/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=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.4 --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/token_ring.05.cil-2.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-14 10:13:17,208 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-14 10:13:17,210 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-14 10:13:17,234 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-14 10:13:17,234 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-14 10:13:17,235 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-14 10:13:17,237 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-14 10:13:17,238 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-14 10:13:17,240 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-14 10:13:17,241 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-14 10:13:17,241 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-14 10:13:17,242 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-14 10:13:17,243 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-14 10:13:17,244 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-14 10:13:17,245 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-14 10:13:17,246 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-14 10:13:17,246 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-14 10:13:17,247 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-14 10:13:17,249 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-14 10:13:17,251 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-14 10:13:17,252 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-14 10:13:17,253 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-14 10:13:17,257 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-14 10:13:17,258 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-14 10:13:17,262 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-14 10:13:17,262 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-14 10:13:17,263 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-14 10:13:17,264 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-14 10:13:17,264 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-14 10:13:17,265 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-14 10:13:17,267 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-14 10:13:17,268 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-14 10:13:17,268 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-14 10:13:17,271 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-14 10:13:17,272 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-14 10:13:17,272 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-14 10:13:17,273 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-14 10:13:17,273 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-14 10:13:17,273 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-14 10:13:17,274 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-14 10:13:17,275 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-14 10:13:17,277 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 [2020-10-14 10:13:17,321 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-14 10:13:17,322 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-14 10:13:17,326 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-14 10:13:17,326 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-14 10:13:17,326 INFO L138 SettingsManager]: * Use SBE=true [2020-10-14 10:13:17,326 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-14 10:13:17,327 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-14 10:13:17,327 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-14 10:13:17,327 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-14 10:13:17,327 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-14 10:13:17,327 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-14 10:13:17,328 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-14 10:13:17,328 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-14 10:13:17,328 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-14 10:13:17,328 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-14 10:13:17,328 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-14 10:13:17,329 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-14 10:13:17,329 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-14 10:13:17,329 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-14 10:13:17,329 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-14 10:13:17,329 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-14 10:13:17,329 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-14 10:13:17,330 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-14 10:13:17,331 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-14 10:13:17,331 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-14 10:13:17,331 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-14 10:13:17,332 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-14 10:13:17,332 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-14 10:13:17,332 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-14 10:13:17,332 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=WIDESTAMONGSMALL;tolerance=0.4;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=WIDESTAMONGSMALL;tolerance=0.4;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=WIDESTAMONGSMALL;tolerance=0.4;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=WIDESTAMONGSMALL;tolerance=0.4;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=WIDESTAMONGSMALL;tolerance=0.4;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=WIDESTAMONGSMALL;tolerance=0.4;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=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; [2020-10-14 10:13:17,639 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-14 10:13:17,655 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-14 10:13:17,661 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-14 10:13:17,662 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-14 10:13:17,663 INFO L275 PluginConnector]: CDTParser initialized [2020-10-14 10:13:17,663 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/systemc/token_ring.05.cil-2.c [2020-10-14 10:13:17,742 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/911468a2a/e4eba93145224e11a455fff620bdeb40/FLAG2efa18212 [2020-10-14 10:13:18,249 INFO L306 CDTParser]: Found 1 translation units. [2020-10-14 10:13:18,249 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/systemc/token_ring.05.cil-2.c [2020-10-14 10:13:18,268 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/911468a2a/e4eba93145224e11a455fff620bdeb40/FLAG2efa18212 [2020-10-14 10:13:18,530 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/911468a2a/e4eba93145224e11a455fff620bdeb40 [2020-10-14 10:13:18,537 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-14 10:13:18,539 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-14 10:13:18,540 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-14 10:13:18,540 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-14 10:13:18,546 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-14 10:13:18,549 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 10:13:18" (1/1) ... [2020-10-14 10:13:18,552 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1afef70d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:13:18, skipping insertion in model container [2020-10-14 10:13:18,552 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 10:13:18" (1/1) ... [2020-10-14 10:13:18,561 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-14 10:13:18,602 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-14 10:13:18,860 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 10:13:18,866 INFO L203 MainTranslator]: Completed pre-run [2020-10-14 10:13:19,035 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 10:13:19,060 INFO L208 MainTranslator]: Completed translation [2020-10-14 10:13:19,060 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:13:19 WrapperNode [2020-10-14 10:13:19,060 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-14 10:13:19,061 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-14 10:13:19,061 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-14 10:13:19,061 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-14 10:13:19,074 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:13:19" (1/1) ... [2020-10-14 10:13:19,075 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:13:19" (1/1) ... [2020-10-14 10:13:19,085 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:13:19" (1/1) ... [2020-10-14 10:13:19,085 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:13:19" (1/1) ... [2020-10-14 10:13:19,099 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:13:19" (1/1) ... [2020-10-14 10:13:19,116 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:13:19" (1/1) ... [2020-10-14 10:13:19,119 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:13:19" (1/1) ... [2020-10-14 10:13:19,124 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-14 10:13:19,125 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-14 10:13:19,125 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-14 10:13:19,125 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-14 10:13:19,126 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:13:19" (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 [2020-10-14 10:13:19,183 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-14 10:13:19,183 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-14 10:13:19,184 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2020-10-14 10:13:19,184 INFO L138 BoogieDeclarations]: Found implementation of procedure master [2020-10-14 10:13:19,184 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit1 [2020-10-14 10:13:19,184 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit2 [2020-10-14 10:13:19,184 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit3 [2020-10-14 10:13:19,184 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit4 [2020-10-14 10:13:19,184 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit5 [2020-10-14 10:13:19,185 INFO L138 BoogieDeclarations]: Found implementation of procedure is_master_triggered [2020-10-14 10:13:19,185 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit1_triggered [2020-10-14 10:13:19,185 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit2_triggered [2020-10-14 10:13:19,185 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit3_triggered [2020-10-14 10:13:19,185 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit4_triggered [2020-10-14 10:13:19,185 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit5_triggered [2020-10-14 10:13:19,186 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels [2020-10-14 10:13:19,186 INFO L138 BoogieDeclarations]: Found implementation of procedure init_threads [2020-10-14 10:13:19,187 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2020-10-14 10:13:19,187 INFO L138 BoogieDeclarations]: Found implementation of procedure eval [2020-10-14 10:13:19,187 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events [2020-10-14 10:13:19,188 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events [2020-10-14 10:13:19,189 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads [2020-10-14 10:13:19,189 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2020-10-14 10:13:19,189 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_time_events [2020-10-14 10:13:19,190 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_time_events [2020-10-14 10:13:19,191 INFO L138 BoogieDeclarations]: Found implementation of procedure init_model [2020-10-14 10:13:19,191 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_simulation [2020-10-14 10:13:19,191 INFO L138 BoogieDeclarations]: Found implementation of procedure start_simulation [2020-10-14 10:13:19,191 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-14 10:13:19,192 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-14 10:13:19,192 INFO L130 BoogieDeclarations]: Found specification of procedure error [2020-10-14 10:13:19,192 INFO L130 BoogieDeclarations]: Found specification of procedure is_master_triggered [2020-10-14 10:13:19,192 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit1_triggered [2020-10-14 10:13:19,192 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit2_triggered [2020-10-14 10:13:19,192 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit3_triggered [2020-10-14 10:13:19,192 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit4_triggered [2020-10-14 10:13:19,193 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit5_triggered [2020-10-14 10:13:19,193 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2020-10-14 10:13:19,193 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-14 10:13:19,193 INFO L130 BoogieDeclarations]: Found specification of procedure master [2020-10-14 10:13:19,193 INFO L130 BoogieDeclarations]: Found specification of procedure transmit1 [2020-10-14 10:13:19,193 INFO L130 BoogieDeclarations]: Found specification of procedure transmit2 [2020-10-14 10:13:19,193 INFO L130 BoogieDeclarations]: Found specification of procedure transmit3 [2020-10-14 10:13:19,194 INFO L130 BoogieDeclarations]: Found specification of procedure transmit4 [2020-10-14 10:13:19,194 INFO L130 BoogieDeclarations]: Found specification of procedure transmit5 [2020-10-14 10:13:19,194 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels [2020-10-14 10:13:19,194 INFO L130 BoogieDeclarations]: Found specification of procedure init_threads [2020-10-14 10:13:19,194 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2020-10-14 10:13:19,194 INFO L130 BoogieDeclarations]: Found specification of procedure eval [2020-10-14 10:13:19,195 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events [2020-10-14 10:13:19,195 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events [2020-10-14 10:13:19,195 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads [2020-10-14 10:13:19,195 INFO L130 BoogieDeclarations]: Found specification of procedure fire_time_events [2020-10-14 10:13:19,195 INFO L130 BoogieDeclarations]: Found specification of procedure reset_time_events [2020-10-14 10:13:19,195 INFO L130 BoogieDeclarations]: Found specification of procedure init_model [2020-10-14 10:13:19,196 INFO L130 BoogieDeclarations]: Found specification of procedure stop_simulation [2020-10-14 10:13:19,196 INFO L130 BoogieDeclarations]: Found specification of procedure start_simulation [2020-10-14 10:13:19,196 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-14 10:13:19,196 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-14 10:13:19,196 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-14 10:13:19,976 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-14 10:13:19,976 INFO L295 CfgBuilder]: Removed 8 assume(true) statements. [2020-10-14 10:13:19,983 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 10:13:19 BoogieIcfgContainer [2020-10-14 10:13:19,983 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-14 10:13:19,985 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-14 10:13:19,985 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-14 10:13:19,988 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-14 10:13:19,989 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 10:13:18" (1/3) ... [2020-10-14 10:13:19,990 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54bbbf04 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 10:13:19, skipping insertion in model container [2020-10-14 10:13:19,990 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:13:19" (2/3) ... [2020-10-14 10:13:19,990 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54bbbf04 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 10:13:19, skipping insertion in model container [2020-10-14 10:13:19,991 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 10:13:19" (3/3) ... [2020-10-14 10:13:19,992 INFO L109 eAbstractionObserver]: Analyzing ICFG token_ring.05.cil-2.c [2020-10-14 10:13:20,004 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-14 10:13:20,012 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-14 10:13:20,028 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-14 10:13:20,056 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-14 10:13:20,056 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-14 10:13:20,056 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-14 10:13:20,056 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-14 10:13:20,057 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-14 10:13:20,057 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-14 10:13:20,057 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-14 10:13:20,057 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-14 10:13:20,084 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states. [2020-10-14 10:13:20,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2020-10-14 10:13:20,100 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 10:13:20,101 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 10:13:20,102 INFO L427 AbstractCegarLoop]: === Iteration 1 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 10:13:20,108 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 10:13:20,109 INFO L82 PathProgramCache]: Analyzing trace with hash -1273585975, now seen corresponding path program 1 times [2020-10-14 10:13:20,118 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 10:13:20,119 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1585321971] [2020-10-14 10:13:20,119 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 10:13:20,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:13:20,520 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:13:20,661 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:13:20,799 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:13:20,850 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:13:21,675 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:13:21,731 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:13:22,087 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:13:22,665 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:13:22,788 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:13:22,852 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:13:23,074 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:13:23,182 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:13:23,223 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:13:23,269 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:13:23,303 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:13:23,335 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:13:23,369 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:13:23,424 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:13:24,811 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:13:25,442 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:13:25,443 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 174 [2020-10-14 10:13:25,443 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 19 [2020-10-14 10:13:25,444 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5021 [2020-10-14 10:13:25,448 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:13:25,448 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:13:25,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:13:25,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-14 10:13:25,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-14 10:13:25,450 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-10-14 10:13:25,643 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 10:13:25,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:13:25,651 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:13:25,659 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:13:25,660 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 10:13:25,660 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:13:25,660 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-14 10:13:25,661 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:13:25,661 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:13:25,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:13:25,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:13:25,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:13:25,662 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:13:25,685 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 10:13:25,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:13:25,689 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:13:25,692 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:13:25,693 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 10:13:25,693 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:13:25,693 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 10:13:25,693 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:13:25,694 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:13:25,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:13:25,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:13:25,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 10:13:25,695 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:13:25,698 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 10:13:25,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:13:25,700 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:13:25,701 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:13:25,702 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 10:13:25,702 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:13:25,702 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 10:13:25,702 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:13:25,703 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:13:25,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:13:25,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:13:25,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-14 10:13:25,704 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:13:25,724 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-14 10:13:25,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:13:25,729 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:13:25,735 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:13:25,736 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-14 10:13:25,736 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:13:25,736 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 10:13:25,736 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:13:25,737 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:13:25,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:13:25,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 10:13:25,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 10:13:25,738 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:13:25,784 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-14 10:13:25,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:13:25,791 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:13:25,797 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:13:25,797 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-14 10:13:25,798 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:13:25,798 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 10:13:25,798 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:13:25,798 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:13:25,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:13:25,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-14 10:13:25,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:13:25,799 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:13:25,805 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-14 10:13:25,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:13:25,821 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:13:25,831 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:13:25,844 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:13:26,184 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:13:26,185 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-14 10:13:26,185 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 10:13:26,185 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 369 [2020-10-14 10:13:26,186 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:13:26,186 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:13:26,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:13:26,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 71 [2020-10-14 10:13:26,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:13:26,187 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:13:26,194 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 10:13:26,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:13:26,196 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:13:26,198 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:13:26,198 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:13:26,198 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:13:26,198 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:13:26,199 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:13:26,199 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:13:26,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:13:26,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:13:26,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:13:26,200 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:13:26,201 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 10:13:26,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:13:26,203 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:13:26,204 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:13:26,205 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:13:26,205 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:13:26,205 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:13:26,205 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:13:26,205 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:13:26,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:13:26,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:13:26,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:13:26,206 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:13:26,208 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-14 10:13:26,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:13:26,210 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:13:26,211 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:13:26,212 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:13:26,212 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:13:26,212 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 10:13:26,212 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:13:26,213 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:13:26,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:13:26,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:13:26,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:13:26,214 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:13:26,216 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-14 10:13:26,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:13:26,217 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:13:26,219 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:13:26,220 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:13:26,220 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:13:26,220 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 10:13:26,220 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:13:26,221 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:13:26,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:13:26,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:13:26,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:13:26,222 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:13:26,223 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-14 10:13:26,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:13:26,225 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:13:26,227 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:13:26,227 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:13:26,227 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:13:26,227 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:13:26,228 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:13:26,228 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:13:26,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:13:26,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:13:26,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:13:26,229 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:13:26,230 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-14 10:13:26,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:13:26,232 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:13:26,234 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:13:26,234 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:13:26,234 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:13:26,234 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:13:26,235 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:13:26,235 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:13:26,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:13:26,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:13:26,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:13:26,236 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:13:26,241 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2020-10-14 10:13:26,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:13:26,247 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:13:26,252 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:13:26,252 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-14 10:13:26,252 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:13:26,252 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 10:13:26,253 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:13:26,253 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:13:26,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:13:26,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-14 10:13:26,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:13:26,254 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:13:26,258 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-10-14 10:13:26,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:13:26,260 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:13:26,262 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:13:26,262 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 10:13:26,263 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:13:26,263 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 10:13:26,263 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:13:26,263 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:13:26,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:13:26,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-14 10:13:26,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:13:26,264 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:13:26,292 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 10:13:26,293 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1585321971] [2020-10-14 10:13:26,295 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 10:13:26,295 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-14 10:13:26,296 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [531750411] [2020-10-14 10:13:26,302 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-14 10:13:26,303 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 10:13:26,318 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-14 10:13:26,319 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-10-14 10:13:26,322 INFO L87 Difference]: Start difference. First operand 271 states. Second operand 8 states. [2020-10-14 10:13:26,508 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2020-10-14 10:13:26,738 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2020-10-14 10:13:29,173 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 10:13:29,173 INFO L93 Difference]: Finished