/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=NARROWEST --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.08.cil-2.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-13 15:46:46,210 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-13 15:46:46,213 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-13 15:46:46,252 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-13 15:46:46,253 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-13 15:46:46,260 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-13 15:46:46,262 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-13 15:46:46,265 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-13 15:46:46,268 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-13 15:46:46,270 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-13 15:46:46,271 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-13 15:46:46,272 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-13 15:46:46,272 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-13 15:46:46,275 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-13 15:46:46,277 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-13 15:46:46,278 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-13 15:46:46,280 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-13 15:46:46,281 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-13 15:46:46,282 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-13 15:46:46,290 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-13 15:46:46,292 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-13 15:46:46,293 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-13 15:46:46,293 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-13 15:46:46,294 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-13 15:46:46,306 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-13 15:46:46,306 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-13 15:46:46,306 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-13 15:46:46,313 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-13 15:46:46,314 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-13 15:46:46,315 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-13 15:46:46,317 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-13 15:46:46,318 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-13 15:46:46,318 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-13 15:46:46,319 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-13 15:46:46,322 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-13 15:46:46,322 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-13 15:46:46,323 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-13 15:46:46,323 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-13 15:46:46,323 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-13 15:46:46,324 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-13 15:46:46,324 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-13 15:46:46,325 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 [2020-10-13 15:46:46,360 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-13 15:46:46,360 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-13 15:46:46,362 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-13 15:46:46,362 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-13 15:46:46,362 INFO L138 SettingsManager]: * Use SBE=true [2020-10-13 15:46:46,363 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-13 15:46:46,363 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-13 15:46:46,363 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-13 15:46:46,363 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-13 15:46:46,363 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-13 15:46:46,364 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-13 15:46:46,365 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-13 15:46:46,365 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-13 15:46:46,365 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-13 15:46:46,365 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-13 15:46:46,365 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-13 15:46:46,366 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-13 15:46:46,366 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-13 15:46:46,366 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-13 15:46:46,366 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-13 15:46:46,366 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-13 15:46:46,367 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-13 15:46:46,367 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-13 15:46:46,367 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-13 15:46:46,367 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-13 15:46:46,367 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-13 15:46:46,368 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-13 15:46:46,368 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-13 15:46:46,368 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-13 15:46:46,368 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=NARROWEST;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=NARROWEST;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=NARROWEST;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=NARROWEST;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=NARROWEST;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=NARROWEST;log-additional-information=true;unknown-allowed=true; [2020-10-13 15:46:46,671 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-13 15:46:46,683 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-13 15:46:46,686 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-13 15:46:46,687 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-13 15:46:46,688 INFO L275 PluginConnector]: CDTParser initialized [2020-10-13 15:46:46,689 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/systemc/token_ring.08.cil-2.c [2020-10-13 15:46:46,745 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/098dd45c1/fb8fbbe6caf54c41aac27e87e93276ee/FLAG7f9acbea7 [2020-10-13 15:46:47,175 INFO L306 CDTParser]: Found 1 translation units. [2020-10-13 15:46:47,175 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/systemc/token_ring.08.cil-2.c [2020-10-13 15:46:47,200 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/098dd45c1/fb8fbbe6caf54c41aac27e87e93276ee/FLAG7f9acbea7 [2020-10-13 15:46:47,564 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/098dd45c1/fb8fbbe6caf54c41aac27e87e93276ee [2020-10-13 15:46:47,572 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-13 15:46:47,574 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-13 15:46:47,575 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-13 15:46:47,575 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-13 15:46:47,579 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-13 15:46:47,580 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 03:46:47" (1/1) ... [2020-10-13 15:46:47,582 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e9488dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:46:47, skipping insertion in model container [2020-10-13 15:46:47,583 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 03:46:47" (1/1) ... [2020-10-13 15:46:47,590 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-13 15:46:47,633 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-13 15:46:47,893 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 15:46:47,899 INFO L203 MainTranslator]: Completed pre-run [2020-10-13 15:46:48,187 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 15:46:48,222 INFO L208 MainTranslator]: Completed translation [2020-10-13 15:46:48,222 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:46:48 WrapperNode [2020-10-13 15:46:48,223 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-13 15:46:48,223 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-13 15:46:48,223 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-13 15:46:48,223 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-13 15:46:48,234 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:46:48" (1/1) ... [2020-10-13 15:46:48,234 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:46:48" (1/1) ... [2020-10-13 15:46:48,245 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:46:48" (1/1) ... [2020-10-13 15:46:48,246 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:46:48" (1/1) ... [2020-10-13 15:46:48,269 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:46:48" (1/1) ... [2020-10-13 15:46:48,304 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:46:48" (1/1) ... [2020-10-13 15:46:48,308 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:46:48" (1/1) ... [2020-10-13 15:46:48,314 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-13 15:46:48,314 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-13 15:46:48,315 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-13 15:46:48,315 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-13 15:46:48,316 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:46:48" (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 [2020-10-13 15:46:48,370 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-13 15:46:48,370 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-13 15:46:48,370 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2020-10-13 15:46:48,371 INFO L138 BoogieDeclarations]: Found implementation of procedure master [2020-10-13 15:46:48,371 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit1 [2020-10-13 15:46:48,371 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit2 [2020-10-13 15:46:48,371 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit3 [2020-10-13 15:46:48,371 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit4 [2020-10-13 15:46:48,371 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit5 [2020-10-13 15:46:48,372 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit6 [2020-10-13 15:46:48,372 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit7 [2020-10-13 15:46:48,372 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit8 [2020-10-13 15:46:48,372 INFO L138 BoogieDeclarations]: Found implementation of procedure is_master_triggered [2020-10-13 15:46:48,372 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit1_triggered [2020-10-13 15:46:48,372 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit2_triggered [2020-10-13 15:46:48,372 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit3_triggered [2020-10-13 15:46:48,373 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit4_triggered [2020-10-13 15:46:48,373 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit5_triggered [2020-10-13 15:46:48,373 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit6_triggered [2020-10-13 15:46:48,373 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit7_triggered [2020-10-13 15:46:48,373 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit8_triggered [2020-10-13 15:46:48,373 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels [2020-10-13 15:46:48,374 INFO L138 BoogieDeclarations]: Found implementation of procedure init_threads [2020-10-13 15:46:48,374 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2020-10-13 15:46:48,374 INFO L138 BoogieDeclarations]: Found implementation of procedure eval [2020-10-13 15:46:48,374 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events [2020-10-13 15:46:48,374 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events [2020-10-13 15:46:48,374 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads [2020-10-13 15:46:48,375 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2020-10-13 15:46:48,375 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_time_events [2020-10-13 15:46:48,375 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_time_events [2020-10-13 15:46:48,375 INFO L138 BoogieDeclarations]: Found implementation of procedure init_model [2020-10-13 15:46:48,375 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_simulation [2020-10-13 15:46:48,375 INFO L138 BoogieDeclarations]: Found implementation of procedure start_simulation [2020-10-13 15:46:48,375 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-13 15:46:48,376 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-13 15:46:48,376 INFO L130 BoogieDeclarations]: Found specification of procedure error [2020-10-13 15:46:48,376 INFO L130 BoogieDeclarations]: Found specification of procedure is_master_triggered [2020-10-13 15:46:48,376 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit1_triggered [2020-10-13 15:46:48,376 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit2_triggered [2020-10-13 15:46:48,376 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit3_triggered [2020-10-13 15:46:48,376 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit4_triggered [2020-10-13 15:46:48,377 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit5_triggered [2020-10-13 15:46:48,377 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit6_triggered [2020-10-13 15:46:48,377 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit7_triggered [2020-10-13 15:46:48,377 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit8_triggered [2020-10-13 15:46:48,377 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2020-10-13 15:46:48,377 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-13 15:46:48,377 INFO L130 BoogieDeclarations]: Found specification of procedure master [2020-10-13 15:46:48,378 INFO L130 BoogieDeclarations]: Found specification of procedure transmit1 [2020-10-13 15:46:48,378 INFO L130 BoogieDeclarations]: Found specification of procedure transmit2 [2020-10-13 15:46:48,378 INFO L130 BoogieDeclarations]: Found specification of procedure transmit3 [2020-10-13 15:46:48,378 INFO L130 BoogieDeclarations]: Found specification of procedure transmit4 [2020-10-13 15:46:48,378 INFO L130 BoogieDeclarations]: Found specification of procedure transmit5 [2020-10-13 15:46:48,378 INFO L130 BoogieDeclarations]: Found specification of procedure transmit6 [2020-10-13 15:46:48,378 INFO L130 BoogieDeclarations]: Found specification of procedure transmit7 [2020-10-13 15:46:48,379 INFO L130 BoogieDeclarations]: Found specification of procedure transmit8 [2020-10-13 15:46:48,379 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels [2020-10-13 15:46:48,379 INFO L130 BoogieDeclarations]: Found specification of procedure init_threads [2020-10-13 15:46:48,379 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2020-10-13 15:46:48,379 INFO L130 BoogieDeclarations]: Found specification of procedure eval [2020-10-13 15:46:48,379 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events [2020-10-13 15:46:48,380 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events [2020-10-13 15:46:48,380 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads [2020-10-13 15:46:48,380 INFO L130 BoogieDeclarations]: Found specification of procedure fire_time_events [2020-10-13 15:46:48,380 INFO L130 BoogieDeclarations]: Found specification of procedure reset_time_events [2020-10-13 15:46:48,380 INFO L130 BoogieDeclarations]: Found specification of procedure init_model [2020-10-13 15:46:48,380 INFO L130 BoogieDeclarations]: Found specification of procedure stop_simulation [2020-10-13 15:46:48,380 INFO L130 BoogieDeclarations]: Found specification of procedure start_simulation [2020-10-13 15:46:48,381 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-13 15:46:48,381 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-13 15:46:48,381 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-13 15:46:49,230 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-13 15:46:49,230 INFO L295 CfgBuilder]: Removed 11 assume(true) statements. [2020-10-13 15:46:49,237 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 03:46:49 BoogieIcfgContainer [2020-10-13 15:46:49,238 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-13 15:46:49,240 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-13 15:46:49,240 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-13 15:46:49,244 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-13 15:46:49,244 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 03:46:47" (1/3) ... [2020-10-13 15:46:49,245 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54dda4b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 03:46:49, skipping insertion in model container [2020-10-13 15:46:49,245 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:46:48" (2/3) ... [2020-10-13 15:46:49,246 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54dda4b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 03:46:49, skipping insertion in model container [2020-10-13 15:46:49,246 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 03:46:49" (3/3) ... [2020-10-13 15:46:49,248 INFO L109 eAbstractionObserver]: Analyzing ICFG token_ring.08.cil-2.c [2020-10-13 15:46:49,259 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-13 15:46:49,268 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-13 15:46:49,284 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-13 15:46:49,312 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-13 15:46:49,312 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-13 15:46:49,312 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-13 15:46:49,312 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-13 15:46:49,313 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-13 15:46:49,313 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-13 15:46:49,313 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-13 15:46:49,314 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-13 15:46:49,365 INFO L276 IsEmpty]: Start isEmpty. Operand 361 states. [2020-10-13 15:46:49,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2020-10-13 15:46:49,400 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 15:46:49,402 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 15:46:49,402 INFO L427 AbstractCegarLoop]: === Iteration 1 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 15:46:49,407 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 15:46:49,408 INFO L82 PathProgramCache]: Analyzing trace with hash -17079978, now seen corresponding path program 1 times [2020-10-13 15:46:49,416 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 15:46:49,417 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [613877328] [2020-10-13 15:46:49,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 15:46:49,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:46:49,881 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:50,015 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:50,177 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:50,261 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:50,339 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:50,476 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:51,515 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:54,761 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:46:54,761 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 222 [2020-10-13 15:46:54,762 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-13 15:46:54,762 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5023 [2020-10-13 15:46:54,765 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:46:54,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 15:46:54,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 139 [2020-10-13 15:46:54,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 15:46:54,766 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-13 15:46:55,047 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 142 [2020-10-13 15:46:55,049 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 15:46:55,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:46:55,057 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:55,064 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:46:55,065 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:46:55,065 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:46:55,065 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-13 15:46:55,065 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:46:55,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:46:55,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:46:55,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:46:55,066 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 15:46:55,096 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 15:46:55,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:46:55,100 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:55,102 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:46:55,102 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:46:55,102 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:46:55,103 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 15:46:55,103 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:46:55,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:46:55,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:46:55,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:46:55,104 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:46:55,106 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 15:46:55,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:46:55,107 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:55,108 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:46:55,108 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 15:46:55,109 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:46:55,109 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:46:55,109 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:46:55,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:46:55,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:46:55,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:46:55,110 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:46:55,134 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-13 15:46:55,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:46:55,138 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:55,142 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:46:55,142 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 15:46:55,143 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:46:55,143 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 15:46:55,143 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:46:55,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:46:55,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:46:55,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:46:55,144 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:46:55,196 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-13 15:46:55,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:46:55,201 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:55,208 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:46:55,208 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-13 15:46:55,208 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:46:55,209 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 15:46:55,209 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:46:55,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:46:55,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:46:55,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:46:55,210 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:46:55,217 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-13 15:46:55,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:46:55,244 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:55,263 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:55,279 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:55,291 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:55,329 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:47:00,234 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:47:00,235 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 107 [2020-10-13 15:47:00,235 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 15:47:00,235 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-13 15:47:00,236 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:47:00,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 15:47:00,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 74 [2020-10-13 15:47:00,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 15:47:00,237 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 15:47:00,299 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 15:47:00,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:47:00,303 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:47:00,304 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:47:00,305 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:47:00,305 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:47:00,305 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:47:00,305 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:47:00,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:47:00,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:47:00,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:47:00,306 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:47:00,310 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 15:47:00,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:47:00,311 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:47:00,319 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:47:00,319 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:47:00,320 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:47:00,320 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 15:47:00,320 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:47:00,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:47:00,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:47:00,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:47:00,326 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-10-13 15:47:00,328 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-13 15:47:00,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:47:00,332 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:47:00,333 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:47:00,334 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:47:00,336 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:47:00,336 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 15:47:00,337 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:47:00,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:47:00,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:47:00,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:47:00,338 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:47:00,341 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-13 15:47:00,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:47:00,343 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:47:00,345 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:47:00,345 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:47:00,345 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:47:00,345 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:47:00,345 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:47:00,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:47:00,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:47:00,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:47:00,346 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:47:00,354 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-13 15:47:00,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:47:00,355 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:47:00,360 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:47:00,360 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:47:00,361 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:47:00,361 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 15:47:00,361 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:47:00,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:47:00,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:47:00,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:47:00,365 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-13 15:47:00,368 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-13 15:47:00,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:47:00,370 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:47:00,371 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:47:00,371 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:47:00,371 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:47:00,371 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:47:00,371 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:47:00,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:47:00,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:47:00,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:47:00,377 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-10-13 15:47:00,378 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-13 15:47:00,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:47:00,380 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:47:00,386 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:47:00,387 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:47:00,387 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:47:00,387 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 15:47:00,387 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:47:00,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 15:47:00,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:47:00,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 15:47:00,388 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:47:00,424 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-13 15:47:00,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:47:00,426 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:47:00,427 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:47:00,427 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:47:00,428 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:47:00,428 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:47:00,428 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:47:00,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:47:00,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 15:47:00,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:47:00,429 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:47:00,430 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-13 15:47:00,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:47:00,432 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:47:00,433 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:47:00,434 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:47:00,434 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:47:00,434 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:47:00,434 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:47:00,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:47:00,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 15:47:00,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:47:00,435 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 15:47:00,444 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-10-13 15:47:00,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:47:00,451 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:47:00,459 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:47:00,459 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-13 15:47:00,459 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:47:00,459 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-13 15:47:00,460 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:47:00,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:47:00,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 22 [2020-10-13 15:47:00,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:47:00,461 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:47:00,465 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2020-10-13 15:47:00,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:47:00,467 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:47:00,468 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:47:00,469 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 15:47:00,469 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:47:00,469 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:47:00,469 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:47:00,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:47:00,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 15:47:00,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:47:00,470 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:47:00,534 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 15:47:00,535 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [613877328] [2020-10-13 15:47:00,537 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 15:47:00,537 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-13 15:47:00,539 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2124205475] [2020-10-13 15:47:00,547 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-13 15:47:00,547 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 15:47:00,561 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-13 15:47:00,562 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-10-13 15:47:00,565 INFO L87 Difference]: Start difference. First operand 361 states. Second operand 10 states. [2020-10-13 15:47:02,371 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 146 [2020-10-13 15:47:02,591 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 149 [2020-10-13 15:47:02,774 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 146 [2020-10-13 15:47:03,034 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2020-10-13 15:47:07,134 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 15:47:07,135 INFO L93 Difference]: Finished difference Result 930 states and 1526 transitions. [2020-10-13 15:47:07,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-13 15:47:07,137 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 176 [2020-10-13 15:47:07,139 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 15:47:07,162 INFO L225 Difference]: With dead ends: 930 [2020-10-13 15:47:07,163 INFO L226 Difference]: Without dead ends: 584 [2020-10-13 15:47:07,171 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=91, Invalid=251, Unknown=0, NotChecked=0, Total=342 [2020-10-13 15:47:07,191 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 584 states. [2020-10-13 15:47:07,294 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 584 to 357. [2020-10-13 15:47:07,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 357 states. [2020-10-13 15:47:07,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 357 states and 516 transitions. [2020-10-13 15:47:07,301 INFO L78 Accepts]: Start accepts. Automaton has 357 states and 516 transitions. Word has length 176 [2020-10-13 15:47:07,302 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 15:47:07,302 INFO L479 AbstractCegarLoop]: Abstraction has 357 states and 516 transitions. [2020-10-13 15:47:07,302 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-13 15:47:07,303 INFO L276 IsEmpty]: Start isEmpty. Operand 357 states and 516 transitions. [2020-10-13 15:47:07,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2020-10-13 15:47:07,309 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 15:47:07,309 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 15:47:07,309 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-13 15:47:07,310 INFO L427 AbstractCegarLoop]: === Iteration 2 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 15:47:07,310 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 15:47:07,310 INFO L82 PathProgramCache]: Analyzing trace with hash -71472876, now seen corresponding path program 1 times [2020-10-13 15:47:07,310 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 15:47:07,311 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2069725158] [2020-10-13 15:47:07,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 15:47:07,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:47:07,366 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:47:07,400 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:47:07,488 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:47:07,527 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:47:07,565 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:47:07,600 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:47:12,348 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:47:12,349 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 222 [2020-10-13 15:47:12,349 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-13 15:47:12,352 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-13 15:47:12,352 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:47:12,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 15:47:12,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 73 [2020-10-13 15:47:12,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 15:47:12,354 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 15:47:12,503 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 142 [2020-10-13 15:47:12,504 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 15:47:12,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:47:12,511 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:47:12,516 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:47:12,517 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:47:12,517 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:47:12,517 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 15:47:12,517 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:47:12,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:47:12,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:47:12,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:47:12,521 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-13 15:47:12,565 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 15:47:12,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:47:12,568 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:47:12,570 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:47:12,570 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:47:12,575 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:47:12,575 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 15:47:12,576 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:47:12,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:47:12,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:47:12,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:47:12,576 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:47:12,581 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 15:47:12,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:47:12,583 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:47:12,586 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:47:12,586 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 15:47:12,586 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:47:12,586 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 15:47:12,587 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:47:12,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:47:12,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:47:12,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:47:12,587 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:47:12,623 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-13 15:47:12,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:47:12,626 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:47:12,628 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:47:12,629 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 15:47:12,629 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:47:12,629 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 15:47:12,629 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:47:12,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:47:12,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:47:12,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:47:12,630 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:47:12,667 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-13 15:47:12,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:47:12,671 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:47:12,675 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:47:12,676 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-13 15:47:12,676 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:47:12,676 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 15:47:12,676 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:47:12,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:47:12,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:47:12,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:47:12,677 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:47:12,681 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-13 15:47:12,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:47:12,703 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:47:12,714 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:47:12,724 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:47:12,732 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:47:17,695 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:47:17,696 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 107 [2020-10-13 15:47:17,696 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 15:47:17,696 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-13 15:47:17,696 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:47:17,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 15:47:17,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 15:47:17,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 15:47:17,697 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:47:17,737 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 15:47:17,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:47:17,741 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:47:17,745 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:47:17,745 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:47:17,745 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:47:17,745 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 15:47:17,745 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:47:17,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 15:47:17,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:47:17,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 15:47:17,746 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:47:17,782 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 15:47:17,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:47:17,784 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:47:17,786 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:47:17,786 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:47:17,786 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:47:17,786 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 15:47:17,787 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:47:17,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:47:17,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 15:47:17,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:47:17,787 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:47:17,789 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-13 15:47:17,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:47:17,790 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:47:17,792 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:47:17,792 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:47:17,792 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:47:17,792 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 15:47:17,793 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:47:17,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:47:17,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 15:47:17,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:47:17,793 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:47:17,795 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-13 15:47:17,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:47:17,796 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:47:17,798 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:47:17,798 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:47:17,798 