/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.2 --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/systemc/token_ring.15.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-15 04:54:35,267 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-15 04:54:35,270 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-15 04:54:35,309 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-15 04:54:35,309 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-15 04:54:35,317 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-15 04:54:35,319 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-15 04:54:35,322 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-15 04:54:35,325 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-15 04:54:35,329 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-15 04:54:35,330 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-15 04:54:35,331 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-15 04:54:35,331 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-15 04:54:35,335 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-15 04:54:35,336 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-15 04:54:35,338 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-15 04:54:35,339 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-15 04:54:35,341 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-15 04:54:35,342 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-15 04:54:35,350 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-15 04:54:35,352 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-15 04:54:35,353 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-15 04:54:35,354 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-15 04:54:35,354 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-15 04:54:35,366 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-15 04:54:35,366 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-15 04:54:35,367 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-15 04:54:35,367 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-15 04:54:35,368 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-15 04:54:35,369 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-15 04:54:35,369 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-15 04:54:35,371 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-15 04:54:35,371 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-15 04:54:35,372 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-15 04:54:35,373 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-15 04:54:35,373 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-15 04:54:35,374 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-15 04:54:35,374 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-15 04:54:35,374 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-15 04:54:35,375 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-15 04:54:35,376 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-15 04:54:35,377 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-15 04:54:35,408 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-15 04:54:35,408 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-15 04:54:35,409 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-15 04:54:35,409 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-15 04:54:35,409 INFO L138 SettingsManager]: * Use SBE=true [2020-10-15 04:54:35,410 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-15 04:54:35,410 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-15 04:54:35,410 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-15 04:54:35,410 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-15 04:54:35,410 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-15 04:54:35,411 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-15 04:54:35,411 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-15 04:54:35,411 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-15 04:54:35,411 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-15 04:54:35,411 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-15 04:54:35,412 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-15 04:54:35,412 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-15 04:54:35,412 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-15 04:54:35,412 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-15 04:54:35,412 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-15 04:54:35,413 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-15 04:54:35,413 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-15 04:54:35,413 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-15 04:54:35,413 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-15 04:54:35,413 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-15 04:54:35,414 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-15 04:54:35,414 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-15 04:54:35,414 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-15 04:54:35,414 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-15 04:54:35,414 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; [2020-10-15 04:54:35,698 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-15 04:54:35,711 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-15 04:54:35,714 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-15 04:54:35,716 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-15 04:54:35,716 INFO L275 PluginConnector]: CDTParser initialized [2020-10-15 04:54:35,717 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/systemc/token_ring.15.cil.c [2020-10-15 04:54:35,772 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/aed2d666e/f81378cc5cef4c7a9c08a8c41b6d10b8/FLAG9e1ec2249 [2020-10-15 04:54:36,292 INFO L306 CDTParser]: Found 1 translation units. [2020-10-15 04:54:36,292 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/systemc/token_ring.15.cil.c [2020-10-15 04:54:36,306 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/aed2d666e/f81378cc5cef4c7a9c08a8c41b6d10b8/FLAG9e1ec2249 [2020-10-15 04:54:36,631 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/aed2d666e/f81378cc5cef4c7a9c08a8c41b6d10b8 [2020-10-15 04:54:36,639 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-15 04:54:36,641 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-15 04:54:36,642 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-15 04:54:36,642 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-15 04:54:36,647 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-15 04:54:36,648 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 04:54:36" (1/1) ... [2020-10-15 04:54:36,651 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@742d25d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:54:36, skipping insertion in model container [2020-10-15 04:54:36,652 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 04:54:36" (1/1) ... [2020-10-15 04:54:36,660 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-15 04:54:36,723 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-15 04:54:37,218 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-15 04:54:37,229 INFO L203 MainTranslator]: Completed pre-run [2020-10-15 04:54:37,381 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-15 04:54:37,421 INFO L208 MainTranslator]: Completed translation [2020-10-15 04:54:37,421 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:54:37 WrapperNode [2020-10-15 04:54:37,422 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-15 04:54:37,422 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-15 04:54:37,423 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-15 04:54:37,423 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-15 04:54:37,433 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:54:37" (1/1) ... [2020-10-15 04:54:37,434 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:54:37" (1/1) ... [2020-10-15 04:54:37,449 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:54:37" (1/1) ... [2020-10-15 04:54:37,450 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:54:37" (1/1) ... [2020-10-15 04:54:37,480 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:54:37" (1/1) ... [2020-10-15 04:54:37,507 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:54:37" (1/1) ... [2020-10-15 04:54:37,512 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:54:37" (1/1) ... [2020-10-15 04:54:37,520 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-15 04:54:37,521 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-15 04:54:37,521 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-15 04:54:37,521 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-15 04:54:37,522 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:54:37" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-15 04:54:37,598 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-15 04:54:37,599 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-15 04:54:37,599 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2020-10-15 04:54:37,599 INFO L138 BoogieDeclarations]: Found implementation of procedure master [2020-10-15 04:54:37,599 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit1 [2020-10-15 04:54:37,599 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit2 [2020-10-15 04:54:37,599 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit3 [2020-10-15 04:54:37,600 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit4 [2020-10-15 04:54:37,601 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit5 [2020-10-15 04:54:37,601 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit6 [2020-10-15 04:54:37,601 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit7 [2020-10-15 04:54:37,601 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit8 [2020-10-15 04:54:37,601 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit9 [2020-10-15 04:54:37,602 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit10 [2020-10-15 04:54:37,602 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit11 [2020-10-15 04:54:37,603 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit12 [2020-10-15 04:54:37,603 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit13 [2020-10-15 04:54:37,603 INFO L138 BoogieDeclarations]: Found implementation of procedure is_master_triggered [2020-10-15 04:54:37,603 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit1_triggered [2020-10-15 04:54:37,603 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit2_triggered [2020-10-15 04:54:37,604 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit3_triggered [2020-10-15 04:54:37,604 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit4_triggered [2020-10-15 04:54:37,604 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit5_triggered [2020-10-15 04:54:37,605 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit6_triggered [2020-10-15 04:54:37,605 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit7_triggered [2020-10-15 04:54:37,606 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit8_triggered [2020-10-15 04:54:37,606 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit9_triggered [2020-10-15 04:54:37,606 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit10_triggered [2020-10-15 04:54:37,606 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit11_triggered [2020-10-15 04:54:37,606 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit12_triggered [2020-10-15 04:54:37,607 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit13_triggered [2020-10-15 04:54:37,607 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels [2020-10-15 04:54:37,607 INFO L138 BoogieDeclarations]: Found implementation of procedure init_threads [2020-10-15 04:54:37,607 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2020-10-15 04:54:37,607 INFO L138 BoogieDeclarations]: Found implementation of procedure eval [2020-10-15 04:54:37,608 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events [2020-10-15 04:54:37,608 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events [2020-10-15 04:54:37,608 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads [2020-10-15 04:54:37,608 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2020-10-15 04:54:37,608 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_time_events [2020-10-15 04:54:37,608 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_time_events [2020-10-15 04:54:37,608 INFO L138 BoogieDeclarations]: Found implementation of procedure init_model [2020-10-15 04:54:37,609 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_simulation [2020-10-15 04:54:37,609 INFO L138 BoogieDeclarations]: Found implementation of procedure start_simulation [2020-10-15 04:54:37,609 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-15 04:54:37,609 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-15 04:54:37,609 INFO L130 BoogieDeclarations]: Found specification of procedure error [2020-10-15 04:54:37,609 INFO L130 BoogieDeclarations]: Found specification of procedure is_master_triggered [2020-10-15 04:54:37,610 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit1_triggered [2020-10-15 04:54:37,610 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit2_triggered [2020-10-15 04:54:37,610 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit3_triggered [2020-10-15 04:54:37,610 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit4_triggered [2020-10-15 04:54:37,611 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit5_triggered [2020-10-15 04:54:37,611 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit6_triggered [2020-10-15 04:54:37,611 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit7_triggered [2020-10-15 04:54:37,611 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit8_triggered [2020-10-15 04:54:37,611 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit9_triggered [2020-10-15 04:54:37,611 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit10_triggered [2020-10-15 04:54:37,612 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit11_triggered [2020-10-15 04:54:37,612 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit12_triggered [2020-10-15 04:54:37,612 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit13_triggered [2020-10-15 04:54:37,612 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2020-10-15 04:54:37,613 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-15 04:54:37,613 INFO L130 BoogieDeclarations]: Found specification of procedure master [2020-10-15 04:54:37,613 INFO L130 BoogieDeclarations]: Found specification of procedure transmit1 [2020-10-15 04:54:37,613 INFO L130 BoogieDeclarations]: Found specification of procedure transmit2 [2020-10-15 04:54:37,613 INFO L130 BoogieDeclarations]: Found specification of procedure transmit3 [2020-10-15 04:54:37,613 INFO L130 BoogieDeclarations]: Found specification of procedure transmit4 [2020-10-15 04:54:37,614 INFO L130 BoogieDeclarations]: Found specification of procedure transmit5 [2020-10-15 04:54:37,614 INFO L130 BoogieDeclarations]: Found specification of procedure transmit6 [2020-10-15 04:54:37,615 INFO L130 BoogieDeclarations]: Found specification of procedure transmit7 [2020-10-15 04:54:37,616 INFO L130 BoogieDeclarations]: Found specification of procedure transmit8 [2020-10-15 04:54:37,616 INFO L130 BoogieDeclarations]: Found specification of procedure transmit9 [2020-10-15 04:54:37,616 INFO L130 BoogieDeclarations]: Found specification of procedure transmit10 [2020-10-15 04:54:37,616 INFO L130 BoogieDeclarations]: Found specification of procedure transmit11 [2020-10-15 04:54:37,617 INFO L130 BoogieDeclarations]: Found specification of procedure transmit12 [2020-10-15 04:54:37,617 INFO L130 BoogieDeclarations]: Found specification of procedure transmit13 [2020-10-15 04:54:37,617 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels [2020-10-15 04:54:37,617 INFO L130 BoogieDeclarations]: Found specification of procedure init_threads [2020-10-15 04:54:37,617 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2020-10-15 04:54:37,617 INFO L130 BoogieDeclarations]: Found specification of procedure eval [2020-10-15 04:54:37,618 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events [2020-10-15 04:54:37,618 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events [2020-10-15 04:54:37,618 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads [2020-10-15 04:54:37,618 INFO L130 BoogieDeclarations]: Found specification of procedure fire_time_events [2020-10-15 04:54:37,618 INFO L130 BoogieDeclarations]: Found specification of procedure reset_time_events [2020-10-15 04:54:37,618 INFO L130 BoogieDeclarations]: Found specification of procedure init_model [2020-10-15 04:54:37,619 INFO L130 BoogieDeclarations]: Found specification of procedure stop_simulation [2020-10-15 04:54:37,619 INFO L130 BoogieDeclarations]: Found specification of procedure start_simulation [2020-10-15 04:54:37,620 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-15 04:54:37,620 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-15 04:54:37,620 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-15 04:54:38,945 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-15 04:54:38,946 INFO L295 CfgBuilder]: Removed 16 assume(true) statements. [2020-10-15 04:54:38,954 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 04:54:38 BoogieIcfgContainer [2020-10-15 04:54:38,954 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-15 04:54:38,955 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-15 04:54:38,955 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-15 04:54:38,958 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-15 04:54:38,959 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 04:54:36" (1/3) ... [2020-10-15 04:54:38,959 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b2cfa11 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 04:54:38, skipping insertion in model container [2020-10-15 04:54:38,959 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:54:37" (2/3) ... [2020-10-15 04:54:38,960 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b2cfa11 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 04:54:38, skipping insertion in model container [2020-10-15 04:54:38,960 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 04:54:38" (3/3) ... [2020-10-15 04:54:38,962 INFO L109 eAbstractionObserver]: Analyzing ICFG token_ring.15.cil.c [2020-10-15 04:54:38,972 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-15 04:54:38,980 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-15 04:54:38,994 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-15 04:54:39,020 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-15 04:54:39,020 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-15 04:54:39,020 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-15 04:54:39,020 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-15 04:54:39,020 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-15 04:54:39,021 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-15 04:54:39,021 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-15 04:54:39,021 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-15 04:54:39,048 INFO L276 IsEmpty]: Start isEmpty. Operand 509 states. [2020-10-15 04:54:39,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2020-10-15 04:54:39,069 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 04:54:39,071 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 04:54:39,071 INFO L427 AbstractCegarLoop]: === Iteration 1 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 04:54:39,077 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 04:54:39,078 INFO L82 PathProgramCache]: Analyzing trace with hash -1434129213, now seen corresponding path program 1 times [2020-10-15 04:54:39,086 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 04:54:39,087 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1615685696] [2020-10-15 04:54:39,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 04:54:39,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:54:39,696 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:54:39,870 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:54:40,034 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:54:40,318 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:54:40,401 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:54:40,959 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:54:44,453 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:54:44,454 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 302 [2020-10-15 04:54:44,454 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-15 04:54:44,454 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5007 [2020-10-15 04:54:44,457 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:54:44,458 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:54:44,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-15 04:54:44,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 04:54:44,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 45 [2020-10-15 04:54:44,459 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-15 04:54:44,947 WARN L193 SmtUtils]: Spent 359.