difference Result 680 states and 1084 transitions. [2020-10-14 10:13:29,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-14 10:13:29,178 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 134 [2020-10-14 10:13:29,178 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 10:13:29,207 INFO L225 Difference]: With dead ends: 680 [2020-10-14 10:13:29,208 INFO L226 Difference]: Without dead ends: 416 [2020-10-14 10:13:29,214 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=62, Invalid=148, Unknown=0, NotChecked=0, Total=210 [2020-10-14 10:13:29,235 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 416 states. [2020-10-14 10:13:29,331 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 416 to 262. [2020-10-14 10:13:29,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 262 states. [2020-10-14 10:13:29,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 262 states and 372 transitions. [2020-10-14 10:13:29,339 INFO L78 Accepts]: Start accepts. Automaton has 262 states and 372 transitions. Word has length 134 [2020-10-14 10:13:29,339 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 10:13:29,339 INFO L479 AbstractCegarLoop]: Abstraction has 262 states and 372 transitions. [2020-10-14 10:13:29,340 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-14 10:13:29,340 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 372 transitions. [2020-10-14 10:13:29,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2020-10-14 10:13:29,350 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 10:13:29,351 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 10:13:29,351 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-14 10:13:29,351 INFO L427 AbstractCegarLoop]: === Iteration 2 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 10:13:29,352 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 10:13:29,352 INFO L82 PathProgramCache]: Analyzing trace with hash 1019495051, now seen corresponding path program 1 times [2020-10-14 10:13:29,352 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 10:13:29,352 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1847177262] [2020-10-14 10:13:29,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 10:13:29,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:13:29,397 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:13:29,475 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:13:29,519 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:13:29,545 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:13:29,969 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:13:30,022 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:13:30,238 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:13:30,587 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:13:30,628 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:13:30,735 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:13:34,394 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:13:34,394 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 174 [2020-10-14 10:13:34,394 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 10 [2020-10-14 10:13:34,395 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5006 [2020-10-14 10:13:34,395 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:13:34,396 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:13:34,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 10:13:34,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 49 [2020-10-14 10:13:34,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 90 [2020-10-14 10:13:34,397 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:13:34,594 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2020-10-14 10:13:34,596 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 10:13:34,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:13:34,603 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:13:34,608 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:13:34,609 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 10:13:34,609 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:13:34,610 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 10:13:34,610 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:13:34,610 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:13:34,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:13:34,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:13:34,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:13:34,612 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:13:34,631 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 10:13:34,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:13:34,634 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:13:34,635 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:13:34,635 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 10:13:34,636 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:13:34,639 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:13:34,640 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:13:34,640 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:13:34,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:13:34,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:13:34,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:13:34,642 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:13:34,643 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 10:13:34,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:13:34,645 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:13:34,646 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:13:34,649 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 10:13:34,650 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:13:34,650 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:13:34,651 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:13:34,651 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:13:34,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:13:34,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:13:34,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:13:34,653 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:13:34,680 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-14 10:13:34,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:13:34,683 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:13:34,687 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:13:34,687 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-14 10:13:34,687 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:13:34,688 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 10:13:34,688 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:13:34,688 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:13:34,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:13:34,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:13:34,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:13:34,690 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:13:34,734 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-14 10:13:34,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:13:34,742 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:13:34,753 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:13:34,754 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-14 10:13:34,754 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:13:34,754 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-14 10:13:34,755 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:13:34,756 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:13:34,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:13:34,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:13:34,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-14 10:13:34,757 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-14 10:13:34,767 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-14 10:13:34,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:13:34,776 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:13:34,791 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:13:34,808 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:13:35,247 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:13:35,509 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:13:35,510 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-14 10:13:35,510 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 10:13:35,510 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 736 [2020-10-14 10:13:35,511 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:13:35,511 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:13:35,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:13:35,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:13:35,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 71 [2020-10-14 10:13:35,513 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:13:35,520 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 10:13:35,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:13:35,521 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:13:35,523 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:13:35,524 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:13:35,524 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:13:35,525 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 10:13:35,525 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:13:35,526 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:13:35,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:13:35,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:13:35,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:13:35,527 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:13:35,529 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 10:13:35,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:13:35,531 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:13:35,533 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:13:35,533 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:13:35,533 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:13:35,534 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 10:13:35,534 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:13:35,534 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:13:35,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:13:35,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:13:35,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:13:35,536 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:13:35,538 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-14 10:13:35,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:13:35,539 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:13:35,541 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:13:35,542 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:13:35,542 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:13:35,543 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 10:13:35,543 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:13:35,543 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:13:35,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:13:35,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:13:35,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:13:35,545 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:13:35,547 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-14 10:13:35,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:13:35,548 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:13:35,550 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:13:35,551 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:13:35,551 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:13:35,551 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 10:13:35,552 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:13:35,552 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:13:35,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:13:35,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:13:35,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:13:35,554 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:13:35,555 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-14 10:13:35,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:13:35,557 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:13:35,559 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:13:35,560 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:13:35,560 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:13:35,560 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 10:13:35,561 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:13:35,561 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:13:35,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:13:35,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:13:35,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:13:35,563 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:13:35,564 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-14 10:13:35,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:13:35,566 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:13:35,567 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:13:35,567 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:13:35,568 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:13:35,568 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:13:35,568 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:13:35,568 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:13:35,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:13:35,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:13:35,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:13:35,569 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:13:35,572 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2020-10-14 10:13:35,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:13:35,580 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:13:35,600 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:13:35,600 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-14 10:13:35,601 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:13:35,601 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-14 10:13:35,601 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:13:35,601 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:13:35,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 10:13:35,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 10:13:35,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-14 10:13:35,602 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:13:35,640 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-10-14 10:13:35,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:13:35,642 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:13:35,644 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:13:35,645 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 10:13:35,645 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:13:35,645 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 10:13:35,646 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:13:35,646 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:13:35,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:13:35,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-14 10:13:35,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:13:35,648 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:13:35,697 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 10:13:35,697 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1847177262] [2020-10-14 10:13:35,698 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 10:13:35,698 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-14 10:13:35,698 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [342055188] [2020-10-14 10:13:35,701 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-14 10:13:35,701 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 10:13:35,702 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-14 10:13:35,702 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2020-10-14 10:13:35,702 INFO L87 Difference]: Start difference. First operand 262 states and 372 transitions. Second operand 9 states. [2020-10-14 10:13:36,371 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2020-10-14 10:13:43,783 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 10:13:43,784 INFO L93 Difference]: Finished difference Result 1432 states and 2403 transitions. [2020-10-14 10:13:43,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2020-10-14 10:13:43,785 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 134 [2020-10-14 10:13:43,786 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 10:13:43,799 INFO L225 Difference]: With dead ends: 1432 [2020-10-14 10:13:43,799 INFO L226 Difference]: Without dead ends: 1194 [2020-10-14 10:13:43,803 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 176 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=204, Invalid=608, Unknown=0, NotChecked=0, Total=812 [2020-10-14 10:13:43,807 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1194 states. [2020-10-14 10:13:43,977 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1194 to 834. [2020-10-14 10:13:43,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 834 states. [2020-10-14 10:13:43,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 834 states to 834 states and 1287 transitions. [2020-10-14 10:13:43,989 INFO L78 Accepts]: Start accepts. Automaton has 834 states and 1287 transitions. Word has length 134 [2020-10-14 10:13:43,990 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 10:13:43,990 INFO L479 AbstractCegarLoop]: Abstraction has 834 states and 1287 transitions. [2020-10-14 10:13:43,990 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-14 10:13:43,991 INFO L276 IsEmpty]: Start isEmpty. Operand 834 states and 1287 transitions. [2020-10-14 10:13:43,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2020-10-14 10:13:43,999 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 10:13:43,999 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 10:13:43,999 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-14 10:13:44,000 INFO L427 AbstractCegarLoop]: === Iteration 3 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 10:13:44,000 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 10:13:44,000 INFO L82 PathProgramCache]: Analyzing trace with hash 1528968141, now seen corresponding path program 1 times [2020-10-14 10:13:44,000 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 10:13:44,001 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [659493131] [2020-10-14 10:13:44,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 10:13:44,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:13:44,031 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:13:44,081 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:13:44,118 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:13:44,142 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:13:44,483 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:13:44,754 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:13:44,795 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:13:44,839 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:13:49,027 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:13:49,027 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 174 [2020-10-14 10:13:49,027 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-14 10:13:49,028 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5005 [2020-10-14 10:13:49,028 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:13:49,028 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:13:49,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 10:13:49,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 41 [2020-10-14 10:13:49,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 90 [2020-10-14 10:13:49,029 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:13:49,133 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 10:13:49,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:13:49,138 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:13:49,141 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:13:49,141 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 10:13:49,141 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:13:49,141 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 10:13:49,142 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:13:49,142 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:13:49,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:13:49,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:13:49,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:13:49,143 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:13:49,159 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 10:13:49,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:13:49,162 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:13:49,163 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:13:49,163 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 10:13:49,163 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:13:49,163 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:13:49,164 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:13:49,164 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:13:49,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:13:49,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:13:49,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:13:49,164 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:13:49,166 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 10:13:49,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:13:49,167 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:13:49,168 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:13:49,168 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 10:13:49,168 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:13:49,168 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:13:49,168 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:13:49,169 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:13:49,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:13:49,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:13:49,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:13:49,169 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:13:49,185 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-14 10:13:49,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:13:49,187 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:13:49,189 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:13:49,190 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-14 10:13:49,190 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:13:49,190 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 10:13:49,190 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:13:49,191 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:13:49,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:13:49,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:13:49,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:13:49,191 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:13:49,222 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-14 10:13:49,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:13:49,227 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:13:49,235 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:13:49,235 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-14 10:13:49,236 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:13:49,236 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-14 10:13:49,236 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:13:49,236 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:13:49,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:13:49,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:13:49,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 10:13:49,237 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:13:49,243 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-14 10:13:49,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:13:49,256 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:13:49,264 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:13:49,389 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:13:49,553 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:13:49,554 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-14 10:13:49,554 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 10:13:49,554 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 302 [2020-10-14 10:13:49,554 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:13:49,555 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:13:49,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:13:49,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:13:49,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 71 [2020-10-14 10:13:49,555 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:13:49,563 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 10:13:49,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:13:49,565 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:13:49,566 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:13:49,566 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:13:49,566 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:13:49,566 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:13:49,567 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:13:49,567 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:13:49,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:13:49,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:13:49,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:13:49,568 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:13:49,569 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 10:13:49,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:13:49,571 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:13:49,572 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:13:49,572 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:13:49,572 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:13:49,572 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:13:49,573 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:13:49,573 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:13:49,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:13:49,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:13:49,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:13:49,574 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:13:49,575 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-14 10:13:49,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:13:49,576 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:13:49,577 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:13:49,577 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:13:49,578 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:13:49,578 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:13:49,578 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:13:49,578 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:13:49,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:13:49,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:13:49,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:13:49,579 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:13:49,580 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-14 10:13:49,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:13:49,581 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:13:49,582 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:13:49,582 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:13:49,583 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:13:49,583 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:13:49,583 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:13:49,583 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:13:49,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:13:49,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:13:49,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:13:49,584 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:13:49,585 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-14 10:13:49,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:13:49,587 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:13:49,588 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:13:49,588 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:13:49,589 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:13:49,589 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 10:13:49,589 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:13:49,589 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:13:49,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:13:49,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:13:49,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:13:49,590 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:13:49,591 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-14 10:13:49,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:13:49,593 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:13:49,594 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:13:49,594 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:13:49,594 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:13:49,594 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:13:49,594 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:13:49,595 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:13:49,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:13:49,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:13:49,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:13:49,595 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:13:49,599 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2020-10-14 10:13:49,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:13:49,604 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:13:49,617 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:13:49,618 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-14 10:13:49,618 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:13:49,618 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-14 10:13:49,618 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:13:49,619 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:13:49,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 10:13:49,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 10:13:49,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-14 10:13:49,619 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:13:49,631 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-10-14 10:13:49,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:13:49,633 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:13:49,634 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:13:49,635 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 10:13:49,635 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:13:49,635 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:13:49,636 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:13:49,636 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:13:49,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:13:49,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-14 10:13:49,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:13:49,637 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:13:49,666 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 10:13:49,667 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [659493131] [2020-10-14 10:13:49,667 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 10:13:49,667 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-14 10:13:49,668 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1634341523] [2020-10-14 10:13:49,669 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-14 10:13:49,669 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 10:13:49,669 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-14 10:13:49,671 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-10-14 