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:47:17,798 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:47:17,798 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:47:17,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:47:17,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 15:47:17,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:47:17,799 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:47:17,800 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-13 15:47:17,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:47:17,802 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:47:17,804 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:47:17,804 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:47:17,804 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:47:17,804 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 15:47:17,805 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:47:17,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:47:17,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 15:47:17,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:47:17,805 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:47:17,807 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-13 15:47:17,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:47:17,808 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:47:17,809 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:47:17,810 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:47:17,810 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:47:17,810 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:47:17,810 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:47:17,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:47:17,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 15:47:17,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:47:17,811 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:47:17,812 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-13 15:47:17,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:47:17,814 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:47:17,815 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:47:17,815 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:47:17,815 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:47:17,816 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:47:17,816 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:47:17,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:47:17,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 15:47:17,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:47:17,817 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:47:17,818 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-13 15:47:17,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:47:17,820 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:47:17,821 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:47:17,821 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:47:17,822 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:47:17,822 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 15:47:17,822 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:47:17,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:47:17,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 15:47:17,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:47:17,823 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:47:17,824 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-13 15:47:17,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:47:17,826 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:47:17,827 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:47:17,827 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:47:17,827 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:47:17,827 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:47:17,828 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:47:17,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:47:17,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 15:47:17,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:47:17,828 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:47:17,835 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-10-13 15:47:17,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:47:17,841 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:47:17,846 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:47:17,846 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-13 15:47:17,846 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:47:17,846 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 15:47:17,846 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:47:17,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:47:17,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 22 [2020-10-13 15:47:17,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:47:17,847 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:47:17,851 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2020-10-13 15:47:17,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:47:17,852 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:47:17,853 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:47:17,854 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 15:47:17,854 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:47:17,854 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:47:17,854 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:47:17,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:47:17,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 15:47:17,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:47:17,855 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:47:17,900 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 15:47:17,901 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2069725158] [2020-10-13 15:47:17,901 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 15:47:17,901 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-13 15:47:17,901 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1409992489] [2020-10-13 15:47:17,903 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-13 15:47:17,903 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 15:47:17,904 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-13 15:47:17,904 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-10-13 15:47:17,904 INFO L87 Difference]: Start difference. First operand 357 states and 516 transitions. Second operand 10 states. [2020-10-13 15:47:18,919 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 146 [2020-10-13 15:47:19,078 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 149 [2020-10-13 15:47:19,231 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 146 [2020-10-13 15:47:19,394 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2020-10-13 15:47:24,043 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 15:47:24,044 INFO L93 Difference]: Finished difference Result 936 states and 1454 transitions. [2020-10-13 15:47:24,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-13 15:47:24,044 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 176 [2020-10-13 15:47:24,045 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 15:47:24,057 INFO L225 Difference]: With dead ends: 936 [2020-10-13 15:47:24,057 INFO L226 Difference]: Without dead ends: 606 [2020-10-13 15:47:24,060 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=84, Invalid=222, Unknown=0, NotChecked=0, Total=306 [2020-10-13 15:47:24,062 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 606 states. [2020-10-13 15:47:24,114 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 606 to 362. [2020-10-13 15:47:24,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 362 states. [2020-10-13 15:47:24,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 362 states and 521 transitions. [2020-10-13 15:47:24,117 INFO L78 Accepts]: Start accepts. Automaton has 362 states and 521 transitions. Word has length 176 [2020-10-13 15:47:24,117 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 15:47:24,117 INFO L479 AbstractCegarLoop]: Abstraction has 362 states and 521 transitions. [2020-10-13 15:47:24,118 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-13 15:47:24,118 INFO L276 IsEmpty]: Start isEmpty. Operand 362 states and 521 transitions. [2020-10-13 15:47:24,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2020-10-13 15:47:24,120 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 15:47:24,120 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 15:47:24,121 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-13 15:47:24,121 INFO L427 AbstractCegarLoop]: === Iteration 3 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 15:47:24,121 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 15:47:24,121 INFO L82 PathProgramCache]: Analyzing trace with hash -1913948590, now seen corresponding path program 1 times [2020-10-13 15:47:24,122 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 15:47:24,122 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2140266252] [2020-10-13 15:47:24,122 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 15:47:24,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:47:24,167 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:47:24,195 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:47:24,273 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:47:24,309 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:47:24,341 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:47:26,173 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:47:26,229 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:47:26,290 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:47:26,346 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:47:26,614 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:47:26,730 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:47:26,776 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:47:26,810 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:47:26,848 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:47:26,888 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:47:26,918 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:47:26,952 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:47:26,971 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:47:26,993 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:47:27,020 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:47:27,066 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:47:27,135 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:47:27,175 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:47:27,224 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:47:29,180 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:47:29,181 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 222 [2020-10-13 15:47:29,181 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 24 [2020-10-13 15:47:29,181 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5029 [2020-10-13 15:47:29,181 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:47:29,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 15:47:29,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 106 [2020-10-13 15:47:29,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 15:47:29,182 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:47:29,334 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 142 [2020-10-13 15:47:29,334 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 15:47:29,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:47:29,339 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:47:29,342 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:47:29,343 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:47:29,343 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:47:29,343 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 15:47:29,343 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:47:29,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:47:29,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:47:29,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:47:29,344 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:47:29,364 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 15:47:29,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:47:29,366 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:47:29,367 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:47:29,368 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:47:29,368 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:47:29,368 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:47:29,368 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:47:29,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:47:29,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:47:29,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:47:29,369 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:47:29,370 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 15:47:29,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:47:29,371 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:47:29,372 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:47:29,372 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 15:47:29,372 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:47:29,372 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:47:29,372 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:47:29,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:47:29,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:47:29,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:47:29,373 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:47:29,401 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-13 15:47:29,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:47:29,404 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:47:29,408 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:47:29,408 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 15:47:29,409 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:47:29,409 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 15:47:29,409 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:47:29,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:47:29,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:47:29,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:47:29,411 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 15:47:29,467 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-13 15:47:29,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:47:29,471 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:47:29,476 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:47:29,477 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-13 15:47:29,477 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:47:29,477 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 15:47:29,477 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:47:29,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:47:29,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:47:29,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:47:29,478 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 15:47:29,491 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-13 15:47:29,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:47:29,512 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:47:29,547 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:47:29,555 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:47:30,477 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:47:30,477 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 107 [2020-10-13 15:47:30,477 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 15:47:30,477 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 972 [2020-10-13 15:47:30,478 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:47:30,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 15:47:30,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 41 [2020-10-13 15:47:30,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 15:47:30,478 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:47:30,526 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 15:47:30,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:47:30,528 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:47:30,529 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:47:30,529 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:47:30,530 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:47:30,530 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:47:30,530 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:47:30,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:47:30,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:47:30,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:47:30,531 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:47:30,537 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 15:47:30,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:47:30,543 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:47:30,545 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:47:30,546 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:47:30,546 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:47:30,546 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:47:30,546 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:47:30,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:47:30,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:47:30,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:47:30,547 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:47:30,548 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-13 15:47:30,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:47:30,550 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:47:30,551 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:47:30,551 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:47:30,551 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:47:30,552 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:47:30,552 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:47:30,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:47:30,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:47:30,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:47:30,553 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:47:30,554 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-13 15:47:30,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:47:30,560 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:47:30,567 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:47:30,567 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:47:30,568 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:47:30,568 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-13 15:47:30,568 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:47:30,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 15:47:30,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:47:30,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 15:47:30,569 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:47:30,604 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-13 15:47:30,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:47:30,607 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:47:30,608 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:47:30,608 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:47:30,608 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:47:30,608 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:47:30,608 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:47:30,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:47:30,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 15:47:30,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:47:30,609 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:47:30,611 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-13 15:47:30,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:47:30,616 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:47:30,617 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:47:30,618 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:47:30,618 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:47:30,618 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 15:47:30,618 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:47:30,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:47:30,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 15:47:30,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:47:30,620 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 15:47:30,621 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-13 15:47:30,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:47:30,623 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:47:30,624 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:47:30,624 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:47:30,624 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:47:30,624 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:47:30,625 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:47:30,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:47:30,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 15:47:30,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:47:30,625 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:47:30,627 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-13 15:47:30,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:47:30,628 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:47:30,630 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:47:30,630 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:47:30,630 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:47:30,630 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:47:30,631 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:47:30,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:47:30,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 15:47:30,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:47:30,632 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:47:30,633 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-13 15:47:30,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:47:30,635 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:47:30,636 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:47:30,636 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:47:30,637 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:47:30,637 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:47:30,637 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:47:30,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:47:30,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 15:47:30,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:47:30,638 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 15:47:30,647 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-10-13 15:47:30,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:47:30,654 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:47:30,664 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:47:30,665 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-13 15:47:30,665 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:47:30,665 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-13 15:47:30,666 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:47:30,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:47:30,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 22 [2020-10-13 15:47:30,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:47:30,667 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 15:47:30,671 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2020-10-13 15:47:30,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:47:30,672 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:47:30,674 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:47:30,674 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 15:47:30,674 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:47:30,674 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:47:30,674 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:47:30,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:47:30,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 15:47:30,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:47:30,675 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:47:30,720 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 15:47:30,720 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2140266252] [2020-10-13 15:47:30,720 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 15:47:30,721 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-13 15:47:30,721 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1475927255] [2020-10-13 15:47:30,722 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-13 15:47:30,722 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 15:47:30,724 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-13 15:47:30,725 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-10-13 15:47:30,725 INFO L87 Difference]: Start difference. First operand 362 states and 521 transitions. Second operand 10 states. [2020-10-13 15:47:31,953 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2020-10-13 15:47:32,117 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 147 [2020-10-13 15:47:32,284 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 146 [2020-10-13 15:47:32,530 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2020-10-13 15:47:36,875 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 15:47:36,876 INFO L93 Difference]: Finished difference Result 942 states and 1458 transitions. [2020-10-13 15:47:36,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-13 15:47:36,876 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 176 [2020-10-13 15:47:36,877 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 15:47:36,882 INFO L225 Difference]: With dead ends: 942 [2020-10-13 15:47:36,882 INFO L226 Difference]: Without dead ends: 607 [2020-10-13 15:47:36,884 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=91, Invalid=251, Unknown=0, NotChecked=0, Total=342 [2020-10-13 15:47:36,886 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 607 states. [2020-10-13 15:47:36,947 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 607 to 367. [2020-10-13 15:47:36,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 367 states. [2020-10-13 15:47:36,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 367 states to 367 states and 526 transitions. [2020-10-13 15:47:36,950 INFO L78 Accepts]: Start accepts. Automaton has 367 states and 526 transitions. Word has length 176 [2020-10-13 15:47:36,950 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 15:47:36,950 INFO L479 AbstractCegarLoop]: Abstraction has 367 states and 526 transitions. [2020-10-13 15:47:36,950 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-13 15:47:36,951 INFO L276 IsEmpty]: Start isEmpty. Operand 367 states and 526 transitions. [2020-10-13 15:47:36,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2020-10-13 15:47:36,953 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 15:47:36,953 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 15:47:36,954 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-13 15:47:36,954 INFO L427 AbstractCegarLoop]: === Iteration 4 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 15:47:36,954 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 15:47:36,954 INFO L82 PathProgramCache]: Analyzing trace with hash 440436692, now seen corresponding path program 1 times [2020-10-13 15:47:36,954 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 15:47:36,955 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [501038065] [2020-10-13 15:47:36,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 15:47:36,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:47:37,006 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:47:37,036 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:47:37,120 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:47:37,164 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:47:37,591 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:47:37,635 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:47:37,738 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:47:37,863 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:47:38,204 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:47:38,282 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:47:38,327 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:47:38,375 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:47:38,417 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:47:38,458 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:47:38,499 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:47:38,541 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:47:38,598 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:47:38,629 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:47:38,652 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:47:38,674 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:47:38,747 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:47:38,800 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:47:38,841 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:47:42,005 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:47:42,005 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 222 [2020-10-13 15:47:42,006 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 23 [2020-10-13 15:47:42,006 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5018 [2020-10-13 15:47:42,006 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:47:42,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 15:47:42,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 128 [2020-10-13 15:47:42,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 15:47:42,006 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:47:42,150 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 142 [2020-10-13 15:47:42,151 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 15:47:42,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:47:42,157 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:47:42,160 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:47:42,160 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:47:42,161 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:47:42,161 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 15:47:42,161 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:47:42,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:47:42,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:47:42,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:47:42,161 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:47:42,189 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 15:47:42,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:47:42,192 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:47:42,193 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:47:42,194 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:47:42,194 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:47:42,194 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:47:42,194 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:47:42,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:47:42,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:47:42,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:47:42,195 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:47:42,196 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 15:47:42,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:47:42,198 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:47:42,198 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:47:42,198 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 15:47:42,198 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:47:42,199 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:47:42,199 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:47:42,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:47:42,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:47:42,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:47:42,200 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:47:42,221 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-13 15:47:42,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:47:42,224 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:47:42,227 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:47:42,227 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 15:47:42,228 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:47:42,228 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 15:47:42,228 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:47:42,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:47:42,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:47:42,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:47:42,229 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:47:42,276 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-13 15:47:42,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:47:42,279 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:47:42,283 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:47:42,284 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-13 15:47:42,284 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:47:42,284 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 15:47:42,284 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:47:42,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:47:42,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:47:42,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:47:42,285 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:47:42,287 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-13 15:47:42,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:47:42,304 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:47:42,315 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:47:42,510 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:47:42,510 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 107 [2020-10-13 15:47:42,510 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 15:47:42,511 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 211 [2020-10-13 15:47:42,511 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:47:42,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 15:47:42,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 63 [2020-10-13 15:47:42,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 15:47:42,512 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:47:42,544 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 15:47:42,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:47:42,545 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:47:42,546 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:47:42,547 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:47:42,547 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:47:42,547 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:47:42,547 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:47:42,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:47:42,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:47:42,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:47:42,548 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:47:42,549 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 15:47:42,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:47:42,551 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:47:42,552 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:47:42,552 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:47:42,552 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:47:42,552 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:47:42,553 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:47:42,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:47:42,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:47:42,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:47:42,553 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:47:42,555 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-13 15:47:42,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:47:42,556 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:47:42,557 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:47:42,558 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:47:42,558 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:47:42,558 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:47:42,558 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:47:42,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:47:42,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:47:42,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:47:42,559 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:47:42,560 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-13 15:47:42,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:47:42,562 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:47:42,563 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:47:42,563 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:47:42,563 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:47:42,563 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:47:42,563 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:47:42,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:47:42,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:47:42,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:47:42,564 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:47:42,566 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-13 15:47:42,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:47:42,567 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:47:42,568 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:47:42,568 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:47:42,568 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:47:42,568 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:47:42,569 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:47:42,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:47:42,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:47:42,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:47:42,569 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:47:42,571 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-13 15:47:42,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:47:42,573 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:47:42,576 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:47:42,576 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:47:42,576 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:47:42,576 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 15:47:42,577 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:47:42,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 15:47:42,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:47:42,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 15:47:42,577 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:47:42,597 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-13 15:47:42,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:47:42,599 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:47:42,600 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:47:42,600 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:47:42,601 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:47:42,601 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:47:42,601 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:47:42,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:47:42,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 15:47:42,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:47:42,602 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:47:42,603 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-13 15:47:42,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:47:42,605 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:47:42,606 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:47:42,606 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:47:42,606 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:47:42,607 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:47:42,607 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:47:42,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:47:42,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 15:47:42,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:47:42,607 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:47:42,609 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-13 15:47:42,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:47:42,610 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:47:42,611 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:47:42,612 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:47:42,612 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:47:42,612 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:47:42,612 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:47:42,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:47:42,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 15:47:42,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:47:42,613 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:47:42,619 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-10-13 15:47:42,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:47:42,624 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:47:42,630 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:47:42,630 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-13 15:47:42,631 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:47:42,631 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 15:47:42,631 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:47:42,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:47:42,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 22 [2020-10-13 15:47:42,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:47:42,632 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:47:42,635 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2020-10-13 15:47:42,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:47:42,637 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:47:42,638 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:47:42,638 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 15:47:42,638 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:47:42,638 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:47:42,639 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:47:42,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:47:42,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 15:47:42,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:47:42,639 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:47:42,674 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 15:47:42,675 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [501038065] [2020-10-13 15:47:42,675 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 15:47:42,675 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-13 15:47:42,675 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1570218515] [2020-10-13 15:47:42,676 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-13 15:47:42,676 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 15:47:42,676 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-13 15:47:42,677 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-10-13 15:47:42,677 INFO L87 Difference]: Start difference. First operand 367 states and 526 transitions. Second operand 10 states. [2020-10-13 15:47:44,150 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2020-10-13 15:47:44,308 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 147 [2020-10-13 15:47:44,474 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 146 [2020-10-13 15:47:44,734 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2020-10-13 15:47:48,914 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 15:47:48,915 INFO L93 Difference]: Finished difference Result 948 states and 1461 transitions. [2020-10-13 15:47:48,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-13 15:47:48,915 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 176 [2020-10-13 15:47:48,916 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 15:47:48,921 INFO L225 Difference]: With dead ends: 