/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=NARROWEST --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/systemc/token_ring.11.cil-2.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-13 15:48:21,420 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-13 15:48:21,423 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-13 15:48:21,448 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-13 15:48:21,449 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-13 15:48:21,450 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-13 15:48:21,451 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-13 15:48:21,453 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-13 15:48:21,455 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-13 15:48:21,455 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-13 15:48:21,456 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-13 15:48:21,457 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-13 15:48:21,458 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-13 15:48:21,459 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-13 15:48:21,460 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-13 15:48:21,461 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-13 15:48:21,462 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-13 15:48:21,463 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-13 15:48:21,464 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-13 15:48:21,466 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-13 15:48:21,467 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-13 15:48:21,468 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-13 15:48:21,470 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-13 15:48:21,470 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-13 15:48:21,473 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-13 15:48:21,473 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-13 15:48:21,473 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-13 15:48:21,474 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-13 15:48:21,474 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-13 15:48:21,475 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-13 15:48:21,475 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-13 15:48:21,476 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-13 15:48:21,477 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-13 15:48:21,477 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-13 15:48:21,478 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-13 15:48:21,479 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-13 15:48:21,479 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-13 15:48:21,479 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-13 15:48:21,480 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-13 15:48:21,481 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-13 15:48:21,481 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-13 15:48:21,482 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-13 15:48:21,528 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-13 15:48:21,529 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-13 15:48:21,530 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-13 15:48:21,530 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-13 15:48:21,530 INFO L138 SettingsManager]: * Use SBE=true [2020-10-13 15:48:21,530 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-13 15:48:21,531 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-13 15:48:21,531 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-13 15:48:21,533 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-13 15:48:21,533 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-13 15:48:21,533 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-13 15:48:21,534 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-13 15:48:21,534 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-13 15:48:21,534 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-13 15:48:21,534 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-13 15:48:21,534 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-13 15:48:21,535 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-13 15:48:21,535 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-13 15:48:21,537 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-13 15:48:21,537 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-13 15:48:21,537 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-13 15:48:21,538 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-13 15:48:21,538 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-13 15:48:21,539 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-13 15:48:21,539 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-13 15:48:21,539 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-13 15:48:21,539 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-13 15:48:21,539 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-13 15:48:21,540 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-13 15:48:21,540 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; [2020-10-13 15:48:21,847 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-13 15:48:21,858 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-13 15:48:21,864 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-13 15:48:21,865 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-13 15:48:21,865 INFO L275 PluginConnector]: CDTParser initialized [2020-10-13 15:48:21,866 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/systemc/token_ring.11.cil-2.c [2020-10-13 15:48:21,927 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/326beb4c7/505a3559f09d40bca5cd0dad234b0660/FLAG91db28649 [2020-10-13 15:48:22,424 INFO L306 CDTParser]: Found 1 translation units. [2020-10-13 15:48:22,425 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/systemc/token_ring.11.cil-2.c [2020-10-13 15:48:22,450 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/326beb4c7/505a3559f09d40bca5cd0dad234b0660/FLAG91db28649 [2020-10-13 15:48:22,779 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/326beb4c7/505a3559f09d40bca5cd0dad234b0660 [2020-10-13 15:48:22,788 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-13 15:48:22,790 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-13 15:48:22,791 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-13 15:48:22,791 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-13 15:48:22,795 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-13 15:48:22,796 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 03:48:22" (1/1) ... [2020-10-13 15:48:22,799 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@13707dcb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:48:22, skipping insertion in model container [2020-10-13 15:48:22,799 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 03:48:22" (1/1) ... [2020-10-13 15:48:22,807 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-13 15:48:22,880 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-13 15:48:23,230 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 15:48:23,241 INFO L203 MainTranslator]: Completed pre-run [2020-10-13 15:48:23,436 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 15:48:23,477 INFO L208 MainTranslator]: Completed translation [2020-10-13 15:48:23,478 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:48:23 WrapperNode [2020-10-13 15:48:23,478 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-13 15:48:23,479 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-13 15:48:23,479 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-13 15:48:23,479 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-13 15:48:23,489 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:48:23" (1/1) ... [2020-10-13 15:48:23,490 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:48:23" (1/1) ... [2020-10-13 15:48:23,504 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:48:23" (1/1) ... [2020-10-13 15:48:23,504 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:48:23" (1/1) ... [2020-10-13 15:48:23,527 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:48:23" (1/1) ... [2020-10-13 15:48:23,553 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:48:23" (1/1) ... [2020-10-13 15:48:23,558 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:48:23" (1/1) ... [2020-10-13 15:48:23,566 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-13 15:48:23,566 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-13 15:48:23,567 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-13 15:48:23,567 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-13 15:48:23,568 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:48:23" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-13 15:48:23,652 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-13 15:48:23,652 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-13 15:48:23,652 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2020-10-13 15:48:23,653 INFO L138 BoogieDeclarations]: Found implementation of procedure master [2020-10-13 15:48:23,653 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit1 [2020-10-13 15:48:23,654 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit2 [2020-10-13 15:48:23,654 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit3 [2020-10-13 15:48:23,655 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit4 [2020-10-13 15:48:23,655 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit5 [2020-10-13 15:48:23,655 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit6 [2020-10-13 15:48:23,655 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit7 [2020-10-13 15:48:23,656 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit8 [2020-10-13 15:48:23,656 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit9 [2020-10-13 15:48:23,656 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit10 [2020-10-13 15:48:23,656 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit11 [2020-10-13 15:48:23,657 INFO L138 BoogieDeclarations]: Found implementation of procedure is_master_triggered [2020-10-13 15:48:23,657 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit1_triggered [2020-10-13 15:48:23,657 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit2_triggered [2020-10-13 15:48:23,658 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit3_triggered [2020-10-13 15:48:23,658 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit4_triggered [2020-10-13 15:48:23,658 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit5_triggered [2020-10-13 15:48:23,658 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit6_triggered [2020-10-13 15:48:23,658 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit7_triggered [2020-10-13 15:48:23,659 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit8_triggered [2020-10-13 15:48:23,659 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit9_triggered [2020-10-13 15:48:23,660 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit10_triggered [2020-10-13 15:48:23,660 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit11_triggered [2020-10-13 15:48:23,660 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels [2020-10-13 15:48:23,660 INFO L138 BoogieDeclarations]: Found implementation of procedure init_threads [2020-10-13 15:48:23,660 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2020-10-13 15:48:23,660 INFO L138 BoogieDeclarations]: Found implementation of procedure eval [2020-10-13 15:48:23,661 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events [2020-10-13 15:48:23,661 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events [2020-10-13 15:48:23,661 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads [2020-10-13 15:48:23,661 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2020-10-13 15:48:23,661 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_time_events [2020-10-13 15:48:23,661 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_time_events [2020-10-13 15:48:23,661 INFO L138 BoogieDeclarations]: Found implementation of procedure init_model [2020-10-13 15:48:23,664 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_simulation [2020-10-13 15:48:23,664 INFO L138 BoogieDeclarations]: Found implementation of procedure start_simulation [2020-10-13 15:48:23,664 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-13 15:48:23,665 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-13 15:48:23,665 INFO L130 BoogieDeclarations]: Found specification of procedure error [2020-10-13 15:48:23,665 INFO L130 BoogieDeclarations]: Found specification of procedure is_master_triggered [2020-10-13 15:48:23,667 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit1_triggered [2020-10-13 15:48:23,667 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit2_triggered [2020-10-13 15:48:23,668 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit3_triggered [2020-10-13 15:48:23,668 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit4_triggered [2020-10-13 15:48:23,668 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit5_triggered [2020-10-13 15:48:23,669 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit6_triggered [2020-10-13 15:48:23,669 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit7_triggered [2020-10-13 15:48:23,669 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit8_triggered [2020-10-13 15:48:23,669 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit9_triggered [2020-10-13 15:48:23,670 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit10_triggered [2020-10-13 15:48:23,670 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit11_triggered [2020-10-13 15:48:23,670 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2020-10-13 15:48:23,670 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-13 15:48:23,670 INFO L130 BoogieDeclarations]: Found specification of procedure master [2020-10-13 15:48:23,671 INFO L130 BoogieDeclarations]: Found specification of procedure transmit1 [2020-10-13 15:48:23,671 INFO L130 BoogieDeclarations]: Found specification of procedure transmit2 [2020-10-13 15:48:23,671 INFO L130 BoogieDeclarations]: Found specification of procedure transmit3 [2020-10-13 15:48:23,671 INFO L130 BoogieDeclarations]: Found specification of procedure transmit4 [2020-10-13 15:48:23,671 INFO L130 BoogieDeclarations]: Found specification of procedure transmit5 [2020-10-13 15:48:23,672 INFO L130 BoogieDeclarations]: Found specification of procedure transmit6 [2020-10-13 15:48:23,672 INFO L130 BoogieDeclarations]: Found specification of procedure transmit7 [2020-10-13 15:48:23,672 INFO L130 BoogieDeclarations]: Found specification of procedure transmit8 [2020-10-13 15:48:23,672 INFO L130 BoogieDeclarations]: Found specification of procedure transmit9 [2020-10-13 15:48:23,672 INFO L130 BoogieDeclarations]: Found specification of procedure transmit10 [2020-10-13 15:48:23,672 INFO L130 BoogieDeclarations]: Found specification of procedure transmit11 [2020-10-13 15:48:23,673 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels [2020-10-13 15:48:23,674 INFO L130 BoogieDeclarations]: Found specification of procedure init_threads [2020-10-13 15:48:23,675 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2020-10-13 15:48:23,675 INFO L130 BoogieDeclarations]: Found specification of procedure eval [2020-10-13 15:48:23,675 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events [2020-10-13 15:48:23,676 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events [2020-10-13 15:48:23,676 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads [2020-10-13 15:48:23,676 INFO L130 BoogieDeclarations]: Found specification of procedure fire_time_events [2020-10-13 15:48:23,676 INFO L130 BoogieDeclarations]: Found specification of procedure reset_time_events [2020-10-13 15:48:23,676 INFO L130 BoogieDeclarations]: Found specification of procedure init_model [2020-10-13 15:48:23,676 INFO L130 BoogieDeclarations]: Found specification of procedure stop_simulation [2020-10-13 15:48:23,677 INFO L130 BoogieDeclarations]: Found specification of procedure start_simulation [2020-10-13 15:48:23,677 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-13 15:48:23,677 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-13 15:48:23,677 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-13 15:48:24,917 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-13 15:48:24,917 INFO L295 CfgBuilder]: Removed 14 assume(true) statements. [2020-10-13 15:48:24,925 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 03:48:24 BoogieIcfgContainer [2020-10-13 15:48:24,925 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-13 15:48:24,927 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-13 15:48:24,927 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-13 15:48:24,930 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-13 15:48:24,930 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 03:48:22" (1/3) ... [2020-10-13 15:48:24,931 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5bf21c6e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 03:48:24, skipping insertion in model container [2020-10-13 15:48:24,931 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:48:23" (2/3) ... [2020-10-13 15:48:24,932 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5bf21c6e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 03:48:24, skipping insertion in model container [2020-10-13 15:48:24,932 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 03:48:24" (3/3) ... [2020-10-13 15:48:24,934 INFO L109 eAbstractionObserver]: Analyzing ICFG token_ring.11.cil-2.c [2020-10-13 15:48:24,945 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-13 15:48:24,953 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-13 15:48:24,968 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-13 15:48:24,996 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-13 15:48:24,996 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-13 15:48:24,997 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-13 15:48:24,997 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-13 15:48:24,997 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-13 15:48:24,997 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-13 15:48:24,998 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-13 15:48:24,998 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-13 15:48:25,026 INFO L276 IsEmpty]: Start isEmpty. Operand 444 states. [2020-10-13 15:48:25,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2020-10-13 15:48:25,048 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 15:48:25,049 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] [2020-10-13 15:48:25,050 INFO L427 AbstractCegarLoop]: === Iteration 1 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 15:48:25,056 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 15:48:25,057 INFO L82 PathProgramCache]: Analyzing trace with hash -1969298701, now seen corresponding path program 1 times [2020-10-13 15:48:25,066 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 15:48:25,067 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1943248477] [2020-10-13 15:48:25,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 15:48:25,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:48:25,496 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:25,622 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:25,886 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:25,998 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:26,106 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:26,183 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:26,255 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:30,425 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:48:30,426 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 