10:13:49,671 INFO L87 Difference]: Start difference. First operand 834 states and 1287 transitions. Second operand 8 states. [2020-10-14 10:13:55,154 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 10:13:55,155 INFO L93 Difference]: Finished difference Result 3008 states and 4730 transitions. [2020-10-14 10:13:55,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-10-14 10:13:55,160 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 134 [2020-10-14 10:13:55,161 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 10:13:55,178 INFO L225 Difference]: With dead ends: 3008 [2020-10-14 10:13:55,178 INFO L226 Difference]: Without dead ends: 2202 [2020-10-14 10:13:55,184 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 69 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=112, Invalid=308, Unknown=0, NotChecked=0, Total=420 [2020-10-14 10:13:55,187 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2202 states. [2020-10-14 10:13:55,414 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2202 to 1746. [2020-10-14 10:13:55,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1746 states. [2020-10-14 10:13:55,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1746 states to 1746 states and 2637 transitions. [2020-10-14 10:13:55,433 INFO L78 Accepts]: Start accepts. Automaton has 1746 states and 2637 transitions. Word has length 134 [2020-10-14 10:13:55,434 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 10:13:55,434 INFO L479 AbstractCegarLoop]: Abstraction has 1746 states and 2637 transitions. [2020-10-14 10:13:55,434 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-14 10:13:55,435 INFO L276 IsEmpty]: Start isEmpty. Operand 1746 states and 2637 transitions. [2020-10-14 10:13:55,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2020-10-14 10:13:55,442 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 10:13:55,443 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 10:13:55,443 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-14 10:13:55,443 INFO L427 AbstractCegarLoop]: === Iteration 4 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 10:13:55,444 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 10:13:55,444 INFO L82 PathProgramCache]: Analyzing trace with hash 1923334927, now seen corresponding path program 1 times [2020-10-14 10:13:55,444 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 10:13:55,445 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1330165195] [2020-10-14 10:13:55,445 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 10:13:55,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:13:55,486 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:13:55,551 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:13:55,605 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:13:55,631 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:13:56,097 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:13:56,135 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:13:56,238 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:13:59,370 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:13:59,432 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:13:59,467 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:13:59,501 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:13:59,541 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:13:59,578 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:13:59,618 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:13:59,647 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:13:59,678 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:13:59,708 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:00,483 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:14:00,483 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 174 [2020-10-14 10:14:00,483 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 17 [2020-10-14 10:14:00,484 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5007 [2020-10-14 10:14:00,484 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:14:00,484 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:14:00,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 10:14:00,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 10:14:00,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 114 [2020-10-14 10:14:00,484 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:14:00,620 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2020-10-14 10:14:00,621 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 10:14:00,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:14:00,631 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:00,642 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:14:00,643 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 10:14:00,643 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:14:00,643 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-14 10:14:00,644 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:14:00,644 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:14:00,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:14:00,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:14:00,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 10:14:00,645 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:14:00,679 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 10:14:00,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:14:00,682 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:00,689 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:14:00,689 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 10:14:00,689 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:14:00,690 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 10:14:00,690 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:14:00,690 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:14:00,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:14:00,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:14:00,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 10:14:00,691 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:14:00,693 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 10:14:00,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:14:00,695 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:00,697 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:14:00,697 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 10:14:00,698 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:14:00,698 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 10:14:00,698 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:14:00,698 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:14:00,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:14:00,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:14:00,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-14 10:14:00,699 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:14:00,720 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-14 10:14:00,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:14:00,725 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:00,730 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:14:00,731 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-14 10:14:00,731 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:14:00,731 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 10:14:00,732 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:14:00,732 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:14:00,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:14:00,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:14:00,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-14 10:14:00,733 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:14:00,777 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-14 10:14:00,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:14:00,784 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:00,794 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:14:00,794 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-14 10:14:00,795 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:14:00,795 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-14 10:14:00,795 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:14:00,796 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:14:00,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:14:00,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:14:00,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-14 10:14:00,797 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:14:00,801 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-14 10:14:00,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:14:00,814 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:00,823 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:00,833 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:01,267 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:14:01,268 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-14 10:14:01,268 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 10:14:01,268 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 459 [2020-10-14 10:14:01,269 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:14:01,269 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:14:01,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:14:01,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 62 [2020-10-14 10:14:01,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-14 10:14:01,270 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:14:01,294 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 10:14:01,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:14:01,296 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:01,298 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:14:01,299 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:14:01,299 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:14:01,299 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 10:14:01,300 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:14:01,300 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:14:01,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:14:01,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:14:01,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:14:01,301 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:14:01,304 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 10:14:01,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:14:01,306 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:01,307 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:14:01,307 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:14:01,308 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:14:01,308 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:14:01,308 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:14:01,309 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:14:01,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:14:01,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:14:01,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:14:01,310 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:14:01,311 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-14 10:14:01,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:14:01,314 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:01,315 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:14:01,315 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:14:01,316 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:14:01,316 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:14:01,316 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:14:01,317 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:14:01,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:14:01,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:14:01,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:14:01,318 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:14:01,320 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-14 10:14:01,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:14:01,321 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:01,323 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:14:01,323 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:14:01,323 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:14:01,324 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:14:01,324 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:14:01,324 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:14:01,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:14:01,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:14:01,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:14:01,325 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:14:01,327 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-14 10:14:01,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:14:01,328 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:01,329 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:14:01,330 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:14:01,330 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:14:01,330 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:14:01,330 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:14:01,331 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:14:01,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:14:01,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:14:01,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:14:01,332 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:14:01,334 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-14 10:14:01,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:14:01,336 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:01,338 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:14:01,339 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:14:01,339 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:14:01,339 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 10:14:01,340 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:14:01,340 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:14:01,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:14:01,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:14:01,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-14 10:14:01,342 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:14:01,348 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2020-10-14 10:14:01,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:14:01,352 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:01,356 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:14:01,356 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-14 10:14:01,356 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:14:01,356 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 10:14:01,357 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:14:01,357 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:14:01,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:14:01,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-14 10:14:01,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:14:01,358 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:14:01,362 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-10-14 10:14:01,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:14:01,365 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:01,367 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:14:01,367 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 10:14:01,367 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:14:01,368 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:14:01,368 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:14:01,368 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:14:01,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:14:01,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-14 10:14:01,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:14:01,370 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:14:01,417 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 10:14:01,417 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1330165195] [2020-10-14 10:14:01,418 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 10:14:01,418 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-14 10:14:01,419 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [907188677] [2020-10-14 10:14:01,420 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-14 10:14:01,421 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 10:14:01,421 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-14 10:14:01,422 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2020-10-14 10:14:01,422 INFO L87 Difference]: Start difference. First operand 1746 states and 2637 transitions. Second operand 9 states. [2020-10-14 10:14:06,999 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 10:14:06,999 INFO L93 Difference]: Finished difference Result 5880 states and 9481 transitions. [2020-10-14 10:14:06,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-14 10:14:07,000 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 134 [2020-10-14 10:14:07,001 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 10:14:07,030 INFO L225 Difference]: With dead ends: 5880 [2020-10-14 10:14:07,030 INFO L226 Difference]: Without dead ends: 4162 [2020-10-14 10:14:07,042 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=82, Invalid=224, Unknown=0, NotChecked=0, Total=306 [2020-10-14 10:14:07,047 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4162 states. [2020-10-14 10:14:07,451 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4162 to 3433. [2020-10-14 10:14:07,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3433 states. [2020-10-14 10:14:07,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3433 states to 3433 states and 5146 transitions. [2020-10-14 10:14:07,472 INFO L78 Accepts]: Start accepts. Automaton has 3433 states and 5146 transitions. Word has length 134 [2020-10-14 10:14:07,473 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 10:14:07,473 INFO L479 AbstractCegarLoop]: Abstraction has 3433 states and 5146 transitions. [2020-10-14 10:14:07,473 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-14 10:14:07,473 INFO L276 IsEmpty]: Start isEmpty. Operand 3433 states and 5146 transitions. [2020-10-14 10:14:07,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2020-10-14 10:14:07,478 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 10:14:07,478 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 10:14:07,479 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-14 10:14:07,479 INFO L427 AbstractCegarLoop]: === Iteration 5 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 10:14:07,479 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 10:14:07,480 INFO L82 PathProgramCache]: Analyzing trace with hash -691812240, now seen corresponding path program 1 times [2020-10-14 10:14:07,480 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 10:14:07,480 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [693909280] [2020-10-14 10:14:07,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 10:14:07,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:14:07,511 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:07,555 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:07,594 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:07,615 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:07,676 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:08,709 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:08,748 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:12,501 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:14:12,501 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 174 [2020-10-14 10:14:12,502 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-14 10:14:12,502 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-14 10:14:12,502 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:14:12,502 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:14:12,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 10:14:12,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 10:14:12,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 92 [2020-10-14 10:14:12,503 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:14:12,621 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 10:14:12,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:14:12,629 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:12,638 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:14:12,638 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 10:14:12,638 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:14:12,639 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-14 10:14:12,639 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:14:12,639 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:14:12,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:14:12,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:14:12,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 10:14:12,641 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:14:12,670 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 10:14:12,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:14:12,673 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:12,675 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:14:12,675 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 10:14:12,676 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:14:12,676 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 10:14:12,676 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:14:12,677 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:14:12,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:14:12,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:14:12,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 10:14:12,678 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:14:12,680 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 10:14:12,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:14:12,682 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:12,683 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:14:12,683 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 10:14:12,683 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:14:12,684 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:14:12,684 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:14:12,684 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:14:12,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:14:12,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:14:12,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-14 10:14:12,686 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:14:12,708 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-14 10:14:12,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:14:12,712 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:12,717 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:14:12,717 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-14 10:14:12,717 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:14:12,718 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 10:14:12,718 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:14:12,718 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:14:12,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:14:12,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:14:12,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-14 10:14:12,719 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:14:12,763 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-14 10:14:12,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:14:12,769 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:12,777 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:14:12,778 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-14 10:14:12,778 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:14:12,778 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-14 10:14:12,779 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:14:12,779 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:14:12,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:14:12,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:14:12,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-14 10:14:12,780 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:14:12,783 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-14 10:14:12,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:14:12,791 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:12,799 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:12,807 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:13,107 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:13,556 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:14:13,556 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-14 10:14:13,556 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 10:14:13,556 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 768 [2020-10-14 10:14:13,557 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:14:13,557 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:14:13,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:14:13,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 40 [2020-10-14 10:14:13,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 32 [2020-10-14 10:14:13,557 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:14:13,570 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 10:14:13,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:14:13,571 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:13,572 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:14:13,572 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:14:13,572 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:14:13,572 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:14:13,573 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:14:13,573 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:14:13,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:14:13,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:14:13,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:14:13,573 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:14:13,574 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 10:14:13,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:14:13,575 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:13,575 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:14:13,576 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:14:13,576 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:14:13,576 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:14:13,576 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:14:13,576 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:14:13,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:14:13,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:14:13,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:14:13,577 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:14:13,578 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-14 10:14:13,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:14:13,578 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:13,579 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:14:13,579 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:14:13,579 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:14:13,580 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:14:13,580 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:14:13,580 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:14:13,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:14:13,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:14:13,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:14:13,580 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:14:13,581 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-14 10:14:13,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:14:13,582 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:13,583 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:14:13,584 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:14:13,584 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:14:13,584 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:14:13,584 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:14:13,584 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:14:13,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:14:13,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:14:13,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-14 10:14:13,585 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:14:13,586 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-14 10:14:13,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:14:13,587 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:13,589 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:14:13,589 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:14:13,589 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:14:13,590 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 10:14:13,590 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:14:13,590 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:14:13,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:14:13,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:14:13,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 10:14:13,591 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:14:13,592 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-14 10:14:13,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:14:13,593 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:13,595 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:14:13,595 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:14:13,595 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:14:13,596 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 10:14:13,596 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:14:13,596 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:14:13,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:14:13,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:14:13,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 10:14:13,597 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:14:13,601 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2020-10-14 10:14:13,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:14:13,604 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:13,608 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:14:13,608 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-14 10:14:13,608 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:14:13,608 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 10:14:13,609 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:14:13,609 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:14:13,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:14:13,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-14 10:14:13,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:14:13,609 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:14:13,612 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-10-14 10:14:13,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:14:13,613 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:13,614 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:14:13,614 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 10:14:13,614 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:14:13,615 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:14:13,615 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:14:13,615 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:14:13,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:14:13,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-14 10:14:13,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:14:13,616 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:14:13,644 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 10:14:13,645 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [693909280] [2020-10-14 