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2020-10-15 04:54:44,950 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 04:54:44,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:54:44,974 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:54:45,004 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:54:45,005 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 04:54:45,005 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:54:45,005 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-10-15 04:54:45,006 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:54:45,006 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:54:45,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:54:45,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:54:45,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-15 04:54:45,007 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:54:45,058 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 04:54:45,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:54:45,065 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:54:45,072 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:54:45,072 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 04:54:45,072 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:54:45,073 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-15 04:54:45,073 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:54:45,073 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:54:45,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:54:45,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:54:45,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 04:54:45,074 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:54:45,078 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-15 04:54:45,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:54:45,080 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:54:45,082 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:54:45,082 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 04:54:45,082 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:54:45,082 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 04:54:45,083 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:54:45,083 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:54:45,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:54:45,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:54:45,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-15 04:54:45,084 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:54:45,129 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-15 04:54:45,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:54:45,138 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:54:45,155 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:54:45,156 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-15 04:54:45,156 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:54:45,156 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-15 04:54:45,156 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:54:45,157 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:54:45,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:54:45,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:54:45,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-15 04:54:45,158 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:54:45,252 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-15 04:54:45,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:54:45,268 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:54:45,318 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:54:45,318 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-15 04:54:45,318 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:54:45,319 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 56 [2020-10-15 04:54:45,319 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:54:45,319 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:54:45,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 04:54:45,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-15 04:54:45,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 35 [2020-10-15 04:54:45,320 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:54:45,356 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2020-10-15 04:54:45,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:54:45,415 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:54:45,489 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:54:45,518 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:54:45,536 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:54:45,597 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:54:46,869 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:54:50,397 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:54:50,398 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 162 [2020-10-15 04:54:50,398 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-15 04:54:50,398 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-15 04:54:50,399 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:54:50,399 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:54:50,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-15 04:54:50,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 52 [2020-10-15 04:54:50,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 04:54:50,400 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:54:50,470 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 04:54:50,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:54:50,471 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:54:50,473 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:54:50,473 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:54:50,474 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:54:50,474 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:54:50,474 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:54:50,474 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:54:50,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:54:50,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:54:50,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:54:50,475 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:54:50,477 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-15 04:54:50,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:54:50,479 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:54:50,480 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:54:50,481 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:54:50,481 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:54:50,481 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:54:50,481 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:54:50,482 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:54:50,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:54:50,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:54:50,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:54:50,483 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:54:50,485 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-15 04:54:50,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:54:50,486 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:54:50,488 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:54:50,488 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:54:50,488 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:54:50,488 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:54:50,489 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:54:50,489 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:54:50,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:54:50,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:54:50,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:54:50,490 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:54:50,492 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-15 04:54:50,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:54:50,493 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:54:50,495 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:54:50,495 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:54:50,495 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:54:50,495 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:54:50,496 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:54:50,496 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:54:50,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:54:50,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:54:50,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:54:50,497 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:54:50,498 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-15 04:54:50,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:54:50,501 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:54:50,505 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:54:50,506 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:54:50,506 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:54:50,506 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 04:54:50,506 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:54:50,507 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:54:50,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 04:54:50,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:54:50,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-15 04:54:50,508 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:54:50,541 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-15 04:54:50,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:54:50,543 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:54:50,544 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:54:50,545 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:54:50,545 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:54:50,545 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 04:54:50,545 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:54:50,546 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:54:50,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:54:50,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-15 04:54:50,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:54:50,547 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:54:50,548 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-15 04:54:50,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:54:50,551 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:54:50,552 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:54:50,552 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:54:50,553 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:54:50,553 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 04:54:50,553 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:54:50,553 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:54:50,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:54:50,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-15 04:54:50,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:54:50,554 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:54:50,556 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-15 04:54:50,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:54:50,558 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:54:50,560 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:54:50,560 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:54:50,560 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:54:50,561 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 04:54:50,561 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:54:50,561 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:54:50,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:54:50,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-15 04:54:50,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:54:50,562 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:54:50,564 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-15 04:54:50,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:54:50,566 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:54:50,567 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:54:50,568 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:54:50,568 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:54:50,568 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 04:54:50,569 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:54:50,569 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:54:50,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:54:50,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-15 04:54:50,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:54:50,570 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:54:50,571 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-15 04:54:50,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:54:50,574 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:54:50,575 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:54:50,576 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:54:50,576 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:54:50,576 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 04:54:50,576 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:54:50,577 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:54:50,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:54:50,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-15 04:54:50,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:54:50,578 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:54:50,579 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-15 04:54:50,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:54:50,581 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:54:50,582 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:54:50,583 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:54:50,583 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:54:50,583 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:54:50,583 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:54:50,584 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:54:50,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:54:50,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-15 04:54:50,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:54:50,584 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:54:50,586 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-15 04:54:50,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:54:50,589 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:54:50,590 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:54:50,591 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:54:50,591 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:54:50,591 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 04:54:50,591 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:54:50,592 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:54:50,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:54:50,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-15 04:54:50,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:54:50,593 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:54:50,594 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-15 04:54:50,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:54:50,597 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:54:50,598 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:54:50,598 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:54:50,599 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:54:50,599 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 04:54:50,599 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:54:50,600 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:54:50,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:54:50,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-15 04:54:50,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:54:50,601 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:54:50,603 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-15 04:54:50,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:54:50,605 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:54:50,606 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:54:50,607 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:54:50,607 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:54:50,607 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:54:50,607 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:54:50,608 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:54:50,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:54:50,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-15 04:54:50,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:54:50,609 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:54:50,625 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2020-10-15 04:54:50,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:54:50,634 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:54:50,644 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:54:50,645 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-15 04:54:50,645 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:54:50,645 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-15 04:54:50,645 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:54:50,646 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:54:50,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:54:50,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 32 [2020-10-15 04:54:50,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:54:50,646 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:54:50,653 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2020-10-15 04:54:50,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:54:50,655 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:54:50,657 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:54:50,657 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 04:54:50,657 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:54:50,658 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 04:54:50,658 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:54:50,658 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:54:50,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:54:50,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-15 04:54:50,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:54:50,659 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:54:50,788 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 04:54:50,789 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1615685696] [2020-10-15 04:54:50,791 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 04:54:50,791 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-15 04:54:50,792 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [236879557] [2020-10-15 04:54:50,798 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-15 04:54:50,799 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 04:54:50,813 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-15 04:54:50,814 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2020-10-15 04:54:50,817 INFO L87 Difference]: Start difference. First operand 509 states. Second operand 12 states. [2020-10-15 04:54:51,204 WARN L193 SmtUtils]: Spent 302.00 ms on a formula simplification that was a NOOP. DAG size: 219 [2020-10-15 04:54:51,384 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2020-10-15 04:54:51,619 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2020-10-15 04:54:53,733 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 222 [2020-10-15 04:54:54,008 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 224 [2020-10-15 04:54:54,317 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 222 [2020-10-15 04:54:54,465 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 132 [2020-10-15 04:54:54,742 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 223 [2020-10-15 04:54:54,898 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2020-10-15 04:55:01,556 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-15 04:55:02,095 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 220 [2020-10-15 04:55:02,369 WARN L193 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 222 [2020-10-15 04:55:02,664 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 220 [2020-10-15 04:55:02,810 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-15 04:55:03,130 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 221 [2020-10-15 04:55:03,265 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 131 [2020-10-15 04:55:08,681 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 04:55:08,681 INFO L93 Difference]: Finished difference Result 2153 states and 3633 transitions. [2020-10-15 04:55:08,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2020-10-15 04:55:08,684 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 246 [2020-10-15 04:55:08,685 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 04:55:08,733 INFO L225 Difference]: With dead ends: 2153 [2020-10-15 04:55:08,734 INFO L226 Difference]: Without dead ends: 1656 [2020-10-15 04:55:08,749 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 225 ImplicationChecksByTransitivity, 4.3s TimeCoverageRelationStatistics Valid=232, Invalid=824, Unknown=0, NotChecked=0, Total=1056 [2020-10-15 04:55:08,782 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1656 states. [2020-10-15 04:55:09,161 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1656 to 995. [2020-10-15 04:55:09,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 995 states. [2020-10-15 04:55:09,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 995 states to 995 states and 1477 transitions. [2020-10-15 04:55:09,173 INFO L78 Accepts]: Start accepts. Automaton has 995 states and 1477 transitions. Word has length 246 [2020-10-15 04:55:09,173 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 04:55:09,173 INFO L479 AbstractCegarLoop]: Abstraction has 995 states and 1477 transitions. [2020-10-15 04:55:09,173 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-15 04:55:09,174 INFO L276 IsEmpty]: Start isEmpty. Operand 995 states and 1477 transitions. [2020-10-15 04:55:09,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2020-10-15 04:55:09,180 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 04:55:09,181 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 04:55:09,181 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-15 04:55:09,181 INFO L427 AbstractCegarLoop]: === Iteration 2 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 04:55:09,182 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 04:55:09,182 INFO L82 PathProgramCache]: Analyzing trace with hash 419666565, now seen corresponding path program 1 times [2020-10-15 04:55:09,182 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 04:55:09,183 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [212779951] [2020-10-15 04:55:09,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 04:55:09,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:55:09,268 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:55:09,322 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:55:09,381 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:55:09,512 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:55:09,567 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:55:10,533 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:55:10,764 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:55:10,843 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:55:10,916 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:55:10,963 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:55:11,073 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:55:11,157 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:55:11,327 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:55:11,391 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:55:11,452 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:55:11,506 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:55:11,560 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:55:11,605 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:55:11,651 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:55:11,702 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:55:11,758 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:55:11,806 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:55:11,850 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:55:11,938 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:55:12,024 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:55:12,099 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:55:12,183 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:55:12,616 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:55:12,717 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:55:12,820 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:55:12,904 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:55:12,997 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:55:13,707 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:55:14,277 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:55:14,277 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 302 [2020-10-15 04:55:14,277 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 33 [2020-10-15 04:55:14,278 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5037 [2020-10-15 04:55:14,278 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:55:14,278 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:55:14,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-15 04:55:14,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 04:55:14,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 149 [2020-10-15 04:55:14,279 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:55:14,588 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2020-10-15 04:55:14,589 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 04:55:14,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:55:14,607 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:55:14,628 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:55:14,628 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 04:55:14,628 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:55:14,628 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-15 04:55:14,629 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:55:14,629 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:55:14,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:55:14,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:55:14,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-15 04:55:14,630 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:55:14,675 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 04:55:14,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:55:14,682 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:55:14,688 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:55:14,688 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 04:55:14,689 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:55:14,689 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-15 04:55:14,689 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:55:14,690 