269 [2020-10-13 15:48:30,426 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-13 15:48:30,426 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5047 [2020-10-13 15:48:30,431 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:48:30,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 15:48:30,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 82 [2020-10-13 15:48:30,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 15:48:30,433 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 6 [2020-10-13 15:48:30,784 WARN L193 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-13 15:48:30,787 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 15:48:30,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:48:30,798 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:30,808 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:48:30,808 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:48:30,808 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:48:30,809 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-13 15:48:30,809 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:48:30,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:48:30,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:48:30,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:48:30,810 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:48:30,849 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 15:48:30,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:48:30,853 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:30,856 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:48:30,856 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:48:30,856 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:48:30,856 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 15:48:30,857 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:48:30,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:48:30,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:48:30,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:48:30,858 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:48:30,860 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 15:48:30,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:48:30,862 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:30,863 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:48:30,863 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 15:48:30,863 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:48:30,864 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:48:30,864 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:48:30,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:48:30,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:48:30,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:48:30,865 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:48:30,894 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-13 15:48:30,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:48:30,905 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:30,911 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:48:30,911 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-13 15:48:30,912 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:48:30,912 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 15:48:30,912 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:48:30,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:48:30,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:48:30,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:48:30,913 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:48:30,984 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-13 15:48:30,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:48:30,989 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:30,997 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:48:30,998 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-13 15:48:30,998 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:48:30,998 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-13 15:48:30,998 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:48:30,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:48:30,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:48:30,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:48:30,999 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:48:31,011 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-13 15:48:31,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:48:31,052 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:31,076 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:31,090 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:31,107 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:31,138 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:31,313 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:35,835 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:36,041 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:48:36,042 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 140 [2020-10-13 15:48:36,042 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-13 15:48:36,043 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5007 [2020-10-13 15:48:36,043 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:48:36,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 15:48:36,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 52 [2020-10-13 15:48:36,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 15:48:36,045 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 15:48:36,161 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 15:48:36,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:48:36,167 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:36,170 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:48:36,170 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:48:36,170 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:48:36,177 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 15:48:36,178 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:48:36,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:48:36,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:48:36,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:48:36,179 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 15:48:36,182 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 15:48:36,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:48:36,185 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:36,194 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:48:36,194 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:48:36,195 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:48:36,198 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-13 15:48:36,198 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:48:36,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:48:36,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:48:36,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:48:36,199 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:48:36,201 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-13 15:48:36,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:48:36,202 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:36,205 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:48:36,206 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:48:36,206 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:48:36,206 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 15:48:36,207 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:48:36,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:48:36,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:48:36,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:48:36,208 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 15:48:36,214 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-13 15:48:36,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:48:36,216 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:36,225 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:48:36,225 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:48:36,226 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:48:36,226 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-13 15:48:36,226 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:48:36,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:48:36,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:48:36,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:48:36,231 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-13 15:48:36,236 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-13 15:48:36,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:48:36,239 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:36,244 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:48:36,245 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:48:36,245 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:48:36,245 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 15:48:36,245 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:48:36,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 15:48:36,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:48:36,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 15:48:36,247 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 15:48:36,284 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-13 15:48:36,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:48:36,287 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:36,290 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:48:36,290 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:48:36,290 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:48:36,291 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 15:48:36,291 