948 [2020-10-13 15:47:48,921 INFO L226 Difference]: Without dead ends: 608 [2020-10-13 15:47:48,923 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=91, Invalid=251, Unknown=0, NotChecked=0, Total=342 [2020-10-13 15:47:48,925 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 608 states. [2020-10-13 15:47:49,003 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 608 to 372. [2020-10-13 15:47:49,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 372 states. [2020-10-13 15:47:49,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 372 states and 531 transitions. [2020-10-13 15:47:49,009 INFO L78 Accepts]: Start accepts. Automaton has 372 states and 531 transitions. Word has length 176 [2020-10-13 15:47:49,011 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 15:47:49,011 INFO L479 AbstractCegarLoop]: Abstraction has 372 states and 531 transitions. [2020-10-13 15:47:49,011 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-13 15:47:49,011 INFO L276 IsEmpty]: Start isEmpty. Operand 372 states and 531 transitions. [2020-10-13 15:47:49,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2020-10-13 15:47:49,014 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 15:47:49,014 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 15:47:49,014 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-13 15:47:49,015 INFO L427 AbstractCegarLoop]: === Iteration 5 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 15:47:49,015 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 15:47:49,015 INFO L82 PathProgramCache]: Analyzing trace with hash -1470605866, now seen corresponding path program 1 times [2020-10-13 15:47:49,015 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 15:47:49,016 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1789530883] [2020-10-13 15:47:49,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 15:47:49,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:47:49,060 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:47:49,087 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:47:49,157 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:47:49,228 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:47:49,319 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:47:49,365 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:47:49,415 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:47:49,429 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:47:49,458 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:47:49,500 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:47:49,527 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:47:49,552 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:47:49,577 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:47:49,601 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:47:49,630 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:47:49,650 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:47:49,668 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:47:49,686 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:47:49,703 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:47:49,718 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:47:49,752 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:47:49,781 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:47:53,539 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:47:53,655 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:47:54,056 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:47:54,056 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 222 [2020-10-13 15:47:54,056 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 24 [2020-10-13 15:47:54,056 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5012 [2020-10-13 15:47:54,056 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:47:54,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 15:47:54,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 95 [2020-10-13 15:47:54,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 15:47:54,057 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:47:54,201 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 142 [2020-10-13 15:47:54,202 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 15:47:54,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:47:54,208 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:47:54,212 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:47:54,212 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:47:54,212 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:47:54,212 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 15:47:54,213 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:47:54,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:47:54,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:47:54,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:47:54,213 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:47:54,238 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 15:47:54,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:47:54,240 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:47:54,242 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:47:54,242 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:47:54,242 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:47:54,242 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:47:54,242 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:47:54,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:47:54,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:47:54,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:47:54,243 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:47:54,244 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 15:47:54,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:47:54,244 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:47:54,245 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:47:54,245 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 15:47:54,245 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:47:54,245 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:47:54,245 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:47:54,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:47:54,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:47:54,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:47:54,246 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:47:54,266 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-13 15:47:54,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:47:54,268 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:47:54,270 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:47:54,270 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 15:47:54,271 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:47:54,271 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 15:47:54,271 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:47:54,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:47:54,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:47:54,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:47:54,271 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:47:54,313 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-13 15:47:54,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:47:54,317 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:47:54,323 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:47:54,324 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-13 15:47:54,324 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:47:54,324 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 15:47:54,324 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:47:54,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:47:54,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:47:54,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:47:54,325 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:47:54,327 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-13 15:47:54,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:47:54,337 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:47:54,361 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:47:54,361 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 107 [2020-10-13 15:47:54,361 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:47:54,362 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-13 15:47:54,362 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:47:54,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 15:47:54,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 30 [2020-10-13 15:47:54,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 15:47:54,362 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:47:54,381 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 15:47:54,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:47:54,383 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:47:54,384 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:47:54,384 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:47:54,384 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:47:54,384 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:47:54,384 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:47:54,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:47:54,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:47:54,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:47:54,385 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:47:54,385 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 15:47:54,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:47:54,386 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:47:54,387 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:47:54,387 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:47:54,387 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:47:54,387 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:47:54,387 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:47:54,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:47:54,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:47:54,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:47:54,388 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:47:54,389 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-13 15:47:54,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:47:54,390 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:47:54,393 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:47:54,393 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:47:54,393 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:47:54,393 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 15:47:54,393 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:47:54,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 15:47:54,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:47:54,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 15:47:54,394 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:47:54,424 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-13 15:47:54,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:47:54,426 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:47:54,427 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:47:54,427 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:47:54,427 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:47:54,427 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:47:54,427 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:47:54,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:47:54,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 15:47:54,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:47:54,428 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:47:54,428 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-13 15:47:54,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:47:54,430 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:47:54,431 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:47:54,431 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:47:54,431 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:47:54,431 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:47:54,431 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:47:54,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:47:54,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 15:47:54,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:47:54,432 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:47:54,433 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-13 15:47:54,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:47:54,434 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:47:54,435 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:47:54,435 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:47:54,435 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:47:54,435 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:47:54,436 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:47:54,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:47:54,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 15:47:54,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:47:54,436 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:47:54,437 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-13 15:47:54,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:47:54,438 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:47:54,439 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:47:54,439 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:47:54,439 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:47:54,440 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:47:54,440 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:47:54,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:47:54,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 15:47:54,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:47:54,440 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:47:54,441 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-13 15:47:54,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:47:54,442 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:47:54,443 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:47:54,443 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:47:54,443 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:47:54,443 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:47:54,443 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:47:54,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:47:54,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 15:47:54,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:47:54,444 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:47:54,445 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-13 15:47:54,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:47:54,446 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:47:54,446 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:47:54,447 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:47:54,447 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:47:54,447 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:47:54,447 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:47:54,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:47:54,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 15:47:54,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:47:54,448 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:47:54,452 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-10-13 15:47:54,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:47:54,455 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:47:54,458 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:47:54,458 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-13 15:47:54,459 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:47:54,459 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 15:47:54,459 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:47:54,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:47:54,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 22 [2020-10-13 15:47:54,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:47:54,459 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:47:54,463 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2020-10-13 15:47:54,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:47:54,464 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:47:54,465 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:47:54,465 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 15:47:54,465 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:47:54,465 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:47:54,465 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:47:54,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:47:54,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 15:47:54,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:47:54,466 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:47:54,515 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 15:47:54,515 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1789530883] [2020-10-13 15:47:54,516 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 15:47:54,516 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-13 15:47:54,516 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [418343942] [2020-10-13 15:47:54,516 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-13 15:47:54,516 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 15:47:54,517 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-13 15:47:54,517 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-10-13 15:47:54,517 INFO L87 Difference]: Start difference. First operand 372 states and 531 transitions. Second operand 10 states. [2020-10-13 15:47:55,679 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 146 [2020-10-13 15:47:55,850 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 149 [2020-10-13 15:47:56,017 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2020-10-13 15:47:56,263 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2020-10-13 15:48:00,706 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 15:48:00,707 INFO L93 Difference]: Finished difference Result 973 states and 1495 transitions. [2020-10-13 15:48:00,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-13 15:48:00,707 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 176 [2020-10-13 15:48:00,708 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 15:48:00,713 INFO L225 Difference]: With dead ends: 973 [2020-10-13 15:48:00,714 INFO L226 Difference]: Without dead ends: 628 [2020-10-13 15:48:00,716 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=91, Invalid=251, Unknown=0, NotChecked=0, Total=342 [2020-10-13 15:48:00,717 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 628 states. [2020-10-13 15:48:00,764 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 628 to 377. [2020-10-13 15:48:00,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 377 states. [2020-10-13 15:48:00,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 377 states to 377 states and 536 transitions. [2020-10-13 15:48:00,766 INFO L78 Accepts]: Start accepts. Automaton has 377 states and 536 transitions. Word has length 176 [2020-10-13 15:48:00,766 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 15:48:00,766 INFO L479 AbstractCegarLoop]: Abstraction has 377 states and 536 transitions. [2020-10-13 15:48:00,766 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-13 15:48:00,767 INFO L276 IsEmpty]: Start isEmpty. Operand 377 states and 536 transitions. [2020-10-13 15:48:00,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2020-10-13 15:48:00,769 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 15:48:00,769 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 15:48:00,769 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-13 15:48:00,769 INFO L427 AbstractCegarLoop]: === Iteration 6 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 15:48:00,770 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 15:48:00,770 INFO L82 PathProgramCache]: Analyzing trace with hash 426890900, now seen corresponding path program 1 times [2020-10-13 15:48:00,770 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 15:48:00,770 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1099967596] [2020-10-13 15:48:00,770 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 15:48:00,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:48:00,806 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:00,822 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:00,887 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:00,966 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:00,999 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:01,019 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:01,032 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:01,084 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:01,122 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:01,142 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:01,159 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:01,177 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:01,193 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:01,211 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:01,228 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:01,244 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:01,261 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:01,278 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:01,295 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:01,336 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:01,350 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:03,600 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:03,670 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:05,642 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:05,805 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:48:05,805 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 222 [2020-10-13 15:48:05,805 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 24 [2020-10-13 15:48:05,805 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5010 [2020-10-13 15:48:05,805 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:48:05,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:48:05,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-13 15:48:05,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-13 15:48:05,806 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:48:05,948 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 142 [2020-10-13 15:48:05,949 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 15:48:05,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:48:05,955 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:05,958 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:48:05,958 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:48:05,958 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:48:05,958 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 15:48:05,959 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:48:05,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:48:05,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:48:05,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:48:05,959 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:48:05,980 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 15:48:05,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:48:05,983 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:05,985 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:48:05,985 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:48:05,985 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:48:05,986 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 15:48:05,986 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:48:05,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:48:05,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:48:05,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-13 15:48:05,986 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:48:05,987 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 15:48:05,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:48:05,988 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:05,989 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:48:05,989 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 15:48:05,989 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:48:05,989 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:48:05,989 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:48:05,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:48:05,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:48:05,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-13 15:48:05,990 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:48:06,011 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-13 15:48:06,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:48:06,015 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:06,018 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:48:06,019 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 15:48:06,019 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:48:06,019 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 15:48:06,019 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:48:06,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:48:06,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 15:48:06,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 15:48:06,019 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:48:06,072 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-13 15:48:06,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:48:06,077 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:06,083 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:48:06,083 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-13 15:48:06,083 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:48:06,083 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 15:48:06,083 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:48:06,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:48:06,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 22 [2020-10-13 15:48:06,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:48:06,084 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:48:06,090 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-13 15:48:06,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:48:06,100 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:06,112 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:48:06,112 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 107 [2020-10-13 15:48:06,112 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:48:06,112 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-13 15:48:06,112 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:48:06,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:48:06,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 104 [2020-10-13 15:48:06,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:48:06,113 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:48:06,119 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 15:48:06,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:48:06,120 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:06,121 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:48:06,121 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:48:06,121 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:48:06,121 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:48:06,121 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:48:06,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:48:06,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:48:06,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:48:06,122 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:48:06,123 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 15:48:06,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:48:06,124 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:06,125 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:48:06,126 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:48:06,126 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:48:06,126 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:48:06,126 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:48:06,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:48:06,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:48:06,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:48:06,127 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:48:06,128 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-13 15:48:06,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:48:06,129 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:06,130 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:48:06,130 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:48:06,131 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:48:06,131 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:48:06,131 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:48:06,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:48:06,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:48:06,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:48:06,132 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:48:06,133 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-13 15:48:06,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:48:06,134 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:06,134 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:48:06,135 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:48:06,135 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:48:06,135 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:48:06,135 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:48:06,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:48:06,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:48:06,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:48:06,136 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:48:06,137 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-13 15:48:06,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:48:06,138 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:06,139 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:48:06,139 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:48:06,139 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:48:06,140 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:48:06,140 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:48:06,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:48:06,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:48:06,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:48:06,140 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:48:06,141 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-13 15:48:06,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:48:06,143 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:06,143 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:48:06,144 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:48:06,144 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:48:06,144 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:48:06,144 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:48:06,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:48:06,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:48:06,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:48:06,145 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:48:06,146 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-13 15:48:06,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:48:06,147 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:06,148 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:48:06,148 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:48:06,148 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:48:06,148 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:48:06,149 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:48:06,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:48:06,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:48:06,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:48:06,149 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:48:06,150 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-13 15:48:06,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:48:06,152 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:06,153 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:48:06,153 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:48:06,153 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:48:06,153 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:48:06,153 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:48:06,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:48:06,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:48:06,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:48:06,154 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:48:06,155 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-13 15:48:06,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:48:06,156 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:06,157 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:48:06,157 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:48:06,158 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:48:06,158 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:48:06,158 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:48:06,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:48:06,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:48:06,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:48:06,159 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:48:06,163 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-10-13 15:48:06,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:48:06,168 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:06,174 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:48:06,174 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-13 15:48:06,174 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:48:06,174 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 15:48:06,175 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:48:06,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:48:06,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 22 [2020-10-13 15:48:06,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:48:06,175 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:48:06,178 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2020-10-13 15:48:06,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:48:06,180 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:06,181 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:48:06,181 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 15:48:06,182 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:48:06,182 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:48:06,182 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:48:06,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:48:06,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 15:48:06,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:48:06,183 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:48:06,219 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 15:48:06,220 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1099967596] [2020-10-13 15:48:06,220 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 15:48:06,220 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-13 15:48:06,220 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1519141231] [2020-10-13 15:48:06,221 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-13 15:48:06,221 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 15:48:06,221 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-13 15:48:06,222 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-10-13 15:48:06,222 INFO L87 Difference]: Start difference. First operand 377 states and 536 transitions. Second operand 8 states. [2020-10-13 15:48:06,383 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2020-10-13 15:48:06,623 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 144 [2020-10-13 15:48:10,683 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 15:48:10,683 INFO L93 Difference]: Finished difference Result 959 states and 1429 transitions. [2020-10-13 15:48:10,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-13 15:48:10,684 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 176 [2020-10-13 15:48:10,685 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 15:48:10,689 INFO L225 Difference]: With dead ends: 959 [2020-10-13 15:48:10,689 INFO L226 Difference]: Without dead ends: 602 [2020-10-13 15:48:10,691 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=55, Invalid=127, Unknown=0, NotChecked=0, Total=182 [2020-10-13 15:48:10,692 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 602 states. [2020-10-13 15:48:10,742 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 602 to 377. [2020-10-13 15:48:10,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 377 states. [2020-10-13 15:48:10,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 377 states to 377 states and 535 transitions. [2020-10-13 15:48:10,745 INFO L78 Accepts]: Start accepts. Automaton has 377 states and 535 transitions. Word has length 176 [2020-10-13 15:48:10,745 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 15:48:10,745 INFO L479 AbstractCegarLoop]: Abstraction has 377 states and 535 transitions. [2020-10-13 15:48:10,745 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-13 15:48:10,745 INFO L276 IsEmpty]: Start isEmpty. Operand 377 states and 535 transitions. [2020-10-13 15:48:10,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2020-10-13 15:48:10,748 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 15:48:10,748 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 15:48:10,748 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-13 15:48:10,749 INFO L427 AbstractCegarLoop]: === Iteration 7 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 15:48:10,749 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 15:48:10,749 INFO L82 PathProgramCache]: Analyzing trace with hash -2098604782, now seen corresponding path program 1 times [2020-10-13 15:48:10,749 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 15:48:10,749 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1170942853] [2020-10-13 15:48:10,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 15:48:10,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:48:10,784 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:10,834 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:10,868 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:10,967 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:10,981 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:11,000 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:11,292 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:11,343 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:11,373 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:11,406 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:11,435 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:11,465 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:11,495 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:11,525 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:11,554 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:11,583 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:11,616 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:11,644 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:11,669 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:11,732 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:11,784 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:15,781 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:48:15,782 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 222 [2020-10-13 15:48:15,782 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 21 [2020-10-13 15:48:15,782 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5009 [2020-10-13 15:48:15,782 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:48:15,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-13 15:48:15,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 15:48:15,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 40 [2020-10-13 15:48:15,783 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:48:15,955 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 142 [2020-10-13 15:48:15,955 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 15:48:15,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:48:15,964 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:15,970 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:48:15,971 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:48:15,971 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:48:15,971 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-13 15:48:15,971 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:48:15,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:48:15,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:48:15,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-13 15:48:15,971 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:48:15,998 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 15:48:16,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:48:16,001 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:16,003 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:48:16,003 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:48:16,003 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:48:16,003 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 15:48:16,003 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:48:16,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:48:16,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:48:16,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 15:48:16,004 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:48:16,005 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 15:48:16,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:48:16,006 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:16,007 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:48:16,007 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 15:48:16,007 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:48:16,007 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:48:16,008 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:48:16,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:48:16,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:48:16,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-13 15:48:16,008 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:48:16,029 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-13 15:48:16,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:48:16,033 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:16,036 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:48:16,036 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 15:48:16,036 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:48:16,036 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 15:48:16,036 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:48:16,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:48:16,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:48:16,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-13 15:48:16,037 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:48:16,081 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-13 15:48:16,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:48:16,086 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:16,097 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:48:16,097 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-13 15:48:16,097 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:48:16,097 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-13 15:48:16,097 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:48:16,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 15:48:16,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-13 15:48:16,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-13 15:48:16,098 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:48:16,108 