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:55:14,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:55:14,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:55:14,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 04:55:14,692 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-15 04:55:14,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-15 04:55:14,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:55:14,697 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:55:14,699 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:55:14,699 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 04:55:14,699 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:55:14,700 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:55:14,700 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:55:14,700 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:55:14,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:55:14,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:55:14,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-15 04:55:14,702 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:55:14,750 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-15 04:55:14,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:55:14,760 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:55:14,772 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:55:14,773 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-15 04:55:14,773 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:55:14,774 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-15 04:55:14,774 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:55:14,774 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:55:14,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:55:14,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:55:14,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-15 04:55:14,776 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:55:14,879 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-15 04:55:14,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:55:14,894 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:55:14,918 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:55:14,918 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-15 04:55:14,919 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:55:14,919 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-10-15 04:55:14,919 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:55:14,920 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:55:14,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:55:14,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:55:14,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 32 [2020-10-15 04:55:14,921 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:55:14,932 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2020-10-15 04:55:14,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:55:14,983 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:55:15,021 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:55:15,048 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:55:15,069 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:55:15,092 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:55:19,965 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:55:19,966 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 162 [2020-10-15 04:55:19,966 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-15 04:55:19,966 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5006 [2020-10-15 04:55:19,966 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:55:19,966 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:55:19,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:55:19,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 73 [2020-10-15 04:55:19,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 87 [2020-10-15 04:55:19,967 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:55:19,997 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 04:55:19,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:55:19,998 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:55:19,999 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:55:20,000 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:55:20,000 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:55:20,000 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:55:20,000 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:55:20,000 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:55:20,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:55:20,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:55:20,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:55:20,001 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:55:20,003 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-15 04:55:20,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:55:20,004 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:55:20,005 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:55:20,006 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:55:20,006 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:55:20,006 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:55:20,006 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:55:20,006 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:55:20,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:55:20,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:55:20,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:55:20,007 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:55:20,008 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-15 04:55:20,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:55:20,010 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:55:20,011 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:55:20,011 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:55:20,011 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:55:20,011 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:55:20,012 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:55:20,012 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:55:20,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:55:20,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:55:20,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:55:20,013 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:55:20,014 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-15 04:55:20,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:55:20,015 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:55:20,016 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:55:20,016 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:55:20,017 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:55:20,017 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:55:20,017 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:55:20,017 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:55:20,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:55:20,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:55:20,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:55:20,018 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:55:20,019 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-15 04:55:20,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:55:20,020 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:55:20,021 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:55:20,022 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:55:20,022 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:55:20,022 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:55:20,022 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:55:20,022 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:55:20,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:55:20,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:55:20,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:55:20,023 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:55:20,024 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-15 04:55:20,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:55:20,025 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:55:20,026 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:55:20,027 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:55:20,027 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:55:20,027 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:55:20,027 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:55:20,028 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:55:20,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:55:20,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:55:20,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:55:20,028 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:55:20,029 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-15 04:55:20,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:55:20,031 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:55:20,034 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:55:20,034 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:55:20,034 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:55:20,034 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 04:55:20,035 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:55:20,035 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:55:20,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:55:20,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:55:20,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-15 04:55:20,036 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:55:20,038 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-15 04:55:20,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:55:20,041 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:55:20,043 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:55:20,044 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:55:20,044 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:55:20,044 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 04:55:20,044 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:55:20,044 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:55:20,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:55:20,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:55:20,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 04:55:20,045 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:55:20,047 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-15 04:55:20,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:55:20,049 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:55:20,051 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:55:20,051 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:55:20,051 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:55:20,052 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 04:55:20,052 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:55:20,052 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:55:20,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:55:20,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:55:20,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 04:55:20,053 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:55:20,054 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-15 04:55:20,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:55:20,056 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:55:20,058 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:55:20,059 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:55:20,059 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:55:20,059 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 04:55:20,059 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:55:20,059 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:55:20,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:55:20,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:55:20,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 04:55:20,060 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:55:20,062 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-15 04:55:20,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:55:20,063 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:55:20,065 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:55:20,066 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:55:20,066 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:55:20,066 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 04:55:20,066 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:55:20,067 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:55:20,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:55:20,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:55:20,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 04:55:20,067 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:55:20,069 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-15 04:55:20,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:55:20,071 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:55:20,074 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:55:20,074 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:55:20,074 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:55:20,075 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 04:55:20,075 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:55:20,075 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:55:20,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:55:20,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:55:20,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 04:55:20,076 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:55:20,078 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-15 04:55:20,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:55:20,080 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:55:20,082 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:55:20,082 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:55:20,083 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:55:20,083 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 04:55:20,083 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:55:20,083 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:55:20,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:55:20,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:55:20,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 04:55:20,084 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:55:20,086 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-15 04:55:20,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:55:20,088 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:55:20,090 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:55:20,090 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:55:20,090 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:55:20,090 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 04:55:20,091 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:55:20,091 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:55:20,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:55:20,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:55:20,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 04:55:20,092 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:55:20,127 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2020-10-15 04:55:20,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:55:20,136 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:55:20,144 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:55:20,145 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-15 04:55:20,145 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:55:20,145 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-15 04:55:20,146 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:55:20,146 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:55:20,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:55:20,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 32 [2020-10-15 04:55:20,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:55:20,147 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:55:20,153 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2020-10-15 04:55:20,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:55:20,155 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:55:20,156 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:55:20,156 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 04:55:20,156 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:55:20,156 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:55:20,157 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:55:20,157 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:55:20,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:55:20,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-15 04:55:20,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:55:20,158 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:55:20,258 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 04:55:20,258 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [212779951] [2020-10-15 04:55:20,259 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 04:55:20,259 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-15 04:55:20,260 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1382554126] [2020-10-15 04:55:20,263 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-15 04:55:20,263 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 04:55:20,264 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-15 04:55:20,264 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-10-15 04:55:20,265 INFO L87 Difference]: Start difference. First operand 995 states and 1477 transitions. Second operand 8 states. [2020-10-15 04:55:20,558 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 219 [2020-10-15 04:55:20,685 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-15 04:55:20,862 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-15 04:55:24,465 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-15 04:55:25,148 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 219 [2020-10-15 04:55:35,492 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 04:55:35,492 INFO L93 Difference]: Finished difference Result 4028 states and 6298 transitions. [2020-10-15 04:55:35,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-15 04:55:35,493 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 246 [2020-10-15 04:55:35,494 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 04:55:35,516 INFO L225 Difference]: With dead ends: 4028 [2020-10-15 04:55:35,516 INFO L226 Difference]: Without dead ends: 3065 [2020-10-15 04:55:35,522 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=74, Invalid=198, Unknown=0, NotChecked=0, Total=272 [2020-10-15 04:55:35,527 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3065 states. [2020-10-15 04:55:35,847 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3065 to 2011. [2020-10-15 04:55:35,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2011 states. [2020-10-15 04:55:35,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2011 states to 2011 states and 3009 transitions. [2020-10-15 04:55:35,855 INFO L78 Accepts]: Start accepts. Automaton has 2011 states and 3009 transitions. Word has length 246 [2020-10-15 04:55:35,856 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 04:55:35,856 INFO L479 AbstractCegarLoop]: Abstraction has 2011 states and 3009 transitions. [2020-10-15 04:55:35,856 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-15 04:55:35,856 INFO L276 IsEmpty]: Start isEmpty. Operand 2011 states and 3009 transitions. [2020-10-15 04:55:35,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2020-10-15 04:55:35,860 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 04:55:35,860 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 04:55:35,861 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-15 04:55:35,861 INFO L427 AbstractCegarLoop]: === Iteration 3 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 04:55:35,861 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 04:55:35,861 INFO L82 PathProgramCache]: Analyzing trace with hash -1359791546, now seen corresponding path program 1 times [2020-10-15 04:55:35,862 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 04:55:35,862 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1199791320] [2020-10-15 04:55:35,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 04:55:35,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:55:35,932 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:55:35,977 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:55:36,028 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:55:36,130 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:55:36,171 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:55:36,328 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:55:39,224 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:55:39,305 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:55:39,366 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:55:39,430 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:55:39,692 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:55:39,726 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:55:40,028 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:55:40,064 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:55:40,098 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:55:40,133 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:55:40,172 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:55:40,206 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:55:40,237 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:55:40,267 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:55:40,300 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:55:40,333 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:55:40,374 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:55:40,432 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:55:40,535 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:55:40,594 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:55:40,654 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:55:40,712 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:55:40,924 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:55:40,924 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 302 [2020-10-15 04:55:40,924 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 28 [2020-10-15 04:55:40,924 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5017 [2020-10-15 04:55:40,925 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:55:40,925 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:55:40,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-15 04:55:40,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 04:55:40,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 171 [2020-10-15 04:55:40,926 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:55:41,375 WARN L193 SmtUtils]: Spent 398.