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:48:36,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:48:36,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 15:48:36,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:48:36,293 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 15:48:36,294 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-13 15:48:36,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:48:36,297 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:36,299 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:48:36,300 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:48:36,300 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:48:36,300 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 15:48:36,301 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:48:36,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:48:36,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 15:48:36,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:48:36,302 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 15:48:36,304 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-13 15:48:36,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:48:36,306 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:36,309 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:48:36,309 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:48:36,310 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:48:36,310 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 15:48:36,310 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:48:36,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:48:36,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 15:48:36,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:48:36,312 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 15:48:36,314 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-13 15:48:36,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:48:36,316 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:36,318 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:48:36,318 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:48:36,318 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:48:36,318 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 15:48:36,319 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:48:36,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:48:36,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 15:48:36,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:48:36,319 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:48:36,321 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-13 15:48:36,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:48:36,323 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:36,324 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:48:36,324 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:48:36,325 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:48:36,325 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:48:36,325 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:48:36,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:48:36,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 15:48:36,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:48:36,326 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:48:36,328 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-13 15:48:36,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:48:36,331 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:36,333 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:48:36,334 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:48:36,334 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:48:36,334 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 15:48:36,335 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:48:36,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:48:36,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 15:48:36,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:48:36,336 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 15:48:36,338 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-13 15:48:36,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:48:36,341 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:36,343 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:48:36,343 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:48:36,344 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:48:36,344 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 15:48:36,345 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:48:36,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:48:36,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 15:48:36,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:48:36,346 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 15:48:36,364 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2020-10-13 15:48:36,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:48:36,376 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:36,389 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:48:36,389 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-13 15:48:36,389 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:48:36,389 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-13 15:48:36,389 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:48:36,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:48:36,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 28 [2020-10-13 15:48:36,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:48:36,390 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:48:36,401 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2020-10-13 15:48:36,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:48:36,404 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:36,406 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:48:36,407 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 15:48:36,407 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:48:36,407 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 15:48:36,408 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:48:36,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:48:36,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 15:48:36,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:48:36,409 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 15:48:36,540 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 15:48:36,545 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1943248477] [2020-10-13 15:48:36,548 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 15:48:36,549 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-13 15:48:36,550 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1161658478] [2020-10-13 15:48:36,560 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-13 15:48:36,560 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 15:48:36,583 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-13 15:48:36,587 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-10-13 15:48:36,590 INFO L87 Difference]: Start difference. First operand 444 states. Second operand 10 states. [2020-10-13 15:48:36,901 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-13 15:48:37,172 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-13 15:48:38,774 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-13 15:48:39,002 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-10-13 15:48:39,246 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-13 15:48:39,642 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-10-13 15:48:45,033 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 15:48:45,034 INFO L93 Difference]: Finished difference Result 1171 states and 1936 transitions. [2020-10-13 15:48:45,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-13 15:48:45,040 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 217 [2020-10-13 15:48:45,041 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 15:48:45,067 INFO L225 Difference]: With dead ends: 1171 [2020-10-13 15:48:45,068 INFO L226 Difference]: Without dead ends: 745 [2020-10-13 15:48:45,078 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=91, Invalid=251, Unknown=0, NotChecked=0, Total=342 [2020-10-13 15:48:45,100 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 745 states. [2020-10-13 15:48:45,222 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 745 to 440. [2020-10-13 15:48:45,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 440 states. [2020-10-13 15:48:45,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 440 states to 440 states and 642 transitions. [2020-10-13 15:48:45,230 INFO L78 Accepts]: Start accepts. Automaton has 440 states and 642 transitions. Word has length 217 [2020-10-13 15:48:45,231 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 15:48:45,231 INFO L479 AbstractCegarLoop]: Abstraction has 440 states and 642 transitions. [2020-10-13 15:48:45,231 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-13 15:48:45,232 INFO L276 IsEmpty]: Start isEmpty. Operand 440 states and 642 transitions. [2020-10-13 15:48:45,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2020-10-13 15:48:45,238 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 15:48:45,238 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] [2020-10-13 15:48:45,239 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-13 15:48:45,239 INFO L427 AbstractCegarLoop]: === Iteration 2 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 15:48:45,239 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 15:48:45,239 INFO L82 PathProgramCache]: Analyzing trace with hash 32587569, now seen corresponding path program 1 times [2020-10-13 15:48:45,240 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 15:48:45,240 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1087157170] [2020-10-13 15:48:45,240 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 