10:14:13,645 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 10:14:13,645 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-14 10:14:13,646 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1658507452] [2020-10-14 10:14:13,646 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-14 10:14:13,646 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 10:14:13,647 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-14 10:14:13,647 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2020-10-14 10:14:13,647 INFO L87 Difference]: Start difference. First operand 3433 states and 5146 transitions. Second operand 9 states. [2020-10-14 10:14:15,529 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2020-10-14 10:14:19,438 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 10:14:19,438 INFO L93 Difference]: Finished difference Result 11498 states and 18417 transitions. [2020-10-14 10:14:19,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-14 10:14:19,439 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 134 [2020-10-14 10:14:19,439 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 10:14:19,495 INFO L225 Difference]: With dead ends: 11498 [2020-10-14 10:14:19,496 INFO L226 Difference]: Without dead ends: 8093 [2020-10-14 10:14:19,518 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=82, Invalid=224, Unknown=0, NotChecked=0, Total=306 [2020-10-14 10:14:19,527 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8093 states. [2020-10-14 10:14:20,132 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8093 to 6746. [2020-10-14 10:14:20,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6746 states. [2020-10-14 10:14:20,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6746 states to 6746 states and 10058 transitions. [2020-10-14 10:14:20,159 INFO L78 Accepts]: Start accepts. Automaton has 6746 states and 10058 transitions. Word has length 134 [2020-10-14 10:14:20,159 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 10:14:20,160 INFO L479 AbstractCegarLoop]: Abstraction has 6746 states and 10058 transitions. [2020-10-14 10:14:20,160 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-14 10:14:20,160 INFO L276 IsEmpty]: Start isEmpty. Operand 6746 states and 10058 transitions. [2020-10-14 10:14:20,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2020-10-14 10:14:20,164 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 10:14:20,164 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 10:14:20,164 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-14 10:14:20,164 INFO L427 AbstractCegarLoop]: === Iteration 6 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 10:14:20,164 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 10:14:20,165 INFO L82 PathProgramCache]: Analyzing trace with hash 1320248845, now seen corresponding path program 1 times [2020-10-14 10:14:20,165 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 10:14:20,165 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [966991138] [2020-10-14 10:14:20,165 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 10:14:20,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:14:20,188 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:20,214 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:20,236 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:20,250 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:20,263 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:20,463 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:24,956 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:25,223 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:14:25,223 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 174 [2020-10-14 10:14:25,223 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-14 10:14:25,224 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5041 [2020-10-14 10:14:25,224 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:14:25,224 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:14:25,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 10:14:25,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 10:14:25,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 81 [2020-10-14 10:14:25,224 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:14:25,314 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 10:14:25,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:14:25,321 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:25,327 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:14:25,328 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 10:14:25,328 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:14:25,328 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 10:14:25,328 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:14:25,328 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:14:25,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:14:25,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:14:25,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 10:14:25,329 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:14:25,349 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 10:14:25,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:14:25,352 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:25,354 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:14:25,354 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 10:14:25,354 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:14:25,354 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:14:25,354 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:14:25,354 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:14:25,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:14:25,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:14:25,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 10:14:25,355 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:14:25,356 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 10:14:25,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:14:25,357 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:25,358 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:14:25,358 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 10:14:25,358 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:14:25,358 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:14:25,359 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:14:25,359 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:14:25,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:14:25,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:14:25,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-14 10:14:25,360 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:14:25,375 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-14 10:14:25,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:14:25,378 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:25,381 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:14:25,381 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-14 10:14:25,381 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:14:25,381 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 10:14:25,381 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:14:25,382 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:14:25,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:14:25,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:14:25,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-14 10:14:25,382 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:14:25,414 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-14 10:14:25,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:14:25,419 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:25,425 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:14:25,426 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-14 10:14:25,426 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:14:25,426 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 10:14:25,426 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:14:25,427 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:14:25,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:14:25,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:14:25,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-14 10:14:25,427 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:14:25,430 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-14 10:14:25,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:14:25,439 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:25,445 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:25,452 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:25,468 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:26,307 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:29,003 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:14:29,003 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-14 10:14:29,003 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 10:14:29,003 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3567 [2020-10-14 10:14:29,003 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:14:29,004 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:14:29,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:14:29,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-10-14 10:14:29,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-14 10:14:29,004 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:14:29,020 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 10:14:29,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:14:29,022 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:29,023 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:14:29,023 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:14:29,023 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:14:29,024 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:14:29,024 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:14:29,024 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:14:29,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:14:29,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:14:29,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:14:29,025 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:14:29,026 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 10:14:29,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:14:29,027 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:29,028 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:14:29,028 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:14:29,029 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:14:29,029 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:14:29,029 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:14:29,029 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:14:29,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:14:29,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:14:29,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:14:29,030 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:14:29,031 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-14 10:14:29,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:14:29,033 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:29,035 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:14:29,035 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:14:29,035 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:14:29,035 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 10:14:29,035 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:14:29,036 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:14:29,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:14:29,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:14:29,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-14 10:14:29,036 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:14:29,038 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-14 10:14:29,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:14:29,040 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:29,041 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:14:29,042 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:14:29,042 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:14:29,042 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 10:14:29,042 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:14:29,042 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:14:29,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:14:29,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:14:29,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 10:14:29,043 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:14:29,044 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-14 10:14:29,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:14:29,046 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:29,047 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:14:29,048 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:14:29,048 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:14:29,048 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:14:29,048 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:14:29,049 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:14:29,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:14:29,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:14:29,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 10:14:29,049 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:14:29,050 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-14 10:14:29,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:14:29,052 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:29,054 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:14:29,054 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:14:29,054 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:14:29,055 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 10:14:29,055 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:14:29,055 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:14:29,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:14:29,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:14:29,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 10:14:29,056 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:14:29,059 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2020-10-14 10:14:29,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:14:29,063 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:29,067 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:14:29,067 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-14 10:14:29,068 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:14:29,068 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 10:14:29,068 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:14:29,068 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:14:29,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:14:29,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-14 10:14:29,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:14:29,069 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:14:29,071 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-10-14 10:14:29,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:14:29,073 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:29,074 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:14:29,074 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 10:14:29,074 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:14:29,075 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:14:29,075 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:14:29,075 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:14:29,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:14:29,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-14 10:14:29,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:14:29,076 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:14:29,103 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 10:14:29,104 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [966991138] [2020-10-14 10:14:29,104 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 10:14:29,104 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-14 10:14:29,105 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [113780476] [2020-10-14 10:14:29,105 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-14 10:14:29,105 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 10:14:29,106 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-14 10:14:29,106 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-10-14 10:14:29,106 INFO L87 Difference]: Start difference. First operand 6746 states and 10058 transitions. Second operand 8 states. [2020-10-14 10:14:29,405 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2020-10-14 10:14:35,384 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 10:14:35,384 INFO L93 Difference]: Finished difference Result 21444 states and 33034 transitions. [2020-10-14 10:14:35,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-14 10:14:35,385 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 134 [2020-10-14 10:14:35,385 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 10:14:35,468 INFO L225 Difference]: With dead ends: 21444 [2020-10-14 10:14:35,469 INFO L226 Difference]: Without dead ends: 14729 [2020-10-14 10:14:35,509 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=74, Invalid=198, Unknown=0, NotChecked=0, Total=272 [2020-10-14 10:14:35,526 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14729 states. [2020-10-14 10:14:37,032 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14729 to 12267. [2020-10-14 10:14:37,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12267 states. [2020-10-14 10:14:37,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12267 states to 12267 states and 18057 transitions. [2020-10-14 10:14:37,084 INFO L78 Accepts]: Start accepts. Automaton has 12267 states and 18057 transitions. Word has length 134 [2020-10-14 10:14:37,085 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 10:14:37,085 INFO L479 AbstractCegarLoop]: Abstraction has 12267 states and 18057 transitions. [2020-10-14 10:14:37,085 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-14 10:14:37,085 INFO L276 IsEmpty]: Start isEmpty. Operand 12267 states and 18057 transitions. [2020-10-14 10:14:37,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2020-10-14 10:14:37,089 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 10:14:37,089 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 10:14:37,089 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-14 10:14:37,089 INFO L427 AbstractCegarLoop]: === Iteration 7 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 10:14:37,090 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 10:14:37,090 INFO L82 PathProgramCache]: Analyzing trace with hash -842730418, now seen corresponding path program 1 times [2020-10-14 10:14:37,090 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 10:14:37,090 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [281347452] [2020-10-14 10:14:37,090 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 10:14:37,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:14:37,119 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:37,159 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:37,182 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:37,196 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:37,210 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:37,252 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:38,066 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:42,114 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:14:42,114 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 174 [2020-10-14 10:14:42,114 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-14 10:14:42,114 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-14 10:14:42,115 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:14:42,115 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:14:42,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 10:14:42,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 10:14:42,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 59 [2020-10-14 10:14:42,115 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:14:42,214 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 10:14:42,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:14:42,221 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:42,226 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:14:42,226 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 10:14:42,227 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:14:42,227 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 10:14:42,227 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:14:42,227 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:14:42,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:14:42,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:14:42,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 10:14:42,227 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:14:42,243 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 10:14:42,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:14:42,246 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:42,248 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:14:42,248 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 10:14:42,248 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:14:42,248 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 10:14:42,249 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:14:42,249 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:14:42,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:14:42,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:14:42,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 10:14:42,249 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:14:42,250 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 10:14:42,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:14:42,252 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:42,252 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:14:42,252 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 10:14:42,252 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:14:42,252 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:14:42,253 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:14:42,253 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:14:42,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:14:42,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:14:42,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-14 10:14:42,253 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:14:42,267 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-14 10:14:42,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:14:42,271 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:42,273 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:14:42,273 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-14 10:14:42,273 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:14:42,274 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 10:14:42,274 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:14:42,274 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:14:42,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:14:42,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:14:42,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-14 10:14:42,274 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:14:42,302 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-14 10:14:42,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:14:42,306 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:42,310 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:14:42,310 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-14 10:14:42,310 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:14:42,310 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 10:14:42,310 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:14:42,311 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:14:42,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:14:42,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:14:42,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-14 10:14:42,311 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:14:42,313 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-14 10:14:42,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:14:42,319 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:42,323 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:42,329 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:42,334 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:42,375 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:46,733 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:47,317 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:14:47,317 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-14 10:14:47,317 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-14 10:14:47,317 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4999 [2020-10-14 10:14:47,318 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:14:47,318 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:14:47,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:14:47,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-14 10:14:47,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 65 [2020-10-14 10:14:47,319 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:14:47,329 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 10:14:47,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:14:47,332 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:47,334 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:14:47,334 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:14:47,334 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:14:47,335 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 10:14:47,335 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:14:47,335 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:14:47,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:14:47,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:14:47,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-14 10:14:47,336 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:14:47,337 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 10:14:47,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:14:47,338 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:47,340 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:14:47,340 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:14:47,340 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:14:47,340 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:14:47,340 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:14:47,340 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:14:47,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:14:47,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:14:47,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 10:14:47,341 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:14:47,342 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-14 10:14:47,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:14:47,343 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:47,344 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:14:47,344 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:14:47,344 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:14:47,344 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:14:47,344 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:14:47,344 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:14:47,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:14:47,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:14:47,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 10:14:47,345 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:14:47,346 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-14 10:14:47,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:14:47,347 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:47,348 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:14:47,349 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:14:47,349 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:14:47,349 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 10:14:47,349 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:14:47,349 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:14:47,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:14:47,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:14:47,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 10:14:47,350 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:14:47,351 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-14 10:14:47,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:14:47,353 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:47,354 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:14:47,354 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:14:47,355 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:14:47,355 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:14:47,355 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:14:47,355 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:14:47,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:14:47,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:14:47,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 10:14:47,356 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:14:47,357 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-14 10:14:47,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:14:47,358 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:47,360 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:14:47,360 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:14:47,360 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:14:47,360 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:14:47,361 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:14:47,361 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:14:47,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:14:47,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:14:47,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 10:14:47,362 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:14:47,365 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2020-10-14 10:14:47,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:14:47,369 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:47,372 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:14:47,373 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-14 10:14:47,373 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:14:47,373 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 10:14:47,373 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:14:47,373 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:14:47,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:14:47,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-14 10:14:47,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:14:47,374 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:14:47,375 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-10-14 10:14:47,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:14:47,376 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:47,377 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:14:47,377 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 10:14:47,377 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:14:47,378 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:14:47,378 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:14:47,378 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:14:47,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:14:47,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-14 10:14:47,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:14:47,378 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:14:47,395 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 