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-13 15:48:16,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:48:16,118 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:16,125 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:48:16,126 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 107 [2020-10-13 15:48:16,126 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:48:16,126 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-13 15:48:16,126 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:48:16,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:48:16,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 104 [2020-10-13 15:48:16,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:48:16,126 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:48:16,130 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 15:48:16,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:48:16,131 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:16,131 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:48:16,132 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:48:16,132 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:48:16,132 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:48:16,132 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:48:16,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:48:16,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:48:16,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:48:16,132 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:48:16,133 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 15:48:16,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:48:16,134 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:16,134 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:48:16,134 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:48:16,134 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:48:16,135 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:48:16,135 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:48:16,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:48:16,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:48:16,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:48:16,135 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:48:16,136 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-13 15:48:16,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:48:16,137 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:16,137 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:48:16,137 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:48:16,137 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:48:16,138 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:48:16,138 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:48:16,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:48:16,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:48:16,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:48:16,138 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:48:16,139 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-13 15:48:16,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:48:16,140 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:16,140 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:48:16,141 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:48:16,141 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:48:16,141 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:48:16,141 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:48:16,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:48:16,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:48:16,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:48:16,142 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:48:16,143 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-13 15:48:16,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:48:16,144 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:16,145 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:48:16,145 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:48:16,145 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:48:16,145 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:48:16,145 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:48:16,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:48:16,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:48:16,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:48:16,146 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:48:16,147 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-13 15:48:16,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:48:16,148 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:16,149 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:48:16,150 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:48:16,150 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:48:16,150 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:48:16,150 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:48:16,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:48:16,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:48:16,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:48:16,151 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:48:16,152 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-13 15:48:16,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:48:16,153 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:16,154 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:48:16,154 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:48:16,154 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:48:16,154 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:48:16,154 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:48:16,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:48:16,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:48:16,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:48:16,155 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:48:16,156 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-13 15:48:16,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:48:16,157 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:16,158 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:48:16,158 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:48:16,159 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:48:16,159 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:48:16,159 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:48:16,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:48:16,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:48:16,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:48:16,160 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:48:16,161 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-13 15:48:16,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:48:16,162 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:16,163 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:48:16,163 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:48:16,164 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:48:16,164 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:48:16,164 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:48:16,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:48:16,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:48:16,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:48:16,165 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:48:16,169 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-10-13 15:48:16,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:48:16,174 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:16,177 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:48:16,178 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-13 15:48:16,178 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:48:16,178 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 15:48:16,178 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:48:16,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:48:16,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 22 [2020-10-13 15:48:16,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:48:16,178 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:48:16,181 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2020-10-13 15:48:16,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:48:16,183 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:16,184 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:48:16,184 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 15:48:16,184 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:48:16,185 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:48:16,185 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:48:16,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:48:16,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 15:48:16,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:48:16,185 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:48:16,226 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 15:48:16,226 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1170942853] [2020-10-13 15:48:16,227 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 15:48:16,227 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-13 15:48:16,227 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1602809101] [2020-10-13 15:48:16,227 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-13 15:48:16,228 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 15:48:16,228 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-13 15:48:16,228 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-10-13 15:48:16,228 INFO L87 Difference]: Start difference. First operand 377 states and 535 transitions. Second operand 8 states. [2020-10-13 15:48:16,395 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 144 [2020-10-13 15:48:24,684 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 15:48:24,684 INFO L93 Difference]: Finished difference Result 1500 states and 2251 transitions. [2020-10-13 15:48:24,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-13 15:48:24,685 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 176 [2020-10-13 15:48:24,685 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 15:48:24,692 INFO L225 Difference]: With dead ends: 1500 [2020-10-13 15:48:24,692 INFO L226 Difference]: Without dead ends: 1149 [2020-10-13 15:48:24,695 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=68, Invalid=172, Unknown=0, NotChecked=0, Total=240 [2020-10-13 15:48:24,696 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1149 states. [2020-10-13 15:48:24,808 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1149 to 734. [2020-10-13 15:48:24,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 734 states. [2020-10-13 15:48:24,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 734 states to 734 states and 1054 transitions. [2020-10-13 15:48:24,811 INFO L78 Accepts]: Start accepts. Automaton has 734 states and 1054 transitions. Word has length 176 [2020-10-13 15:48:24,811 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 15:48:24,811 INFO L479 AbstractCegarLoop]: Abstraction has 734 states and 1054 transitions. [2020-10-13 15:48:24,812 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-13 15:48:24,812 INFO L276 IsEmpty]: Start isEmpty. Operand 734 states and 1054 transitions. [2020-10-13 15:48:24,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2020-10-13 15:48:24,813 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 15:48:24,814 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 15:48:24,814 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-13 15:48:24,814 INFO L427 AbstractCegarLoop]: === Iteration 8 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 15:48:24,814 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 15:48:24,814 INFO L82 PathProgramCache]: Analyzing trace with hash -2115105778, now seen corresponding path program 1 times [2020-10-13 15:48:24,815 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 15:48:24,815 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1693925206] [2020-10-13 15:48:24,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 15:48:24,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:48:24,851 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:24,909 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:24,950 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:25,049 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:25,063 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:25,082 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:25,339 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:25,406 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:25,448 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:25,479 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:25,510 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:25,539 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:25,567 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:25,592 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:25,624 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:25,651 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:25,674 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:25,699 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:25,721 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:25,747 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:29,107 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:29,844 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:48:29,845 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 222 [2020-10-13 15:48:29,845 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 21 [2020-10-13 15:48:29,845 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5006 [2020-10-13 15:48:29,845 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:48:29,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-13 15:48:29,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 15:48:29,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 41 [2020-10-13 15:48:29,846 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:48:29,988 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 142 [2020-10-13 15:48:29,989 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 15:48:29,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:48:29,997 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:30,005 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:48:30,005 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:48:30,005 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:48:30,005 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-13 15:48:30,006 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:48:30,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:48:30,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:48:30,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-13 15:48:30,006 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:48:30,031 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 15:48:30,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:48:30,034 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:30,036 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:48:30,036 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:48:30,037 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:48:30,037 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 15:48:30,037 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:48:30,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:48:30,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:48:30,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 15:48:30,037 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:48:30,038 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 15:48:30,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:48:30,039 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:30,040 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:48:30,040 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 15:48:30,040 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:48:30,040 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:48:30,040 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:48:30,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:48:30,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:48:30,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-13 15:48:30,041 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:48:30,060 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-13 15:48:30,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:48:30,065 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:30,091 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:48:30,091 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 15:48:30,091 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:48:30,091 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-13 15:48:30,091 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:48:30,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:48:30,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:48:30,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-13 15:48:30,092 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:48:30,133 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-13 15:48:30,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:48:30,138 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:30,150 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:48:30,150 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-13 15:48:30,150 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:48:30,150 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-13 15:48:30,151 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:48:30,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 15:48:30,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-13 15:48:30,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-13 15:48:30,151 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:48:30,175 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-13 15:48:30,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:48:30,182 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:30,189 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:48:30,189 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 107 [2020-10-13 15:48:30,189 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:48:30,189 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-13 15:48:30,189 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:48:30,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:48:30,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 104 [2020-10-13 15:48:30,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:48:30,190 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:48:30,192 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 15:48:30,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:48:30,193 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:30,194 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:48:30,194 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:48:30,194 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:48:30,195 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:48:30,195 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:48:30,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:48:30,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:48:30,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:48:30,196 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:48:30,196 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 15:48:30,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:48:30,197 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:30,198 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:48:30,198 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:48:30,198 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:48:30,199 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:48:30,199 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:48:30,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:48:30,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:48:30,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:48:30,199 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:48:30,200 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-13 15:48:30,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:48:30,202 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:30,202 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:48:30,202 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:48:30,202 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:48:30,202 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:48:30,203 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:48:30,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:48:30,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:48:30,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:48:30,203 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:48:30,203 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-13 15:48:30,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:48:30,204 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:30,205 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:48:30,205 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:48:30,205 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:48:30,205 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:48:30,205 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:48:30,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:48:30,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:48:30,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:48:30,206 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:48:30,206 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-13 15:48:30,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:48:30,207 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:30,208 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:48:30,208 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:48:30,208 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:48:30,208 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:48:30,208 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:48:30,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:48:30,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:48:30,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:48:30,209 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:48:30,210 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-13 15:48:30,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:48:30,210 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:30,211 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:48:30,211 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:48:30,211 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:48:30,212 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:48:30,212 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:48:30,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:48:30,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:48:30,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:48:30,213 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:48:30,213 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-13 15:48:30,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:48:30,214 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:30,215 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:48:30,215 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:48:30,215 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:48:30,215 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:48:30,215 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:48:30,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:48:30,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:48:30,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:48:30,216 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:48:30,217 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-13 15:48:30,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:48:30,217 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:30,218 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:48:30,218 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:48:30,219 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:48:30,219 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:48:30,219 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:48:30,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:48:30,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:48:30,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:48:30,220 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:48:30,220 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-13 15:48:30,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:48:30,221 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:30,222 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:48:30,222 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:48:30,222 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:48:30,223 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:48:30,223 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:48:30,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:48:30,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:48:30,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:48:30,223 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:48:30,226 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-10-13 15:48:30,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:48:30,229 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:30,231 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:48:30,231 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-13 15:48:30,232 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:48:30,232 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 15:48:30,232 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:48:30,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:48:30,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 22 [2020-10-13 15:48:30,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:48:30,232 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:48:30,234 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2020-10-13 15:48:30,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:48:30,236 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:30,236 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:48:30,236 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 15:48:30,236 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:48:30,237 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:48:30,237 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:48:30,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:48:30,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 15:48:30,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:48:30,237 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:48:30,260 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 15:48:30,260 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1693925206] [2020-10-13 15:48:30,260 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 15:48:30,261 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-13 15:48:30,261 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [331875304] [2020-10-13 15:48:30,261 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-13 15:48:30,262 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 15:48:30,262 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-13 15:48:30,262 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2020-10-13 15:48:30,262 INFO L87 Difference]: Start difference. First operand 734 states and 1054 transitions. Second operand 9 states. [2020-10-13 15:48:30,415 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 144 [2020-10-13 15:48:34,598 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 15:48:34,598 INFO L93 Difference]: Finished difference Result 1830 states and 2727 transitions. [2020-10-13 15:48:34,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-13 15:48:34,599 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 176 [2020-10-13 15:48:34,599 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 15:48:34,605 INFO L225 Difference]: With dead ends: 1830 [2020-10-13 15:48:34,605 INFO L226 Difference]: Without dead ends: 1122 [2020-10-13 15:48:34,608 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=57, Invalid=125, Unknown=0, NotChecked=0, Total=182 [2020-10-13 15:48:34,609 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1122 states. [2020-10-13 15:48:34,708 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1122 to 734. [2020-10-13 15:48:34,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 734 states. [2020-10-13 15:48:34,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 734 states to 734 states and 1047 transitions. [2020-10-13 15:48:34,712 INFO L78 Accepts]: Start accepts. Automaton has 734 states and 1047 transitions. Word has length 176 [2020-10-13 15:48:34,712 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 15:48:34,712 INFO L479 AbstractCegarLoop]: Abstraction has 734 states and 1047 transitions. [2020-10-13 15:48:34,712 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-13 15:48:34,712 INFO L276 IsEmpty]: Start isEmpty. Operand 734 states and 1047 transitions. [2020-10-13 15:48:34,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2020-10-13 15:48:34,715 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 15:48:34,716 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 15:48:34,716 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-13 15:48:34,716 INFO L427 AbstractCegarLoop]: === Iteration 9 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 15:48:34,716 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 15:48:34,717 INFO L82 PathProgramCache]: Analyzing trace with hash 239666578, now seen corresponding path program 1 times [2020-10-13 15:48:34,717 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 15:48:34,717 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [215758077] [2020-10-13 15:48:34,717 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 15:48:34,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:48:34,759 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:34,790 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:34,823 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:34,914 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:34,930 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:34,948 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:35,186 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:35,246 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:35,285 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:35,313 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:35,342 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:35,370 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:35,396 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:35,420 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:35,450 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:35,475 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:35,496 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:35,517 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:35,539 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:38,461 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:39,502 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:39,746 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:48:39,746 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 222 [2020-10-13 15:48:39,746 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 21 [2020-10-13 15:48:39,746 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5005 [2020-10-13 15:48:39,746 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:48:39,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-13 15:48:39,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 15:48:39,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-13 15:48:39,747 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:48:39,897 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 142 [2020-10-13 15:48:39,897 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 15:48:39,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:48:39,903 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:39,912 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:48:39,912 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:48:39,913 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:48:39,913 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-13 15:48:39,913 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:48:39,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:48:39,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:48:39,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-13 15:48:39,913 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:48:39,943 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 15:48:39,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:48:39,946 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:39,947 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:48:39,947 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:48:39,948 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:48:39,948 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 15:48:39,948 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:48:39,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:48:39,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:48:39,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 15:48:39,948 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:48:39,949 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 15:48:39,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:48:39,950 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:39,951 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:48:39,951 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 15:48:39,951 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:48:39,951 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:48:39,951 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:48:39,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:48:39,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:48:39,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-13 15:48:39,952 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:48:39,974 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-13 15:48:39,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:48:39,978 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:39,981 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:48:39,981 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 15:48:39,981 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:48:39,981 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 15:48:39,981 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:48:39,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:48:39,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:48:39,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-13 15:48:39,982 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:48:40,032 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-13 15:48:40,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:48:40,037 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:40,047 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:48:40,047 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-13 15:48:40,047 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:48:40,047 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-13 15:48:40,047 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:48:40,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 15:48:40,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-13 15:48:40,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-13 15:48:40,048 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:48:40,071 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-13 15:48:40,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:48:40,080 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:40,087 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:48:40,088 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 107 [2020-10-13 15:48:40,088 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:48:40,088 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-13 15:48:40,088 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:48:40,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:48:40,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 104 [2020-10-13 15:48:40,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:48:40,088 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:48:40,092 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 15:48:40,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:48:40,093 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:40,093 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:48:40,094 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:48:40,094 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:48:40,094 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:48:40,094 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:48:40,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:48:40,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:48:40,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:48:40,094 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:48:40,095 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 15:48:40,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:48:40,096 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:40,096 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:48:40,096 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:48:40,096 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:48:40,097 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:48:40,097 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:48:40,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:48:40,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:48:40,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:48:40,097 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:48:40,098 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-13 15:48:40,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:48:40,099 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:40,100 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:48:40,100 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:48:40,100 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:48:40,100 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:48:40,101 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:48:40,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:48:40,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:48:40,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:48:40,101 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:48:40,102 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-13 15:48:40,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:48:40,103 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:40,104 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:48:40,104 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:48:40,104 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:48:40,104 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:48:40,104 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:48:40,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:48:40,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:48:40,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:48:40,105 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:48:40,106 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-13 15:48:40,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:48:40,107 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:40,108 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:48:40,108 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:48:40,108 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:48:40,108 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:48:40,108 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:48:40,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:48:40,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:48:40,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:48:40,108 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:48:40,109 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-13 15:48:40,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:48:40,110 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:40,110 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:48:40,110 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:48:40,110 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:48:40,111 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:48:40,111 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:48:40,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:48:40,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:48:40,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:48:40,111 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:48:40,112 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-13 15:48:40,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:48:40,113 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:40,114 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:48:40,114 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:48:40,114 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:48:40,114 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:48:40,114 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:48:40,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:48:40,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:48:40,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:48:40,115 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:48:40,115 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-13 15:48:40,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:48:40,116 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:40,117 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:48:40,117 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:48:40,117 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:48:40,117 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:48:40,117 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:48:40,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:48:40,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:48:40,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:48:40,117 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:48:40,118 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-13 15:48:40,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:48:40,119 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:40,120 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:48:40,120 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:48:40,120 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:48:40,120 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:48:40,120 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:48:40,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:48:40,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:48:40,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:48:40,121 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:48:40,125 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-10-13 15:48:40,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:48:40,129 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:40,133 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:48:40,133 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-13 15:48:40,133 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:48:40,133 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 15:48:40,134 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:48:40,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:48:40,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 22 [2020-10-13 15:48:40,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:48:40,134 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:48:40,137 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2020-10-13 15:48:40,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:48:40,139 