15:48:45,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:48:45,303 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:45,347 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:45,438 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:45,490 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:45,577 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:45,640 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:46,479 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:50,302 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:48:50,303 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 269 [2020-10-13 15:48:50,303 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-13 15:48:50,303 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5023 [2020-10-13 15:48:50,304 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:48:50,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 15:48:50,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 104 [2020-10-13 15:48:50,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 15:48:50,305 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 15:48:50,524 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-13 15:48:50,525 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 15:48:50,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:48:50,531 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:50,537 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:48:50,538 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:48:50,538 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:48:50,538 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 15:48:50,538 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:48:50,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:48:50,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:48:50,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:48:50,539 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:48:50,564 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 15:48:50,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:48:50,567 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:50,569 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:48:50,570 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:48:50,570 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:48:50,570 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 15:48:50,570 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:48:50,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:48:50,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:48:50,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:48:50,571 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:48:50,573 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 15:48:50,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:48:50,574 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:50,575 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:48:50,575 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 15:48:50,575 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:48:50,575 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:48:50,576 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:48:50,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:48:50,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:48:50,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:48:50,576 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:48:50,603 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-13 15:48:50,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:48:50,608 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:50,612 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:48:50,612 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-13 15:48:50,613 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:48:50,613 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 15:48:50,613 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:48:50,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:48:50,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:48:50,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:48:50,614 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:48:50,665 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-13 15:48:50,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:48:50,669 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:50,674 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:48:50,674 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-13 15:48:50,675 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:48:50,675 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 15:48:50,675 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:48:50,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:48:50,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:48:50,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:48:50,676 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:48:50,694 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-13 15:48:50,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:48:50,720 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:50,734 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:50,745 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:50,753 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:50,767 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:51,619 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:55,714 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:48:55,715 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 140 [2020-10-13 15:48:55,715 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-13 15:48:55,715 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-13 15:48:55,715 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:48:55,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 15:48:55,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-10-13 15:48:55,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 15:48:55,716 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:48:55,772 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 15:48:55,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:48:55,774 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:55,775 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:48:55,776 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:48:55,776 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:48:55,776 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 15:48:55,776 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:48:55,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:48:55,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:48:55,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:48:55,777 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:48:55,779 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 15:48:55,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:48:55,781 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:55,786 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:48:55,786 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:48:55,786 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:48:55,786 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 15:48:55,787 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:48:55,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 15:48:55,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:48:55,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 15:48:55,788 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:48:55,819 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-13 15:48:55,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:48:55,821 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:55,822 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:48:55,822 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:48:55,822 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:48:55,823 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:48:55,823 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:48:55,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:48:55,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 15:48:55,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:48:55,824 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:48:55,825 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-13 15:48:55,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:48:55,826 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:55,828 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:48:55,828 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:48:55,828 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:48:55,828 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:48:55,829 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:48:55,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:48:55,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 15:48:55,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:48:55,829 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:48:55,830 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-13 15:48:55,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:48:55,832 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:55,833 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:48:55,833 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:48:55,834 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:48:55,834 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:48:55,834 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:48:55,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:48:55,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 15:48:55,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:48:55,835 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:48:55,836 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-13 