10:14:47,396 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [281347452] [2020-10-14 10:14:47,396 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 10:14:47,396 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-14 10:14:47,396 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1454326938] [2020-10-14 10:14:47,397 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-14 10:14:47,397 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 10:14:47,397 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-14 10:14:47,397 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-10-14 10:14:47,398 INFO L87 Difference]: Start difference. First operand 12267 states and 18057 transitions. Second operand 8 states. [2020-10-14 10:14:54,517 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 10:14:54,518 INFO L93 Difference]: Finished difference Result 40356 states and 61680 transitions. [2020-10-14 10:14:54,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-14 10:14:54,519 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 134 [2020-10-14 10:14:54,519 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 10:14:54,699 INFO L225 Difference]: With dead ends: 40356 [2020-10-14 10:14:54,699 INFO L226 Difference]: Without dead ends: 28117 [2020-10-14 10:14:54,781 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=74, Invalid=198, Unknown=0, NotChecked=0, Total=272 [2020-10-14 10:14:54,838 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28117 states. [2020-10-14 10:14:58,082 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28117 to 23303. [2020-10-14 10:14:58,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23303 states. [2020-10-14 10:14:58,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23303 states to 23303 states and 34081 transitions. [2020-10-14 10:14:58,161 INFO L78 Accepts]: Start accepts. Automaton has 23303 states and 34081 transitions. Word has length 134 [2020-10-14 10:14:58,161 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 10:14:58,161 INFO L479 AbstractCegarLoop]: Abstraction has 23303 states and 34081 transitions. [2020-10-14 10:14:58,162 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-14 10:14:58,162 INFO L276 IsEmpty]: Start isEmpty. Operand 23303 states and 34081 transitions. [2020-10-14 10:14:58,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2020-10-14 10:14:58,181 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 10:14:58,182 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-14 10:14:58,182 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-14 10:14:58,182 INFO L427 AbstractCegarLoop]: === Iteration 8 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 10:14:58,182 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 10:14:58,182 INFO L82 PathProgramCache]: Analyzing trace with hash 735602978, now seen corresponding path program 1 times [2020-10-14 10:14:58,183 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 10:14:58,183 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [762315316] [2020-10-14 10:14:58,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 10:14:58,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:14:58,212 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:58,246 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:58,277 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:58,305 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:58,331 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:58,356 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:58,384 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:15:03,210 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:15:03,210 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 279 [2020-10-14 10:15:03,210 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-14 10:15:03,210 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5006 [2020-10-14 10:15:03,210 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:15:03,210 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:15:03,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 10:15:03,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 75 [2020-10-14 10:15:03,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 10:15:03,211 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:15:03,291 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 10:15:03,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:15:03,295 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:15:03,298 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:15:03,298 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 10:15:03,298 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:15:03,298 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 10:15:03,298 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:15:03,298 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:15:03,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:15:03,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:15:03,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:15:03,299 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:15:03,310 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 10:15:03,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:15:03,313 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:15:03,314 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:15:03,314 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 10:15:03,315 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:15:03,315 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 10:15:03,315 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:15:03,315 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:15:03,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:15:03,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:15:03,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:15:03,316 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:15:03,317 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 10:15:03,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:15:03,318 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:15:03,318 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:15:03,319 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 10:15:03,319 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:15:03,319 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:15:03,319 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:15:03,319 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:15:03,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:15:03,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:15:03,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:15:03,320 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:15:03,333 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-14 10:15:03,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:15:03,335 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:15:03,337 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:15:03,337 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-14 10:15:03,337 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:15:03,338 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 10:15:03,338 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:15:03,338 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:15:03,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:15:03,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:15:03,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:15:03,338 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:15:03,368 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-14 10:15:03,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:15:03,371 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:15:03,374 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:15:03,374 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-14 10:15:03,374 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:15:03,374 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 10:15:03,375 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:15:03,375 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:15:03,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:15:03,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:15:03,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:15:03,375 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:15:03,377 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-14 10:15:03,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:15:03,383 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:15:03,387 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:15:03,391 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:15:03,393 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:15:03,421 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:15:08,382 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:15:08,382 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-14 10:15:08,383 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 10:15:08,383 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-14 10:15:08,383 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:15:08,383 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:15:08,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 10:15:08,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 30 [2020-10-14 10:15:08,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 10:15:08,383 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:15:08,432 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 10:15:08,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:15:08,434 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:15:08,435 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:15:08,435 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:15:08,435 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:15:08,435 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:15:08,436 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:15:08,436 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:15:08,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:15:08,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:15:08,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:15:08,437 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:15:08,438 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 10:15:08,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:15:08,439 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:15:08,441 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:15:08,441 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:15:08,441 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:15:08,441 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:15:08,441 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:15:08,442 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:15:08,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:15:08,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:15:08,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:15:08,442 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:15:08,444 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-14 10:15:08,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:15:08,446 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:15:08,449 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:15:08,450 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:15:08,450 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:15:08,450 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 10:15:08,450 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:15:08,451 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:15:08,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 10:15:08,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:15:08,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 10:15:08,451 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:15:08,478 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-14 10:15:08,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:15:08,480 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:15:08,481 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:15:08,481 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:15:08,482 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:15:08,482 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:15:08,482 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:15:08,482 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:15:08,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:15:08,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-14 10:15:08,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:15:08,483 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:15:08,484 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-14 10:15:08,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:15:08,486 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:15:08,487 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:15:08,487 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:15:08,487 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:15:08,487 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:15:08,487 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:15:08,488 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:15:08,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:15:08,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-14 10:15:08,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:15:08,488 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:15:08,489 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-14 10:15:08,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:15:08,491 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:15:08,492 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:15:08,492 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:15:08,492 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:15:08,492 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:15:08,493 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:15:08,493 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:15:08,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:15:08,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-14 10:15:08,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:15:08,494 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:15:08,497 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2020-10-14 10:15:08,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:15:08,501 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:15:08,505 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:15:08,506 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-14 10:15:08,506 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:15:08,506 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 10:15:08,506 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:15:08,506 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:15:08,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:15:08,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-14 10:15:08,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:15:08,507 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:15:08,510 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-10-14 10:15:08,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:15:08,511 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:15:08,512 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:15:08,513 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 10:15:08,513 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:15:08,513 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:15:08,513 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:15:08,513 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:15:08,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:15:08,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-14 10:15:08,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:15:08,514 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:15:08,544 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2020-10-14 10:15:08,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:15:08,553 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:15:08,561 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:15:08,568 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:15:08,576 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:15:08,583 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:15:09,029 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:15:13,552 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:15:13,552 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-14 10:15:13,552 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-14 10:15:13,552 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-14 10:15:13,552 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:15:13,553 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:15:13,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:15:13,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 86 [2020-10-14 10:15:13,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:15:13,553 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:15:13,556 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-14 10:15:13,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:15:13,560 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:15:13,563 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:15:13,568 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:15:13,572 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:15:13,575 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:15:13,751 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:15:18,561 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:15:18,561 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-10-14 10:15:18,562 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-14 10:15:18,562 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-14 10:15:18,562 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:15:18,562 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:15:18,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:15:18,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:15:18,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:15:18,562 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:15:18,565 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 10:15:18,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:15:18,568 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:15:18,572 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:15:18,578 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:15:18,581 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:15:18,584 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:15:18,727 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:15:23,570 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:15:23,570 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-14 10:15:23,570 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-14 10:15:23,571 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-14 10:15:23,571 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:15:23,571 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:15:23,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:15:23,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:15:23,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:15:23,571 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:15:23,574 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 10:15:23,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:15:23,577 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:15:23,578 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:15:23,578 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:15:23,578 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:15:23,578 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 10:15:23,579 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:15:23,579 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:15:23,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:15:23,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:15:23,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:15:23,579 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:15:23,580 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 10:15:23,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:15:23,581 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:15:23,582 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:15:23,582 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:15:23,582 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:15:23,583 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:15:23,583 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:15:23,583 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:15:23,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:15:23,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:15:23,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:15:23,584 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:15:23,585 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-14 10:15:23,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:15:23,586 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:15:23,587 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:15:23,587 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:15:23,587 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:15:23,587 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:15:23,587 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:15:23,587 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:15:23,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:15:23,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:15:23,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:15:23,588 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:15:23,589 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-14 10:15:23,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:15:23,589 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:15:23,590 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:15:23,590 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:15:23,590 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:15:23,590 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:15:23,591 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:15:23,591 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:15:23,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:15:23,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:15:23,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:15:23,591 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:15:23,592 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-14 10:15:23,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:15:23,593 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:15:23,594 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:15:23,594 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:15:23,595 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:15:23,595 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:15:23,595 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:15:23,595 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:15:23,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:15:23,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:15:23,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:15:23,596 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:15:23,597 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-14 10:15:23,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:15:23,604 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:15:23,605 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:15:23,605 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:15:23,605 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:15:23,605 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:15:23,606 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:15:23,606 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:15:23,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:15:23,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:15:23,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:15:23,606 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:15:23,611 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2020-10-14 10:15:23,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:15:23,612 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:15:23,613 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:15:23,613 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 10:15:23,613 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:15:23,613 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:15:23,614 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:15:23,614 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:15:23,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:15:23,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-14 10:15:23,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:15:23,614 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:15:23,644 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 2 proven. 16 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2020-10-14 10:15:23,644 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [762315316] [2020-10-14 10:15:23,644 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 10:15:23,644 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-10-14 10:15:23,645 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1573255417] [2020-10-14 10:15:23,645 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-14 10:15:23,645 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 10:15:23,645 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-14 10:15:23,646 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2020-10-14 10:15:23,646 INFO L87 Difference]: Start difference. First operand 23303 states and 34081 transitions. Second operand 11 states. [2020-10-14 10:15:29,260 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 10:15:29,261 INFO L93 Difference]: Finished difference Result 53088 states and 81220 transitions. [2020-10-14 10:15:29,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-14 10:15:29,261 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 219 [2020-10-14 10:15:29,261 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 10:15:29,414 INFO L225 Difference]: With dead ends: 53088 [2020-10-14 10:15:29,415 INFO L226 Difference]: Without dead ends: 29813 [2020-10-14 10:15:29,515 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=111, Invalid=309, Unknown=0, NotChecked=0, Total=420 [2020-10-14 10:15:29,545 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29813 states. [2020-10-14 10:15:31,547 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29813 to 23423. [2020-10-14 10:15:31,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23423 states. [2020-10-14 10:15:31,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23423 states to 23423 states and 34081 transitions. [2020-10-14 10:15:31,626 INFO L78 Accepts]: Start accepts. Automaton has 23423 states and 34081 transitions. Word has length 219 [2020-10-14 10:15:31,626 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 10:15:31,626 INFO L479 AbstractCegarLoop]: Abstraction has 23423 states and 34081 transitions. [2020-10-14 10:15:31,627 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-14 10:15:31,627 INFO L276 IsEmpty]: Start isEmpty. Operand 23423 states and 34081 transitions. [2020-10-14 10:15:31,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2020-10-14 10:15:31,643 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 10:15:31,643 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-14 10:15:31,643 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-14 10:15:31,644 INFO L427 AbstractCegarLoop]: === Iteration 9 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 10:15:31,644 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 10:15:31,644 INFO L82 PathProgramCache]: Analyzing trace with hash -1231301346, now seen corresponding path program 1 times [2020-10-14 10:15:31,644 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 10:15:31,645 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1071985552] [2020-10-14 10:15:31,645 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 10:15:31,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:15:31,673 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:15:31,707 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:15:31,737 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:15:31,765 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:15:31,792 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:15:31,817 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:15:33,323 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:15:33,390 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:15:36,672 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:15:36,672 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 279 [2020-10-14 10:15:36,673 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-14 10:15:36,673 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5007 [2020-10-14 10:15:36,673 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:15:36,673 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:15:36,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 10:15:36,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 97 [2020-10-14 10:15:36,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 10:15:36,674 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:15:36,757 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 10:15:36,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:15:36,760 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:15:36,763 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:15:36,763 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 10:15:36,763 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:15:36,763 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 10:15:36,763 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:15:36,763 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:15:36,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:15:36,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:15:36,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:15:36,764 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:15:36,775 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 10:15:36,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:15:36,777 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:15:36,778 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:15:36,778 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 10:15:36,778 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:15:36,778 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:15:36,778 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:15:36,778 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:15:36,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:15:36,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:15:36,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:15:36,779 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:15:36,779 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 10:15:36,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:15:36,780 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:15:36,780 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:15:36,780 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 10:15:36,781 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:15:36,781 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:15:36,781 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:15:36,781 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:15:36,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:15:36,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:15:36,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:15:36,781 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:15:36,794 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-14 