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:40,140 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:48:40,140 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 15:48:40,140 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:48:40,141 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:48:40,141 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:48:40,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:48:40,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 15:48:40,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:48:40,142 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:48:40,203 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 15:48:40,203 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [215758077] [2020-10-13 15:48:40,204 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 15:48:40,204 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-13 15:48:40,204 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [553895294] [2020-10-13 15:48:40,204 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-13 15:48:40,205 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 15:48:40,205 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-13 15:48:40,205 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2020-10-13 15:48:40,205 INFO L87 Difference]: Start difference. First operand 734 states and 1047 transitions. Second operand 10 states. [2020-10-13 15:48:40,347 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 144 [2020-10-13 15:48:44,527 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 15:48:44,527 INFO L93 Difference]: Finished difference Result 1827 states and 2706 transitions. [2020-10-13 15:48:44,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-13 15:48:44,527 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 176 [2020-10-13 15:48:44,528 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 15:48:44,533 INFO L225 Difference]: With dead ends: 1827 [2020-10-13 15:48:44,534 INFO L226 Difference]: Without dead ends: 1119 [2020-10-13 15:48:44,536 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=65, Invalid=145, Unknown=0, NotChecked=0, Total=210 [2020-10-13 15:48:44,538 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1119 states. [2020-10-13 15:48:44,656 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1119 to 734. [2020-10-13 15:48:44,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 734 states. [2020-10-13 15:48:44,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 734 states to 734 states and 1040 transitions. [2020-10-13 15:48:44,659 INFO L78 Accepts]: Start accepts. Automaton has 734 states and 1040 transitions. Word has length 176 [2020-10-13 15:48:44,659 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 15:48:44,660 INFO L479 AbstractCegarLoop]: Abstraction has 734 states and 1040 transitions. [2020-10-13 15:48:44,660 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-13 15:48:44,660 INFO L276 IsEmpty]: Start isEmpty. Operand 734 states and 1040 transitions. [2020-10-13 15:48:44,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2020-10-13 15:48:44,661 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 15:48:44,661 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 15:48:44,662 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-13 15:48:44,662 INFO L427 AbstractCegarLoop]: === Iteration 10 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 15:48:44,662 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 15:48:44,662 INFO L82 PathProgramCache]: Analyzing trace with hash 1839647630, now seen corresponding path program 1 times [2020-10-13 15:48:44,662 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 15:48:44,663 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1144683371] [2020-10-13 15:48:44,663 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 15:48:44,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:48:44,695 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:44,745 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:44,781 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:44,873 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:44,886 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:44,904 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:45,144 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:45,181 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:45,214 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:45,255 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:45,281 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:45,305 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:45,328 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:45,356 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:45,386 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:45,413 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:45,440 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:45,469 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:48,360 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:49,687 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:48:49,687 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 222 [2020-10-13 15:48:49,687 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 19 [2020-10-13 15:48:49,687 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-13 15:48:49,687 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:48:49,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-13 15:48:49,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 15:48:49,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 44 [2020-10-13 15:48:49,688 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:48:49,838 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 142 [2020-10-13 15:48:49,839 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 15:48:49,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:48:49,846 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:49,853 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:48:49,853 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:48:49,853 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:48:49,853 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-13 15:48:49,853 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:48:49,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:48:49,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:48:49,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-13 15:48:49,854 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:48:49,882 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 15:48:49,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:48:49,885 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:49,887 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:48:49,887 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:48:49,887 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:48:49,887 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 15:48:49,887 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:48:49,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:48:49,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:48:49,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 15:48:49,888 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:48:49,889 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 15:48:49,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:48:49,890 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:49,891 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:48:49,891 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 15:48:49,891 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:48:49,891 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:48:49,892 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:48:49,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:48:49,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:48:49,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-13 15:48:49,892 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:48:49,916 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-13 15:48:49,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:48:49,920 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:49,924 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:48:49,924 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 15:48:49,924 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:48:49,924 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 15:48:49,925 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:48:49,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:48:49,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:48:49,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-13 15:48:49,925 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:48:49,970 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-13 15:48:49,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:48:49,978 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:49,988 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:48:49,988 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-13 15:48:49,988 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:48:49,988 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-13 15:48:49,989 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:48:49,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 15:48:49,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-13 15:48:49,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-13 15:48:49,989 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:48:50,011 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-13 15:48:50,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:48:50,020 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:50,027 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:48:50,027 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 107 [2020-10-13 15:48:50,027 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:48:50,027 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-13 15:48:50,027 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:48:50,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:48:50,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 104 [2020-10-13 15:48:50,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:48:50,028 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:48:50,031 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 15:48:50,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:48:50,032 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:50,032 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:48:50,033 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:48:50,033 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:48:50,033 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:48:50,033 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:48:50,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:48:50,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:48:50,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:48:50,033 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:48:50,034 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 15:48:50,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:48:50,034 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:50,035 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:48:50,035 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:48:50,035 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:48:50,035 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:48:50,036 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:48:50,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:48:50,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:48:50,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:48:50,036 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:48:50,037 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-13 15:48:50,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:48:50,038 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:50,039 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:48:50,039 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:48:50,039 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:48:50,039 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:48:50,039 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:48:50,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:48:50,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:48:50,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:48:50,040 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:48:50,040 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-13 15:48:50,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:48:50,041 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:50,042 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:48:50,042 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:48:50,042 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:48:50,042 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:48:50,042 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:48:50,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:48:50,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:48:50,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:48:50,043 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:48:50,043 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-13 15:48:50,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:48:50,044 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:50,045 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:48:50,045 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:48:50,045 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:48:50,045 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:48:50,045 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:48:50,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:48:50,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:48:50,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:48:50,046 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:48:50,046 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-13 15:48:50,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:48:50,047 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:50,047 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:48:50,047 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:48:50,047 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:48:50,048 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:48:50,048 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:48:50,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:48:50,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:48:50,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:48:50,048 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:48:50,049 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-13 15:48:50,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:48:50,049 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:50,050 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:48:50,050 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:48:50,050 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:48:50,050 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:48:50,050 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:48:50,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:48:50,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:48:50,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:48:50,051 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:48:50,051 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-13 15:48:50,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:48:50,052 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:50,052 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:48:50,053 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:48:50,053 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:48:50,053 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:48:50,053 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:48:50,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:48:50,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:48:50,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:48:50,053 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:48:50,054 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-13 15:48:50,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:48:50,054 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:50,055 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:48:50,055 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:48:50,055 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:48:50,055 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:48:50,056 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:48:50,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:48:50,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:48:50,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:48:50,056 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:48:50,059 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-10-13 15:48:50,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:48:50,062 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:50,064 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:48:50,064 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-13 15:48:50,065 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:48:50,065 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 15:48:50,065 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:48:50,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:48:50,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 22 [2020-10-13 15:48:50,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:48:50,065 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:48:50,067 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2020-10-13 15:48:50,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:48:50,068 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:50,069 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:48:50,069 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 15:48:50,069 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:48:50,069 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:48:50,069 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:48:50,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:48:50,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 15:48:50,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:48:50,070 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:48:50,092 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 15:48:50,093 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1144683371] [2020-10-13 15:48:50,093 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 15:48:50,093 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-13 15:48:50,093 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [600928157] [2020-10-13 15:48:50,094 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-13 15:48:50,094 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 15:48:50,094 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-13 15:48:50,094 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2020-10-13 15:48:50,095 INFO L87 Difference]: Start difference. First operand 734 states and 1040 transitions. Second operand 10 states. [2020-10-13 15:48:50,257 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 144 [2020-10-13 15:48:54,676 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 15:48:54,677 INFO L93 Difference]: Finished difference Result 1827 states and 2691 transitions. [2020-10-13 15:48:54,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-13 15:48:54,677 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 176 [2020-10-13 15:48:54,677 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 15:48:54,682 INFO L225 Difference]: With dead ends: 1827 [2020-10-13 15:48:54,682 INFO L226 Difference]: Without dead ends: 1119 [2020-10-13 15:48:54,685 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=65, Invalid=145, Unknown=0, NotChecked=0, Total=210 [2020-10-13 15:48:54,686 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1119 states. [2020-10-13 15:48:54,795 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1119 to 734. [2020-10-13 15:48:54,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 734 states. [2020-10-13 15:48:54,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 734 states to 734 states and 1033 transitions. [2020-10-13 15:48:54,798 INFO L78 Accepts]: Start accepts. Automaton has 734 states and 1033 transitions. Word has length 176 [2020-10-13 15:48:54,799 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 15:48:54,799 INFO L479 AbstractCegarLoop]: Abstraction has 734 states and 1033 transitions. [2020-10-13 15:48:54,799 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-13 15:48:54,799 INFO L276 IsEmpty]: Start isEmpty. Operand 734 states and 1033 transitions. [2020-10-13 15:48:54,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2020-10-13 15:48:54,801 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 15:48:54,801 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 15:48:54,801 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-13 15:48:54,801 INFO L427 AbstractCegarLoop]: === Iteration 11 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 15:48:54,802 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 15:48:54,802 INFO L82 PathProgramCache]: Analyzing trace with hash 1148575882, now seen corresponding path program 1 times [2020-10-13 15:48:54,802 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 15:48:54,802 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [171490859] [2020-10-13 15:48:54,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 15:48:54,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:48:54,841 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:54,917 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:54,991 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:55,192 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:55,214 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:55,245 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:55,604 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:55,665 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:55,703 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:55,731 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:55,760 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:55,788 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:55,815 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:55,839 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:55,871 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:55,898 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:55,920 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:57,779 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:58,547 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:58,682 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:59,834 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:48:59,834 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 222 [2020-10-13 15:48:59,834 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 20 [2020-10-13 15:48:59,834 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5010 [2020-10-13 15:48:59,835 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:48:59,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-13 15:48:59,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 15:48:59,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 45 [2020-10-13 15:48:59,835 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:48:59,985 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 142 [2020-10-13 15:48:59,985 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 15:48:59,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:48:59,992 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:00,000 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:00,000 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:49:00,000 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:49:00,000 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-13 15:49:00,000 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:00,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:49:00,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:49:00,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-13 15:49:00,001 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:49:00,022 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 15:49:00,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:00,025 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:00,027 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:00,027 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:49:00,027 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:49:00,027 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 15:49:00,027 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:00,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:49:00,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:49:00,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 15:49:00,028 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:49:00,029 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 15:49:00,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:00,030 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:00,030 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:00,030 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 15:49:00,031 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:49:00,031 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:49:00,031 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:00,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:49:00,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:49:00,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-13 15:49:00,032 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:49:00,053 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-13 15:49:00,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:00,056 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:00,060 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:00,060 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 15:49:00,060 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:49:00,060 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 15:49:00,060 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:00,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:49:00,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:49:00,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-13 15:49:00,061 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:49:00,105 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-13 15:49:00,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:00,112 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:00,123 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:00,123 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-13 15:49:00,123 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:49:00,123 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-13 15:49:00,124 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:00,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 15:49:00,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-13 15:49:00,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-13 15:49:00,124 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:49:00,149 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-13 15:49:00,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:00,159 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:00,169 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:00,169 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 107 [2020-10-13 15:49:00,169 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:49:00,169 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-13 15:49:00,170 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:00,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:49:00,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 104 [2020-10-13 15:49:00,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:49:00,170 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:49:00,175 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 15:49:00,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:00,176 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:00,177 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:00,177 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:49:00,178 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:49:00,178 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:49:00,178 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:00,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:49:00,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:49:00,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:49:00,179 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:49:00,179 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 15:49:00,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:00,180 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:00,181 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:00,181 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:49:00,182 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:49:00,182 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:49:00,182 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:00,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:49:00,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:49:00,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:49:00,183 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:49:00,183 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-13 15:49:00,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:00,184 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:00,185 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:00,185 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:49:00,185 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:49:00,186 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:49:00,186 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:00,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:49:00,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:49:00,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:49:00,187 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:49:00,187 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-13 15:49:00,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:00,188 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:00,189 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:00,189 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:49:00,189 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:49:00,190 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:49:00,190 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:00,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:49:00,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:49:00,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:49:00,191 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:49:00,191 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-13 15:49:00,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:00,192 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:00,193 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:00,194 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:49:00,194 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:49:00,194 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:49:00,194 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:00,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:49:00,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:49:00,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:49:00,195 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:49:00,196 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-13 15:49:00,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:00,197 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:00,198 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:00,198 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:49:00,198 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:49:00,198 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:49:00,199 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:00,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:49:00,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:49:00,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:49:00,199 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:49:00,200 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-13 15:49:00,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:00,201 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:00,202 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:00,202 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:49:00,202 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:49:00,203 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:49:00,203 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:00,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:49:00,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:49:00,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:49:00,204 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 15:49:00,205 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-13 15:49:00,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:00,206 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:00,207 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:00,207 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:49:00,207 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:49:00,208 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:49:00,208 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:00,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:49:00,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:49:00,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:49:00,209 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:49:00,210 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-13 15:49:00,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:00,211 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:00,211 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:00,212 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:49:00,212 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:49:00,212 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:49:00,212 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:00,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:49:00,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:49:00,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:49:00,213 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:49:00,218 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-10-13 15:49:00,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:00,223 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:00,227 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:00,228 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-13 15:49:00,228 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:49:00,228 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 15:49:00,228 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:00,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:49:00,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 22 [2020-10-13 15:49:00,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:49:00,229 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:49:00,232 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2020-10-13 15:49:00,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:00,233 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:00,234 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:00,235 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 15:49:00,235 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:49:00,235 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:49:00,235 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:00,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:49:00,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 15:49:00,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:49:00,236 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:49:00,272 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 15:49:00,272 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [171490859] [2020-10-13 15:49:00,272 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 15:49:00,272 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-13 15:49:00,273 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1533123890] [2020-10-13 15:49:00,273 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-13 15:49:00,274 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 15:49:00,274 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-13 15:49:00,274 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2020-10-13 15:49:00,274 INFO L87 Difference]: Start difference. First operand 734 states and 1033 transitions. Second operand 9 states. [2020-10-13 15:49:00,455 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 144 [2020-10-13 15:49:04,790 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 15:49:04,791 INFO L93 Difference]: Finished difference Result 1827 states and 2673 transitions. [2020-10-13 15:49:04,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-13 15:49:04,796 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 176 [2020-10-13 15:49:04,796 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 15:49:04,801 INFO L225 Difference]: With dead ends: 1827 [2020-10-13 15:49:04,801 INFO L226 Difference]: Without dead ends: 1119 [2020-10-13 15:49:04,803 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=57, Invalid=125, Unknown=0, NotChecked=0, Total=182 [2020-10-13 15:49:04,805 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1119 states. [2020-10-13 15:49:04,912 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1119 to 734. [2020-10-13 15:49:04,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 734 states. [2020-10-13 15:49:04,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 734 states to 734 states and 1026 transitions. [2020-10-13 15:49:04,915 INFO L78 Accepts]: Start accepts. Automaton has 734 states and 1026 transitions. Word has length 176 [2020-10-13 15:49:04,915 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 15:49:04,915 INFO L479 AbstractCegarLoop]: Abstraction has 734 states and 1026 transitions. [2020-10-13 15:49:04,915 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-13 15:49:04,915 INFO L276 IsEmpty]: Start isEmpty. Operand 734 states and 1026 transitions. [2020-10-13 15:49:04,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2020-10-13 15:49:04,917 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 15:49:04,917 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 15:49:04,917 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-13 15:49:04,917 INFO L427 AbstractCegarLoop]: === Iteration 12 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 15:49:04,917 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 15:49:04,918 INFO L82 PathProgramCache]: Analyzing trace with hash -2060305394, now seen corresponding path program 1 times [2020-10-13 15:49:04,918 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 15:49:04,918 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1967379651] [2020-10-13 15:49:04,918 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 15:49:04,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:04,942 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:05,006 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:05,042 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:05,130 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:05,143 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:05,160 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:05,427 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:05,529 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:05,584 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:05,644 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:05,706 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:05,766 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:05,823 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:05,871 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:05,914 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:05,952 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:08,211 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:09,455 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:09,941 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:09,941 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 222 [2020-10-13 15:49:09,941 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 18 [2020-10-13 15:49:09,941 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5006 [2020-10-13 15:49:09,942 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:09,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-13 15:49:09,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 15:49:09,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 46 [2020-10-13 15:49:09,942 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:49:10,097 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 142 [2020-10-13 15:49:10,098 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 15:49:10,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:10,106 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:10,112 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:10,112 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:49:10,112 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:49:10,113 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-13 15:49:10,113 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:10,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:49:10,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:49:10,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-13 15:49:10,113 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:49:10,139 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 15:49:10,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:10,142 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:10,144 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:10,144 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:49:10,144 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:49:10,144 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 15:49:10,144 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:10,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:49:10,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:49:10,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 15:49:10,145 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:49:10,146 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 15:49:10,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:10,147 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:10,147 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:10,147 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 15:49:10,147 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:49:10,148 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:49:10,148 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:10,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:49:10,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:49:10,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-13 15:49:10,148 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:49:10,170 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-13 15:49:10,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:10,174 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:10,177 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:10,177 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 15:49:10,177 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:49:10,177 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 15:49:10,178 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:10,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:49:10,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:49:10,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-13 15:49:10,178 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:49:10,226 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-13 15:49:10,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:10,234 