15:48:55,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:48:55,838 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:55,840 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:48:55,840 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:48:55,840 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:48:55,840 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 15:48:55,841 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:48:55,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:48:55,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 15:48:55,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:48:55,842 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:48:55,843 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-13 15:48:55,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:48:55,845 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:55,846 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:48:55,846 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:48:55,847 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:48:55,847 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:48:55,847 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:48:55,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:48:55,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 15:48:55,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:48:55,848 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:48:55,849 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-13 15:48:55,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:48:55,851 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:55,852 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:48:55,852 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:48:55,853 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:48:55,853 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:48:55,853 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:48:55,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:48:55,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 15:48:55,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:48:55,854 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:48:55,855 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-13 15:48:55,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:48:55,857 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:55,858 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:48:55,858 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:48:55,858 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:48:55,858 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:48:55,859 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:48:55,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:48:55,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 15:48:55,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:48:55,860 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 15:48:55,861 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-13 15:48:55,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:48:55,862 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:55,863 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:48:55,864 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:48:55,864 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:48:55,864 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:48:55,864 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:48:55,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:48:55,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 15:48:55,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:48:55,865 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:48:55,866 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-13 15:48:55,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:48:55,869 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:55,871 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:48:55,871 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:48:55,871 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:48:55,872 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 15:48:55,872 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:48:55,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:48:55,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 15:48:55,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:48:55,874 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 15:48:55,875 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-13 15:48:55,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:48:55,877 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:55,879 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:48:55,880 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:48:55,880 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:48:55,880 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 15:48:55,881 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:48:55,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:48:55,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 15:48:55,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:48:55,882 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 15:48:55,901 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2020-10-13 15:48:55,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:48:55,911 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:55,922 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:48:55,922 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-13 15:48:55,922 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:48:55,923 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-13 15:48:55,923 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:48:55,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:48:55,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 28 [2020-10-13 15:48:55,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:48:55,925 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 15:48:55,931 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2020-10-13 15:48:55,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:48:55,933 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:55,935 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:48:55,935 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 15:48:55,936 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:48:55,936 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 15:48:55,937 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:48:55,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:48:55,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 15:48:55,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:48:55,938 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 15:48:56,059 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 15:48:56,060 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1087157170] [2020-10-13 15:48:56,061 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 15:48:56,061 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-13 15:48:56,061 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [567688846] [2020-10-13 15:48:56,064 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-13 15:48:56,064 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 15:48:56,064 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-13 15:48:56,065 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-10-13 15:48:56,065 INFO L87 Difference]: Start difference. First operand 440 states and 642 transitions. Second operand 10 states. [2020-10-13 15:48:56,235 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-13 15:48:56,467 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-13 15:48:57,880 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-10-13 15:48:58,127 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-10-13 15:48:58,379 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-10-13 15:48:58,759 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-13 15:49:05,269 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 15:49:05,270 INFO L93 Difference]: Finished difference Result 1173 states and 1836 transitions. [2020-10-13 15:49:05,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-13 15:49:05,271 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 217 [2020-10-13 15:49:05,272 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 15:49:05,281 INFO L225 Difference]: With dead ends: 1173 [2020-10-13 15:49:05,281 INFO L226 Difference]: Without dead ends: 763 [2020-10-13 15:49:05,284 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=91, Invalid=251, Unknown=0, NotChecked=0, Total=342 [2020-10-13 15:49:05,286 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 763 states. [2020-10-13 15:49:05,389 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 763 to 445. [2020-10-13 15:49:05,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 445 states. [2020-10-13 15:49:05,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 445 states to 445 states and 647 transitions. [2020-10-13 15:49:05,393 INFO L78 Accepts]: Start accepts. Automaton has 445 states and 647 transitions. Word has length 217 [2020-10-13 15:49:05,394 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 15:49:05,394 INFO L479 AbstractCegarLoop]: Abstraction has 445 states and 647 transitions. [2020-10-13 15:49:05,394 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-13 15:49:05,394 INFO L276 IsEmpty]: Start isEmpty. Operand 445 states and 647 transitions. [2020-10-13 15:49:05,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2020-10-13 15:49:05,398 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 15:49:05,398 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] [2020-10-13 15:49:05,398 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-13 15:49:05,398 INFO L427 AbstractCegarLoop]: === Iteration 3 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 15:49:05,399 