10:15:36,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:15:36,796 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:15:36,798 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:15:36,798 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-14 10:15:36,799 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:15:36,799 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 10:15:36,799 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:15:36,799 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:15:36,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:15:36,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:15:36,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:15:36,800 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:15:36,826 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-14 10:15:36,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:15:36,829 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:15:36,831 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:15:36,831 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-14 10:15:36,832 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:15:36,832 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 10:15:36,832 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:15:36,832 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:15:36,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:15:36,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:15:36,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:15:36,832 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:15:36,834 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-14 10:15:36,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:15:36,839 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:15:36,842 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:15:36,845 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:15:36,852 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:15:37,794 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:15:41,837 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:15:41,837 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-14 10:15:41,837 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 10:15:41,837 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4999 [2020-10-14 10:15:41,838 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:15:41,838 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:15:41,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 10:15:41,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-10-14 10:15:41,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 10:15:41,838 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:15:41,872 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 10:15:41,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:15:41,873 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:15:41,874 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:15:41,875 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:15:41,875 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:15:41,875 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:15:41,875 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:15:41,876 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:15:41,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:15:41,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:15:41,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:15:41,876 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:15:41,877 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 10:15:41,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:15:41,878 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:15:41,880 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:15:41,881 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:15:41,881 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:15:41,881 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 10:15:41,881 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:15:41,881 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:15:41,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 10:15:41,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:15:41,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 10:15:41,882 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:15:41,905 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-14 10:15:41,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:15:41,906 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:15:41,907 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:15:41,907 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:15:41,908 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:15:41,908 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:15:41,908 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:15:41,908 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:15:41,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:15:41,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-14 10:15:41,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:15:41,908 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:15:41,909 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-14 10:15:41,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:15:41,910 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:15:41,910 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:15:41,911 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:15:41,911 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:15:41,911 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:15:41,911 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:15:41,911 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:15:41,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:15:41,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-14 10:15:41,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:15:41,912 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:15:41,912 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-14 10:15:41,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:15:41,913 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:15:41,913 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:15:41,914 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:15:41,914 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:15:41,914 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:15:41,914 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:15:41,914 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:15:41,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:15:41,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-14 10:15:41,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:15:41,915 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:15:41,915 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-14 10:15:41,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:15:41,916 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:15:41,917 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:15:41,917 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:15:41,917 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:15:41,917 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:15:41,917 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:15:41,917 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:15:41,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:15:41,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-14 10:15:41,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:15:41,918 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:15:41,920 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2020-10-14 10:15:41,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:15:41,922 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:15:41,924 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:15:41,924 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-14 10:15:41,924 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:15:41,925 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 10:15:41,925 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:15:41,925 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:15:41,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:15:41,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-14 10:15:41,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:15:41,925 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:15:41,926 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-10-14 10:15:41,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:15:41,927 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:15:41,928 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:15:41,928 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 10:15:41,928 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:15:41,928 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:15:41,928 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:15:41,929 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:15:41,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:15:41,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-14 10:15:41,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:15:41,929 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:15:41,958 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2020-10-14 10:15:41,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:15:41,965 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:15:41,968 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:15:41,973 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:15:41,990 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:15:42,379 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:15:46,965 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:15:46,965 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-14 10:15:46,965 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 10:15:46,965 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-14 10:15:46,965 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:15:46,965 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:15:46,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 10:15:46,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 51 [2020-10-14 10:15:46,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 10:15:46,966 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:15:46,969 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-14 10:15:46,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:15:46,975 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:15:46,982 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:15:46,987 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:15:46,991 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:15:47,189 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:15:51,974 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:15:51,975 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-10-14 10:15:51,975 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 10:15:51,975 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-14 10:15:51,975 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:15:51,975 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:15:51,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 10:15:51,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-14 10:15:51,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 10:15:51,976 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:15:51,980 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 10:15:51,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:15:51,988 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:15:51,998 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:15:52,002 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:15:52,009 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:15:52,947 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:15:56,984 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:15:56,985 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-14 10:15:56,985 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 10:15:56,985 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-14 10:15:56,985 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:15:56,985 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:15:56,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 10:15:56,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-14 10:15:56,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 10:15:56,986 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:15:57,025 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 10:15:57,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:15:57,028 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:15:57,030 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:15:57,030 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:15:57,030 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:15:57,030 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 10:15:57,030 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:15:57,030 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:15:57,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 10:15:57,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:15:57,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 10:15:57,031 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:15:57,056 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 10:15:57,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:15:57,058 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:15:57,059 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:15:57,059 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:15:57,060 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:15:57,060 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:15:57,060 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:15:57,060 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:15:57,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:15:57,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-14 10:15:57,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:15:57,061 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:15:57,061 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-14 10:15:57,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:15:57,062 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:15:57,063 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:15:57,063 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:15:57,063 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:15:57,064 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:15:57,064 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:15:57,064 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:15:57,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:15:57,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-14 10:15:57,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:15:57,065 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:15:57,066 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-14 10:15:57,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:15:57,067 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:15:57,068 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:15:57,068 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:15:57,068 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:15:57,068 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:15:57,068 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:15:57,069 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:15:57,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:15:57,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-14 10:15:57,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:15:57,069 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:15:57,070 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-14 10:15:57,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:15:57,071 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:15:57,071 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:15:57,071 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:15:57,071 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:15:57,072 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:15:57,072 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:15:57,072 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:15:57,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:15:57,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-14 10:15:57,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:15:57,072 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:15:57,073 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-14 10:15:57,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:15:57,074 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:15:57,074 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:15:57,075 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:15:57,075 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:15:57,075 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:15:57,075 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:15:57,075 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:15:57,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:15:57,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-14 10:15:57,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:15:57,076 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:15:57,081 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2020-10-14 10:15:57,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:15:57,082 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:15:57,082 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:15:57,082 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 10:15:57,083 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:15:57,083 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:15:57,083 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:15:57,083 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:15:57,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:15:57,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-14 10:15:57,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:15:57,083 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:15:57,113 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 10 proven. 3 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2020-10-14 10:15:57,113 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1071985552] [2020-10-14 10:15:57,113 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 10:15:57,113 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2020-10-14 10:15:57,114 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [851676498] [2020-10-14 10:15:57,114 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-10-14 10:15:57,114 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 10:15:57,114 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-10-14 10:15:57,115 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=178, Unknown=0, NotChecked=0, Total=210 [2020-10-14 10:15:57,115 INFO L87 Difference]: Start difference. First operand 23423 states and 34081 transitions. Second operand 15 states. [2020-10-14 10:16:04,720 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 10:16:04,720 INFO L93 Difference]: Finished difference Result 57240 states and 87313 transitions. [2020-10-14 10:16:04,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-10-14 10:16:04,727 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 219 [2020-10-14 10:16:04,727 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 10:16:04,904 INFO L225 Difference]: With dead ends: 57240 [2020-10-14 10:16:04,904 INFO L226 Difference]: Without dead ends: 33845 [2020-10-14 10:16:04,994 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 118 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=192, Invalid=738, Unknown=0, NotChecked=0, Total=930 [2020-10-14 10:16:05,027 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33845 states. [2020-10-14 10:16:07,331 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33845 to 24503. [2020-10-14 10:16:07,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24503 states. [2020-10-14 10:16:07,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24503 states to 24503 states and 35089 transitions. [2020-10-14 10:16:07,411 INFO L78 Accepts]: Start accepts. Automaton has 24503 states and 35089 transitions. Word has length 219 [2020-10-14 10:16:07,412 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 10:16:07,412 INFO L479 AbstractCegarLoop]: Abstraction has 24503 states and 35089 transitions. [2020-10-14 10:16:07,412 INFO L480 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-10-14 10:16:07,412 INFO L276 IsEmpty]: Start isEmpty. Operand 24503 states and 35089 transitions. [2020-10-14 10:16:07,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2020-10-14 10:16:07,429 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 10:16:07,429 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-14 10:16:07,429 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-14 10:16:07,429 INFO L427 AbstractCegarLoop]: === Iteration 10 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 10:16:07,430 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 10:16:07,430 INFO L82 PathProgramCache]: Analyzing trace with hash -329053794, now seen corresponding path program 1 times [2020-10-14 10:16:07,430 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 10:16:07,430 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1585194438] [2020-10-14 10:16:07,430 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 10:16:07,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:16:07,459 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:07,510 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:07,545 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:07,570 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:07,928 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:12,457 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:16:12,458 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 279 [2020-10-14 10:16:12,458 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 10:16:12,458 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5007 [2020-10-14 10:16:12,458 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:16:12,458 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:16:12,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 10:16:12,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 119 [2020-10-14 10:16:12,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 10:16:12,459 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:16:12,539 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 10:16:12,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:16:12,542 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:12,547 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:16:12,547 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 10:16:12,547 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:16:12,547 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 10:16:12,547 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:16:12,548 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:16:12,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:16:12,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:16:12,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:16:12,548 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:16:12,561 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 10:16:12,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:16:12,563 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:12,564 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:16:12,564 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 10:16:12,565 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:16:12,565 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:16:12,565 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:16:12,565 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:16:12,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:16:12,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:16:12,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:16:12,565 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:16:12,566 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 10:16:12,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:16:12,567 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:12,567 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:16:12,567 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 10:16:12,567 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:16:12,567 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:16:12,568 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:16:12,568 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:16:12,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:16:12,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:16:12,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:16:12,568 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:16:12,580 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-14 10:16:12,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:16:12,582 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:12,584 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:16:12,584 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-14 10:16:12,584 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:16:12,584 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:16:12,584 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:16:12,584 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:16:12,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:16:12,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:16:12,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:16:12,585 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:16:12,615 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-14 10:16:12,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:16:12,618 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:12,620 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:16:12,620 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-14 10:16:12,620 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:16:12,620 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 10:16:12,620 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:16:12,621 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:16:12,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:16:12,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:16:12,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:16:12,621 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:16:12,623 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-14 10:16:12,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:16:12,630 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:12,634 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:12,670 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:12,824 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:16:12,824 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-14 10:16:12,824 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 10:16:12,824 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 196 [2020-10-14 10:16:12,824 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:16:12,824 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:16:12,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 10:16:12,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 63 [2020-10-14 10:16:12,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 10:16:12,825 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:16:12,859 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 10:16:12,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:16:12,861 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:12,862 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:16:12,862 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:16:12,862 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:16:12,862 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:16:12,862 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:16:12,862 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:16:12,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:16:12,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:16:12,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:16:12,863 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:16:12,864 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 10:16:12,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:16:12,865 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:12,866 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:16:12,866 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:16:12,866 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:16:12,866 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:16:12,867 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:16:12,867 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:16:12,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:16:12,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:16:12,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:16:12,867 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:16:12,868 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-14 10:16:12,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:16:12,869 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:12,870 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:16:12,870 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:16:12,871 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:16:12,871 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:16:12,871 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:16:12,871 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:16:12,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:16:12,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:16:12,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:16:12,872 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:16:12,873 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-14 10:16:12,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:16:12,874 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:12,875 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:16:12,875 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:16:12,875 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:16:12,875 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:16:12,876 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:16:12,876 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:16:12,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:16:12,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:16:12,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:16:12,877 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:16:12,878 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-14 10:16:12,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:16:12,879 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:12,879 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:16:12,880 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:16:12,880 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:16:12,880 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:16:12,880 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:16:12,880 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:16:12,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:16:12,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:16:12,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:16:12,881 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:16:12,882 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-14 10:16:12,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:16:12,884 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:12,887 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:16:12,887 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:16:12,887 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:16:12,888 