:33,650 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:48:33,650 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-15 04:48:33,651 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-15 04:48:33,651 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 71 [2020-10-15 04:48:33,651 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:48:33,651 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:48:33,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:48:33,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:48:33,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-15 04:48:33,652 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:48:33,656 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 04:48:33,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:48:33,657 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:48:33,658 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:48:33,658 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 04:48:33,658 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:48:33,658 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:48:33,659 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:48:33,659 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:48:33,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:48:33,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:48:33,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:48:33,660 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:48:33,685 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-15 04:48:33,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:48:33,687 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:48:33,689 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:48:33,690 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-15 04:48:33,690 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:48:33,690 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 04:48:33,690 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:48:33,691 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:48:33,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:48:33,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:48:33,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:48:33,691 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:48:33,693 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-15 04:48:33,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:48:33,694 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:48:33,695 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:48:33,695 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:48:33,696 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:48:33,696 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:48:33,696 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:48:33,696 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:48:33,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:48:33,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:48:33,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:48:33,697 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:48:33,699 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2020-10-15 04:48:33,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:48:33,701 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:48:33,703 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:48:33,703 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 04:48:33,703 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:48:33,703 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 04:48:33,704 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:48:33,704 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:48:33,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 04:48:33,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-15 04:48:33,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 04:48:33,704 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:48:33,722 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2020-10-15 04:48:33,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:48:33,724 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:48:33,726 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:48:33,726 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 04:48:33,726 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:48:33,727 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 04:48:33,727 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:48:33,727 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:48:33,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 04:48:33,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-15 04:48:33,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-15 04:48:33,728 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:48:33,738 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2020-10-15 04:48:33,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:48:33,742 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:48:33,746 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:48:33,747 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-15 04:48:33,747 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:48:33,747 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 04:48:33,747 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:48:33,748 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:48:33,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:48:33,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 27 [2020-10-15 04:48:33,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:48:33,748 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:48:33,750 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 04:48:33,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:48:33,751 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:48:33,752 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:48:33,752 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:48:33,753 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:48:33,753 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:48:33,753 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:48:33,753 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:48:33,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:48:33,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:48:33,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:48:33,754 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:48:33,755 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-15 04:48:33,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:48:33,757 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:48:33,758 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:48:33,758 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:48:33,758 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:48:33,758 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:48:33,758 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:48:33,758 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:48:33,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:48:33,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:48:33,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:48:33,759 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:48:33,761 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-10-15 04:48:33,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:48:33,763 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:48:33,764 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:48:33,764 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 04:48:33,764 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:48:33,764 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:48:33,764 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:48:33,764 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:48:33,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:48:33,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-15 04:48:33,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:48:33,765 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:48:33,766 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-15 04:48:33,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:48:33,768 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:48:33,770 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:48:33,770 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-15 04:48:33,770 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:48:33,771 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 04:48:33,771 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:48:33,771 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:48:33,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:48:33,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-15 04:48:33,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:48:33,772 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:48:33,773 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 04:48:33,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:48:33,774 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:48:33,775 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:48:33,775 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 04:48:33,775 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:48:33,775 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:48:33,776 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:48:33,776 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:48:33,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:48:33,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:48:33,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:48:33,777 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:48:33,778 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2020-10-15 04:48:33,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:48:33,779 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:48:33,780 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:48:33,780 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 04:48:33,780 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:48:33,781 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:48:33,781 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:48:33,781 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:48:33,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:48:33,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-15 04:48:33,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:48:33,782 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:48:33,783 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2020-10-15 04:48:33,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:48:33,785 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:48:33,788 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:48:33,788 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-15 04:48:33,788 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:48:33,788 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 04:48:33,789 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:48:33,789 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:48:33,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:48:33,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-10-15 04:48:33,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:48:33,789 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:48:33,826 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2020-10-15 04:48:33,826 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [651131801] [2020-10-15 04:48:33,827 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-15 04:48:33,827 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2020-10-15 04:48:33,827 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1817642288] [2020-10-15 04:48:33,828 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-15 04:48:33,828 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 04:48:33,828 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-15 04:48:33,828 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=137, Unknown=0, NotChecked=0, Total=182 [2020-10-15 04:48:33,828 INFO L87 Difference]: Start difference. First operand 8911 states and 10703 transitions. Second operand 14 states. [2020-10-15 04:48:36,965 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 04:48:36,965 INFO L93 Difference]: Finished difference Result 20280 states and 24626 transitions. [2020-10-15 04:48:36,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2020-10-15 04:48:36,966 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 184 [2020-10-15 04:48:36,966 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 04:48:37,010 INFO L225 Difference]: With dead ends: 20280 [2020-10-15 04:48:37,010 INFO L226 Difference]: Without dead ends: 11410 [2020-10-15 04:48:37,028 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 289 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=325, Invalid=1007, Unknown=0, NotChecked=0, Total=1332 [2020-10-15 04:48:37,041 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11410 states. [2020-10-15 04:48:37,681 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11410 to 10931. [2020-10-15 04:48:37,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10931 states. [2020-10-15 04:48:37,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10931 states to 10931 states and 13169 transitions. [2020-10-15 04:48:37,704 INFO L78 Accepts]: Start accepts. Automaton has 10931 states and 13169 transitions. Word has length 184 [2020-10-15 04:48:37,704 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 04:48:37,704 INFO L479 AbstractCegarLoop]: Abstraction has 10931 states and 13169 transitions. [2020-10-15 04:48:37,705 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-15 04:48:37,705 INFO L276 IsEmpty]: Start isEmpty. Operand 10931 states and 13169 transitions. [2020-10-15 04:48:37,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2020-10-15 04:48:37,718 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 04:48:37,718 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 04:48:37,719 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-15 04:48:37,719 INFO L427 AbstractCegarLoop]: === Iteration 12 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 04:48:37,719 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 04:48:37,719 INFO L82 PathProgramCache]: Analyzing trace with hash -1220675869, now seen corresponding path program 1 times [2020-10-15 04:48:37,719 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 04:48:37,720 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1215609482] [2020-10-15 04:48:37,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 04:48:37,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:48:37,737 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:48:37,762 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:48:37,784 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:48:37,806 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:48:37,830 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:48:37,903 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:48:38,513 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:48:38,533 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:48:41,605 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:48:42,256 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:48:42,323 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:48:42,735 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:48:42,735 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 244 [2020-10-15 04:48:42,735 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 11 [2020-10-15 04:48:42,735 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-15 04:48:42,735 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:48:42,736 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:48:42,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-15 04:48:42,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 30 [2020-10-15 04:48:42,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 125 [2020-10-15 04:48:42,736 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:48:42,793 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 04:48:42,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:48:42,797 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:48:42,798 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:48:42,798 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 04:48:42,798 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:48:42,799 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 04:48:42,799 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:48:42,799 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:48:42,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:48:42,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:48:42,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:48:42,799 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:48:42,821 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 04:48:42,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:48:42,824 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:48:42,826 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:48:42,826 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 04:48:42,826 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:48:42,826 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:48:42,826 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:48:42,826 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:48:42,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:48:42,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:48:42,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:48:42,827 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:48:42,840 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-15 04:48:42,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:48:42,845 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:48:42,848 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:48:42,849 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-15 04:48:42,849 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:48:42,849 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 04:48:42,849 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:48:42,849 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:48:42,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:48:42,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:48:42,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-15 04:48:42,849 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:48:42,851 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 04:48:42,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:48:42,852 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:48:42,854 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:48:42,854 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 04:48:42,854 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:48:42,854 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:48:42,854 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:48:42,854 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:48:42,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:48:42,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:48:42,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-15 04:48:42,855 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:48:42,866 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-15 04:48:42,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:48:42,870 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:48:42,872 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:48:42,872 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 04:48:42,872 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:48:42,872 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 04:48:42,873 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:48:42,873 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:48:42,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:48:42,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:48:42,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 04:48:42,873 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:48:42,895 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-15 04:48:42,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:48:42,897 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:48:42,898 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:48:42,901 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:48:42,901 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 04:48:42,902 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 04:48:42,902 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 04:48:42,902 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:48:42,902 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:48:42,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 04:48:42,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-15 04:48:42,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-15 04:48:42,903 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:48:42,916 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-15 04:48:42,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:48:42,920 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:48:42,924 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:48:42,924 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-15 04:48:42,924 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:48:42,925 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 04:48:42,925 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:48:42,925 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:48:42,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:48:42,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:48:42,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27 [2020-10-15 04:48:42,926 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:48:42,927 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 04:48:42,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:48:42,929 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:48:42,930 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:48:42,930 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:48:42,930 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:48:42,930 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:48:42,931 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:48:42,931 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:48:42,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:48:42,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:48:42,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:48:42,932 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:48:42,934 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-15 04:48:42,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:48:42,935 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:48:42,936 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:48:42,936 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:48:42,936 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:48:42,936 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:48:42,937 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:48:42,937 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:48:42,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:48:42,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:48:42,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:48:42,938 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:48:42,939 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-10-15 04:48:42,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:48:42,942 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:48:42,943 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:48:42,944 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 04:48:42,944 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:48:42,944 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 04:48:42,944 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:48:42,945 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:48:42,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 04:48:42,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-15 04:48:42,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-15 04:48:42,945 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:48:43,000 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-15 04:48:43,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:48:43,007 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:48:43,011 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:48:43,029 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:48:43,051 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:48:43,051 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-15 04:48:43,051 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-15 04:48:43,051 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 45 [2020-10-15 04:48:43,051 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:48:43,051 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:48:43,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:48:43,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:48:43,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-15 04:48:43,052 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:48:43,054 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 04:48:43,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:48:43,055 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:48:43,056 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:48:43,056 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 