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2020-10-15 04:55:41,378 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 04:55:41,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:55:41,397 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:55:41,415 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:55:41,416 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 04:55:41,416 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:55:41,416 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-15 04:55:41,417 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:55:41,417 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:55:41,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:55:41,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:55:41,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-15 04:55:41,418 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:55:41,488 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 04:55:41,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:55:41,494 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:55:41,499 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:55:41,500 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 04:55:41,500 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:55:41,500 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-15 04:55:41,501 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:55:41,501 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:55:41,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:55:41,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:55:41,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 04:55:41,502 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:55:41,505 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-15 04:55:41,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:55:41,508 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:55:41,509 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:55:41,509 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 04:55:41,510 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:55:41,510 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:55:41,510 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:55:41,511 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:55:41,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:55:41,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:55:41,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-15 04:55:41,512 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:55:41,564 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-15 04:55:41,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:55:41,572 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:55:41,586 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:55:41,586 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-15 04:55:41,587 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:55:41,587 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-15 04:55:41,587 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:55:41,588 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:55:41,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:55:41,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:55:41,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-15 04:55:41,589 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:55:41,698 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-15 04:55:41,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:55:41,711 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:55:41,731 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:55:41,731 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-15 04:55:41,732 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:55:41,732 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-15 04:55:41,733 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:55:41,733 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:55:41,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:55:41,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:55:41,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 32 [2020-10-15 04:55:41,734 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:55:41,751 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2020-10-15 04:55:41,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:55:41,784 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:55:41,811 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:55:41,837 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:55:41,857 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:55:42,059 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:55:46,769 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:55:46,770 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 162 [2020-10-15 04:55:46,770 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-15 04:55:46,770 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-15 04:55:46,770 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:55:46,770 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:55:46,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-15 04:55:46,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 118 [2020-10-15 04:55:46,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 04:55:46,771 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:55:46,796 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 04:55:46,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:55:46,798 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:55:46,799 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:55:46,799 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:55:46,799 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:55:46,799 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:55:46,800 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:55:46,800 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:55:46,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:55:46,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:55:46,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:55:46,801 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:55:46,802 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-15 04:55:46,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:55:46,803 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:55:46,804 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:55:46,804 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:55:46,805 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:55:46,805 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:55:46,805 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:55:46,805 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:55:46,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:55:46,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:55:46,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:55:46,806 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:55:46,807 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-15 04:55:46,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:55:46,809 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:55:46,809 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:55:46,810 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:55:46,810 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:55:46,810 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:55:46,810 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:55:46,810 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:55:46,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:55:46,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:55:46,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:55:46,811 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:55:46,812 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-15 04:55:46,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:55:46,814 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:55:46,815 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:55:46,815 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:55:46,815 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:55:46,815 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:55:46,815 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:55:46,816 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:55:46,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:55:46,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:55:46,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:55:46,817 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:55:46,818 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-15 04:55:46,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:55:46,819 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:55:46,820 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:55:46,820 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:55:46,820 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:55:46,820 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:55:46,821 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:55:46,821 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:55:46,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:55:46,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:55:46,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:55:46,822 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:55:46,823 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-15 04:55:46,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:55:46,824 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:55:46,825 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:55:46,825 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:55:46,825 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:55:46,825 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:55:46,825 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:55:46,826 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:55:46,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:55:46,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:55:46,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:55:46,826 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:55:46,827 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-15 04:55:46,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:55:46,828 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:55:46,829 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:55:46,830 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:55:46,830 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:55:46,830 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:55:46,830 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:55:46,830 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:55:46,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:55:46,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:55:46,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:55:46,831 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:55:46,832 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-15 04:55:46,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:55:46,833 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:55:46,834 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:55:46,835 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:55:46,835 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:55:46,835 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:55:46,835 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:55:46,835 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:55:46,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:55:46,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:55:46,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:55:46,836 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:55:46,837 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-15 04:55:46,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:55:46,838 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:55:46,839 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:55:46,840 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:55:46,840 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:55:46,840 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:55:46,840 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:55:46,841 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:55:46,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:55:46,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:55:46,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:55:46,841 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:55:46,843 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-15 04:55:46,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:55:46,844 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:55:46,845 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:55:46,845 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:55:46,845 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:55:46,845 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:55:46,846 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:55:46,846 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:55:46,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:55:46,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:55:46,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:55:46,847 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:55:46,848 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-15 04:55:46,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:55:46,850 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:55:46,853 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:55:46,853 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:55:46,853 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:55:46,853 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 04:55:46,854 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:55:46,854 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:55:46,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 04:55:46,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:55:46,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-15 04:55:46,855 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:55:46,895 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-15 04:55:46,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:55:46,898 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:55:46,900 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:55:46,900 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:55:46,900 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:55:46,900 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 04:55:46,901 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:55:46,901 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:55:46,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:55:46,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-15 04:55:46,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:55:46,902 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:55:46,903 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-15 04:55:46,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:55:46,906 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:55:46,915 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:55:46,915 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:55:46,916 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:55:46,916 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-15 04:55:46,916 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:55:46,916 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:55:46,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:55:46,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-15 04:55:46,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:55:46,917 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:55:46,918 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-15 04:55:46,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:55:46,920 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:55:46,921 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:55:46,921 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:55:46,921 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:55:46,921 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:55:46,922 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:55:46,922 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:55:46,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:55:46,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-15 04:55:46,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:55:46,922 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:55:46,934 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2020-10-15 04:55:46,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:55:46,940 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:55:46,947 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:55:46,948 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-15 04:55:46,948 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:55:46,948 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-15 04:55:46,948 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:55:46,948 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:55:46,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:55:46,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 32 [2020-10-15 04:55:46,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:55:46,950 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:55:46,957 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2020-10-15 04:55:46,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:55:46,959 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:55:46,960 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:55:46,961 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 04:55:46,961 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:55:46,961 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:55:46,962 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:55:46,962 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:55:46,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:55:46,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-15 04:55:46,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:55:46,963 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:55:47,150 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 04:55:47,151 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1199791320] [2020-10-15 04:55:47,151 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 04:55:47,152 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-15 04:55:47,152 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [112568689] [2020-10-15 04:55:47,153 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-15 04:55:47,153 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 04:55:47,154 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-15 04:55:47,154 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2020-10-15 04:55:47,155 INFO L87 Difference]: Start difference. First operand 2011 states and 3009 transitions. Second operand 12 states. [2020-10-15 04:55:47,486 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 219 [2020-10-15 04:55:47,615 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-15 04:55:47,805 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-15 04:55:50,152 WARN L193 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 222 [2020-10-15 04:55:50,439 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2020-10-15 04:55:50,596 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 132 [2020-10-15 04:55:50,886 WARN L193 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 221 [2020-10-15 04:55:51,036 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 132 [2020-10-15 04:55:51,326 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 221 [2020-10-15 04:55:54,064 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-15 04:55:57,352 WARN L193 SmtUtils]: Spent 444.00 ms on a formula simplification that was a NOOP. DAG size: 220 [2020-10-15 04:55:59,229 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 131 [2020-10-15 04:55:59,730 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 221 [2020-10-15 04:56:00,033 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 224 [2020-10-15 04:56:00,345 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 224 [2020-10-15 04:56:00,662 WARN L193 SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-10-15 04:56:00,828 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-15 04:56:01,110 WARN L193 SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 220 [2020-10-15 04:56:01,288 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2020-10-15 04:56:01,608 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 223 [2020-10-15 04:56:01,764 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-15 04:56:02,074 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 220 [2020-10-15 04:56:02,238 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2020-10-15 04:56:02,529 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 223 [2020-10-15 04:56:16,409 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 04:56:16,409 INFO L93 Difference]: Finished difference Result 11208 states and 18202 transitions. [2020-10-15 04:56:16,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2020-10-15 04:56:16,411 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 246 [2020-10-15 04:56:16,411 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 04:56:16,525 INFO L225 Difference]: With dead ends: 11208 [2020-10-15 04:56:16,525 INFO L226 Difference]: Without dead ends: 9229 [2020-10-15 04:56:16,539 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 426 ImplicationChecksByTransitivity, 6.5s TimeCoverageRelationStatistics Valid=380, Invalid=1260, Unknown=0, NotChecked=0, Total=1640 [2020-10-15 04:56:16,549 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9229 states. [2020-10-15 04:56:17,596 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9229 to 6387. [2020-10-15 04:56:17,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6387 states. [2020-10-15 04:56:17,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6387 states to 6387 states and 9731 transitions. [2020-10-15 04:56:17,619 INFO L78 Accepts]: Start accepts. Automaton has 6387 states and 9731 transitions. Word has length 246 [2020-10-15 04:56:17,619 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 04:56:17,619 INFO L479 AbstractCegarLoop]: Abstraction has 6387 states and 9731 transitions. [2020-10-15 04:56:17,620 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-15 04:56:17,620 INFO L276 IsEmpty]: Start isEmpty. Operand 6387 states and 9731 transitions. [2020-10-15 04:56:17,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2020-10-15 04:56:17,623 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 04:56:17,623 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 04:56:17,624 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-15 04:56:17,624 INFO L427 AbstractCegarLoop]: === Iteration 4 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 04:56:17,624 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 04:56:17,624 INFO L82 PathProgramCache]: Analyzing trace with hash 1336126409, now seen corresponding path program 1 times [2020-10-15 04:56:17,624 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 04:56:17,625 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [908839149] [2020-10-15 04:56:17,625 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 04:56:17,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:56:17,684 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:56:17,712 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:56:17,742 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:56:17,836 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:56:17,866 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:56:17,967 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:56:18,080 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:56:22,672 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:56:22,672 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 302 [2020-10-15 04:56:22,672 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-15 04:56:22,672 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-15 04:56:22,672 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:56:22,673 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:56:22,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-15 04:56:22,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 04:56:22,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 46 [2020-10-15 04:56:22,674 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:56:22,955 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2020-10-15 04:56:22,956 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 04:56:22,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:56:22,970 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:56:22,983 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:56:22,984 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 04:56:22,984 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:56:22,984 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-15 