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 10:16:12,888 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:16:12,888 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:16:12,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 10:16:12,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:16:12,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 10:16:12,889 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:16:12,922 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2020-10-14 10:16:12,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:16:12,929 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:12,932 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:16:12,932 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-14 10:16:12,932 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:16:12,932 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 10:16:12,932 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:16:12,932 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:16:12,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:16:12,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-14 10:16:12,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:16:12,933 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:16:12,934 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-10-14 10:16:12,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:16:12,936 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:12,936 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:16:12,937 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 10:16:12,937 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:16:12,937 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:16:12,937 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:16:12,937 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:16:12,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:16:12,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-14 10:16:12,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:16:12,937 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:16:12,966 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2020-10-14 10:16:12,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:16:12,974 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:12,980 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:12,993 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:13,282 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:13,521 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:16:13,521 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-14 10:16:13,521 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 10:16:13,521 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 549 [2020-10-14 10:16:13,522 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:16:13,522 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:16:13,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:16:13,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 86 [2020-10-14 10:16:13,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:16:13,522 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:16:13,525 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-14 10:16:13,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:16:13,528 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:13,530 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:13,534 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:13,569 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:13,917 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:16:13,917 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-10-14 10:16:13,917 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 10:16:13,917 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 389 [2020-10-14 10:16:13,917 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:16:13,918 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:16:13,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:16:13,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:16:13,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:16:13,918 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:16:13,920 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 10:16:13,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:16:13,922 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:13,925 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:13,928 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:13,983 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:14,150 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:16:14,150 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-14 10:16:14,151 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 10:16:14,151 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 227 [2020-10-14 10:16:14,151 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:16:14,151 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:16:14,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:16:14,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:16:14,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:16:14,152 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:16:14,156 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 10:16:14,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:16:14,157 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:14,158 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:16:14,158 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:16:14,158 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:16:14,158 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:16:14,158 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:16:14,158 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:16:14,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:16:14,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:16:14,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:16:14,159 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:16:14,159 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 10:16:14,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:16:14,160 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:14,161 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:16:14,161 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:16:14,161 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:16:14,161 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:16:14,161 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:16:14,161 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:16:14,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:16:14,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:16:14,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:16:14,162 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:16:14,162 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-14 10:16:14,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:16:14,163 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:14,164 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:16:14,164 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:16:14,164 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:16:14,164 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:16:14,164 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:16:14,164 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:16:14,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:16:14,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:16:14,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:16:14,165 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:16:14,166 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-14 10:16:14,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:16:14,166 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:14,167 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:16:14,167 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:16:14,168 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:16:14,168 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:16:14,168 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:16:14,168 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:16:14,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:16:14,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:16:14,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:16:14,168 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:16:14,169 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-14 10:16:14,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:16:14,170 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:14,170 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:16:14,171 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:16:14,171 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:16:14,171 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:16:14,171 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:16:14,171 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:16:14,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:16:14,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:16:14,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:16:14,172 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:16:14,172 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-14 10:16:14,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:16:14,173 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:14,174 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:16:14,174 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:16:14,174 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:16:14,174 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:16:14,174 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:16:14,174 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:16:14,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:16:14,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:16:14,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:16:14,175 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:16:14,179 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2020-10-14 10:16:14,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:16:14,181 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:14,182 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:16:14,182 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 10:16:14,182 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:16:14,182 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:16:14,182 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:16:14,182 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:16:14,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:16:14,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-14 10:16:14,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:16:14,183 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:16:14,319 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 2 proven. 7 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2020-10-14 10:16:14,320 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1585194438] [2020-10-14 10:16:14,320 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 10:16:14,320 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-10-14 10:16:14,320 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1272010297] [2020-10-14 10:16:14,321 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-14 10:16:14,321 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 10:16:14,321 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-14 10:16:14,321 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2020-10-14 10:16:14,321 INFO L87 Difference]: Start difference. First operand 24503 states and 35089 transitions. Second operand 11 states. [2020-10-14 10:16:20,209 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 10:16:20,210 INFO L93 Difference]: Finished difference Result 55680 states and 83560 transitions. [2020-10-14 10:16:20,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-14 10:16:20,210 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 219 [2020-10-14 10:16:20,210 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 10:16:20,327 INFO L225 Difference]: With dead ends: 55680 [2020-10-14 10:16:20,327 INFO L226 Difference]: Without dead ends: 31205 [2020-10-14 10:16:20,392 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=111, Invalid=309, Unknown=0, NotChecked=0, Total=420 [2020-10-14 10:16:20,419 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31205 states. [2020-10-14 10:16:22,186 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31205 to 24863. [2020-10-14 10:16:22,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24863 states. [2020-10-14 10:16:22,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24863 states to 24863 states and 35377 transitions. [2020-10-14 10:16:22,263 INFO L78 Accepts]: Start accepts. Automaton has 24863 states and 35377 transitions. Word has length 219 [2020-10-14 10:16:22,263 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 10:16:22,264 INFO L479 AbstractCegarLoop]: Abstraction has 24863 states and 35377 transitions. [2020-10-14 10:16:22,264 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-14 10:16:22,264 INFO L276 IsEmpty]: Start isEmpty. Operand 24863 states and 35377 transitions. [2020-10-14 10:16:22,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2020-10-14 10:16:22,275 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 10:16:22,275 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-14 10:16:22,275 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-14 10:16:22,275 INFO L427 AbstractCegarLoop]: === Iteration 11 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 10:16:22,276 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 10:16:22,276 INFO L82 PathProgramCache]: Analyzing trace with hash -334050526, now seen corresponding path program 1 times [2020-10-14 10:16:22,276 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 10:16:22,276 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1080500643] [2020-10-14 10:16:22,276 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 10:16:22,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:16:22,295 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:22,322 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:22,342 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:22,403 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:23,939 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:24,025 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:24,130 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:24,157 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:24,186 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:24,214 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:24,243 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:24,267 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:24,289 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:24,309 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:24,329 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:24,402 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:24,744 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:25,976 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:27,292 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:16:27,292 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 279 [2020-10-14 10:16:27,292 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 18 [2020-10-14 10:16:27,292 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-14 10:16:27,292 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:16:27,292 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:16:27,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 10:16:27,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 215 [2020-10-14 10:16:27,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 10:16:27,293 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:16:27,383 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 10:16:27,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:16:27,387 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:27,391 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:16:27,392 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 10:16:27,392 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:16:27,392 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 10:16:27,392 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:16:27,392 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:16:27,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:16:27,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:16:27,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:16:27,393 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:16:27,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 10:16:27,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:16:27,409 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:27,410 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:16:27,410 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 10:16:27,410 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:16:27,410 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:16:27,410 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:16:27,410 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:16:27,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:16:27,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:16:27,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:16:27,411 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:16:27,412 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 10:16:27,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:16:27,412 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:27,413 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:16:27,413 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 10:16:27,413 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:16:27,413 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:16:27,413 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:16:27,414 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:16:27,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:16:27,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:16:27,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:16:27,414 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:16:27,428 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-14 10:16:27,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:16:27,430 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:27,433 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:16:27,433 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-14 10:16:27,433 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:16:27,433 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 10:16:27,434 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:16:27,434 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:16:27,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:16:27,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:16:27,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:16:27,434 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:16:27,465 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-14 10:16:27,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:16:27,468 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:27,473 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:16:27,473 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-14 10:16:27,473 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:16:27,473 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 10:16:27,473 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:16:27,473 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:16:27,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:16:27,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:16:27,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:16:27,474 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:16:27,476 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-14 10:16:27,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:16:27,482 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:27,485 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:27,490 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:27,577 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:16:27,577 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-14 10:16:27,577 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 10:16:27,577 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 95 [2020-10-14 10:16:27,578 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:16:27,578 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:16:27,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:16:27,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:16:27,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:16:27,578 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:16:27,581 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 10:16:27,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:16:27,581 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:27,582 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:16:27,582 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:16:27,582 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:16:27,582 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:16:27,583 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:16:27,583 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:16:27,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:16:27,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:16:27,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:16:27,583 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:16:27,584 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 10:16:27,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:16:27,584 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:27,585 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:16:27,585 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:16:27,585 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:16:27,585 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:16:27,585 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:16:27,586 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:16:27,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:16:27,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:16:27,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:16:27,586 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:16:27,587 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-14 10:16:27,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:16:27,588 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:27,588 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:16:27,589 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:16:27,589 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:16:27,589 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:16:27,589 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:16:27,589 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:16:27,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:16:27,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:16:27,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:16:27,589 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:16:27,590 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-14 10:16:27,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:16:27,591 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:27,591 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:16:27,591 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:16:27,591 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:16:27,591 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:16:27,592 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:16:27,592 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:16:27,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:16:27,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:16:27,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:16:27,592 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:16:27,593 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-14 10:16:27,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:16:27,593 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:27,594 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:16:27,594 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:16:27,594 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:16:27,594 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:16:27,594 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:16:27,594 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:16:27,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:16:27,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:16:27,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:16:27,595 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:16:27,596 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-14 10:16:27,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:16:27,597 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:27,598 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:16:27,598 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:16:27,598 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:16:27,598 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:16:27,598 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:16:27,599 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:16:27,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:16:27,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:16:27,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:16:27,599 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:16:27,601 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2020-10-14 10:16:27,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:16:27,602 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:27,604 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:16:27,604 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-14 10:16:27,605 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:16:27,605 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 10:16:27,605 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:16:27,605 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:16:27,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:16:27,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:16:27,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:16:27,605 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:16:27,607 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-10-14 10:16:27,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:16:27,608 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:27,608 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:16:27,609 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 10:16:27,609 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:16:27,609 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:16:27,609 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:16:27,609 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:16:27,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:16:27,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:16:27,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:16:27,609 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:16:27,633 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2020-10-14 10:16:27,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:16:27,642 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:27,648 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:27,951 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:16:27,952 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-14 10:16:27,952 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 10:16:27,952 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 311 [2020-10-14 10:16:27,952 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:16:27,952 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:16:27,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 10:16:27,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 62 [2020-10-14 10:16:27,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 10:16:27,953 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:16:27,955 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-14 10:16:27,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:16:27,961 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:27,965 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:28,034 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:16:28,034 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-10-14 10:16:28,034 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 10:16:28,034 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 74 [2020-10-14 10:16:28,034 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:16:28,034 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:16:28,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 10:16:28,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 55 [2020-10-14 10:16:28,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 10:16:28,035 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:16:28,037 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 10:16:28,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:16:28,043 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:28,046 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:28,106 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:16:28,106 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-14 10:16:28,106 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 10:16:28,107 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 66 [2020-10-14 10:16:28,107 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:16:28,107 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:16:28,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 10:16:28,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 52 [2020-10-14 10:16:28,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 10:16:28,107 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:16:28,123 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 10:16:28,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:16:28,125 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:28,125 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:16:28,126 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:16:28,126 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:16:28,126 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:16:28,126 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:16:28,126 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:16:28,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:16:28,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:16:28,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:16:28,127 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:16:28,127 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 10:16:28,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:16:28,128 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:28,128 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:16:28,129 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:16:28,129 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:16:28,129 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:16:28,129 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:16:28,129 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:16:28,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:16:28,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:16:28,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:16:28,130 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:16:28,130 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-14 10:16:28,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:16:28,131 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:28,132 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:16:28,132 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:16:28,132 