04:48:43,056 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:48:43,056 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 04:48:43,056 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:48:43,056 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:48:43,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:48:43,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:48:43,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:48:43,057 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:48:43,082 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-15 04:48:43,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:48:43,084 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:48:43,086 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:48:43,086 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-15 04:48:43,087 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:48:43,087 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 04:48:43,087 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:48:43,087 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:48:43,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:48:43,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:48:43,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:48:43,088 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:48:43,089 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-15 04:48:43,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:48:43,090 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:48:43,091 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:48:43,091 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:48:43,091 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:48:43,091 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 04:48:43,091 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:48:43,091 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:48:43,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:48:43,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:48:43,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:48:43,092 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:48:43,093 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2020-10-15 04:48:43,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:48:43,095 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:48:43,096 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:48:43,097 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 04:48:43,097 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:48:43,097 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 04:48:43,097 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:48:43,097 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:48:43,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 04:48:43,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-15 04:48:43,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 04:48:43,098 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:48:43,139 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2020-10-15 04:48:43,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:48:43,142 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:48:43,143 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:48:43,144 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:48:43,144 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 04:48:43,144 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 04:48:43,145 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 04:48:43,145 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:48:43,145 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:48:43,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 04:48:43,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-15 04:48:43,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-15 04:48:43,146 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:48:43,163 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2020-10-15 04:48:43,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:48:43,166 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:48:43,171 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:48:43,171 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-15 04:48:43,171 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:48:43,171 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 04:48:43,172 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:48:43,172 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:48:43,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:48:43,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-15 04:48:43,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-15 04:48:43,172 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:48:43,186 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 04:48:43,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:48:43,188 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:48:43,190 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:48:43,190 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:48:43,190 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:48:43,190 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 04:48:43,190 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:48:43,190 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:48:43,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:48:43,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:48:43,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-15 04:48:43,191 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:48:43,192 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-15 04:48:43,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:48:43,193 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:48:43,194 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:48:43,195 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:48:43,195 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:48:43,195 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:48:43,195 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:48:43,195 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:48:43,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:48:43,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:48:43,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 04:48:43,196 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:48:43,197 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-10-15 04:48:43,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:48:43,198 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:48:43,199 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:48:43,199 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 04:48:43,199 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:48:43,199 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:48:43,199 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:48:43,199 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:48:43,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:48:43,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-15 04:48:43,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:48:43,200 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:48:43,201 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-15 04:48:43,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:48:43,202 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:48:43,203 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:48:43,203 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-15 04:48:43,203 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:48:43,204 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:48:43,204 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:48:43,204 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:48:43,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:48:43,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-15 04:48:43,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:48:43,204 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:48:43,205 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 04:48:43,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:48:43,206 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:48:43,206 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:48:43,206 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 04:48:43,207 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:48:43,207 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 04:48:43,207 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:48:43,207 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:48:43,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:48:43,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:48:43,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:48:43,207 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:48:43,208 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2020-10-15 04:48:43,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:48:43,209 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:48:43,210 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:48:43,210 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 04:48:43,210 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:48:43,210 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:48:43,210 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:48:43,211 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:48:43,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:48:43,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-15 04:48:43,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:48:43,211 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:48:43,212 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2020-10-15 04:48:43,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:48:43,214 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:48:43,215 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:48:43,215 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-15 04:48:43,215 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:48:43,215 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:48:43,215 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:48:43,216 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:48:43,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:48:43,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-10-15 04:48:43,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:48:43,216 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:48:43,240 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 26 proven. 8 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2020-10-15 04:48:43,241 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1215609482] [2020-10-15 04:48:43,241 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-15 04:48:43,241 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2020-10-15 04:48:43,241 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [113444223] [2020-10-15 04:48:43,242 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-10-15 04:48:43,242 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 04:48:43,243 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-10-15 04:48:43,243 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=185, Unknown=0, NotChecked=0, Total=240 [2020-10-15 04:48:43,243 INFO L87 Difference]: Start difference. First operand 10931 states and 13169 transitions. Second operand 16 states. [2020-10-15 04:48:46,462 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 04:48:46,463 INFO L93 Difference]: Finished difference Result 20280 states and 24463 transitions. [2020-10-15 04:48:46,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2020-10-15 04:48:46,463 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 184 [2020-10-15 04:48:46,463 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 04:48:46,502 INFO L225 Difference]: With dead ends: 20280 [2020-10-15 04:48:46,502 INFO L226 Difference]: Without dead ends: 9390 [2020-10-15 04:48:46,522 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 220 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=289, Invalid=971, Unknown=0, NotChecked=0, Total=1260 [2020-10-15 04:48:46,532 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9390 states. [2020-10-15 04:48:47,265 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9390 to 8983. [2020-10-15 04:48:47,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8983 states. [2020-10-15 04:48:47,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8983 states to 8983 states and 10735 transitions. [2020-10-15 04:48:47,285 INFO L78 Accepts]: Start accepts. Automaton has 8983 states and 10735 transitions. Word has length 184 [2020-10-15 04:48:47,285 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 04:48:47,285 INFO L479 AbstractCegarLoop]: Abstraction has 8983 states and 10735 transitions. [2020-10-15 04:48:47,285 INFO L480 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-10-15 04:48:47,285 INFO L276 IsEmpty]: Start isEmpty. Operand 8983 states and 10735 transitions. [2020-10-15 04:48:47,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2020-10-15 04:48:47,296 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 04:48:47,296 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 04:48:47,296 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-15 04:48:47,296 INFO L427 AbstractCegarLoop]: === Iteration 13 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 04:48:47,296 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 04:48:47,297 INFO L82 PathProgramCache]: Analyzing trace with hash 2093336613, now seen corresponding path program 1 times [2020-10-15 04:48:47,297 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 04:48:47,297 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1572110758] [2020-10-15 04:48:47,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 04:48:47,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:48:47,313 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:48:47,339 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:48:47,361 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:48:47,383 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:48:47,402 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:48:47,626 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:48:47,982 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:48:48,010 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:48:52,313 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:48:52,314 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 244 [2020-10-15 04:48:52,314 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-15 04:48:52,314 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5004 [2020-10-15 04:48:52,314 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:48:52,314 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:48:52,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-15 04:48:52,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 81 [2020-10-15 04:48:52,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 96 [2020-10-15 04:48:52,315 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:48:52,370 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 04:48:52,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:48:52,373 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:48:52,376 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:48:52,377 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 04:48:52,377 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:48:52,377 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 04:48:52,377 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:48:52,377 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:48:52,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:48:52,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:48:52,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:48:52,378 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:48:52,399 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 04:48:52,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:48:52,401 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:48:52,402 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:48:52,403 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 04:48:52,403 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:48:52,403 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:48:52,403 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:48:52,403 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:48:52,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:48:52,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:48:52,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:48:52,404 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:48:52,417 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-15 04:48:52,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:48:52,419 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:48:52,420 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:48:52,421 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-15 04:48:52,421 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:48:52,421 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:48:52,421 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:48:52,421 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:48:52,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:48:52,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:48:52,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:48:52,422 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:48:52,423 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 04:48:52,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:48:52,424 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:48:52,425 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:48:52,425 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 04:48:52,425 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:48:52,425 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:48:52,425 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:48:52,425 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:48:52,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:48:52,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:48:52,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:48:52,426 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:48:52,436 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-15 04:48:52,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:48:52,438 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:48:52,439 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:48:52,439 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 04:48:52,439 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:48:52,439 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:48:52,440 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:48:52,440 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:48:52,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:48:52,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:48:52,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:48:52,440 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:48:52,452 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-15 04:48:52,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:48:52,454 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:48:52,455 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:48:52,455 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 04:48:52,455 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:48:52,455 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:48:52,455 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:48:52,455 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:48:52,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:48:52,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:48:52,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:48:52,456 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:48:52,457 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-15 04:48:52,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:48:52,458 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:48:52,459 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:48:52,459 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-15 04:48:52,460 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:48:52,460 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:48:52,460 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:48:52,460 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:48:52,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:48:52,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:48:52,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:48:52,460 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:48:52,462 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 04:48:52,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:48:52,462 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:48:52,463 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:48:52,464 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:48:52,464 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:48:52,464 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:48:52,464 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:48:52,464 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:48:52,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:48:52,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:48:52,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:48:52,465 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:48:52,466 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-15 04:48:52,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:48:52,467 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:48:52,467 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:48:52,468 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:48:52,468 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:48:52,468 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 04:48:52,468 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:48:52,468 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:48:52,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:48:52,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:48:52,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:48:52,469 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:48:52,470 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-10-15 04:48:52,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:48:52,471 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:48:52,472 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:48:52,472 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 04:48:52,472 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:48:52,473 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:48:52,473 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:48:52,473 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:48:52,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:48:52,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:48:52,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-15 04:48:52,473 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:48:52,507 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-15 04:48:52,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:48:52,513 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:48:52,518 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:48:52,531 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:48:52,567 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:48:52,568 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-15 04:48:52,568 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-15 04:48:52,568 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 55 [2020-10-15 04:48:52,568 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:48:52,569 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:48:52,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:48:52,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:48:52,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-15 04:48:52,569 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:48:52,573 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 04:48:52,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:48:52,574 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:48:52,575 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:48:52,575 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 04:48:52,575 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:48:52,575 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:48:52,576 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:48:52,576 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:48:52,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:48:52,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:48:52,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:48:52,577 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:48:52,604 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-15 04:48:52,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:48:52,606 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:48:52,607 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:48:52,608 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-15 04:48:52,608 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:48:52,608 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:48:52,608 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:48:52,608 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:48:52,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:48:52,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:48:52,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:48:52,609 