04:56:22,984 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:56:22,984 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:56:22,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:56:22,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:56:22,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-15 04:56:22,985 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:56:23,021 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 04:56:23,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:56:23,026 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:56:23,028 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:56:23,028 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 04:56:23,029 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:56:23,029 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 04:56:23,029 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:56:23,029 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:56:23,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:56:23,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:56:23,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 04:56:23,029 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:56:23,031 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-15 04:56:23,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:56:23,032 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:56:23,033 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:56:23,033 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 04:56:23,033 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:56:23,033 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 04:56:23,033 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:56:23,034 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:56:23,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:56:23,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:56:23,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-15 04:56:23,034 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:56:23,070 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-15 04:56:23,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:56:23,075 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:56:23,080 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:56:23,080 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-15 04:56:23,080 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:56:23,080 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-15 04:56:23,080 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:56:23,081 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:56:23,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:56:23,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:56:23,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-15 04:56:23,081 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:56:23,154 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-15 04:56:23,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:56:23,162 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:56:23,189 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:56:23,190 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-15 04:56:23,190 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:56:23,190 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-10-15 04:56:23,190 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:56:23,190 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:56:23,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 04:56:23,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-15 04:56:23,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 35 [2020-10-15 04:56:23,191 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:56:23,251 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2020-10-15 04:56:23,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:56:23,277 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:56:23,294 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:56:23,312 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:56:23,394 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:56:23,403 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:56:23,496 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:56:28,269 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:56:28,269 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 162 [2020-10-15 04:56:28,269 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-15 04:56:28,269 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-15 04:56:28,270 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:56:28,270 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:56:28,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-15 04:56:28,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 96 [2020-10-15 04:56:28,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 04:56:28,270 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:56:28,313 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 04:56:28,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:56:28,315 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:56:28,316 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:56:28,316 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:56:28,316 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:56:28,316 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:56:28,316 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:56:28,317 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:56:28,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:56:28,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:56:28,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:56:28,317 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:56:28,318 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-15 04:56:28,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:56:28,319 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:56:28,320 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:56:28,320 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:56:28,321 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:56:28,321 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:56:28,321 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:56:28,321 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:56:28,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:56:28,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:56:28,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:56:28,322 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:56:28,323 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-15 04:56:28,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:56:28,324 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:56:28,325 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:56:28,325 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:56:28,325 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:56:28,325 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 04:56:28,325 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:56:28,325 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:56:28,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:56:28,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:56:28,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:56:28,326 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:56:28,327 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-15 04:56:28,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:56:28,328 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:56:28,329 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:56:28,329 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:56:28,330 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:56:28,330 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:56:28,330 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:56:28,330 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:56:28,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:56:28,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:56:28,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:56:28,331 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:56:28,332 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-15 04:56:28,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:56:28,333 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:56:28,334 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:56:28,334 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:56:28,334 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:56:28,334 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 04:56:28,334 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:56:28,334 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:56:28,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:56:28,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:56:28,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:56:28,335 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:56:28,335 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-15 04:56:28,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:56:28,336 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:56:28,337 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:56:28,337 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:56:28,337 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:56:28,337 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 04:56:28,337 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:56:28,337 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:56:28,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:56:28,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:56:28,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:56:28,338 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:56:28,339 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-15 04:56:28,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:56:28,339 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:56:28,340 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:56:28,340 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:56:28,340 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:56:28,340 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 04:56:28,340 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:56:28,341 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:56:28,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:56:28,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:56:28,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:56:28,341 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:56:28,342 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-15 04:56:28,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:56:28,343 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:56:28,344 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:56:28,344 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:56:28,344 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:56:28,344 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:56:28,344 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:56:28,344 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:56:28,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:56:28,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:56:28,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:56:28,345 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:56:28,346 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-15 04:56:28,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:56:28,347 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:56:28,350 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:56:28,350 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:56:28,350 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:56:28,350 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 04:56:28,350 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:56:28,351 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:56:28,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 04:56:28,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:56:28,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-15 04:56:28,351 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:56:28,380 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-15 04:56:28,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:56:28,383 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:56:28,383 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:56:28,384 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:56:28,384 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:56:28,384 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:56:28,384 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:56:28,384 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:56:28,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:56:28,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-15 04:56:28,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:56:28,385 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:56:28,385 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-15 04:56:28,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:56:28,387 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:56:28,388 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:56:28,388 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:56:28,388 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:56:28,388 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:56:28,388 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:56:28,388 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:56:28,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:56:28,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-15 04:56:28,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:56:28,389 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:56:28,390 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-15 04:56:28,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:56:28,391 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:56:28,392 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:56:28,392 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:56:28,392 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:56:28,393 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:56:28,393 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:56:28,394 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:56:28,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:56:28,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-15 04:56:28,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:56:28,394 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:56:28,395 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-15 04:56:28,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:56:28,397 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:56:28,398 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:56:28,398 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:56:28,398 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:56:28,398 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:56:28,399 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:56:28,399 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:56:28,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:56:28,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-15 04:56:28,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:56:28,400 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:56:28,400 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-15 04:56:28,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:56:28,402 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:56:28,403 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:56:28,403 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:56:28,403 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:56:28,403 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:56:28,404 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:56:28,404 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:56:28,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:56:28,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-15 04:56:28,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:56:28,404 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:56:28,412 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2020-10-15 04:56:28,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:56:28,416 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:56:28,422 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:56:28,422 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-15 04:56:28,422 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:56:28,422 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-15 04:56:28,422 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:56:28,423 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:56:28,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:56:28,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 32 [2020-10-15 04:56:28,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:56:28,423 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:56:28,426 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2020-10-15 04:56:28,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:56:28,428 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:56:28,428 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:56:28,428 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 04:56:28,428 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:56:28,429 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 04:56:28,429 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:56:28,429 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:56:28,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:56:28,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-15 04:56:28,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:56:28,430 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:56:28,482 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 04:56:28,483 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [908839149] [2020-10-15 04:56:28,483 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 04:56:28,483 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-10-15 04:56:28,483 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1548739527] [2020-10-15 04:56:28,484 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-15 04:56:28,484 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 04:56:28,484 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-15 04:56:28,484 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2020-10-15 04:56:28,484 INFO L87 Difference]: Start difference. First operand 6387 states and 9731 transitions. Second operand 13 states. [2020-10-15 04:56:28,799 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 219 [2020-10-15 04:56:28,941 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2020-10-15 04:56:29,152 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2020-10-15 04:56:31,498 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 222 [2020-10-15 04:56:31,846 WARN L193 SmtUtils]: Spent 330.00 ms on a formula simplification that was a NOOP. DAG size: 224 [2020-10-15 04:56:31,998 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 132 [2020-10-15 04:56:32,298 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 222 [2020-10-15 04:56:32,441 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 132 [2020-10-15 04:56:32,731 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 222 [2020-10-15 04:56:40,707 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 04:56:40,708 INFO L93 Difference]: Finished difference Result 15483 states and 24937 transitions. [2020-10-15 04:56:40,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-15 04:56:40,708 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 246 [2020-10-15 04:56:40,709 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 04:56:40,762 INFO L225 Difference]: With dead ends: 15483 [2020-10-15 04:56:40,762 INFO L226 Difference]: Without dead ends: 9127 [2020-10-15 04:56:40,798 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=144, Invalid=408, Unknown=0, NotChecked=0, Total=552 [2020-10-15 04:56:40,809 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9127 states. [2020-10-15 04:56:42,369 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9127 to 6407. [2020-10-15 04:56:42,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6407 states. [2020-10-15 04:56:42,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6407 states to 6407 states and 9701 transitions. [2020-10-15 04:56:42,382 INFO L78 Accepts]: Start accepts. Automaton has 6407 states and 9701 transitions. Word has length 246 [2020-10-15 04:56:42,383 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 04:56:42,383 INFO L479 AbstractCegarLoop]: Abstraction has 6407 states and 9701 transitions. [2020-10-15 04:56:42,383 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-15 04:56:42,383 INFO L276 IsEmpty]: Start isEmpty. Operand 6407 states and 9701 transitions. [2020-10-15 04:56:42,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2020-10-15 04:56:42,386 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 04:56:42,386 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 04:56:42,387 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-15 04:56:42,387 INFO L427 AbstractCegarLoop]: === Iteration 5 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 04:56:42,387 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 04:56:42,387 INFO L82 PathProgramCache]: Analyzing trace with hash 2026199819, now seen corresponding path program 1 times [2020-10-15 04:56:42,387 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 04:56:42,392 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1099445567] [2020-10-15 04:56:42,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 04:56:42,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:56:42,455 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:56:42,483 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:56:42,511 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:56:42,572 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:56:42,597 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:56:42,689 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:56:44,690 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:56:44,730 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:56:44,754 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:56:44,779 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:56:44,842 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:56:44,980 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:56:45,008 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:56:45,033 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:56:45,057 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:56:45,079 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:56:45,101 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:56:45,123 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:56:45,145 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:56:45,167 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:56:45,188 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:56:45,208 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:56:45,227 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:56:45,262 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:56:45,290 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:56:45,316 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:56:45,409 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:56:45,437 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:56:45,464 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:56:45,492 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:56:45,518 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:56:45,664 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:56:45,845 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:56:47,457 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:56:47,458 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 