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:16:28,132 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:16:28,132 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:16:28,133 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:16:28,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:16:28,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:16:28,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:16:28,133 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:16:28,134 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-14 10:16:28,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:16:28,134 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:28,135 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:16:28,135 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:16:28,136 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:16:28,136 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:16:28,136 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:16:28,136 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:16:28,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:16:28,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:16:28,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:16:28,137 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:16:28,137 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-14 10:16:28,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:16:28,139 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:28,140 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:16:28,141 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:16:28,141 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:16:28,141 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 10:16:28,141 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:16:28,141 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:16:28,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 10:16:28,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:16:28,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 10:16:28,142 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:16:28,158 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-14 10:16:28,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:16:28,160 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:28,161 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:16:28,161 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:16:28,161 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:16:28,161 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:16:28,161 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:16:28,162 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:16:28,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:16:28,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-14 10:16:28,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:16:28,162 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:16:28,168 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2020-10-14 10:16:28,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:16:28,169 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:28,170 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:16:28,170 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 10:16:28,170 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:16:28,170 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:16:28,171 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:16:28,171 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:16:28,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:16:28,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-14 10:16:28,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:16:28,172 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:16:28,200 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2020-10-14 10:16:28,200 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1080500643] [2020-10-14 10:16:28,200 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 10:16:28,200 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-14 10:16:28,201 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1550019849] [2020-10-14 10:16:28,201 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-14 10:16:28,201 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 10:16:28,201 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-14 10:16:28,202 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2020-10-14 10:16:28,202 INFO L87 Difference]: Start difference. First operand 24863 states and 35377 transitions. Second operand 11 states. [2020-10-14 10:16:33,737 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 10:16:33,737 INFO L93 Difference]: Finished difference Result 57768 states and 86097 transitions. [2020-10-14 10:16:33,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-14 10:16:33,738 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 219 [2020-10-14 10:16:33,738 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 10:16:33,870 INFO L225 Difference]: With dead ends: 57768 [2020-10-14 10:16:33,870 INFO L226 Difference]: Without dead ends: 32933 [2020-10-14 10:16:33,946 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=111, Invalid=309, Unknown=0, NotChecked=0, Total=420 [2020-10-14 10:16:33,980 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32933 states. [2020-10-14 10:16:36,154 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32933 to 25583. [2020-10-14 10:16:36,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25583 states. [2020-10-14 10:16:36,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25583 states to 25583 states and 36097 transitions. [2020-10-14 10:16:36,229 INFO L78 Accepts]: Start accepts. Automaton has 25583 states and 36097 transitions. Word has length 219 [2020-10-14 10:16:36,230 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 10:16:36,230 INFO L479 AbstractCegarLoop]: Abstraction has 25583 states and 36097 transitions. [2020-10-14 10:16:36,230 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-14 10:16:36,230 INFO L276 IsEmpty]: Start isEmpty. Operand 25583 states and 36097 transitions. [2020-10-14 10:16:36,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2020-10-14 10:16:36,241 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 10:16:36,241 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 10:16:36,241 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-14 10:16:36,241 INFO L427 AbstractCegarLoop]: === Iteration 12 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 10:16:36,242 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 10:16:36,242 INFO L82 PathProgramCache]: Analyzing trace with hash -1559320514, now seen corresponding path program 1 times [2020-10-14 10:16:36,242 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 10:16:36,242 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1230571928] [2020-10-14 10:16:36,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 10:16:36,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:16:36,274 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:36,303 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:36,330 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:36,423 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:36,534 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:36,632 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:41,269 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:16:41,269 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 279 [2020-10-14 10:16:41,269 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-14 10:16:41,269 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-14 10:16:41,270 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:16:41,270 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:16:41,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 10:16:41,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 74 [2020-10-14 10:16:41,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 119 [2020-10-14 10:16:41,270 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:16:41,360 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 10:16:41,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:16:41,363 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:41,366 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:16:41,366 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 10:16:41,366 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:16:41,366 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 10:16:41,366 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:16:41,366 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:16:41,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:16:41,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:16:41,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:16:41,367 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:16:41,380 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 10:16:41,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:16:41,382 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:41,383 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:16:41,383 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 10:16:41,383 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:16:41,384 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:16:41,384 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:16:41,384 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:16:41,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:16:41,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:16:41,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:16:41,384 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:16:41,385 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 10:16:41,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:16:41,386 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:41,386 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:16:41,386 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 10:16:41,386 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:16:41,386 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:16:41,386 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:16:41,387 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:16:41,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:16:41,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:16:41,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:16:41,387 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:16:41,402 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-14 10:16:41,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:16:41,404 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:41,405 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:16:41,405 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-14 10:16:41,405 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:16:41,405 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:16:41,406 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:16:41,406 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:16:41,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:16:41,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:16:41,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:16:41,406 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:16:41,434 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-14 10:16:41,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:16:41,436 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:41,439 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:16:41,439 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-14 10:16:41,440 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:16:41,440 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 10:16:41,440 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:16:41,440 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:16:41,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:16:41,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:16:41,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:16:41,440 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:16:41,442 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-14 10:16:41,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:16:41,445 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:41,448 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:41,476 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:16:41,477 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-14 10:16:41,477 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 10:16:41,477 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-10-14 10:16:41,477 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:16:41,477 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:16:41,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:16:41,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:16:41,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-14 10:16:41,478 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:16:41,481 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 10:16:41,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:16:41,481 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:41,482 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:16:41,482 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:16:41,482 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:16:41,482 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:16:41,482 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:16:41,483 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:16:41,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:16:41,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:16:41,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:16:41,483 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:16:41,484 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 10:16:41,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:16:41,484 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:41,485 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:16:41,485 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:16:41,486 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:16:41,486 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:16:41,486 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:16:41,486 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:16:41,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:16:41,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:16:41,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-14 10:16:41,486 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:16:41,487 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-14 10:16:41,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:16:41,490 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:41,491 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:16:41,491 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:16:41,492 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:16:41,492 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:16:41,492 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:16:41,492 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:16:41,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:16:41,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:16:41,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 10:16:41,492 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:16:41,493 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-14 10:16:41,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:16:41,494 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:41,495 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:16:41,495 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:16:41,495 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:16:41,495 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:16:41,496 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:16:41,496 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:16:41,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:16:41,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:16:41,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 10:16:41,496 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:16:41,497 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-14 10:16:41,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:16:41,498 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:41,498 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:16:41,499 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:16:41,499 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:16:41,499 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:16:41,499 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:16:41,499 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:16:41,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:16:41,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:16:41,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 10:16:41,500 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:16:41,500 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-14 10:16:41,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:16:41,501 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:41,502 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:16:41,502 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:16:41,503 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:16:41,503 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:16:41,503 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:16:41,503 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:16:41,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:16:41,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:16:41,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 10:16:41,503 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:16:41,506 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2020-10-14 10:16:41,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:16:41,509 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:41,513 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:16:41,513 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-14 10:16:41,513 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:16:41,513 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 10:16:41,513 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:16:41,513 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:16:41,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:16:41,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:16:41,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-14 10:16:41,514 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:16:41,516 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-10-14 10:16:41,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:16:41,517 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:41,518 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:16:41,518 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 10:16:41,518 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:16:41,518 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:16:41,518 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:16:41,518 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:16:41,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:16:41,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:16:41,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 10:16:41,519 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:16:41,544 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2020-10-14 10:16:41,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:16:41,553 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:41,566 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:41,591 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:16:41,591 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-14 10:16:41,591 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 10:16:41,591 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 40 [2020-10-14 10:16:41,592 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:16:41,592 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:16:41,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:16:41,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 28 [2020-10-14 10:16:41,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 59 [2020-10-14 10:16:41,592 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:16:41,602 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-14 10:16:41,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:16:41,609 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:41,612 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:41,651 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:16:41,651 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-10-14 10:16:41,651 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 10:16:41,651 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 42 [2020-10-14 10:16:41,651 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:16:41,651 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:16:41,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:16:41,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:16:41,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-14 10:16:41,652 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:16:41,655 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 10:16:41,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:16:41,661 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:41,664 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:41,699 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:16:41,699 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-14 10:16:41,699 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 10:16:41,699 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-10-14 10:16:41,699 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:16:41,700 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:16:41,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:16:41,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:16:41,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-14 10:16:41,700 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:16:41,704 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 10:16:41,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:16:41,705 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:41,705 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:16:41,706 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:16:41,706 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:16:41,706 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:16:41,706 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:16:41,706 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:16:41,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:16:41,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:16:41,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:16:41,707 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:16:41,707 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 10:16:41,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:16:41,708 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:41,709 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:16:41,709 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:16:41,709 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:16:41,710 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:16:41,710 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:16:41,710 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:16:41,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:16:41,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:16:41,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-14 10:16:41,710 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:16:41,711 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-14 10:16:41,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:16:41,712 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:41,713 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:16:41,713 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:16:41,714 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:16:41,714 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:16:41,714 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:16:41,714 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:16:41,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:16:41,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:16:41,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 10:16:41,715 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:16:41,715 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-14 10:16:41,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:16:41,716 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:41,717 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:16:41,717 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:16:41,717 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:16:41,717 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:16:41,718 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:16:41,718 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:16:41,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:16:41,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:16:41,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 10:16:41,718 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:16:41,719 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-14 10:16:41,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:16:41,720 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:41,721 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:16:41,721 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:16:41,721 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:16:41,722 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:16:41,722 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:16:41,722 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:16:41,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:16:41,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:16:41,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 10:16:41,722 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:16:41,723 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-14 10:16:41,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:16:41,724 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:41,725 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:16:41,725 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:16:41,725 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:16:41,725 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:16:41,726 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:16:41,726 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:16:41,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:16:41,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:16:41,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 10:16:41,726 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:16:41,733 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2020-10-14 10:16:41,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:16:41,734 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:41,734 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:16:41,734 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 10:16:41,734 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:16:41,735 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:16:41,735 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:16:41,735 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:16:41,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:16:41,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-14 10:16:41,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:16:41,735 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:16:41,768 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 9 proven. 19 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2020-10-14 10:16:41,769 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1230571928] [2020-10-14 10:16:41,769 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 10:16:41,769 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-10-14 10:16:41,769 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [867328096] [2020-10-14 10:16:41,769 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-14 10:16:41,769 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 10:16:41,770 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-14 10:16:41,770 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2020-10-14 10:16:41,770 INFO L87 Difference]: Start difference. First operand 25583 states and 36097 transitions. Second operand 9 states. [2020-10-14 10:16:50,746 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 10:16:50,747 INFO L93 Difference]: Finished difference Result 81056 states and 122757 transitions. [2020-10-14 10:16:50,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-14 10:16:50,747 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 219 [2020-10-14 10:16:50,748 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 10:16:50,900 INFO L225 Difference]: With dead ends: 81056 [2020-10-14 10:16:50,900 INFO L226 Difference]: Without dead ends: 55501 [2020-10-14 10:16:50,971 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 63 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=99, Invalid=281, Unknown=0, NotChecked=0, Total=380 [2020-10-14 10:16:51,018 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55501 states. [2020-10-14 10:16:54,208 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55501 to 44007. [2020-10-14 10:16:54,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44007 states. [2020-10-14 10:16:54,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44007 states to 44007 states and 62288 transitions. [2020-10-14 10:16:54,339 INFO L78 Accepts]: Start accepts. Automaton has 44007 states and 62288 transitions. Word has length 219 [2020-10-14 10:16:54,340 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 10:16:54,340 INFO L479 AbstractCegarLoop]: Abstraction has 44007 states and 62288 transitions. [2020-10-14 10:16:54,340 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-14 10:16:54,340 INFO L276 IsEmpty]: Start isEmpty. Operand 44007 states and 62288 transitions. [2020-10-14 10:16:54,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2020-10-14 10:16:54,355 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 10:16:54,355 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 10:16:54,356 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-14 10:16:54,356 INFO L427 AbstractCegarLoop]: === Iteration 13 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 10:16:54,356 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 10:16:54,356 INFO L82 PathProgramCache]: Analyzing trace with hash -643486207, now seen corresponding path program 1 times [2020-10-14 10:16:54,356 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 10:16:54,356 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1541096978] [2020-10-14 10:16:54,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 10:16:54,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:16:54,376 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:54,401 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:54,421 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:54,486 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:54,544 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:57,778 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:57,799 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:57,820 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:57,859 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:57,880 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:57,899 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:57,916 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:57,932 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:57,947 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:57,965 FATAL L256 erpolLogProxyWrapper]: Now shrinking...