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:48:52,610 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-15 04:48:52,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:48:52,611 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:48:52,612 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:48:52,612 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:48:52,612 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:48:52,612 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:48:52,613 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:48:52,613 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:48:52,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:48:52,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:48:52,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:48:52,614 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:48:52,615 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2020-10-15 04:48:52,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:48:52,617 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:48:52,619 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:48:52,619 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 04:48:52,620 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:48:52,620 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 04:48:52,620 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:48:52,620 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:48:52,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 04:48:52,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-15 04:48:52,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 04:48:52,620 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:48:52,632 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2020-10-15 04:48:52,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:48:52,635 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:48:52,637 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:48:52,637 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 04:48:52,638 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:48:52,638 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 04:48:52,638 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:48:52,638 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:48:52,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 04:48:52,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-15 04:48:52,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-15 04:48:52,639 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:48:52,640 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2020-10-15 04:48:52,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:48:52,643 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:48:52,644 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:48:52,650 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:48:52,650 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-15 04:48:52,651 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 04:48:52,651 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-15 04:48:52,651 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:48:52,651 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:48:52,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:48:52,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:48:52,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27 [2020-10-15 04:48:52,651 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:48:52,653 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 04:48:52,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:48:52,653 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:48:52,654 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:48:52,654 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:48:52,654 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:48:52,654 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 04:48:52,655 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:48:52,655 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:48:52,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:48:52,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:48:52,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:48:52,655 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:48:52,656 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-15 04:48:52,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:48:52,657 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:48:52,657 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:48:52,657 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:48:52,657 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:48:52,658 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 04:48:52,658 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:48:52,658 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:48:52,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:48:52,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:48:52,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:48:52,658 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:48:52,659 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-10-15 04:48:52,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:48:52,661 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:48:52,663 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:48:52,663 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 04:48:52,663 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:48:52,663 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:48:52,663 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:48:52,663 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:48:52,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 04:48:52,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-15 04:48:52,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-15 04:48:52,664 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:48:52,674 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-15 04:48:52,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:48:52,676 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:48:52,678 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:48:52,678 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-15 04:48:52,678 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:48:52,678 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 04:48:52,678 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:48:52,678 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:48:52,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:48:52,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-15 04:48:52,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:48:52,679 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:48:52,680 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 04:48:52,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:48:52,681 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:48:52,682 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:48:52,682 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 04:48:52,682 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:48:52,682 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:48:52,682 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:48:52,682 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:48:52,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:48:52,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:48:52,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:48:52,683 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:48:52,684 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2020-10-15 04:48:52,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:48:52,685 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:48:52,686 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:48:52,686 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 04:48:52,686 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:48:52,687 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:48:52,687 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:48:52,687 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:48:52,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:48:52,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-15 04:48:52,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:48:52,688 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:48:52,689 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2020-10-15 04:48:52,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:48:52,691 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:48:52,693 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:48:52,693 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-15 04:48:52,693 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:48:52,693 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 04:48:52,693 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:48:52,694 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:48:52,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:48:52,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-10-15 04:48:52,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:48:52,694 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:48:52,715 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 21 proven. 3 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2020-10-15 04:48:52,715 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1572110758] [2020-10-15 04:48:52,716 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-15 04:48:52,716 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-10-15 04:48:52,716 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1525812344] [2020-10-15 04:48:52,717 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-15 04:48:52,717 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 04:48:52,717 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-15 04:48:52,717 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2020-10-15 04:48:52,717 INFO L87 Difference]: Start difference. First operand 8983 states and 10735 transitions. Second operand 12 states. [2020-10-15 04:48:55,008 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 04:48:55,008 INFO L93 Difference]: Finished difference Result 13974 states and 16798 transitions. [2020-10-15 04:48:55,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-10-15 04:48:55,009 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 184 [2020-10-15 04:48:55,009 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 04:48:55,026 INFO L225 Difference]: With dead ends: 13974 [2020-10-15 04:48:55,026 INFO L226 Difference]: Without dead ends: 5032 [2020-10-15 04:48:55,041 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 153 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=197, Invalid=615, Unknown=0, NotChecked=0, Total=812 [2020-10-15 04:48:55,049 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5032 states. [2020-10-15 04:48:55,465 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5032 to 4609. [2020-10-15 04:48:55,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4609 states. [2020-10-15 04:48:55,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4609 states to 4609 states and 5369 transitions. [2020-10-15 04:48:55,475 INFO L78 Accepts]: Start accepts. Automaton has 4609 states and 5369 transitions. Word has length 184 [2020-10-15 04:48:55,476 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 04:48:55,476 INFO L479 AbstractCegarLoop]: Abstraction has 4609 states and 5369 transitions. [2020-10-15 04:48:55,476 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-15 04:48:55,476 INFO L276 IsEmpty]: Start isEmpty. Operand 4609 states and 5369 transitions. [2020-10-15 04:48:55,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 273 [2020-10-15 04:48:55,488 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 04:48:55,488 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 6, 5, 5, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-15 04:48:55,488 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-15 04:48:55,488 INFO L427 AbstractCegarLoop]: === Iteration 14 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 04:48:55,489 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 04:48:55,489 INFO L82 PathProgramCache]: Analyzing trace with hash -935971710, now seen corresponding path program 1 times [2020-10-15 04:48:55,489 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 04:48:55,489 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2032577760] [2020-10-15 04:48:55,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 04:48:55,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:48:55,529 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:48:55,637 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:48:55,665 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:48:55,695 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:48:55,721 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:48:55,761 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:48:56,120 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:48:56,336 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:49:00,520 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:49:00,520 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 354 [2020-10-15 04:49:00,520 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-15 04:49:00,520 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5009 [2020-10-15 04:49:00,521 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:49:00,521 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:49:00,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-15 04:49:00,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 107 [2020-10-15 04:49:00,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 113 [2020-10-15 04:49:00,521 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:49:00,571 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 04:49:00,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:49:00,573 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:49:00,575 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:49:00,575 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 04:49:00,575 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:49:00,576 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 04:49:00,576 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:49:00,576 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:49:00,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:49:00,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:49:00,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:49:00,577 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:49:00,602 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 04:49:00,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:49:00,604 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:49:00,606 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:49:00,606 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 04:49:00,606 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:49:00,606 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 04:49:00,607 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:49:00,607 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:49:00,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:49:00,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:49:00,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:49:00,608 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:49:00,625 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-15 04:49:00,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:49:00,627 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:49:00,627 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:49:00,628 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 04:49:00,628 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:49:00,628 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:49:00,628 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:49:00,628 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:49:00,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:49:00,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:49:00,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:49:00,629 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:49:00,643 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-15 04:49:00,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:49:00,644 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:49:00,645 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:49:00,645 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 04:49:00,646 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:49:00,646 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:49:00,646 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:49:00,646 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:49:00,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:49:00,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:49:00,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:49:00,647 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:49:00,658 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-15 04:49:00,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:49:00,659 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:49:00,660 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:49:00,660 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 04:49:00,660 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:49:00,660 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:49:00,661 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:49:00,661 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:49:00,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:49:00,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:49:00,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:49:00,661 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:49:00,662 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-15 04:49:00,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:49:00,663 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:49:00,664 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:49:00,664 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-15 04:49:00,664 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:49:00,664 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:49:00,665 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:49:00,665 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:49:00,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:49:00,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:49:00,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:49:00,665 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:49:00,666 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 04:49:00,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:49:00,667 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:49:00,667 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:49:00,667 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:49:00,668 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:49:00,668 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 04:49:00,668 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:49:00,668 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:49:00,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:49:00,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:49:00,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:49:00,668 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:49:00,669 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-15 04:49:00,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:49:00,670 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:49:00,671 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:49:00,671 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:49:00,671 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:49:00,671 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 04:49:00,671 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:49:00,671 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:49:00,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:49:00,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:49:00,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:49:00,672 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:49:00,673 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-15 04:49:00,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:49:00,674 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:49:00,675 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:49:00,675 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 04:49:00,675 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:49:00,675 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 04:49:00,675 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:49:00,675 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:49:00,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:49:00,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:49:00,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:49:00,676 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:49:00,707 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-15 04:49:00,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:49:00,712 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:49:00,715 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:49:00,720 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:49:00,748 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:49:00,749 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-15 04:49:00,749 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-15 04:49:00,749 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 37 [2020-10-15 04:49:00,749 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:49:00,749 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:49:00,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:49:00,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:49:00,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27 [2020-10-15 04:49:00,750 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:49:00,752 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 04:49:00,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:49:00,753 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:49:00,754 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:49:00,754 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 04:49:00,754 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:49:00,754 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 04:49:00,754 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:49:00,755 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:49:00,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:49:00,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:49:00,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:49:00,755 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:49:00,777 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-15 04:49:00,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:49:00,779 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:49:00,781 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:49:00,781 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-15 04:49:00,781 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:49:00,781 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 04:49:00,782 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:49:00,782 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:49:00,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:49:00,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:49:00,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:49:00,782 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:49:00,783 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-15 04:49:00,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:49:00,784 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:49:00,785 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:49:00,786 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:49:00,786 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:49:00,787 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 04:49:00,787 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 04:49:00,787 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:49:00,787 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:49:00,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:49:00,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:49:00,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 04:49:00,787 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:49:00,789 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-15 04:49:00,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:49:00,792 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:49:00,794 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:49:00,794 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-15 04:49:00,794 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:49:00,794 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 04:49:00,795 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:49:00,795 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:49:00,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:49:00,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:49:00,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-15 04:49:00,795 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:49:00,796 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 