302 [2020-10-15 04:56:47,458 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 33 [2020-10-15 04:56:47,458 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5018 [2020-10-15 04:56:47,458 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:56:47,458 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:56:47,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-15 04:56:47,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 04:56:47,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 160 [2020-10-15 04:56:47,459 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:56:47,754 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2020-10-15 04:56:47,755 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 04:56:47,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:56:47,767 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:56:47,775 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:56:47,775 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 04:56:47,775 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:56:47,775 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-15 04:56:47,776 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:56:47,776 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:56:47,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:56:47,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:56:47,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-15 04:56:47,776 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:56:47,818 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 04:56:47,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:56:47,823 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:56:47,826 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:56:47,826 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 04:56:47,826 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:56:47,826 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 04:56:47,827 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:56:47,827 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:56:47,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:56:47,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:56:47,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 04:56:47,828 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:56:47,830 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-15 04:56:47,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:56:47,831 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:56:47,832 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:56:47,832 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 04:56:47,832 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:56:47,832 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:56:47,833 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:56:47,833 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:56:47,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:56:47,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:56:47,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-15 04:56:47,833 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:56:47,868 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-15 04:56:47,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:56:47,873 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:56:47,878 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:56:47,878 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-15 04:56:47,878 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:56:47,878 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-15 04:56:47,878 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:56:47,878 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:56:47,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:56:47,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:56:47,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-15 04:56:47,879 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:56:47,954 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-15 04:56:47,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:56:47,962 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:56:47,970 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:56:47,971 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-15 04:56:47,971 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:56:47,971 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-15 04:56:47,971 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:56:47,971 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:56:47,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:56:47,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:56:47,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 32 [2020-10-15 04:56:47,972 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:56:47,976 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2020-10-15 04:56:47,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:56:47,989 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:56:47,998 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:56:48,007 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:56:48,013 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:56:48,031 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:56:52,985 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:56:52,985 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 162 [2020-10-15 04:56:52,986 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-15 04:56:52,986 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-15 04:56:52,986 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:56:52,986 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:56:52,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:56:52,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 84 [2020-10-15 04:56:52,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76 [2020-10-15 04:56:52,986 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:56:53,000 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 04:56:53,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:56:53,002 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:56:53,003 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:56:53,003 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:56:53,003 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:56:53,004 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:56:53,004 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:56:53,004 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:56:53,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:56:53,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:56:53,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:56:53,005 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:56:53,005 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-15 04:56:53,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:56:53,006 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:56:53,007 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:56:53,007 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:56:53,007 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:56:53,007 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 04:56:53,007 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:56:53,007 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:56:53,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:56:53,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:56:53,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:56:53,008 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:56:53,009 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-15 04:56:53,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:56:53,009 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:56:53,010 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:56:53,010 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:56:53,010 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:56:53,010 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 04:56:53,011 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:56:53,011 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:56:53,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:56:53,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:56:53,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:56:53,011 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:56:53,012 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-15 04:56:53,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:56:53,013 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:56:53,014 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:56:53,014 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:56:53,014 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:56:53,014 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:56:53,014 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:56:53,015 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:56:53,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:56:53,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:56:53,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:56:53,015 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:56:53,016 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-15 04:56:53,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:56:53,017 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:56:53,018 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:56:53,018 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:56:53,018 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:56:53,018 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:56:53,018 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:56:53,019 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:56:53,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:56:53,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:56:53,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:56:53,019 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:56:53,020 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-15 04:56:53,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:56:53,021 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:56:53,022 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:56:53,022 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:56:53,022 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:56:53,023 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 04:56:53,023 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:56:53,023 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:56:53,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:56:53,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:56:53,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:56:53,024 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:56:53,025 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-15 04:56:53,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:56:53,026 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:56:53,027 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:56:53,027 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:56:53,027 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:56:53,027 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:56:53,028 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:56:53,028 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:56:53,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:56:53,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:56:53,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:56:53,028 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:56:53,029 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-15 04:56:53,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:56:53,031 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:56:53,033 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:56:53,033 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:56:53,033 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:56:53,033 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:56:53,033 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:56:53,034 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:56:53,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:56:53,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:56:53,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-15 04:56:53,034 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:56:53,035 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-15 04:56:53,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:56:53,037 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:56:53,038 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:56:53,039 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:56:53,039 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:56:53,039 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:56:53,039 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:56:53,040 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:56:53,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:56:53,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:56:53,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 04:56:53,040 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:56:53,041 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-15 04:56:53,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:56:53,042 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:56:53,043 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:56:53,043 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:56:53,043 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:56:53,043 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:56:53,044 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:56:53,044 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:56:53,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:56:53,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:56:53,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 04:56:53,045 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:56:53,046 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-15 04:56:53,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:56:53,047 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:56:53,049 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:56:53,049 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:56:53,049 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:56:53,049 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:56:53,049 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:56:53,050 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:56:53,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:56:53,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:56:53,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 04:56:53,050 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:56:53,051 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-15 04:56:53,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:56:53,053 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:56:53,055 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:56:53,055 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:56:53,055 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:56:53,055 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:56:53,055 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:56:53,056 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:56:53,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:56:53,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:56:53,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 04:56:53,056 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:56:53,058 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-15 04:56:53,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:56:53,059 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:56:53,061 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:56:53,061 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:56:53,061 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:56:53,061 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 04:56:53,061 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:56:53,062 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:56:53,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:56:53,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:56:53,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 04:56:53,062 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:56:53,063 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-15 04:56:53,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:56:53,064 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:56:53,065 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:56:53,065 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:56:53,065 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:56:53,066 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:56:53,066 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:56:53,066 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:56:53,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:56:53,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:56:53,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 04:56:53,067 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:56:53,102 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2020-10-15 04:56:53,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:56:53,107 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:56:53,111 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:56:53,111 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-15 04:56:53,111 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:56:53,111 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 04:56:53,111 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:56:53,111 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:56:53,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:56:53,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 32 [2020-10-15 04:56:53,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:56:53,112 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:56:53,116 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2020-10-15 04:56:53,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:56:53,118 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:56:53,119 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:56:53,119 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 04:56:53,119 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:56:53,120 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:56:53,120 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:56:53,120 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:56:53,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:56:53,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-15 04:56:53,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:56:53,121 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:56:53,170 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 04:56:53,170 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1099445567] [2020-10-15 04:56:53,171 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 04:56:53,171 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-15 04:56:53,171 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1250451657] [2020-10-15 04:56:53,172 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-15 04:56:53,172 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 04:56:53,172 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-15 04:56:53,172 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2020-10-15 04:56:53,173 INFO L87 Difference]: Start difference. First operand 6407 states and 9701 transitions. Second operand 9 states. [2020-10-15 04:56:53,468 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 219 [2020-10-15 04:56:53,603 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-15 04:56:53,790 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-15 04:56:57,548 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-15 04:56:58,222 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 219 [2020-10-15 04:57:10,325 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 04:57:10,325 INFO L93 Difference]: Finished difference Result 24262 states and 39492 transitions. [2020-10-15 04:57:10,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-15 04:57:10,326 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 246 [2020-10-15 04:57:10,326 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 04:57:10,413 INFO L225 Difference]: With dead ends: 24262 [2020-10-15 04:57:10,413 INFO L226 Difference]: Without dead ends: 17887 [2020-10-15 04:57:10,459 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=82, Invalid=224, Unknown=0, NotChecked=0, Total=306 [2020-10-15 04:57:10,479 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17887 states. [2020-10-15 04:57:12,500 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17887 to 12829. [2020-10-15 04:57:12,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12829 states. [2020-10-15 04:57:12,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12829 states to 12829 states and 19463 transitions. [2020-10-15 04:57:12,528 INFO L78 Accepts]: Start accepts. Automaton has 12829 states and 19463 transitions. Word has length 246 [2020-10-15 04:57:12,528 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 04:57:12,528 INFO L479 AbstractCegarLoop]: Abstraction has 12829 states and 19463 transitions. [2020-10-15 04:57:12,528 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-15 04:57:12,529 INFO L276 IsEmpty]: Start isEmpty. Operand 12829 states and 19463 transitions. [2020-10-15 04:57:12,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2020-10-15 04:57:12,531 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 04:57:12,531 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 04:57:12,531 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-15 04:57:12,531 INFO L427 AbstractCegarLoop]: === Iteration 6 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 04:57:12,531 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 04:57:12,532 INFO L82 PathProgramCache]: Analyzing trace with hash 206294570, now seen corresponding path program 1 times [2020-10-15 04:57:12,532 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 04:57:12,532 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [62355118] [2020-10-15 04:57:12,532 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 04:57:12,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:57:12,586 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:12,612 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:12,641 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:12,703 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:12,729 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:12,756 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:13,200 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:17,583 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:57:17,584 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 302 [2020-10-15 04:57:17,584 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-15 04:57:17,584 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5015 [2020-10-15 04:57:17,584 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:57:17,584 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:57:17,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-15 04:57:17,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 04:57:17,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 47 [2020-10-15 04:57:17,584 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:57:17,842 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2020-10-15 04:57:17,842 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 04:57:17,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:57:17,855 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:17,868 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:57:17,869 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 04:57:17,869 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:57:17,869 