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:10,243 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:10,244 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-13 15:49:10,244 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:49:10,244 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-13 15:49:10,244 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:10,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 15:49:10,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-13 15:49:10,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-13 15:49:10,244 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:49:10,266 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-13 15:49:10,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:10,274 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:10,280 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:10,280 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 107 [2020-10-13 15:49:10,281 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:49:10,281 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-13 15:49:10,281 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:10,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:49:10,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 104 [2020-10-13 15:49:10,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:49:10,281 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:49:10,285 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 15:49:10,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:10,285 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:10,286 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:10,286 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:49:10,286 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:49:10,286 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:49:10,286 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:10,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:49:10,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:49:10,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:49:10,287 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:49:10,288 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 15:49:10,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:10,288 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:10,289 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:10,289 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:49:10,289 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:49:10,289 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:49:10,289 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:10,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:49:10,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:49:10,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:49:10,290 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:49:10,290 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-13 15:49:10,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:10,291 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:10,292 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:10,292 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:49:10,292 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:49:10,292 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:49:10,293 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:10,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:49:10,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:49:10,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:49:10,293 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:49:10,294 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-13 15:49:10,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:10,295 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:10,296 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:10,296 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:49:10,297 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:49:10,297 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:49:10,297 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:10,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:49:10,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:49:10,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:49:10,298 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:49:10,298 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-13 15:49:10,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:10,299 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:10,300 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:10,300 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:49:10,300 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:49:10,300 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:49:10,300 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:10,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:49:10,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:49:10,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:49:10,300 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:49:10,301 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-13 15:49:10,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:10,302 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:10,302 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:10,302 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:49:10,303 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:49:10,303 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:49:10,303 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:10,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:49:10,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:49:10,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:49:10,303 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:49:10,304 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-13 15:49:10,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:10,304 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:10,305 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:10,305 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:49:10,305 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:49:10,305 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:49:10,305 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:10,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:49:10,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:49:10,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:49:10,306 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:49:10,306 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-13 15:49:10,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:10,307 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:10,307 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:10,308 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:49:10,308 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:49:10,308 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:49:10,308 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:10,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:49:10,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:49:10,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:49:10,308 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:49:10,309 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-13 15:49:10,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:10,310 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:10,310 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:10,310 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:49:10,310 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:49:10,311 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:49:10,311 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:10,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:49:10,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:49:10,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:49:10,311 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:49:10,314 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-10-13 15:49:10,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:10,317 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:10,319 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:10,320 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-13 15:49:10,320 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:49:10,320 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 15:49:10,320 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:10,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:49:10,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 22 [2020-10-13 15:49:10,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:49:10,320 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:49:10,322 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2020-10-13 15:49:10,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:10,323 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:10,324 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:10,324 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 15:49:10,324 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:49:10,324 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:49:10,324 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:10,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:49:10,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 15:49:10,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:49:10,325 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:49:10,352 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 15:49:10,353 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1967379651] [2020-10-13 15:49:10,353 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 15:49:10,353 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-13 15:49:10,353 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [74706288] [2020-10-13 15:49:10,354 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-13 15:49:10,354 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 15:49:10,354 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-13 15:49:10,354 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2020-10-13 15:49:10,354 INFO L87 Difference]: Start difference. First operand 734 states and 1026 transitions. Second operand 9 states. [2020-10-13 15:49:10,513 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 144 [2020-10-13 15:49:14,381 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 15:49:14,381 INFO L93 Difference]: Finished difference Result 1827 states and 2655 transitions. [2020-10-13 15:49:14,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-13 15:49:14,382 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 176 [2020-10-13 15:49:14,382 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 15:49:14,386 INFO L225 Difference]: With dead ends: 1827 [2020-10-13 15:49:14,386 INFO L226 Difference]: Without dead ends: 1119 [2020-10-13 15:49:14,388 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=57, Invalid=125, Unknown=0, NotChecked=0, Total=182 [2020-10-13 15:49:14,389 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1119 states. [2020-10-13 15:49:14,487 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1119 to 734. [2020-10-13 15:49:14,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 734 states. [2020-10-13 15:49:14,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 734 states to 734 states and 1019 transitions. [2020-10-13 15:49:14,490 INFO L78 Accepts]: Start accepts. Automaton has 734 states and 1019 transitions. Word has length 176 [2020-10-13 15:49:14,490 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 15:49:14,490 INFO L479 AbstractCegarLoop]: Abstraction has 734 states and 1019 transitions. [2020-10-13 15:49:14,490 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-13 15:49:14,491 INFO L276 IsEmpty]: Start isEmpty. Operand 734 states and 1019 transitions. [2020-10-13 15:49:14,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2020-10-13 15:49:14,492 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 15:49:14,492 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 15:49:14,493 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-13 15:49:14,493 INFO L427 AbstractCegarLoop]: === Iteration 13 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 15:49:14,493 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 15:49:14,493 INFO L82 PathProgramCache]: Analyzing trace with hash 1299865610, now seen corresponding path program 1 times [2020-10-13 15:49:14,493 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 15:49:14,494 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [931611846] [2020-10-13 15:49:14,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 15:49:14,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:14,525 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:14,581 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:14,651 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:14,824 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:14,846 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:14,875 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:15,117 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:15,308 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:15,336 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:15,390 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:15,416 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:15,440 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:15,470 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:15,501 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:15,526 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:16,692 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:17,453 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:18,031 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:19,514 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:19,515 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 222 [2020-10-13 15:49:19,515 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 18 [2020-10-13 15:49:19,515 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-13 15:49:19,515 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:19,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-13 15:49:19,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 15:49:19,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 47 [2020-10-13 15:49:19,515 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:49:19,646 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 142 [2020-10-13 15:49:19,646 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 15:49:19,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:19,653 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:19,659 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:19,659 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:49:19,660 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:49:19,660 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-13 15:49:19,660 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:19,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:49:19,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:49:19,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-13 15:49:19,660 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:49:19,687 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 15:49:19,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:19,690 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:19,691 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:19,692 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:49:19,692 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:49:19,692 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 15:49:19,692 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:19,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:49:19,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:49:19,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 15:49:19,692 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:49:19,693 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 15:49:19,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:19,694 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:19,695 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:19,695 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 15:49:19,695 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:49:19,695 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:49:19,695 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:19,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:49:19,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:49:19,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-13 15:49:19,696 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:49:19,721 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-13 15:49:19,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:19,724 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:19,728 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:19,728 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 15:49:19,728 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:49:19,728 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 15:49:19,728 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:19,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:49:19,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:49:19,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-13 15:49:19,729 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:49:19,771 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-13 15:49:19,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:19,778 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:19,793 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:19,794 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-13 15:49:19,794 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:49:19,794 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-13 15:49:19,794 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:19,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 15:49:19,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-13 15:49:19,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-13 15:49:19,795 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:49:19,828 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-13 15:49:19,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:19,836 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:19,843 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:19,843 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 107 [2020-10-13 15:49:19,843 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:49:19,843 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-13 15:49:19,844 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:19,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:49:19,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 104 [2020-10-13 15:49:19,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:49:19,844 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:49:19,848 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 15:49:19,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:19,849 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:19,849 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:19,849 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:49:19,849 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:49:19,849 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:49:19,850 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:19,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:49:19,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:49:19,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:49:19,850 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:49:19,851 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 15:49:19,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:19,851 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:19,852 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:19,852 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:49:19,852 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:49:19,852 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:49:19,852 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:19,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:49:19,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:49:19,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:49:19,853 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:49:19,853 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-13 15:49:19,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:19,854 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:19,854 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:19,854 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:49:19,854 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:49:19,855 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:49:19,855 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:19,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:49:19,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:49:19,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:49:19,855 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:49:19,856 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-13 15:49:19,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:19,856 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:19,857 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:19,857 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:49:19,857 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:49:19,857 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:49:19,858 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:19,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:49:19,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:49:19,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:49:19,858 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:49:19,859 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-13 15:49:19,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:19,860 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:19,860 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:19,860 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:49:19,860 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:49:19,860 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:49:19,861 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:19,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:49:19,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:49:19,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:49:19,861 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:49:19,862 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-13 15:49:19,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:19,862 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:19,863 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:19,863 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:49:19,863 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:49:19,863 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:49:19,864 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:19,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:49:19,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:49:19,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:49:19,864 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:49:19,865 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-13 15:49:19,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:19,866 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:19,866 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:19,866 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:49:19,867 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:49:19,867 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:49:19,867 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:19,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:49:19,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:49:19,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:49:19,867 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:49:19,868 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-13 15:49:19,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:19,869 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:19,869 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:19,869 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:49:19,869 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:49:19,869 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:49:19,870 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:19,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:49:19,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:49:19,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:49:19,870 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:49:19,871 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-13 15:49:19,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:19,871 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:19,872 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:19,872 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:49:19,872 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:49:19,872 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:49:19,872 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:19,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:49:19,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:49:19,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:49:19,873 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:49:19,875 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-10-13 15:49:19,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:19,878 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:19,881 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:19,881 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-13 15:49:19,881 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:49:19,881 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 15:49:19,881 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:19,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:49:19,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 22 [2020-10-13 15:49:19,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:49:19,882 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:49:19,883 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2020-10-13 15:49:19,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:19,884 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:19,885 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:19,886 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 15:49:19,886 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:49:19,886 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:49:19,886 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:19,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:49:19,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 15:49:19,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:49:19,887 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:49:19,911 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 15:49:19,912 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [931611846] [2020-10-13 15:49:19,912 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 15:49:19,912 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-13 15:49:19,912 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1145725853] [2020-10-13 15:49:19,913 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-13 15:49:19,913 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 15:49:19,913 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-13 15:49:19,913 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2020-10-13 15:49:19,913 INFO L87 Difference]: Start difference. First operand 734 states and 1019 transitions. Second operand 10 states. [2020-10-13 15:49:20,062 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 144 [2020-10-13 15:49:24,322 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 15:49:24,322 INFO L93 Difference]: Finished difference Result 1827 states and 2637 transitions. [2020-10-13 15:49:24,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-13 15:49:24,322 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 176 [2020-10-13 15:49:24,323 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 15:49:24,327 INFO L225 Difference]: With dead ends: 1827 [2020-10-13 15:49:24,327 INFO L226 Difference]: Without dead ends: 1119 [2020-10-13 15:49:24,328 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=65, Invalid=145, Unknown=0, NotChecked=0, Total=210 [2020-10-13 15:49:24,329 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1119 states. [2020-10-13 15:49:24,469 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1119 to 734. [2020-10-13 15:49:24,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 734 states. [2020-10-13 15:49:24,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 734 states to 734 states and 1012 transitions. [2020-10-13 15:49:24,473 INFO L78 Accepts]: Start accepts. Automaton has 734 states and 1012 transitions. Word has length 176 [2020-10-13 15:49:24,473 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 15:49:24,473 INFO L479 AbstractCegarLoop]: Abstraction has 734 states and 1012 transitions. [2020-10-13 15:49:24,473 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-13 15:49:24,473 INFO L276 IsEmpty]: Start isEmpty. Operand 734 states and 1012 transitions. [2020-10-13 15:49:24,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2020-10-13 15:49:24,476 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 15:49:24,476 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 15:49:24,476 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-13 15:49:24,477 INFO L427 AbstractCegarLoop]: === Iteration 14 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 15:49:24,477 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 15:49:24,477 INFO L82 PathProgramCache]: Analyzing trace with hash 1143885068, now seen corresponding path program 1 times [2020-10-13 15:49:24,477 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 15:49:24,478 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [822735407] [2020-10-13 15:49:24,478 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 15:49:24,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:24,519 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:24,570 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:24,663 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:24,685 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:24,706 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:24,774 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:25,050 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:25,094 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:25,132 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:25,172 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:25,212 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:25,252 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:25,294 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:25,332 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:27,287 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:27,409 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:28,972 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:29,037 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:29,468 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:29,543 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:29,544 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 222 [2020-10-13 15:49:29,544 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 19 [2020-10-13 15:49:29,544 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5039 [2020-10-13 15:49:29,546 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:29,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-13 15:49:29,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 15:49:29,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 48 [2020-10-13 15:49:29,547 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-13 15:49:29,725 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 142 [2020-10-13 15:49:29,726 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 15:49:29,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:29,736 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:29,752 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:29,753 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:49:29,753 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:49:29,753 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-13 15:49:29,753 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:29,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:49:29,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:49:29,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-13 15:49:29,754 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 15:49:29,794 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 15:49:29,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:29,798 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:29,801 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:29,801 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:49:29,801 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:49:29,802 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 15:49:29,802 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:29,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:49:29,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:49:29,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 15:49:29,803 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 15:49:29,805 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 15:49:29,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:29,806 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:29,807 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:29,807 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 15:49:29,807 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:49:29,808 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:49:29,808 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:29,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:49:29,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:49:29,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-13 15:49:29,809 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:49:29,830 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-13 15:49:29,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:29,839 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:29,844 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:29,845 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 15:49:29,845 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:49:29,845 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 15:49:29,845 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:29,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:49:29,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:49:29,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-13 15:49:29,846 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:49:29,891 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-13 15:49:29,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:29,897 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:29,913 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:29,913 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-13 15:49:29,914 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:49:29,914 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-13 15:49:29,914 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:29,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 15:49:29,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-13 15:49:29,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-13 15:49:29,915 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:49:29,943 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-13 15:49:29,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:29,952 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:29,963 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:29,964 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 107 [2020-10-13 15:49:29,964 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:49:29,964 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-13 15:49:29,964 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:29,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:49:29,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 104 [2020-10-13 15:49:29,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:49:29,965 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:49:29,970 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 15:49:29,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:29,972 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:29,973 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:29,973 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:49:29,973 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:49:29,973 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:49:29,974 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:29,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:49:29,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:49:29,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:49:29,974 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:49:29,975 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 15:49:29,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:29,976 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:29,977 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:29,977 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:49:29,977 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:49:29,977 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:49:29,977 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:29,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:49:29,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:49:29,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:49:29,978 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:49:29,979 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-13 15:49:29,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:29,980 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:29,980 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:29,981 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:49:29,981 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:49:29,981 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:49:29,981 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:29,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:49:29,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:49:29,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:49:29,982 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:49:29,983 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-13 15:49:29,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:29,983 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:29,984 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:29,984 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:49:29,985 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:49:29,985 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:49:29,985 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:29,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:49:29,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:49:29,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:49:29,986 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:49:29,987 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-13 15:49:29,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:29,988 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:29,988 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:29,989 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:49:29,989 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:49:29,989 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:49:29,989 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:29,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:49:29,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:49:29,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:49:29,990 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:49:29,991 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-13 15:49:29,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:29,992 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:29,993 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:29,993 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:49:29,993 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:49:29,993 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:49:29,994 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:29,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:49:29,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:49:29,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:49:29,994 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:49:29,995 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-13 15:49:29,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:29,996 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:29,997 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:29,997 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:49:29,997 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:49:29,997 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:49:29,997 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:29,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:49:29,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:49:29,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:49:29,998 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:49:29,999 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-13 15:49:30,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:30,000 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:30,001 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:30,001 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:49:30,002 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:49:30,002 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:49:30,002 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:30,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:49:30,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:49:30,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:49:30,003 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:49:30,011 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-13 15:49:30,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:30,012 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:30,014 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:30,014 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:49:30,015 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:49:30,015 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 15:49:30,015 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:30,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:49:30,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:49:30,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:49:30,016 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:49:30,020 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-10-13 15:49:30,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:30,024 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:30,028 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:30,028 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-13 15:49:30,028 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:49:30,028 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 15:49:30,028 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:30,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:49:30,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 22 [2020-10-13 15:49:30,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:49:30,029 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:49:30,032 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2020-10-13 15:49:30,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:30,033 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:30,034 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:30,034 