04:49:00,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:49:00,798 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:49:00,798 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:49:00,799 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 04:49:00,799 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:49:00,799 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:49:00,799 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:49:00,799 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:49:00,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:49:00,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:49:00,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:49:00,800 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:49:00,800 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2020-10-15 04:49:00,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:49:00,801 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:49:00,802 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:49:00,802 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 04:49:00,802 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:49:00,802 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 04:49:00,803 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:49:00,803 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:49:00,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:49:00,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:49:00,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 04:49:00,803 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:49:00,804 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2020-10-15 04:49:00,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:49:00,806 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:49:00,811 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:49:00,811 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-15 04:49:00,811 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:49:00,811 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 04:49:00,811 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:49:00,811 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:49:00,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 04:49:00,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-15 04:49:00,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 30 [2020-10-15 04:49:00,812 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:49:00,829 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 04:49:00,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:49:00,831 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:49:00,833 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:49:00,834 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:49:00,834 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:49:00,834 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 04:49:00,834 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:49:00,834 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:49:00,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:49:00,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:49:00,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 04:49:00,835 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:49:00,836 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-15 04:49:00,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:49:00,837 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:49:00,839 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:49:00,840 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:49:00,840 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:49:00,840 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 04:49:00,840 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:49:00,840 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:49:00,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:49:00,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:49:00,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 04:49:00,841 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:49:00,843 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-10-15 04:49:00,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:49:00,844 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:49:00,845 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:49:00,845 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 04:49:00,845 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:49:00,845 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:49:00,845 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:49:00,845 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:49:00,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:49:00,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:49:00,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 04:49:00,846 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:49:00,846 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-15 04:49:00,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:49:00,848 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:49:00,849 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:49:00,852 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:49:00,852 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-15 04:49:00,853 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 04:49:00,853 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 04:49:00,853 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:49:00,853 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:49:00,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:49:00,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:49:00,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-15 04:49:00,853 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:49:00,854 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 04:49:00,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:49:00,855 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:49:00,856 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:49:00,856 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:49:00,856 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:49:00,856 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 04:49:00,856 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:49:00,856 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:49:00,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:49:00,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:49:00,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:49:00,857 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:49:00,857 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2020-10-15 04:49:00,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:49:00,863 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:49:00,868 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:49:00,887 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:49:00,887 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-10-15 04:49:00,888 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 04:49:00,888 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-15 04:49:00,888 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:49:00,888 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:49:00,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 04:49:00,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-15 04:49:00,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 49 [2020-10-15 04:49:00,888 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:49:00,914 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 04:49:00,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:49:00,916 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:49:00,917 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:49:00,918 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:49:00,918 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:49:00,918 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 04:49:00,918 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:49:00,918 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:49:00,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-15 04:49:00,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:49:00,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 04:49:00,919 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:49:00,957 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-15 04:49:00,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:49:00,960 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:49:00,963 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:49:00,963 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-15 04:49:00,963 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:49:00,964 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 04:49:00,964 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:49:00,964 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:49:00,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:49:00,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:49:00,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-15 04:49:00,964 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:49:00,966 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-15 04:49:00,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:49:00,967 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:49:00,968 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:49:00,968 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:49:00,968 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:49:00,968 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:49:00,968 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:49:00,968 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:49:00,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:49:00,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:49:00,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 04:49:00,969 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:49:00,971 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2020-10-15 04:49:00,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:49:00,972 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:49:00,972 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:49:00,972 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 04:49:00,973 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:49:00,973 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 04:49:00,973 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:49:00,973 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:49:00,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:49:00,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 04:49:00,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:49:00,973 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:49:00,974 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2020-10-15 04:49:00,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:49:00,975 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:49:00,975 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:49:00,975 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 04:49:00,976 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:49:00,976 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 04:49:00,976 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:49:00,976 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:49:00,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:49:00,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-15 04:49:00,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:49:00,976 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:49:00,977 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2020-10-15 04:49:00,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:49:00,979 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:49:00,981 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:49:00,981 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-15 04:49:00,981 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:49:00,981 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 04:49:00,981 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:49:00,981 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:49:00,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:49:00,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 27 [2020-10-15 04:49:00,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:49:00,982 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:49:00,983 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 04:49:00,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:49:00,984 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:49:00,985 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:49:00,985 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:49:00,985 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:49:00,986 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 04:49:00,986 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:49:00,986 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:49:00,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:49:00,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:49:00,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:49:00,987 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:49:00,988 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-15 04:49:00,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:49:00,988 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:49:00,989 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:49:00,990 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:49:00,990 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:49:00,990 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:49:00,990 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:49:00,990 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:49:00,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:49:00,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:49:00,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:49:00,991 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:49:00,992 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2020-10-15 04:49:00,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:49:00,993 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:49:00,994 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:49:00,994 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 04:49:00,995 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:49:00,995 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:49:00,995 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:49:00,995 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:49:00,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:49:00,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-15 04:49:00,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:49:00,996 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:49:00,997 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2020-10-15 04:49:00,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:49:00,999 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:49:01,000 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:49:01,001 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-15 04:49:01,001 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:49:01,001 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 04:49:01,001 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:49:01,001 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:49:01,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:49:01,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-15 04:49:01,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:49:01,002 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:49:01,003 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 04:49:01,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:49:01,004 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:49:01,005 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:49:01,005 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:49:01,006 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:49:01,006 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:49:01,006 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:49:01,006 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:49:01,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:49:01,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:49:01,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:49:01,007 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:49:01,008 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2020-10-15 04:49:01,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:49:01,009 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:49:01,010 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:49:01,010 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:49:01,010 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:49:01,011 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:49:01,011 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:49:01,011 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:49:01,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:49:01,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-15 04:49:01,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:49:01,012 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:49:01,060 INFO L134 CoverageAnalysis]: Checked inductivity of 301 backedges. 80 proven. 27 refuted. 0 times theorem prover too weak. 194 trivial. 0 not checked. [2020-10-15 04:49:01,060 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2032577760] [2020-10-15 04:49:01,061 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-15 04:49:01,061 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2020-10-15 04:49:01,061 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1341667217] [2020-10-15 04:49:01,061 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-10-15 04:49:01,061 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 04:49:01,062 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-10-15 04:49:01,062 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=160, Unknown=0, NotChecked=0, Total=210 [2020-10-15 04:49:01,062 INFO L87 Difference]: Start difference. First operand 4609 states and 5369 transitions. Second operand 15 states. [2020-10-15 04:49:04,097 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 04:49:04,097 INFO L93 Difference]: Finished difference Result 9452 states and 11171 transitions. [2020-10-15 04:49:04,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2020-10-15 04:49:04,098 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 272 [2020-10-15 04:49:04,098 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 04:49:04,111 INFO L225 Difference]: With dead ends: 9452 [2020-10-15 04:49:04,111 INFO L226 Difference]: Without dead ends: 4884 [2020-10-15 04:49:04,119 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 285 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=272, Invalid=1060, Unknown=0, NotChecked=0, Total=1332 [2020-10-15 04:49:04,124 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4884 states. [2020-10-15 04:49:04,416 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4884 to 4665. [2020-10-15 04:49:04,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4665 states. [2020-10-15 04:49:04,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4665 states to 4665 states and 5376 transitions. [2020-10-15 04:49:04,427 INFO L78 Accepts]: Start accepts. Automaton has 4665 states and 5376 transitions. Word has length 272 [2020-10-15 04:49:04,428 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 04:49:04,428 INFO L479 AbstractCegarLoop]: Abstraction has 4665 states and 5376 transitions. [2020-10-15 04:49:04,428 INFO L480 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-10-15 04:49:04,428 INFO L276 IsEmpty]: Start isEmpty. Operand 4665 states and 5376 transitions. [2020-10-15 04:49:04,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 274 [2020-10-15 04:49:04,436 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 04:49:04,437 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 6, 5, 5, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-15 04:49:04,437 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-15 04:49:04,437 INFO L427 AbstractCegarLoop]: === Iteration 15 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 04:49:04,437 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 04:49:04,437 INFO L82 PathProgramCache]: Analyzing trace with hash 277068585, now seen corresponding path program 1 times [2020-10-15 04:49:04,438 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 04:49:04,438 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [972723262] [2020-10-15 04:49:04,438 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 04:49:04,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:49:04,466 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:49:04,484 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:49:04,502 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:49:04,520 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:49:04,720 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:49:04,933 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:49:09,461 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:49:09,462 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 355 [2020-10-15 04:49:09,462 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-15 04:49:09,462 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5005 [2020-10-15 04:49:09,462 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:49:09,462 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:49:09,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 04:49:09,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 104 [2020-10-15 04:49:09,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 170 [2020-10-15 04:49:09,462 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:49:09,514 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 04:49:09,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:49:09,517 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:49:09,518 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:49:09,518 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 04:49:09,519 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:49:09,519 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 04:49:09,519 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:49:09,519 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:49:09,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:49:09,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:49:09,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:49:09,519 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:49:09,539 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 04:49:09,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:49:09,541 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:49:09,542 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:49:09,542 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 04:49:09,542 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:49:09,542 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:49:09,542 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:49:09,542 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:49:09,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:49:09,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:49:09,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:49:09,543 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:49:09,555 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-15 04:49:09,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:49:09,557 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:49:09,557 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:49:09,557 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 04:49:09,558 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:49:09,558 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 04:49:09,558 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:49:09,558 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:49:09,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:49:09,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:49:09,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:49:09,558 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:49:09,568 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-15 04:49:09,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:49:09,570 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:49:09,571 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:49:09,571 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 04:49:09,571 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:49:09,571 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:49:09,572 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:49:09,572 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:49:09,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:49:09,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:49:09,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:49:09,572 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:49:09,583 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-15 04:49:09,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:49:09,584 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:49:09,585 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:49:09,585 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 04:49:09,585 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:49:09,585 