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-15 04:57:17,869 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:57:17,869 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:57:17,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:57:17,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:57:17,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-15 04:57:17,870 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:57:17,909 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 04:57:17,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:57:17,913 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:17,918 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:57:17,918 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 04:57:17,918 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:57:17,918 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 04:57:17,918 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:57:17,919 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:57:17,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:57:17,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:57:17,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 04:57:17,919 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:57:17,921 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-15 04:57:17,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:57:17,922 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:17,923 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:57:17,923 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 04:57:17,924 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:57:17,924 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:57:17,924 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:57:17,924 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:57:17,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:57:17,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:57:17,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-15 04:57:17,925 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:57:17,960 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-15 04:57:17,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:57:17,965 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:17,972 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:57:17,972 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-15 04:57:17,972 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:57:17,973 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-15 04:57:17,973 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:57:17,973 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:57:17,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:57:17,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:57:17,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-15 04:57:17,974 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:57:18,044 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-15 04:57:18,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:57:18,052 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:18,067 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:57:18,067 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-15 04:57:18,067 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:57:18,067 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-15 04:57:18,068 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:57:18,068 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:57:18,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 04:57:18,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-15 04:57:18,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 35 [2020-10-15 04:57:18,068 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:57:18,093 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2020-10-15 04:57:18,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:57:18,113 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:18,125 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:18,136 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:18,147 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:18,157 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:18,366 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:23,109 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:57:23,110 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 162 [2020-10-15 04:57:23,110 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-15 04:57:23,110 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5004 [2020-10-15 04:57:23,110 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:57:23,110 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:57:23,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-15 04:57:23,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 30 [2020-10-15 04:57:23,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 04:57:23,111 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:57:23,154 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 04:57:23,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:57:23,155 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:23,157 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:57:23,157 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:57:23,157 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:57:23,157 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:57:23,158 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:57:23,158 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:57:23,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:57:23,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:57:23,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:57:23,159 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:57:23,160 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-15 04:57:23,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:57:23,161 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:23,162 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:57:23,162 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:57:23,162 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:57:23,162 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:57:23,162 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:57:23,163 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:57:23,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:57:23,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:57:23,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:57:23,163 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:57:23,164 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-15 04:57:23,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:57:23,166 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:23,169 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:57:23,169 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:57:23,169 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:57:23,169 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 04:57:23,170 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:57:23,170 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:57:23,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 04:57:23,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:57:23,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-15 04:57:23,170 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:57:23,210 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-15 04:57:23,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:57:23,213 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:23,214 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:57:23,214 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:57:23,214 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:57:23,214 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:57:23,215 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:57:23,215 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:57:23,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:57:23,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-15 04:57:23,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:57:23,216 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:57:23,217 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-15 04:57:23,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:57:23,218 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:23,219 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:57:23,219 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:57:23,219 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:57:23,220 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:57:23,220 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:57:23,220 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:57:23,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:57:23,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-15 04:57:23,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:57:23,221 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:57:23,222 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-15 04:57:23,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:57:23,223 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:23,224 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:57:23,224 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:57:23,225 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:57:23,225 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:57:23,225 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:57:23,225 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:57:23,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:57:23,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-15 04:57:23,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:57:23,226 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:57:23,227 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-15 04:57:23,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:57:23,228 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:23,229 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:57:23,229 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:57:23,229 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:57:23,230 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:57:23,230 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:57:23,230 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:57:23,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:57:23,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-15 04:57:23,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:57:23,231 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:57:23,232 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-15 04:57:23,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:57:23,233 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:23,234 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:57:23,234 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:57:23,234 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:57:23,234 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:57:23,235 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:57:23,235 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:57:23,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:57:23,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-15 04:57:23,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:57:23,235 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:57:23,236 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-15 04:57:23,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:57:23,238 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:23,239 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:57:23,239 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:57:23,239 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:57:23,239 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:57:23,239 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:57:23,240 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:57:23,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:57:23,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-15 04:57:23,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:57:23,240 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:57:23,241 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-15 04:57:23,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:57:23,242 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:23,243 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:57:23,244 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:57:23,244 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:57:23,244 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:57:23,244 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:57:23,244 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:57:23,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:57:23,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-15 04:57:23,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:57:23,245 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:57:23,246 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-15 04:57:23,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:57:23,247 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:23,248 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:57:23,249 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:57:23,249 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:57:23,249 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:57:23,249 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:57:23,249 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:57:23,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:57:23,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-15 04:57:23,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:57:23,250 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:57:23,251 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-15 04:57:23,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:57:23,252 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:23,253 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:57:23,254 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:57:23,254 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:57:23,254 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:57:23,254 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:57:23,254 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:57:23,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:57:23,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-15 04:57:23,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:57:23,255 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:57:23,256 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-15 04:57:23,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:57:23,257 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:23,258 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:57:23,258 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:57:23,259 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:57:23,259 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:57:23,259 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:57:23,259 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:57:23,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:57:23,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-15 04:57:23,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:57:23,260 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:57:23,267 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-15 04:57:23,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:57:23,269 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:23,270 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:57:23,271 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:57:23,271 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:57:23,271 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:57:23,271 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:57:23,272 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:57:23,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:57:23,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-15 04:57:23,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:57:23,272 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:57:23,282 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2020-10-15 04:57:23,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:57:23,289 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:23,297 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:57:23,297 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-15 04:57:23,297 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:57:23,297 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-15 04:57:23,297 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:57:23,298 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:57:23,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:57:23,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 32 [2020-10-15 04:57:23,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:57:23,298 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:57:23,303 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2020-10-15 04:57:23,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:57:23,305 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:23,305 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:57:23,306 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 04:57:23,306 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:57:23,306 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:57:23,306 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:57:23,306 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:57:23,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:57:23,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-15 04:57:23,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:57:23,307 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:57:23,367 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 04:57:23,367 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [62355118] [2020-10-15 04:57:23,368 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 04:57:23,368 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-10-15 04:57:23,368 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [892267228] [2020-10-15 04:57:23,368 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-15 04:57:23,369 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 04:57:23,369 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-15 04:57:23,369 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2020-10-15 04:57:23,369 INFO L87 Difference]: Start difference. First operand 12829 states and 19463 transitions. Second operand 13 states. [2020-10-15 04:57:23,653 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 219 [2020-10-15 04:57:23,786 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2020-10-15 04:57:23,993 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2020-10-15 04:57:25,569 WARN L193 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 223 [2020-10-15 04:57:25,874 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 226 [2020-10-15 04:57:26,032 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2020-10-15 04:57:26,330 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 223 [2020-10-15 04:57:26,614 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2020-10-15 04:57:26,890 WARN L193 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 223 [2020-10-15 04:57:37,518 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 04:57:37,518 INFO L93 Difference]: Finished difference Result 31765 states and 51031 transitions. [2020-10-15 04:57:37,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-15 04:57:37,519 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 246 [2020-10-15 04:57:37,519 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 04:57:37,601 INFO L225 Difference]: With dead ends: 31765 [2020-10-15 04:57:37,601 INFO L226 Difference]: Without dead ends: 18967 [2020-10-15 04:57:37,649 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=143, Invalid=409, Unknown=0, NotChecked=0, Total=552 [2020-10-15 04:57:37,671 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18967 states. [2020-10-15 04:57:39,626 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18967 to 12949. [2020-10-15 04:57:39,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12949 states. [2020-10-15 04:57:39,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12949 states to 12949 states and 19499 transitions. [2020-10-15 04:57:39,655 INFO L78 Accepts]: Start accepts. Automaton has 12949 states and 19499 transitions. Word has length 246 [2020-10-15 04:57:39,655 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 04:57:39,655 INFO L479 AbstractCegarLoop]: Abstraction has 12949 states and 19499 transitions. [2020-10-15 04:57:39,655 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-15 04:57:39,655 INFO L276 IsEmpty]: Start isEmpty. Operand 12949 states and 19499 transitions. [2020-10-15 04:57:39,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2020-10-15 04:57:39,658 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 04:57:39,658 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 04:57:39,658 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-15 04:57:39,658 INFO L427 AbstractCegarLoop]: === Iteration 7 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 04:57:39,658 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 04:57:39,659 INFO L82 PathProgramCache]: Analyzing trace with hash -1914392724, now seen corresponding path program 1 times [2020-10-15 04:57:39,659 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 04:57:39,659 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [225726452] [2020-10-15 04:57:39,659 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 04:57:39,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:57:39,724 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:39,766 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:39,809 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:39,886 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:39,948 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:39,975 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:40,471 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:40,856 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:40,893 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:40,920 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:41,273 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:41,440 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:41,546 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:41,682 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:41,732 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:41,776 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:41,818 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:41,860 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:41,902 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:41,941 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:41,976 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:41,999 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:42,051 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:42,103 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:42,291 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:42,338 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:42,378 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:42,421 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:42,483 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:42,918 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:43,249 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:45,027 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:57:45,027 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 302 [2020-10-15 04:57:45,028 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 31 [2020-10-15 04:57:45,028 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5328 [2020-10-15 04:57:45,028 