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 15:49:30,034 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:49:30,035 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:49:30,035 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:30,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:49:30,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 15:49:30,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:49:30,036 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:49:30,118 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 15:49:30,120 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [822735407] [2020-10-13 15:49:30,121 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 15:49:30,121 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-13 15:49:30,121 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1852348630] [2020-10-13 15:49:30,123 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-13 15:49:30,123 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 15:49:30,123 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-13 15:49:30,124 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2020-10-13 15:49:30,124 INFO L87 Difference]: Start difference. First operand 734 states and 1012 transitions. Second operand 10 states. [2020-10-13 15:49:30,305 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 144 [2020-10-13 15:49:34,613 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 15:49:34,613 INFO L93 Difference]: Finished difference Result 1827 states and 2619 transitions. [2020-10-13 15:49:34,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-13 15:49:34,614 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 176 [2020-10-13 15:49:34,614 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 15:49:34,619 INFO L225 Difference]: With dead ends: 1827 [2020-10-13 15:49:34,620 INFO L226 Difference]: Without dead ends: 1119 [2020-10-13 15:49:34,622 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=65, Invalid=145, Unknown=0, NotChecked=0, Total=210 [2020-10-13 15:49:34,624 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1119 states. [2020-10-13 15:49:34,749 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1119 to 734. [2020-10-13 15:49:34,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 734 states. [2020-10-13 15:49:34,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 734 states to 734 states and 1005 transitions. [2020-10-13 15:49:34,752 INFO L78 Accepts]: Start accepts. Automaton has 734 states and 1005 transitions. Word has length 176 [2020-10-13 15:49:34,752 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 15:49:34,752 INFO L479 AbstractCegarLoop]: Abstraction has 734 states and 1005 transitions. [2020-10-13 15:49:34,753 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-13 15:49:34,753 INFO L276 IsEmpty]: Start isEmpty. Operand 734 states and 1005 transitions. [2020-10-13 15:49:34,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2020-10-13 15:49:34,754 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 15:49:34,754 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 15:49:34,755 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-13 15:49:34,755 INFO L427 AbstractCegarLoop]: === Iteration 15 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 15:49:34,755 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 15:49:34,755 INFO L82 PathProgramCache]: Analyzing trace with hash -689487864, now seen corresponding path program 1 times [2020-10-13 15:49:34,755 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 15:49:34,756 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [571360562] [2020-10-13 15:49:34,756 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 15:49:34,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:34,790 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:34,833 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:34,901 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:34,923 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:34,944 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:35,046 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:35,079 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:35,113 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:35,147 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:35,181 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:35,209 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:35,239 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:36,607 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:37,717 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:38,395 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:39,779 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:39,780 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 222 [2020-10-13 15:49:39,780 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 15 [2020-10-13 15:49:39,780 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-13 15:49:39,780 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:39,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-13 15:49:39,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 15:49:39,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 49 [2020-10-13 15:49:39,781 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:49:39,918 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 142 [2020-10-13 15:49:39,918 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 15:49:39,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:39,925 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:39,931 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:39,932 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:49:39,932 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:49:39,932 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-13 15:49:39,932 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:39,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:49:39,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:49:39,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-13 15:49:39,932 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:49:39,960 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 15:49:39,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:39,963 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:39,964 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:39,965 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:49:39,965 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:49:39,965 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 15:49:39,965 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:39,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:49:39,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:49:39,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 15:49:39,965 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:49:39,966 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 15:49:39,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:39,967 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:39,968 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:39,968 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 15:49:39,968 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:49:39,969 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:49:39,969 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:39,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:49:39,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:49:39,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-13 15:49:39,970 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:49:39,990 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-13 15:49:39,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:39,994 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:39,997 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:39,997 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 15:49:39,997 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:49:39,997 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 15:49:39,998 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:39,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:49:39,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:49:39,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-13 15:49:39,998 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:49:40,040 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-13 15:49:40,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:40,047 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:40,056 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:40,057 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-13 15:49:40,057 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:49:40,057 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-13 15:49:40,057 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:40,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 15:49:40,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-13 15:49:40,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-13 15:49:40,057 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:49:40,094 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-13 15:49:40,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:40,101 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:40,108 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:40,108 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 107 [2020-10-13 15:49:40,109 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:49:40,109 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-13 15:49:40,109 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:40,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:49:40,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 104 [2020-10-13 15:49:40,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:49:40,109 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:49:40,112 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 15:49:40,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:40,113 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:40,114 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:40,114 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:49:40,114 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:49:40,114 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:49:40,114 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:40,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:49:40,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:49:40,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:49:40,115 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:49:40,115 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 15:49:40,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:40,116 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:40,116 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:40,116 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:49:40,116 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:49:40,117 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:49:40,117 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:40,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:49:40,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:49:40,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:49:40,117 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:49:40,118 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-13 15:49:40,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:40,118 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:40,119 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:40,119 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:49:40,119 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:49:40,119 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:49:40,120 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:40,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:49:40,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:49:40,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:49:40,120 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:49:40,120 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-13 15:49:40,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:40,121 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:40,122 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:40,122 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:49:40,122 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:49:40,122 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:49:40,122 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:40,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:49:40,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:49:40,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:49:40,123 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:49:40,123 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-13 15:49:40,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:40,124 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:40,124 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:40,124 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:49:40,125 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:49:40,125 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:49:40,125 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:40,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:49:40,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:49:40,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:49:40,125 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:49:40,126 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-13 15:49:40,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:40,126 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:40,127 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:40,127 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:49:40,127 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:49:40,127 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:49:40,127 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:40,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:49:40,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:49:40,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:49:40,128 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:49:40,128 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-13 15:49:40,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:40,129 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:40,129 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:40,129 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:49:40,129 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:49:40,130 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:49:40,130 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:40,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:49:40,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:49:40,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:49:40,130 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:49:40,131 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-13 15:49:40,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:40,131 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:40,132 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:40,132 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:49:40,132 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:49:40,132 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:49:40,132 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:40,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:49:40,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:49:40,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:49:40,133 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:49:40,133 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-13 15:49:40,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:40,134 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:40,134 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:40,134 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:49:40,134 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:49:40,135 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:49:40,135 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:40,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:49:40,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:49:40,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:49:40,135 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:49:40,138 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-10-13 15:49:40,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:40,140 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:40,143 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:40,143 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-13 15:49:40,143 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:49:40,143 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 15:49:40,143 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:40,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:49:40,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 22 [2020-10-13 15:49:40,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:49:40,144 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:49:40,145 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2020-10-13 15:49:40,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:40,146 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:40,147 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:40,147 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 15:49:40,147 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:49:40,147 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:49:40,147 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:40,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:49:40,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 15:49:40,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:49:40,147 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:49:40,172 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 15:49:40,172 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [571360562] [2020-10-13 15:49:40,173 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 15:49:40,173 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-13 15:49:40,173 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1473055734] [2020-10-13 15:49:40,174 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-13 15:49:40,174 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 15:49:40,174 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-13 15:49:40,174 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2020-10-13 15:49:40,174 INFO L87 Difference]: Start difference. First operand 734 states and 1005 transitions. Second operand 10 states. [2020-10-13 15:49:40,326 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 144 [2020-10-13 15:49:42,781 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2020-10-13 15:49:46,285 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 15:49:46,286 INFO L93 Difference]: Finished difference Result 2224 states and 3281 transitions. [2020-10-13 15:49:46,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-13 15:49:46,286 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 176 [2020-10-13 15:49:46,287 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 15:49:46,295 INFO L225 Difference]: With dead ends: 2224 [2020-10-13 15:49:46,295 INFO L226 Difference]: Without dead ends: 1516 [2020-10-13 15:49:46,299 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=123, Invalid=297, Unknown=0, NotChecked=0, Total=420 [2020-10-13 15:49:46,301 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1516 states. [2020-10-13 15:49:46,477 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1516 to 966. [2020-10-13 15:49:46,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 966 states. [2020-10-13 15:49:46,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 966 states to 966 states and 1278 transitions. [2020-10-13 15:49:46,480 INFO L78 Accepts]: Start accepts. Automaton has 966 states and 1278 transitions. Word has length 176 [2020-10-13 15:49:46,480 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 15:49:46,480 INFO L479 AbstractCegarLoop]: Abstraction has 966 states and 1278 transitions. [2020-10-13 15:49:46,480 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-13 15:49:46,481 INFO L276 IsEmpty]: Start isEmpty. Operand 966 states and 1278 transitions. [2020-10-13 15:49:46,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2020-10-13 15:49:46,482 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 15:49:46,482 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 15:49:46,482 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-10-13 15:49:46,482 INFO L427 AbstractCegarLoop]: === Iteration 16 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 15:49:46,483 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 15:49:46,483 INFO L82 PathProgramCache]: Analyzing trace with hash 1745223052, now seen corresponding path program 1 times [2020-10-13 15:49:46,483 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 15:49:46,483 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1238772902] [2020-10-13 15:49:46,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 15:49:46,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:46,509 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:46,554 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:46,600 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:46,641 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:46,666 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:46,685 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:46,787 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:46,814 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:46,837 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:46,859 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:46,884 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:47,561 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:48,298 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:49,341 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:50,185 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:50,220 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:50,700 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:51,507 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:51,507 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 222 [2020-10-13 15:49:51,508 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 17 [2020-10-13 15:49:51,508 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5005 [2020-10-13 15:49:51,508 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:51,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-13 15:49:51,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 15:49:51,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 50 [2020-10-13 15:49:51,508 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:49:51,646 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 142 [2020-10-13 15:49:51,649 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 15:49:51,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:51,655 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:51,661 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:51,661 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:49:51,661 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:49:51,661 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 15:49:51,661 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:51,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:49:51,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:49:51,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-13 15:49:51,662 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:49:51,682 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 15:49:51,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:51,685 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:51,687 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:51,688 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:49:51,688 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:49:51,688 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 15:49:51,688 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:51,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:49:51,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:49:51,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 15:49:51,688 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:49:51,689 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 15:49:51,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:51,690 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:51,691 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:51,691 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 15:49:51,691 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:49:51,691 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:49:51,691 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:51,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:49:51,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:49:51,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-13 15:49:51,692 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:49:51,711 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-13 15:49:51,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:51,715 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:51,718 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:51,719 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 15:49:51,719 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:49:51,719 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 15:49:51,719 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:51,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:49:51,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:49:51,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-13 15:49:51,719 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:49:51,761 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-13 15:49:51,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:51,769 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:51,779 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:51,780 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-13 15:49:51,780 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:49:51,780 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-13 15:49:51,780 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:51,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 15:49:51,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-13 15:49:51,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-13 15:49:51,781 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:49:51,810 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-13 15:49:51,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:51,819 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:51,830 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:51,831 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 107 [2020-10-13 15:49:51,831 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:49:51,831 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-13 15:49:51,831 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:51,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:49:51,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 104 [2020-10-13 15:49:51,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:49:51,832 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:49:51,837 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 15:49:51,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:51,838 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:51,839 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:51,839 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:49:51,839 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:49:51,839 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:49:51,839 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:51,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:49:51,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:49:51,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:49:51,840 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:49:51,841 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 15:49:51,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:51,842 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:51,842 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:51,843 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:49:51,843 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:49:51,843 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:49:51,843 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:51,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:49:51,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:49:51,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:49:51,844 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:49:51,845 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-13 15:49:51,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:51,846 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:51,846 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:51,847 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:49:51,847 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:49:51,847 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:49:51,847 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:51,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:49:51,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:49:51,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:49:51,848 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 15:49:51,849 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-13 15:49:51,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:51,850 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:51,851 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:51,851 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:49:51,851 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:49:51,851 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:49:51,852 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:51,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:49:51,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:49:51,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:49:51,852 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:49:51,853 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-13 15:49:51,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:51,854 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:51,855 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:51,855 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:49:51,856 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:49:51,856 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:49:51,856 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:51,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:49:51,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:49:51,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:49:51,857 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:49:51,857 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-13 15:49:51,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:51,858 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:51,859 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:51,859 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:49:51,859 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:49:51,860 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:49:51,860 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:51,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:49:51,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:49:51,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:49:51,861 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:49:51,861 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-13 15:49:51,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:51,862 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:51,863 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:51,863 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:49:51,863 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:49:51,864 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:49:51,864 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:51,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:49:51,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:49:51,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:49:51,864 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:49:51,865 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-13 15:49:51,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:51,866 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:51,867 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:51,867 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:49:51,867 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:49:51,868 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:49:51,868 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:51,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:49:51,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:49:51,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:49:51,869 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:49:51,869 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-13 15:49:51,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:51,870 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:51,871 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:51,871 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:49:51,872 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:49:51,872 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:49:51,872 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:51,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:49:51,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:49:51,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:49:51,873 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:49:51,877 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-10-13 15:49:51,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:51,881 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:51,886 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:51,887 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-13 15:49:51,887 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:49:51,887 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 15:49:51,888 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:51,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:49:51,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 22 [2020-10-13 15:49:51,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:49:51,889 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 15:49:51,892 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2020-10-13 15:49:51,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:51,894 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:51,895 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:51,896 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 15:49:51,896 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:49:51,896 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:49:51,897 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:51,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:49:51,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 15:49:51,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:49:51,898 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 15:49:51,951 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 15:49:51,952 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1238772902] [2020-10-13 15:49:51,952 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 15:49:51,953 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-13 15:49:51,953 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [899547914] [2020-10-13 15:49:51,953 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-13 15:49:51,953 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 15:49:51,954 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-13 15:49:51,954 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2020-10-13 15:49:51,954 INFO L87 Difference]: Start difference. First operand 966 states and 1278 transitions. Second operand 9 states. [2020-10-13 15:49:52,159 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 144 [2020-10-13 15:49:57,727 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 15:49:57,727 INFO L93 Difference]: Finished difference Result 2754 states and 3927 transitions. [2020-10-13 15:49:57,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-13 15:49:57,727 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 176 [2020-10-13 15:49:57,728 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 15:49:57,734 INFO L225 Difference]: With dead ends: 2754 [2020-10-13 15:49:57,735 INFO L226 Difference]: Without dead ends: 1814 [2020-10-13 15:49:57,739 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=80, Invalid=192, Unknown=0, NotChecked=0, Total=272 [2020-10-13 15:49:57,741 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1814 states. [2020-10-13 15:49:57,954 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1814 to 1198. [2020-10-13 15:49:57,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1198 states. [2020-10-13 15:49:57,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1198 states to 1198 states and 1547 transitions. [2020-10-13 15:49:57,958 INFO L78 Accepts]: Start accepts. Automaton has 1198 states and 1547 transitions. Word has length 176 [2020-10-13 15:49:57,958 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 15:49:57,959 INFO L479 AbstractCegarLoop]: Abstraction has 1198 states and 1547 transitions. [2020-10-13 15:49:57,959 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-13 15:49:57,959 INFO L276 IsEmpty]: Start isEmpty. Operand 1198 states and 1547 transitions. [2020-10-13 15:49:57,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2020-10-13 15:49:57,960 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 15:49:57,960 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 15:49:57,961 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-10-13 15:49:57,961 INFO L427 AbstractCegarLoop]: === Iteration 17 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 15:49:57,961 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 15:49:57,961 INFO L82 PathProgramCache]: Analyzing trace with hash 1903602825, now seen corresponding path program 1 times [2020-10-13 15:49:57,962 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 15:49:57,962 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [953306170] [2020-10-13 15:49:57,962 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 15:49:57,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:57,995 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:58,048 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:58,073 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:58,135 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:58,155 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:58,672 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:58,947 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:58,973 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:58,994 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:59,015 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:59,034 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:59,577 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:59,966 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:02,984 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:02,984 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 222 [2020-10-13 15:50:02,985 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 13 [2020-10-13 15:50:02,985 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-13 15:50:02,985 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:02,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 15:50:02,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 84 [2020-10-13 15:50:02,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 15:50:02,985 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:03,121 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 142 [2020-10-13 15:50:03,121 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 15:50:03,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:03,125 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:03,128 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:03,128 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:50:03,128 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:03,129 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 15:50:03,129 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:03,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:50:03,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:50:03,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:50:03,129 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:03,148 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 15:50:03,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:03,150 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:03,152 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:03,152 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:50:03,152 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:03,152 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:50:03,152 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:03,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:50:03,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:50:03,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:50:03,152 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:03,153 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 15:50:03,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:03,154 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:03,154 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:03,154 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 15:50:03,154 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:03,155 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:50:03,155 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:03,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:50:03,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:50:03,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:50:03,155 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:03,173 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-13 15:50:03,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:03,175 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:03,178 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:03,178 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 15:50:03,178 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:03,178 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 15:50:03,178 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:03,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:50:03,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:50:03,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:50:03,179 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:03,218 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-13 15:50:03,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:03,223 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:03,226 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:03,226 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-13 15:50:03,226 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:03,226 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 15:50:03,226 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:03,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:50:03,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:50:03,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:50:03,227 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:03,229 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-13 15:50:03,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:03,236 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:03,256 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:03,256 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 107 [2020-10-13 15:50:03,256 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:03,256 