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 04:49:09,586 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:49:09,586 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:49:09,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:49:09,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:49:09,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:49:09,586 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:49:09,587 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-15 04:49:09,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:49:09,588 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:49:09,589 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:49:09,590 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-15 04:49:09,590 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:49:09,590 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:49:09,590 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:49:09,590 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:49:09,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:49:09,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:49:09,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:49:09,591 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:49:09,592 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 04:49:09,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:49:09,592 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:49:09,593 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:49:09,593 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:49:09,593 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:49:09,593 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 04:49:09,594 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:49:09,594 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:49:09,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:49:09,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:49:09,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:49:09,594 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:49:09,595 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-15 04:49:09,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:49:09,596 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:49:09,597 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:49:09,597 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:49:09,597 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:49:09,597 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 04:49:09,597 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:49:09,597 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:49:09,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:49:09,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:49:09,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:49:09,598 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:49:09,598 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-15 04:49:09,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:49:09,599 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:49:09,599 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:49:09,600 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 04:49:09,600 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:49:09,600 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 04:49:09,600 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:49:09,600 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:49:09,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:49:09,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:49:09,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:49:09,601 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:49:09,637 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-15 04:49:09,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:49:09,643 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:49:09,646 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:49:09,682 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:49:09,683 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-10-15 04:49:09,683 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 04:49:09,683 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 41 [2020-10-15 04:49:09,683 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:49:09,683 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:49:09,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:49:09,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:49:09,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-15 04:49:09,684 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:49:09,687 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 04:49:09,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:49:09,687 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:49:09,688 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:49:09,688 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 04:49:09,688 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:49:09,689 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 04:49:09,689 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:49:09,689 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:49:09,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:49:09,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:49:09,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:49:09,689 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:49:09,712 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-15 04:49:09,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:49:09,715 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:49:09,718 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:49:09,718 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-15 04:49:09,718 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:49:09,718 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 04:49:09,718 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:49:09,719 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:49:09,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:49:09,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:49:09,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-15 04:49:09,720 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:49:09,721 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-15 04:49:09,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:49:09,723 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:49:09,724 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:49:09,724 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:49:09,724 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:49:09,724 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:49:09,724 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:49:09,725 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:49:09,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:49:09,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:49:09,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 04:49:09,725 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:49:09,727 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-15 04:49:09,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:49:09,731 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:49:09,733 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:49:09,734 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-15 04:49:09,734 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:49:09,734 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 04:49:09,734 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:49:09,734 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:49:09,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:49:09,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:49:09,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-15 04:49:09,735 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:49:09,736 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 04:49:09,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:49:09,737 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:49:09,738 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:49:09,738 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 04:49:09,738 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:49:09,738 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:49:09,738 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:49:09,739 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:49:09,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:49:09,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:49:09,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:49:09,739 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:49:09,740 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2020-10-15 04:49:09,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:49:09,741 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:49:09,742 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:49:09,742 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 04:49:09,742 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:49:09,742 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 04:49:09,742 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:49:09,742 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:49:09,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:49:09,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:49:09,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 04:49:09,743 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:49:09,744 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2020-10-15 04:49:09,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:49:09,746 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:49:09,747 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:49:09,750 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:49:09,750 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-15 04:49:09,750 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 04:49:09,750 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 04:49:09,750 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:49:09,750 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:49:09,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:49:09,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:49:09,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27 [2020-10-15 04:49:09,751 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:49:09,753 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 04:49:09,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:49:09,754 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:49:09,754 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:49:09,755 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:49:09,755 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:49:09,755 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:49:09,755 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:49:09,756 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:49:09,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:49:09,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:49:09,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:49:09,756 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:49:09,757 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-15 04:49:09,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:49:09,758 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:49:09,759 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:49:09,759 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:49:09,760 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:49:09,760 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:49:09,760 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:49:09,760 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:49:09,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:49:09,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:49:09,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:49:09,760 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:49:09,761 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-10-15 04:49:09,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:49:09,763 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:49:09,763 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:49:09,764 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 04:49:09,764 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:49:09,764 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:49:09,764 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:49:09,764 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:49:09,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:49:09,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:49:09,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 04:49:09,764 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:49:09,765 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-10-15 04:49:09,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:49:09,767 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:49:09,769 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:49:09,770 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-15 04:49:09,770 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:49:09,770 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 04:49:09,770 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:49:09,770 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:49:09,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:49:09,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:49:09,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-15 04:49:09,771 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:49:09,773 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 04:49:09,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:49:09,774 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:49:09,775 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:49:09,775 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:49:09,775 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:49:09,775 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:49:09,775 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:49:09,776 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:49:09,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:49:09,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:49:09,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:49:09,776 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:49:09,778 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2020-10-15 04:49:09,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:49:09,783 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:49:09,796 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:49:09,797 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-10-15 04:49:09,797 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:49:09,797 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-15 04:49:09,797 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:49:09,797 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:49:09,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 04:49:09,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-15 04:49:09,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 49 [2020-10-15 04:49:09,798 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:49:09,836 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 04:49:09,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:49:09,839 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:49:09,841 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:49:09,842 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:49:09,842 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:49:09,842 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 04:49:09,842 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:49:09,842 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:49:09,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:49:09,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:49:09,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 04:49:09,843 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:49:09,873 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-15 04:49:09,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:49:09,879 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:49:09,883 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:49:09,884 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-15 04:49:09,884 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:49:09,884 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 04:49:09,884 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:49:09,884 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:49:09,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:49:09,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:49:09,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-15 04:49:09,885 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:49:09,888 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-15 04:49:09,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:49:09,890 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:49:09,894 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:49:09,894 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:49:09,894 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:49:09,894 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 04:49:09,895 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:49:09,895 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:49:09,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:49:09,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:49:09,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 04:49:09,896 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:49:09,899 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2020-10-15 04:49:09,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:49:09,901 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:49:09,902 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:49:09,902 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 04:49:09,902 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:49:09,902 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:49:09,902 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:49:09,903 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:49:09,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:49:09,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:49:09,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 04:49:09,903 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:49:09,904 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2020-10-15 04:49:09,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:49:09,906 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:49:09,907 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:49:09,907 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 04:49:09,908 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:49:09,908 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:49:09,908 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:49:09,908 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:49:09,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:49:09,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:49:09,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 04:49:09,908 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:49:09,909 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2020-10-15 04:49:09,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:49:09,912 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:49:09,915 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:49:09,915 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-15 04:49:09,915 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:49:09,915 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 04:49:09,915 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:49:09,915 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:49:09,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:49:09,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-15 04:49:09,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-15 04:49:09,916 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:49:09,926 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 04:49:09,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:49:09,928 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:49:09,929 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:49:09,929 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:49:09,929 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:49:09,930 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:49:09,930 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:49:09,930 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:49:09,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:49:09,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:49:09,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-15 04:49:09,930 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:49:09,932 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-15 04:49:09,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:49:09,933 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:49:09,934 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:49:09,934 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:49:09,934 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:49:09,934 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:49:09,935 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:49:09,935 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:49:09,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:49:09,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:49:09,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 04:49:09,935 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:49:09,936 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2020-10-15 04:49:09,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:49:09,938 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:49:09,938 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:49:09,938 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 04:49:09,938 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:49:09,939 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 04:49:09,939 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:49:09,939 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:49:09,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:49:09,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-15 04:49:09,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:49:09,939 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:49:09,940 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2020-10-15 04:49:09,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:49:09,942 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:49:09,943 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:49:09,943 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-15 04:49:09,943 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:49:09,943 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:49:09,943 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:49:09,943 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:49:09,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:49:09,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-15 04:49:09,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:49:09,944 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:49:09,945 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 04:49:09,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:49:09,945 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:49:09,946 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:49:09,946 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:49:09,946 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:49:09,946 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 04:49:09,947 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:49:09,947 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:49:09,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:49:09,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:49:09,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:49:09,947 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:49:09,948 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2020-10-15 04:49:09,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:49:09,949 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:49:09,950 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:49:09,950 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:49:09,950 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:49:09,950 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:49:09,950 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:49:09,950 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:49:09,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:49:09,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-15 04:49:09,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:49:09,951 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:49:10,002 INFO L134 CoverageAnalysis]: Checked inductivity of 303 backedges. 78 proven. 12 refuted. 0 times theorem prover too weak. 213 trivial. 