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 15:49:05,399 INFO L82 PathProgramCache]: Analyzing trace with hash -123392973, now seen corresponding path program 1 times [2020-10-13 15:49:05,399 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 15:49:05,400 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [890960152] [2020-10-13 15:49:05,400 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 15:49:05,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:05,469 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:05,513 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:05,624 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:05,689 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:05,780 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:05,962 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:08,591 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:10,447 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:10,448 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 269 [2020-10-13 15:49:10,448 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-13 15:49:10,448 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5006 [2020-10-13 15:49:10,448 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:10,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 15:49:10,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 82 [2020-10-13 15:49:10,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 15:49:10,449 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:49:10,687 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-13 15:49:10,690 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 15:49:10,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:10,702 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:10,708 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:10,709 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:49:10,709 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:49:10,709 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-13 15:49:10,709 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:10,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:49:10,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:49:10,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:49:10,710 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:49:10,742 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 15:49:10,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:10,745 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:10,747 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:10,747 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:49:10,747 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:49:10,747 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 15:49:10,748 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:10,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:49:10,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:49:10,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:49:10,749 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:49:10,753 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 15:49:10,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:10,755 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:10,756 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:10,756 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 15:49:10,756 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:49:10,756 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:49:10,756 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:10,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:49:10,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:49:10,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:49:10,757 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:49:10,783 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-13 15:49:10,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:10,786 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:10,792 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:10,792 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-13 15:49:10,792 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:49:10,793 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 15:49:10,793 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:10,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:49:10,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:49:10,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:49:10,794 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:49:10,848 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-13 15:49:10,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:10,852 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:10,857 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:10,857 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-13 15:49:10,858 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:49:10,858 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 15:49:10,858 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:10,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:49:10,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:49:10,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:49:10,859 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 15:49:10,865 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-13 15:49:10,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:10,887 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:10,901 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:10,914 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:10,924 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:11,008 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:15,879 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:15,879 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 140 [2020-10-13 15:49:15,879 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 15:49:15,880 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-13 15:49:15,880 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:15,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 15:49:15,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 96 [2020-10-13 15:49:15,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 15:49:15,881 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:49:15,921 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 15:49:15,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:15,923 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:15,924 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:15,924 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:49:15,924 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:49:15,924 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:49:15,924 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:15,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:49:15,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:49:15,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:49:15,925 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:49:15,926 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 15:49:15,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:15,927 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:15,928 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:15,928 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:49:15,928 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:49:15,928 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:49:15,928 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:15,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:49:15,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:49:15,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:49:15,929 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:49:15,929 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-13 15:49:15,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:15,930 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:15,931 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:15,931 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:49:15,931 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:49:15,931 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:49:15,931 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:15,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:49:15,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:49:15,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:49:15,932 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:49:15,933 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-13 15:49:15,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:15,934 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:15,935 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:15,935 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:49:15,935 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:49:15,935 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:49:15,936 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:15,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:49:15,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:49:15,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:49:15,936 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:49:15,937 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-13 15:49:15,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:15,938 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:15,939 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:15,939 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:49:15,939 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:49:15,940 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:49:15,940 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:15,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:49:15,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:49:15,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:49:15,941 