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-13 15:50:03,257 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:03,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 15:50:03,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-10-13 15:50:03,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 15:50:03,257 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:03,275 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 15:50:03,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:03,276 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:03,277 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:03,277 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:50:03,278 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:03,278 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:50:03,278 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:03,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:50:03,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:50:03,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:50:03,278 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:03,279 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 15:50:03,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:03,280 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:03,282 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:03,282 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:50:03,282 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:03,282 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:50:03,282 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:03,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 15:50:03,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:50:03,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 15:50:03,283 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:03,301 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-13 15:50:03,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:03,302 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:03,303 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:03,303 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:50:03,303 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:03,303 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:50:03,304 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:03,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:50:03,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 15:50:03,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:50:03,304 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:03,305 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-13 15:50:03,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:03,305 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:03,306 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:03,306 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:50:03,306 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:03,306 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:50:03,306 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:03,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:50:03,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 15:50:03,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:50:03,307 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:03,307 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-13 15:50:03,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:03,308 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:03,309 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:03,309 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:50:03,309 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:03,309 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:50:03,309 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:03,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:50:03,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 15:50:03,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:50:03,310 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:03,310 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-13 15:50:03,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:03,311 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:03,312 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:03,312 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:50:03,312 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:03,312 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:50:03,312 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:03,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:50:03,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 15:50:03,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:50:03,313 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:03,313 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-13 15:50:03,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:03,314 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:03,315 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:03,315 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:50:03,315 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:03,315 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:50:03,315 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:03,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:50:03,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 15:50:03,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:50:03,316 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:03,316 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-13 15:50:03,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:03,317 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:03,317 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:03,318 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:50:03,318 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:03,318 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:50:03,318 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:03,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:50:03,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 15:50:03,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:50:03,318 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:03,319 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-13 15:50:03,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:03,320 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:03,320 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:03,321 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:50:03,321 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:03,321 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:50:03,321 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:03,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:50:03,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 15:50:03,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:50:03,321 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:03,324 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-10-13 15:50:03,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:03,326 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:03,329 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:03,329 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-13 15:50:03,329 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:03,329 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 15:50:03,329 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:03,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:50:03,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 22 [2020-10-13 15:50:03,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:50:03,330 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:03,331 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2020-10-13 15:50:03,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:03,332 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:03,333 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:03,333 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 15:50:03,333 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:03,333 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:50:03,333 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:03,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:50:03,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 15:50:03,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:50:03,334 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:03,355 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 15:50:03,355 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [953306170] [2020-10-13 15:50:03,355 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 15:50:03,355 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-13 15:50:03,356 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1868442039] [2020-10-13 15:50:03,356 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-13 15:50:03,356 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 15:50:03,356 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-13 15:50:03,357 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-10-13 15:50:03,357 INFO L87 Difference]: Start difference. First operand 1198 states and 1547 transitions. Second operand 10 states. [2020-10-13 15:50:04,170 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2020-10-13 15:50:04,321 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 147 [2020-10-13 15:50:04,477 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2020-10-13 15:50:04,643 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2020-10-13 15:50:09,175 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 15:50:09,176 INFO L93 Difference]: Finished difference Result 2938 states and 4010 transitions. [2020-10-13 15:50:09,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-13 15:50:09,176 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 176 [2020-10-13 15:50:09,176 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 15:50:09,183 INFO L225 Difference]: With dead ends: 2938 [2020-10-13 15:50:09,183 INFO L226 Difference]: Without dead ends: 1767 [2020-10-13 15:50:09,186 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=91, Invalid=251, Unknown=0, NotChecked=0, Total=342 [2020-10-13 15:50:09,188 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1767 states. [2020-10-13 15:50:09,349 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1767 to 1208. [2020-10-13 15:50:09,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1208 states. [2020-10-13 15:50:09,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1208 states to 1208 states and 1553 transitions. [2020-10-13 15:50:09,351 INFO L78 Accepts]: Start accepts. Automaton has 1208 states and 1553 transitions. Word has length 176 [2020-10-13 15:50:09,352 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 15:50:09,352 INFO L479 AbstractCegarLoop]: Abstraction has 1208 states and 1553 transitions. [2020-10-13 15:50:09,352 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-13 15:50:09,352 INFO L276 IsEmpty]: Start isEmpty. Operand 1208 states and 1553 transitions. [2020-10-13 15:50:09,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2020-10-13 15:50:09,353 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 15:50:09,354 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 15:50:09,354 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-10-13 15:50:09,354 INFO L427 AbstractCegarLoop]: === Iteration 18 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 15:50:09,354 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 15:50:09,354 INFO L82 PathProgramCache]: Analyzing trace with hash 865018251, now seen corresponding path program 1 times [2020-10-13 15:50:09,354 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 15:50:09,355 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2005698131] [2020-10-13 15:50:09,355 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 15:50:09,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:09,383 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:09,420 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:09,453 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:09,498 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:09,605 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:09,888 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:09,916 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:09,941 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:09,966 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:10,274 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:10,611 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:10,683 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:11,865 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:11,917 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:13,205 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:14,376 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:14,376 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 222 [2020-10-13 15:50:14,376 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 15 [2020-10-13 15:50:14,376 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-13 15:50:14,376 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:14,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-13 15:50:14,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 15:50:14,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 52 [2020-10-13 15:50:14,377 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:14,514 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 142 [2020-10-13 15:50:14,515 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 15:50:14,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:14,522 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:14,529 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:14,529 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:50:14,530 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:14,530 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-13 15:50:14,530 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:14,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:50:14,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:50:14,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-13 15:50:14,530 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:14,558 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 15:50:14,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:14,561 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:14,563 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:14,563 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:50:14,563 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:14,563 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 15:50:14,563 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:14,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:50:14,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:50:14,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 15:50:14,564 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:14,565 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 15:50:14,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:14,565 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:14,566 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:14,566 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 15:50:14,566 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:14,566 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:50:14,566 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:14,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:50:14,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:50:14,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-13 15:50:14,567 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:14,587 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-13 15:50:14,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:14,591 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:14,596 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:14,596 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 15:50:14,596 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:14,596 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 15:50:14,597 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:14,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:50:14,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:50:14,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-13 15:50:14,597 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:14,643 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-13 15:50:14,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:14,647 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:14,656 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:14,657 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-13 15:50:14,657 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:14,657 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-13 15:50:14,657 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:14,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 15:50:14,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-13 15:50:14,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-13 15:50:14,657 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:14,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-13 15:50:14,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:14,703 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:14,708 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:14,709 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 107 [2020-10-13 15:50:14,709 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:14,709 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-13 15:50:14,709 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:14,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:50:14,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 104 [2020-10-13 15:50:14,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:50:14,710 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:14,712 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 15:50:14,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:14,713 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:14,714 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:14,714 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:50:14,714 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:14,714 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:50:14,714 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:14,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:50:14,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:50:14,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:50:14,714 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:14,715 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 15:50:14,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:14,716 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:14,716 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:14,717 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:50:14,717 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:14,717 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:50:14,717 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:14,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:50:14,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:50:14,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:50:14,718 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:14,718 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-13 15:50:14,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:14,719 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:14,720 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:14,720 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:50:14,720 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:14,721 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:50:14,721 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:14,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:50:14,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:50:14,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:50:14,721 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:14,722 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-13 15:50:14,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:14,723 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:14,724 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:14,724 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:50:14,724 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:14,724 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:50:14,724 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:14,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:50:14,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:50:14,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:50:14,725 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:14,726 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-13 15:50:14,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:14,727 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:14,727 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:14,728 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:50:14,728 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:14,728 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:50:14,728 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:14,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:50:14,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:50:14,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:50:14,729 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:14,730 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-13 15:50:14,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:14,730 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:14,731 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:14,731 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:50:14,731 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:14,732 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:50:14,732 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:14,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:50:14,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:50:14,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:50:14,732 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:14,733 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-13 15:50:14,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:14,734 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:14,735 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:14,735 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:50:14,735 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:14,735 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:50:14,735 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:14,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:50:14,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:50:14,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:50:14,736 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:14,737 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-13 15:50:14,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:14,737 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:14,738 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:14,738 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:50:14,738 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:14,738 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:50:14,739 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:14,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:50:14,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:50:14,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:50:14,739 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:14,740 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-13 15:50:14,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:14,740 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:14,741 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:14,741 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:50:14,742 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:14,742 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:50:14,742 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:14,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:50:14,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:50:14,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:50:14,743 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:14,746 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-10-13 15:50:14,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:14,748 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:14,751 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:14,751 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-13 15:50:14,751 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:14,751 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 15:50:14,751 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:14,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:50:14,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 22 [2020-10-13 15:50:14,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:50:14,752 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:14,754 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2020-10-13 15:50:14,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:14,755 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:14,755 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:14,755 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 15:50:14,755 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:14,755 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:50:14,756 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:14,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:50:14,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 15:50:14,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:50:14,756 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:14,781 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 15:50:14,781 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2005698131] [2020-10-13 15:50:14,781 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 15:50:14,782 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-13 15:50:14,782 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1794171355] [2020-10-13 15:50:14,782 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-13 15:50:14,783 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 15:50:14,783 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-13 15:50:14,783 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2020-10-13 15:50:14,783 INFO L87 Difference]: Start difference. First operand 1208 states and 1553 transitions. Second operand 10 states. [2020-10-13 15:50:14,946 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 144 [2020-10-13 15:50:17,128 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2020-10-13 15:50:20,971 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 15:50:20,971 INFO L93 Difference]: Finished difference Result 3242 states and 4483 transitions. [2020-10-13 15:50:20,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-13 15:50:20,976 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 176 [2020-10-13 15:50:20,977 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 15:50:20,985 INFO L225 Difference]: With dead ends: 3242 [2020-10-13 15:50:20,986 INFO L226 Difference]: Without dead ends: 2060 [2020-10-13 15:50:20,989 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=123, Invalid=297, Unknown=0, NotChecked=0, Total=420 [2020-10-13 15:50:20,992 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2060 states. [2020-10-13 15:50:21,216 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2060 to 1410. [2020-10-13 15:50:21,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1410 states. [2020-10-13 15:50:21,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1410 states to 1410 states and 1780 transitions. [2020-10-13 15:50:21,218 INFO L78 Accepts]: Start accepts. Automaton has 1410 states and 1780 transitions. Word has length 176 [2020-10-13 15:50:21,218 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 15:50:21,218 INFO L479 AbstractCegarLoop]: Abstraction has 1410 states and 1780 transitions. [2020-10-13 15:50:21,219 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-13 15:50:21,219 INFO L276 IsEmpty]: Start isEmpty. Operand 1410 states and 1780 transitions. [2020-10-13 15:50:21,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2020-10-13 15:50:21,220 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 15:50:21,220 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 15:50:21,220 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-10-13 15:50:21,220 INFO L427 AbstractCegarLoop]: === Iteration 19 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 15:50:21,220 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 15:50:21,221 INFO L82 PathProgramCache]: Analyzing trace with hash 1305539207, now seen corresponding path program 1 times [2020-10-13 15:50:21,221 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 15:50:21,221 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [340441143] [2020-10-13 15:50:21,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 15:50:21,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:21,245 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:21,274 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:21,322 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:21,361 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:21,404 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:21,433 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:21,478 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:21,499 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:21,739 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:22,413 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:23,021 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:24,251 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:24,298 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:25,865 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:26,242 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:26,242 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 222 [2020-10-13 15:50:26,242 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 14 [2020-10-13 15:50:26,242 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-13 15:50:26,242 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:26,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-13 15:50:26,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 15:50:26,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 53 [2020-10-13 15:50:26,243 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:26,393 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 142 [2020-10-13 15:50:26,394 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 15:50:26,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:26,401 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:26,407 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:26,407 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:50:26,407 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:26,407 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 15:50:26,407 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:26,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:50:26,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:50:26,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-13 15:50:26,408 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:26,437 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 15:50:26,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:26,440 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:26,442 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:26,442 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:50:26,442 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:26,443 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 15:50:26,443 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:26,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:50:26,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:50:26,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 15:50:26,444 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:26,445 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 15:50:26,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:26,446 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:26,447 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:26,447 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 15:50:26,447 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:26,447 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:50:26,447 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:26,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:50:26,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:50:26,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-13 15:50:26,448 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:26,476 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-13 15:50:26,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:26,479 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:26,483 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:26,484 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 15:50:26,484 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:26,484 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 15:50:26,484 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:26,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:50:26,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:50:26,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-13 15:50:26,485 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:26,531 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-13 15:50:26,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:26,538 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:26,545 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:26,546 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-13 15:50:26,546 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:26,546 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-13 15:50:26,546 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:26,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 15:50:26,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-13 15:50:26,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-13 15:50:26,547 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:26,568 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-13 15:50:26,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:26,576 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:26,583 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:26,583 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 107 [2020-10-13 15:50:26,583 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:26,583 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-13 15:50:26,583 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:26,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:50:26,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 104 [2020-10-13 15:50:26,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:50:26,584 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:26,587 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 15:50:26,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:26,588 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:26,588 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:26,588 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:50:26,588 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:26,588 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:50:26,589 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:26,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:50:26,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:50:26,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:50:26,589 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:26,589 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 15:50:26,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:26,590 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:26,590 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:26,591 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:50:26,591 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:26,591 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:50:26,591 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:26,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:50:26,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:50:26,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:50:26,591 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:26,592 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-13 15:50:26,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:26,592 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:26,593 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:26,593 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:50:26,593 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:26,593 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:50:26,593 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:26,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:50:26,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:50:26,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:50:26,594 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:26,594 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-13 15:50:26,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:26,595 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:26,595 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:26,595 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:50:26,595 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:26,596 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:50:26,596 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:26,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:50:26,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:50:26,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:50:26,596 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:26,597 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-13 15:50:26,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:26,597 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:26,598 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:26,598 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:50:26,598 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:26,598 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:50:26,598 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:26,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:50:26,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:50:26,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:50:26,599 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:26,599 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-13 15:50:26,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:26,600 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:26,600 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:26,600 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:50:26,600 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:26,601 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:50:26,601 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:26,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:50:26,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:50:26,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:50:26,601 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:26,602 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-13 15:50:26,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:26,602 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:26,603 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:26,603 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:50:26,603 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:26,603 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:50:26,603 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:26,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:50:26,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:50:26,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:50:26,603 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:26,604 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-13 15:50:26,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:26,604 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:26,605 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:26,605 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:50:26,605 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:26,605 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:50:26,605 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:26,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:50:26,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:50:26,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:50:26,606 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:26,607 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-13 15:50:26,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:26,607 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:26,608 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:26,608 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:50:26,608 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:26,608 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:50:26,608 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:26,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:50:26,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:50:26,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:50:26,609 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:26,611 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-10-13 15:50:26,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:26,615 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:26,618 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:26,618 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-13 15:50:26,618 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:26,618 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 15:50:26,618 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:26,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:50:26,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 22 [2020-10-13 15:50:26,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:50:26,619 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:26,620 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2020-10-13 15:50:26,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:26,621 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:26,622 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:26,622 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 15:50:26,622 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:26,622 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:50:26,622 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:26,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:50:26,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 15:50:26,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:50:26,623 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:26,645 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 15:50:26,646 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [340441143] [2020-10-13 15:50:26,646 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 15:50:26,646 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-13 15:50:26,646 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [116981108] [2020-10-13 15:50:26,647 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-13 15:50:26,647 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 15:50:26,647 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-13 15:50:26,647 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2020-10-13 15:50:26,647 INFO L87 Difference]: Start difference. First operand 1410 states and 1780 transitions. Second operand 10 states. [2020-10-13 15:50:26,815 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 144 [2020-10-13 15:50:29,027 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 145