0 not checked. [2020-10-15 04:49:10,003 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [972723262] [2020-10-15 04:49:10,003 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-15 04:49:10,003 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-10-15 04:49:10,004 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1523634445] [2020-10-15 04:49:10,004 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-15 04:49:10,004 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 04:49:10,005 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-15 04:49:10,005 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=116, Unknown=0, NotChecked=0, Total=156 [2020-10-15 04:49:10,005 INFO L87 Difference]: Start difference. First operand 4665 states and 5376 transitions. Second operand 13 states. [2020-10-15 04:49:12,653 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 04:49:12,653 INFO L93 Difference]: Finished difference Result 8920 states and 10494 transitions. [2020-10-15 04:49:12,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2020-10-15 04:49:12,653 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 273 [2020-10-15 04:49:12,654 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 04:49:12,664 INFO L225 Difference]: With dead ends: 8920 [2020-10-15 04:49:12,664 INFO L226 Difference]: Without dead ends: 4331 [2020-10-15 04:49:12,671 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 82 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 226 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=241, Invalid=881, Unknown=0, NotChecked=0, Total=1122 [2020-10-15 04:49:12,675 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4331 states. [2020-10-15 04:49:12,913 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4331 to 4141. [2020-10-15 04:49:12,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4141 states. [2020-10-15 04:49:12,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4141 states to 4141 states and 4728 transitions. [2020-10-15 04:49:12,920 INFO L78 Accepts]: Start accepts. Automaton has 4141 states and 4728 transitions. Word has length 273 [2020-10-15 04:49:12,921 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 04:49:12,921 INFO L479 AbstractCegarLoop]: Abstraction has 4141 states and 4728 transitions. [2020-10-15 04:49:12,921 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-15 04:49:12,921 INFO L276 IsEmpty]: Start isEmpty. Operand 4141 states and 4728 transitions. [2020-10-15 04:49:12,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 276 [2020-10-15 04:49:12,928 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 04:49:12,928 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 6, 5, 5, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-15 04:49:12,929 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-10-15 04:49:12,929 INFO L427 AbstractCegarLoop]: === Iteration 16 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 04:49:12,929 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 04:49:12,929 INFO L82 PathProgramCache]: Analyzing trace with hash 311780819, now seen corresponding path program 1 times [2020-10-15 04:49:12,929 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 04:49:12,929 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1645425673] [2020-10-15 04:49:12,929 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 04:49:12,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:49:12,953 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:49:12,969 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:49:12,987 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:49:13,129 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:49:16,211 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:49:16,211 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 357 [2020-10-15 04:49:16,211 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-15 04:49:16,211 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3265 [2020-10-15 04:49:16,211 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:49:16,211 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:49:16,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-15 04:49:16,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 143 [2020-10-15 04:49:16,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 121 [2020-10-15 04:49:16,212 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:49:16,281 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 04:49:16,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:49:16,283 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:49:16,285 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:49:16,286 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 04:49:16,286 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:49:16,286 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 04:49:16,286 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:49:16,286 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:49:16,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:49:16,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:49:16,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:49:16,287 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:49:16,308 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 04:49:16,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:49:16,310 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:49:16,311 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:49:16,311 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 04:49:16,311 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:49:16,311 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:49:16,311 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:49:16,311 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:49:16,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:49:16,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:49:16,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:49:16,312 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:49:16,325 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-15 04:49:16,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:49:16,327 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:49:16,328 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:49:16,328 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 04:49:16,328 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:49:16,328 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:49:16,328 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:49:16,328 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:49:16,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:49:16,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:49:16,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:49:16,329 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:49:16,339 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-15 04:49:16,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:49:16,340 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:49:16,341 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:49:16,341 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 04:49:16,342 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:49:16,342 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:49:16,342 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:49:16,342 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:49:16,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:49:16,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:49:16,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:49:16,343 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:49:16,356 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-15 04:49:16,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:49:16,358 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:49:16,359 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:49:16,359 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 04:49:16,359 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:49:16,359 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:49:16,359 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:49:16,360 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:49:16,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:49:16,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:49:16,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:49:16,360 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:49:16,361 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-15 04:49:16,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:49:16,363 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:49:16,364 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:49:16,364 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-15 04:49:16,364 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:49:16,365 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:49:16,365 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:49:16,365 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:49:16,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:49:16,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:49:16,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:49:16,365 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:49:16,366 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 04:49:16,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:49:16,367 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:49:16,368 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:49:16,368 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:49:16,368 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:49:16,368 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 04:49:16,368 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:49:16,369 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:49:16,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:49:16,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:49:16,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:49:16,369 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:49:16,370 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-15 04:49:16,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:49:16,371 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:49:16,372 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:49:16,372 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:49:16,372 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:49:16,372 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 04:49:16,372 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:49:16,373 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:49:16,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:49:16,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:49:16,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:49:16,373 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:49:16,374 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-15 04:49:16,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:49:16,375 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:49:16,376 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:49:16,376 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 04:49:16,376 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:49:16,376 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 04:49:16,376 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:49:16,376 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:49:16,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:49:16,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:49:16,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:49:16,377 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:49:16,411 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-15 04:49:16,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:49:16,414 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:49:16,417 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:49:16,440 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:49:16,440 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-10-15 04:49:16,440 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 04:49:16,440 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-15 04:49:16,440 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:49:16,441 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:49:16,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-15 04:49:16,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 35 [2020-10-15 04:49:16,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 04:49:16,441 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:49:16,464 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 04:49:16,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:49:16,466 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:49:16,467 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:49:16,467 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 04:49:16,467 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:49:16,467 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:49:16,467 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:49:16,468 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:49:16,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:49:16,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:49:16,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:49:16,468 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:49:16,499 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-15 04:49:16,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:49:16,501 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:49:16,506 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:49:16,506 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-15 04:49:16,506 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:49:16,506 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 04:49:16,506 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:49:16,507 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:49:16,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:49:16,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:49:16,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:49:16,507 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:49:16,508 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-15 04:49:16,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:49:16,509 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:49:16,511 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:49:16,512 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:49:16,512 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:49:16,512 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 04:49:16,512 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:49:16,512 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:49:16,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 04:49:16,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:49:16,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-15 04:49:16,513 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:49:16,537 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-15 04:49:16,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:49:16,539 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:49:16,540 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:49:16,541 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-15 04:49:16,541 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:49:16,541 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:49:16,541 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:49:16,541 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:49:16,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:49:16,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:49:16,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:49:16,542 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:49:16,542 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 04:49:16,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:49:16,543 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:49:16,544 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:49:16,544 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 04:49:16,544 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:49:16,545 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:49:16,545 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:49:16,545 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:49:16,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:49:16,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:49:16,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:49:16,545 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:49:16,546 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2020-10-15 04:49:16,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:49:16,547 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:49:16,548 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:49:16,548 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 04:49:16,548 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:49:16,548 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 04:49:16,548 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:49:16,548 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:49:16,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:49:16,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:49:16,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-15 04:49:16,549 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:49:16,550 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2020-10-15 04:49:16,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:49:16,552 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:49:16,554 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:49:16,554 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-15 04:49:16,554 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:49:16,555 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 04:49:16,555 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:49:16,555 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:49:16,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:49:16,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:49:16,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-10-15 04:49:16,555 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:49:16,557 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 04:49:16,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:49:16,557 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:49:16,558 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:49:16,558 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-15 04:49:16,558 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:49:16,558 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 04:49:16,558 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:49:16,558 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:49:16,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:49:16,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:49:16,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:49:16,559 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:49:16,560 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-15 04:49:16,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:49:16,561 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:49:16,561 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:49:16,561 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:49:16,562 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:49:16,562 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 04:49:16,562 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:49:16,562 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:49:16,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:49:16,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:49:16,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:49:16,562 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:49:16,563 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-10-15 04:49:16,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:49:16,564 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:49:16,566 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:49:16,566 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 04:49:16,566 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:49:16,566 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:49:16,566 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:49:16,566 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:49:16,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 04:49:16,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-15 04:49:16,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-15 04:49:16,567 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:49:16,583 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-10-15 04:49:16,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:49:16,585 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:49:16,588 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:49:16,588 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-15 04:49:16,589 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:49:16,589 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 04:49:16,589 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:49:16,589 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:49:16,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:49:16,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:49:16,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-15 04:49:16,590 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:49:16,592 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 04:49:16,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:49:16,592 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:49:16,593 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:49:16,593 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:49:16,593 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:49:16,593 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 04:49:16,594 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:49:16,594 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:49:16,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:49:16,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:49:16,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:49:16,594 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:49:16,595 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2020-10-15 04:49:16,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:49:16,600 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:49:16,608 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:49:16,609 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-10-15 04:49:16,609 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:49:16,609 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-15 04:49:16,609 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:49:16,609 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:49:16,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:49:16,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:49:16,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 46 [2020-10-15 04:49:16,610 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:49:16,613 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 04:49:16,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:49:16,614 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:49:16,614 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:49:16,614 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:49:16,614 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:49:16,615 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 04:49:16,615 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:49:16,615 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:49:16,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:49:16,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:49:16,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:49:16,615 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:49:16,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-15 04:49:16,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:49:16,653 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:49:16,655 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:49:16,655 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-15 04:49:16,655 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:49:16,655 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 04:49:16,656 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:49:16,656 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:49:16,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:49:16,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:49:16,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:49:16,656 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:49:16,657 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-15 04:49:16,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:49:16,659 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:49:16,660 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:49:16,660 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:49:16,660 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:49:16,660 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:49:16,660 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:49:16,660 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:49:16,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:49:16,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:49:16,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:49:16,661 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:49:16,663 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2020-10-15 04:49:16,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:49:16,665 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:49:16,667 