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:57:45,028 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:57:45,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-15 04:57:45,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 04:57:45,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 94 [2020-10-15 04:57:45,029 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:57:45,298 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2020-10-15 04:57:45,299 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 04:57:45,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:57:45,311 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:45,325 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:57:45,325 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 04:57:45,326 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:57:45,326 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-15 04:57:45,326 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:57:45,326 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:57:45,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:57:45,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:57:45,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-15 04:57:45,327 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:57:45,362 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 04:57:45,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:57:45,366 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:45,368 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:57:45,369 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 04:57:45,369 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:57:45,369 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 04:57:45,369 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:57:45,369 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:57:45,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:57:45,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:57:45,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 04:57:45,370 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:57:45,372 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-15 04:57:45,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:57:45,373 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:45,374 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:57:45,374 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 04:57:45,374 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:57:45,374 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 04:57:45,375 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:57:45,375 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:57:45,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:57:45,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:57:45,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-15 04:57:45,376 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:57:45,427 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-15 04:57:45,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:57:45,432 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:45,442 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:57:45,442 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-15 04:57:45,443 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:57:45,443 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-15 04:57:45,443 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:57:45,444 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:57:45,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:57:45,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:57:45,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-15 04:57:45,445 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:57:45,516 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-15 04:57:45,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:57:45,526 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:45,539 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:57:45,539 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-15 04:57:45,539 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:57:45,539 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-15 04:57:45,540 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:57:45,540 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:57:45,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:57:45,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:57:45,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 32 [2020-10-15 04:57:45,540 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:57:45,546 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2020-10-15 04:57:45,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:57:45,567 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:45,584 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:45,598 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:45,608 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:45,614 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:50,559 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:57:50,559 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 162 [2020-10-15 04:57:50,559 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-15 04:57:50,560 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-15 04:57:50,560 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:57:50,560 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:57:50,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:57:50,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-10-15 04:57:50,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 142 [2020-10-15 04:57:50,560 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:57:50,575 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 04:57:50,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:57:50,576 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:50,577 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:57:50,577 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:57:50,578 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:57:50,578 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:57:50,578 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:57:50,578 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:57:50,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:57:50,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:57:50,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:57:50,578 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:57:50,579 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-15 04:57:50,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:57:50,580 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:50,581 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:57:50,581 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:57:50,581 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:57:50,582 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:57:50,582 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:57:50,582 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:57:50,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:57:50,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:57:50,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-15 04:57:50,582 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:57:50,583 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-15 04:57:50,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:57:50,584 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:50,585 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:57:50,585 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:57:50,585 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:57:50,586 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:57:50,586 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:57:50,586 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:57:50,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:57:50,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:57:50,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 04:57:50,586 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:57:50,587 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-15 04:57:50,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:57:50,588 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:50,589 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:57:50,589 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:57:50,589 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:57:50,589 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:57:50,590 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:57:50,590 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:57:50,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:57:50,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:57:50,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 04:57:50,590 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:57:50,591 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-15 04:57:50,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:57:50,592 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:50,593 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:57:50,593 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:57:50,593 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:57:50,593 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:57:50,593 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:57:50,593 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:57:50,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:57:50,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:57:50,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 04:57:50,594 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:57:50,594 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-15 04:57:50,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:57:50,595 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:50,596 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:57:50,596 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:57:50,596 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:57:50,596 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:57:50,597 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:57:50,597 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:57:50,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:57:50,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:57:50,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 04:57:50,597 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:57:50,598 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-15 04:57:50,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:57:50,599 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:50,600 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:57:50,600 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:57:50,600 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:57:50,600 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:57:50,600 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:57:50,600 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:57:50,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:57:50,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:57:50,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 04:57:50,601 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:57:50,601 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-15 04:57:50,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:57:50,602 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:50,604 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:57:50,604 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:57:50,604 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:57:50,604 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:57:50,604 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:57:50,605 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:57:50,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:57:50,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:57:50,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 04:57:50,605 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:57:50,607 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-15 04:57:50,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:57:50,608 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:50,609 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:57:50,610 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:57:50,610 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:57:50,610 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:57:50,610 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:57:50,610 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:57:50,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:57:50,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:57:50,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 04:57:50,611 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:57:50,612 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-15 04:57:50,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:57:50,614 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:50,615 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:57:50,615 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:57:50,615 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:57:50,616 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:57:50,616 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:57:50,616 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:57:50,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:57:50,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:57:50,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 04:57:50,617 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:57:50,618 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-15 04:57:50,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:57:50,619 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:50,620 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:57:50,620 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:57:50,620 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:57:50,620 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:57:50,620 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:57:50,620 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:57:50,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:57:50,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:57:50,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 04:57:50,621 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:57:50,621 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-15 04:57:50,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:57:50,623 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:50,624 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:57:50,624 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:57:50,624 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:57:50,624 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:57:50,624 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:57:50,624 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:57:50,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:57:50,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:57:50,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 04:57:50,625 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:57:50,625 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-15 04:57:50,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:57:50,627 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:50,628 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:57:50,628 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:57:50,628 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:57:50,628 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:57:50,628 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:57:50,628 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:57:50,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:57:50,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:57:50,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 04:57:50,629 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:57:50,629 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-15 04:57:50,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:57:50,631 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:50,632 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:57:50,632 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:57:50,632 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:57:50,632 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:57:50,632 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:57:50,632 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:57:50,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:57:50,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:57:50,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 04:57:50,633 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:57:50,640 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2020-10-15 04:57:50,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:57:50,646 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:50,650 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:57:50,650 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-15 04:57:50,650 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:57:50,651 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 04:57:50,651 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:57:50,651 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:57:50,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:57:50,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 32 [2020-10-15 04:57:50,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:57:50,651 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:57:50,654 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2020-10-15 04:57:50,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:57:50,656 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:50,657 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:57:50,657 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 04:57:50,657 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:57:50,657 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:57:50,657 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:57:50,658 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:57:50,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:57:50,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-15 04:57:50,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:57:50,658 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:57:50,706 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 04:57:50,707 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [225726452] [2020-10-15 04:57:50,707 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 04:57:50,707 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-15 04:57:50,707 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1175179926] [2020-10-15 04:57:50,708 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-15 04:57:50,708 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 04:57:50,708 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-15 04:57:50,708 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-10-15 04:57:50,709 INFO L87 Difference]: Start difference. First operand 12949 states and 19499 transitions. Second operand 8 states. [2020-10-15 04:57:50,983 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 219 [2020-10-15 04:57:51,106 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-15 04:57:51,278 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-15 04:57:54,311 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-15 04:57:55,053 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 219 [2020-10-15 04:58:09,718 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 04:58:09,719 INFO L93 Difference]: Finished difference Result 48576 states and 77618 transitions. [2020-10-15 04:58:09,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-15 04:58:09,721 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 246 [2020-10-15 04:58:09,722 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 04:58:09,875 INFO L225 Difference]: With dead ends: 48576 [2020-10-15 04:58:09,876 INFO L226 Difference]: Without dead ends: 35659 [2020-10-15 04:58:09,937 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=74, Invalid=198, Unknown=0, NotChecked=0, Total=272 [2020-10-15 04:58:09,975 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35659 states. [2020-10-15 04:58:13,586 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35659 to 25813. [2020-10-15 04:58:13,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25813 states. [2020-10-15 04:58:13,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25813 states to 25813 states and 39015 transitions. [2020-10-15 04:58:13,648 INFO L78 Accepts]: Start accepts. Automaton has 25813 states and 39015 transitions. Word has length 246 [2020-10-15 04:58:13,648 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 04:58:13,648 INFO L479 AbstractCegarLoop]: Abstraction has 25813 states and 39015 transitions. [2020-10-15 04:58:13,648 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-15 04:58:13,648 INFO L276 IsEmpty]: Start isEmpty. Operand 25813 states and 39015 transitions. [2020-10-15 04:58:13,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2020-10-15 04:58:13,655 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 04:58:13,655 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 04:58:13,655 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-15 04:58:13,656 INFO L427 AbstractCegarLoop]: === Iteration 8 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 04:58:13,656 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 04:58:13,657 INFO L82 PathProgramCache]: Analyzing trace with hash 1684878667, now seen corresponding path program 1 times [2020-10-15 04:58:13,657 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 04:58:13,662 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1745546872] [2020-10-15 04:58:13,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 04:58:13,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:58:13,711 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:58:13,736 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:58:13,763 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:58:13,835 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:58:13,909 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:58:13,932 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:58:14,009 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:58:15,707 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:58:15,792 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:58:15,828 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:58:15,847 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:58:15,887 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:58:15,912 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:58:15,942 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:58:15,960 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:58:15,977 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:58:15,996 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:58:16,013 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:58:16,029 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:58:16,045 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:58:16,059 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:58:16,088 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:58:16,103 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:58:16,129 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:58:16,143 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:58:16,158 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:58:16,172 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:58:16,186 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:58:16,218 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:58:16,254 FATAL L256 erpolLogProxyWrapper]: Now shrinking...