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:49:16,667 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 04:49:16,667 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:49:16,667 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 04:49:16,667 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:49:16,668 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:49:16,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 04:49:16,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-15 04:49:16,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 04:49:16,668 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:49:16,669 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2020-10-15 04:49:16,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:49:16,671 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:49:16,672 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:49:16,672 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 04:49:16,672 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:49:16,672 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:49:16,673 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:49:16,673 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:49:16,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 04:49:16,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-15 04:49:16,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-15 04:49:16,673 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:49:16,688 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2020-10-15 04:49:16,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:49:16,692 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:49:16,694 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:49:16,694 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-15 04:49:16,694 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:49:16,694 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 04:49:16,694 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:49:16,694 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:49:16,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:49:16,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 28 [2020-10-15 04:49:16,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:49:16,695 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:49:16,696 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 04:49:16,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:49:16,697 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:49:16,698 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:49:16,698 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-15 04:49:16,698 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:49:16,698 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 04:49:16,698 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:49:16,699 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:49:16,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:49:16,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:49:16,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:49:16,699 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:49:16,700 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-15 04:49:16,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:49:16,701 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:49:16,702 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:49:16,702 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:49:16,702 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:49:16,702 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:49:16,702 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:49:16,702 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:49:16,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:49:16,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:49:16,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:49:16,703 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:49:16,704 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-15 04:49:16,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:49:16,705 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:49:16,706 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:49:16,706 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 04:49:16,706 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:49:16,706 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:49:16,706 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:49:16,707 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:49:16,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:49:16,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-15 04:49:16,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:49:16,707 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:49:16,708 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2020-10-15 04:49:16,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:49:16,710 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:49:16,712 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:49:16,712 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-15 04:49:16,712 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:49:16,712 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:49:16,712 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:49:16,712 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:49:16,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:49:16,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-15 04:49:16,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:49:16,713 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:49:16,714 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 04:49:16,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:49:16,714 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:49:16,715 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:49:16,715 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:49:16,715 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:49:16,716 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 04:49:16,716 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:49:16,716 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:49:16,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:49:16,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:49:16,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:49:16,717 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:49:16,718 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2020-10-15 04:49:16,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:49:16,719 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:49:16,720 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:49:16,721 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:49:16,721 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:49:16,721 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:49:16,721 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:49:16,721 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:49:16,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:49:16,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-15 04:49:16,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:49:16,722 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:49:16,839 INFO L134 CoverageAnalysis]: Checked inductivity of 304 backedges. 66 proven. 26 refuted. 0 times theorem prover too weak. 212 trivial. 0 not checked. [2020-10-15 04:49:16,839 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1645425673] [2020-10-15 04:49:16,840 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-15 04:49:16,840 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2020-10-15 04:49:16,840 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1105425451] [2020-10-15 04:49:16,841 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-10-15 04:49:16,841 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 04:49:16,845 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-10-15 04:49:16,846 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=225, Unknown=0, NotChecked=0, Total=272 [2020-10-15 04:49:16,846 INFO L87 Difference]: Start difference. First operand 4141 states and 4728 transitions. Second operand 17 states. [2020-10-15 04:49:20,014 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 04:49:20,014 INFO L93 Difference]: Finished difference Result 7111 states and 8283 transitions. [2020-10-15 04:49:20,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2020-10-15 04:49:20,015 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 275 [2020-10-15 04:49:20,015 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 04:49:20,022 INFO L225 Difference]: With dead ends: 7111 [2020-10-15 04:49:20,022 INFO L226 Difference]: Without dead ends: 2999 [2020-10-15 04:49:20,027 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 331 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=405, Invalid=1317, Unknown=0, NotChecked=0, Total=1722 [2020-10-15 04:49:20,029 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2999 states. [2020-10-15 04:49:20,178 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2999 to 2713. [2020-10-15 04:49:20,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2713 states. [2020-10-15 04:49:20,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2713 states to 2713 states and 3092 transitions. [2020-10-15 04:49:20,184 INFO L78 Accepts]: Start accepts. Automaton has 2713 states and 3092 transitions. Word has length 275 [2020-10-15 04:49:20,184 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 04:49:20,184 INFO L479 AbstractCegarLoop]: Abstraction has 2713 states and 3092 transitions. [2020-10-15 04:49:20,184 INFO L480 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-10-15 04:49:20,184 INFO L276 IsEmpty]: Start isEmpty. Operand 2713 states and 3092 transitions. [2020-10-15 04:49:20,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 295 [2020-10-15 04:49:20,189 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 04:49:20,189 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 8, 6, 6, 6, 6, 6, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-15 04:49:20,189 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-10-15 04:49:20,189 INFO L427 AbstractCegarLoop]: === Iteration 17 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 04:49:20,189 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 04:49:20,190 INFO L82 PathProgramCache]: Analyzing trace with hash -173980200, now seen corresponding path program 1 times [2020-10-15 04:49:20,190 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 04:49:20,190 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [167148400] [2020-10-15 04:49:20,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 04:49:20,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:49:20,237 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:49:20,269 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:49:20,347 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:49:20,388 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:49:20,561 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:49:23,566 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:49:23,566 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 380 [2020-10-15 04:49:23,566 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-15 04:49:23,566 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3348 [2020-10-15 04:49:23,567 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:49:23,567 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:49:23,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-15 04:49:23,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 202 [2020-10-15 04:49:23,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 109 [2020-10-15 04:49:23,567 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:49:23,622 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 04:49:23,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:49:23,624 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:49:23,626 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:49:23,626 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 04:49:23,627 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:49:23,627 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 04:49:23,627 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:49:23,627 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:49:23,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:49:23,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:49:23,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:49:23,627 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:49:23,648 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 04:49:23,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:49:23,650 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:49:23,651 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:49:23,651 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 04:49:23,651 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:49:23,651 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:49:23,651 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:49:23,651 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:49:23,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:49:23,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:49:23,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:49:23,652 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:49:23,664 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-15 04:49:23,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:49:23,665 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:49:23,666 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:49:23,666 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 04:49:23,666 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:49:23,666 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:49:23,666 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:49:23,666 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:49:23,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:49:23,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:49:23,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:49:23,667 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:49:23,676 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-15 04:49:23,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:49:23,677 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:49:23,678 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:49:23,678 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 04:49:23,678 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:49:23,678 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:49:23,678 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:49:23,679 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:49:23,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:49:23,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:49:23,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:49:23,679 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:49:23,689 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-15 04:49:23,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:49:23,691 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:49:23,691 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:49:23,692 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 04:49:23,692 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:49:23,692 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 04:49:23,692 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:49:23,692 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:49:23,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:49:23,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:49:23,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:49:23,693 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:49:23,694 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-15 04:49:23,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:49:23,695 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:49:23,696 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:49:23,696 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-15 04:49:23,696 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:49:23,696 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:49:23,696 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:49:23,697 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:49:23,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:49:23,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:49:23,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:49:23,697 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:49:23,698 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 04:49:23,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:49:23,698 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:49:23,699 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:49:23,699 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:49:23,699 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:49:23,699 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 04:49:23,700 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:49:23,700 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:49:23,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:49:23,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:49:23,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:49:23,700 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:49:23,701 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-15 04:49:23,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:49:23,701 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:49:23,702 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:49:23,702 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:49:23,702 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:49:23,703 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 04:49:23,703 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:49:23,703 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:49:23,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:49:23,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:49:23,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:49:23,703 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:49:23,704 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-15 04:49:23,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:49:23,705 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:49:23,705 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:49:23,705 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 04:49:23,705 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:49:23,705 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 04:49:23,706 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:49:23,706 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:49:23,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:49:23,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:49:23,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:49:23,706 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:49:23,737 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-15 04:49:23,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:49:23,740 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:49:23,748 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:49:23,748 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 69 [2020-10-15 04:49:23,748 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:49:23,748 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-15 04:49:23,748 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:49:23,748 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:49:23,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:49:23,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:49:23,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:49:23,749 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:49:23,752 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 04:49:23,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:49:23,752 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:49:23,753 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:49:23,753 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 04:49:23,753 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:49:23,753 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 04:49:23,753 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:49:23,754 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:49:23,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:49:23,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:49:23,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:49:23,754 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:49:23,775 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-15 04:49:23,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:49:23,777 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:49:23,778 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:49:23,778 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:49:23,778 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:49:23,778 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:49:23,778 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:49:23,779 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:49:23,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:49:23,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:49:23,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:49:23,779 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:49:23,780 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-15 04:49:23,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:49:23,780 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:49:23,781 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:49:23,781 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 04:49:23,781 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:49:23,781 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 04:49:23,782 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:49:23,782 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:49:23,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:49:23,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:49:23,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:49:23,782 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:49:23,804 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-15 04:49:23,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:49:23,806 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:49:23,808 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:49:23,808 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-15 04:49:23,808 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:49:23,808 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:49:23,809 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:49:23,809 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:49:23,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:49:23,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:49:23,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:49:23,809 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:49:23,810 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-15 04:49:23,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:49:23,811 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:49:23,811 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:49:23,812 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:49:23,812 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:49:23,812 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 04:49:23,812 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:49:23,812 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:49:23,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:49:23,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:49:23,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:49:23,813 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:49:23,815 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2020-10-15 04:49:23,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:49:23,816 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:49:23,817 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:49:23,817 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-15 04:49:23,817 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:49:23,817 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:49:23,817 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:49:23,817 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:49:23,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:49:23,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:49:23,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:49:23,818 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:49:23,818 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 04:49:23,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:49:23,819 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:49:23,820 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:49:23,820 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 04:49:23,820 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:49:23,820 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 04:49:23,820 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:49:23,821 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:49:23,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:49:23,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:49:23,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:49:23,821 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:49:23,822 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2020-10-15 04:49:23,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:49:23,822 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:49:23,823 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:49:23,823 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 04:49:23,823 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:49:23,823 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 04:49:23,823 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:49:23,823 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:49:23,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:49:23,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:49:23,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:49:23,824 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:49:23,824 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2020-10-15 04:49:23,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:49:23,825 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:49:23,827 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:49:23,827 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-15 04:49:23,827 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:49:23,827 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:49:23,827 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:49:23,827 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:49:23,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:49:23,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:49:23,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:49:23,828 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:49:23,829 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 04:49:23,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:49:23,830 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:49:23,830 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:49:23,830 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-15 04:49:23,830 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:49:23,831 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 04:49:23,831 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:49:23,831 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:49:23,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:49:23,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:49:23,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:49:23,831 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:49:23,832 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-15 04:49:23,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:49:23,832 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:49:23,833 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:49:23,833 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:49:23,833 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:49:23,833 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 04:49:23,833 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:49:23,834 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:49:23,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:49:23,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:49:23,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:49:23,834 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:49:23,835 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2020-10-15 04:49:23,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:49:23,836 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:49:23,837 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:49:23,837 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 04:49:23,837 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:49:23,837 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:49:23,837 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:49:23,837 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:49:23,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:49:23,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:49:23,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-15 04:49:23,838 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:49:23,839 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2020-10-15 04:49:23,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:49:23,840 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:49:23,842 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:49:23,842 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-15 04:49:23,842 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:49:23,842 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 04:49:23,843 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:49:23,843 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:49:23,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:49:23,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:49:23,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-15 04:49:23,843 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:49:23,844 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 04:49:23,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:49:23,845 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:49:23,845 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:49:23,845 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:49:23,845 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:49:23,846 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 04:49:23,846 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:49:23,846 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:49:23,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:49:23,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:49:23,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:49:23,846 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:49:23,847 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-10-15 04:49:23,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:49:23,851 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:49:23,858 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:49:23,859 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-10-15 04:49:23,859 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:49:23,859 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-15 04:49:23,859 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:49:23,859 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:49:23,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:49:23,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:49:23,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 46 [2020-10-15 04:49:23,860 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:49:23,863 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 04:49:23,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:49:23,864 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:49:23,865 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:49:23,865 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:49:23,865 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:49:23,866 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:49:23,866 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:49:23,866 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:49:23,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:49:23,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:49:23,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:49:23,867 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:49:23,868 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-15 04:49:23,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:49:23,869 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:49:23,871 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:49:23,871 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-15 04:49:23,872 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:49:23,872 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 04:49:23,872 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:49:23,872 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:49:23,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:49:23,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:49:23,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:49:23,873 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:49:23,874 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-15 04:49:23,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:49:23,875 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:49:23,876 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:49:23,876 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:49:23,877 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:49:23,877 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:49:23,877 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:49:23,877 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:49:23,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:49:23,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:49:23,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:49:23,878 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:49:23,879 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2020-10-15 04:49:23,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:49:23,881 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:49:23,883 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:49:23,884 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 04:49:23,884 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:49:23,884 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 04:49:23,884 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:49:23,884 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:49:23,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 04:49:23,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-15 04:49:23,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 04:49:23,885 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:49:23,905 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2020-10-15 04:49:23,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:49:23,907 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:49:23,909 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:49:23,909 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 04:49:23,909 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:49:23,909 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 04:49:23,909 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:49:23,909 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:49:23,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 04:49:23,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-15 04:49:23,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-15 04:49:23,910 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:49:23,926 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2020-10-15 04:49:23,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:49:23,929 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:49:23,932 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:49:23,932 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-15 04:49:23,932 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:49:23,933 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 04:49:23,933 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:49:23,933 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:49:23,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:49:23,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-15 04:49:23,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-15 04:49:23,933 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:49:23,943 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 04:49:23,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:49:23,945 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:49:23,946 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:49:23,946 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-15 04:49:23,946 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:49:23,947 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:49:23,947 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:49:23,947 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:49:23,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:49:23,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:49:23,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:49:23,948 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:49:23,949 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-15 04:49:23,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:49:23,950 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:49:23,952 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:49:23,952 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:49:23,952 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:49:23,952 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:49:23,952 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:49:23,953 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:49:23,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:49:23,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:49:23,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-15 04:49:23,953 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:49:23,955 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2020-10-15 04:49:23,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:49:23,956 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:49:23,956 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:49:23,957 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 04:49:23,957 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:49:23,957 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 04:49:23,957 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:49:23,957 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:49:23,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:49:23,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-15 04:49:23,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:49:23,957 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:49:23,958 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2020-10-15 04:49:23,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:49:23,960 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:49:23,961 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:49:23,961 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-15 04:49:23,961 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:49:23,961 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:49:23,961 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:49:23,962 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:49:23,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:49:23,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-15 04:49:23,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:49:23,962 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:49:23,963 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 04:49:23,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:49:23,963 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:49:23,964 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:49:23,964 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:49:23,964 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:49:23,964 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 04:49:23,965 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:49:23,965 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:49:23,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:49:23,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:49:23,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:49:23,965 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:49:23,966 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2020-10-15 04:49:23,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:49:23,967 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:49:23,968 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:49:23,968 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:49:23,968 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:49:23,969 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:49:23,969 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:49:23,969 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:49:23,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:49:23,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-15 04:49:23,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:49:23,970 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:49:24,024 INFO L134 CoverageAnalysis]: Checked inductivity of 376 backedges. 85 proven. 2 refuted. 0 times theorem prover too weak. 289 trivial. 0 not checked. [2020-10-15 04:49:24,025 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [167148400] [2020-10-15 04:49:24,025 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-15 04:49:24,025 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2020-10-15 04:49:24,025 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1228647701] [2020-10-15 04:49:24,026 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-15 04:49:24,026 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 04:49:24,026 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-15 04:49:24,026 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=135, Unknown=0, NotChecked=0, Total=182 [2020-10-15 04:49:24,026 INFO L87 Difference]: Start difference. First operand 2713 states and 3092 transitions. Second operand 14 states. [2020-10-15 04:49:25,702 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 04:49:25,702 INFO L93 Difference]: Finished difference Result 4071 states and 4688 transitions. [2020-10-15 04:49:25,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-10-15 04:49:25,703 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 294 [2020-10-15 04:49:25,703 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 04:49:25,704 INFO L225 Difference]: With dead ends: 4071 [2020-10-15 04:49:25,705 INFO L226 Difference]: Without dead ends: 0 [2020-10-15 04:49:25,711 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 76 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 139 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=219, Invalid=651, Unknown=0, NotChecked=0, Total=870 [2020-10-15 04:49:25,711 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-15 04:49:25,711 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-15 04:49:25,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-15 04:49:25,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-15 04:49:25,712 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 294 [2020-10-15 04:49:25,712 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 04:49:25,712 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-15 04:49:25,712 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-15 04:49:25,712 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-15 04:49:25,713 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-15 04:49:25,713 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-10-15 04:49:25,715 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-15 04:49:27,658 WARN L193 SmtUtils]: Spent 1.47 s on a formula simplification. DAG size of input: 501 DAG size of output: 404 [2020-10-15 04:49:31,682 WARN L193 SmtUtils]: Spent 618.00 ms on a formula simplification. DAG size of input: 486 DAG size of output: 382 [2020-10-15 04:49:34,928 WARN L193 SmtUtils]: Spent 493.00 ms on a formula simplification. DAG size of input: 454 DAG size of output: 366 [2020-10-15 04:49:35,416 WARN L193 SmtUtils]: Spent 486.00 ms on a formula simplification. DAG size of input: 460 DAG size of output: 370 [2020-10-15 04:49:36,710 WARN L193 SmtUtils]: Spent 430.00 ms on a formula simplification. DAG size of input: 443 DAG size of output: 360 [2020-10-15 04:49:39,917 WARN L193 SmtUtils]: Spent 670.00 ms on a formula simplification. DAG size of input: 524 DAG size of output: 426 [2020-10-15 04:49:42,202 WARN L193 SmtUtils]: Spent 710.00 ms on a formula simplification. DAG size of input: 524 DAG size of output: 426 [2020-10-15 04:49:45,115 WARN L193 SmtUtils]: Spent 478.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 73 [2020-10-15 04:49:45,274 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 70 [2020-10-15 04:49:48,626 WARN L193 SmtUtils]: Spent 3.35 s on a formula simplification. DAG size of input: 410 DAG size of output: 98 [2020-10-15 04:49:48,895 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 83 [2020-10-15 04:49:49,893 WARN L193 SmtUtils]: Spent 989.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 87 [2020-10-15 04:49:54,081 WARN L193 SmtUtils]: Spent 4.17 s on a formula simplification. DAG size of input: 270 DAG size of output: 156 [2020-10-15 04:49:56,333 WARN L193 SmtUtils]: Spent 2.18 s on a formula simplification. DAG size of input: 198 DAG size of output: 91 [2020-10-15 04:49:56,464 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 1 [2020-10-15 04:49:57,293 WARN L193 SmtUtils]: Spent 827.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 85 [2020-10-15 04:49:58,727 WARN L193 SmtUtils]: Spent 1.42 s on a formula simplification. DAG size of input: 183 DAG size of output: 113 [2020-10-15 04:50:00,554 WARN L193 SmtUtils]: Spent 1.81 s on a formula simplification. DAG size of input: 191 DAG size of output: 78 [2020-10-15 04:50:00,855 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 52 [2020-10-15 04:50:04,058 WARN L193 SmtUtils]: Spent 3.20 s on a formula simplification. DAG size of input: 387 DAG size of output: 97 [2020-10-15 04:50:04,183 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 1 [2020-10-15 04:50:04,302 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 1 [2020-10-15 04:50:06,138 WARN L193 SmtUtils]: Spent 1.83 s on a formula simplification. DAG size of input: 190 DAG size of output: 79 [2020-10-15 04:50:06,627 WARN L193 SmtUtils]: Spent 486.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 55 [2020-10-15 04:50:08,592 WARN L193 SmtUtils]: Spent 1.95 s on a formula simplification. DAG size of input: 184 DAG size of output: 87 [2020-10-15 04:50:08,709 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 1 [2020-10-15 04:50:10,198 WARN L193 SmtUtils]: Spent 1.49 s on a formula simplification. DAG size of input: 182 DAG size of output: 105 [2020-10-15 04:50:11,491 WARN L193 SmtUtils]: Spent 1.29 s on a formula simplification. DAG size of input: 210 DAG size of output: 94 [2020-10-15 04:50:12,492 WARN L193 SmtUtils]: Spent 998.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 102 [2020-10-15 04:50:13,623 WARN L193 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 150 DAG size of output: 86 [2020-10-15 04:50:16,474 WARN L193 SmtUtils]: Spent 2.85 s on a formula simplification. DAG size of input: 380 DAG size of output: 94 [2020-10-15 04:50:19,148 WARN L193 SmtUtils]: Spent 2.67 s on a formula simplification. DAG size of input: 379 DAG size of output: 105 [2020-10-15 04:50:19,383 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 81 [2020-10-15 04:50:19,590 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 83 [2020-10-15 04:50:21,362 WARN L193 SmtUtils]: Spent 1.76 s on a formula simplification. DAG size of input: 190 DAG size of output: 79 [2020-10-15 04:50:25,231 WARN L193 SmtUtils]: Spent 3.86 s on a formula simplification. DAG size of input: 296 DAG size of output: 149 [2020-10-15 04:50:27,919 WARN L193 SmtUtils]: Spent 2.68 s on a formula simplification. DAG size of input: 372 DAG size of output: 96 [2020-10-15 04:50:28,809 WARN L193 SmtUtils]: Spent 869.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 66 [2020-10-15 04:50:30,957 WARN L193 SmtUtils]: Spent 2.13 s on a formula simplification. DAG size of input: 200 DAG size of output: 80 [2020-10-15 04:50:35,129 WARN L193 SmtUtils]: Spent 4.16 s on a formula simplification. DAG size of input: 270 DAG size of output: 156 [2020-10-15 04:50:35,256 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 1 [2020-10-15 04:50:38,550 WARN L193 SmtUtils]: Spent 3.29 s on a formula simplification. DAG size of input: 432 DAG size of output: 107 [2020-10-15 04:50:38,785 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 81 [2020-10-15 04:50:38,911 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 1 [2020-10-15 04:50:41,254 WARN L193 SmtUtils]: Spent 2.34 s on a formula simplification. DAG size of input: 157 DAG size of output: 85 [2020-10-15 04:50:43,564 WARN L193 SmtUtils]: Spent 2.30 s on a formula simplification. DAG size of input: 217 DAG size of output: 116 [2020-10-15 04:50:43,973 WARN L193 SmtUtils]: Spent 406.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 93 [2020-10-15 04:50:45,789 WARN L193 SmtUtils]: Spent 1.81 s on a formula simplification. DAG size of input: 184 DAG size of output: 77 [2020-10-15 04:50:46,346 WARN L193 SmtUtils]: Spent 551.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 69 [2020-10-15 04:50:49,658 WARN L193 SmtUtils]: Spent 3.31 s on a formula simplification. DAG size of input: 432 DAG size of output: 107 [2020-10-15 04:50:49,843 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 64 [2020-10-15 04:50:52,909 WARN L193 SmtUtils]: Spent 3.06 s on a formula simplification. DAG size of input: 326 DAG size of output: 134 [2020-10-15 04:50:54,337 WARN L193 SmtUtils]: Spent 1.42 s on a formula simplification. DAG size of input: 192 DAG size of output: 81 [2020-10-15 04:50:54,926 WARN L193 SmtUtils]: Spent 582.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 75 [2020-10-15 04:50:56,359 WARN L193 SmtUtils]: Spent 1.42 s on a formula simplification. DAG size of input: 175 DAG size of output: 85 [2020-10-15 04:50:56,611 WARN L193 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 52 [2020-10-15 04:50:57,474 WARN L193 SmtUtils]: Spent 855.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 77