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:49:15,941 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-13 15:49:15,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:15,942 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:15,943 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:15,943 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:49:15,943 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:49:15,943 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:49:15,944 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:15,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:49:15,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:49:15,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:49:15,944 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:49:15,945 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-13 15:49:15,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:15,946 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:15,947 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:15,947 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:49:15,947 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:49:15,947 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:49:15,947 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:15,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:49:15,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:49:15,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:49:15,948 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:49:15,948 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-13 15:49:15,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:15,949 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:15,950 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:15,951 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:49:15,951 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:49:15,951 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:49:15,951 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:15,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:49:15,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:49:15,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:49:15,952 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:49:15,953 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-13 15:49:15,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:15,955 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:15,957 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:15,958 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:49:15,958 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:49:15,958 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 15:49:15,958 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:15,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 15:49:15,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:49:15,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 15:49:15,959 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:49:15,980 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-13 15:49:15,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:15,981 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:15,982 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:15,982 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:49:15,983 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:49:15,983 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:49:15,983 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:15,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:49:15,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 15:49:15,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:49:15,984 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:49:15,985 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-13 15:49:15,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:15,986 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:15,987 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:15,987 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:49:15,987 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:49:15,988 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:49:15,988 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:15,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:49:15,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 15:49:15,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:49:15,989 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:49:15,989 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-13 15:49:15,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:15,991 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:15,992 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:15,992 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:49:15,993 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:49:15,993 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:49:15,993 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:15,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:49:15,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 15:49:15,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:49:15,994 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:49:16,003 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2020-10-13 15:49:16,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:16,009 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:16,014 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:16,014 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-13 15:49:16,014 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:49:16,015 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 15:49:16,015 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:16,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:49:16,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 28 [2020-10-13 15:49:16,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:49:16,016 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:49:16,020 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2020-10-13 15:49:16,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:16,021 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:16,022 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:16,023 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 15:49:16,023 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:49:16,023 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:49:16,023 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:16,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:49:16,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 15:49:16,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:49:16,024 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:49:16,084 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 15:49:16,084 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [890960152] [2020-10-13 15:49:16,085 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 15:49:16,085 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-13 15:49:16,085 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1025180098] [2020-10-13 15:49:16,086 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-13 15:49:16,086 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 15:49:16,086 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-13 15:49:16,087 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-10-13 15:49:16,087 INFO L87 Difference]: Start difference. First operand 445 states and 647 transitions. Second operand 10 states. [2020-10-13 15:49:18,132 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-13 15:49:18,351 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-10-13 15:49:18,695 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-13 15:49:19,032 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-10-13 15:49:24,569 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 15:49:24,570 INFO L93 Difference]: Finished difference Result 1162 states and 1811 transitions. [2020-10-13 15:49:24,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-13 15:49:24,570 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 217 [2020-10-13 15:49:24,571 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 15:49:24,578 INFO L225 Difference]: With dead ends: 1162 [2020-10-13 15:49:24,578 INFO L226 Difference]: Without dead ends: 747 [2020-10-13 15:49:24,581 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=91, Invalid=251, Unknown=0, NotChecked=0, Total=342 [2020-10-13 15:49:24,582 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 747 states. [2020-10-13 15:49:24,664 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 747 to 450. [2020-10-13 15:49:24,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 450 states. [2020-10-13 15:49:24,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 450 states to 450 states and 652 transitions. [2020-10-13 15:49:24,667 INFO L78 Accepts]: Start accepts. Automaton has 450 states and 652 transitions. Word has length 217 [2020-10-13 15:49:24,668 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 15:49:24,668 INFO L479 AbstractCegarLoop]: Abstraction has 450 states and 652 transitions. [2020-10-13 15:49:24,668 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-13 15:49:24,668 INFO L276 IsEmpty]: Start isEmpty. Operand 450 states and 652 transitions. [2020-10-13 15:49:24,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2020-10-13 15:49:24,671 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 15:49:24,672 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] [2020-10-13 15:49:24,672 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-13 15:49:24,672 INFO L427 AbstractCegarLoop]: === Iteration 4 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 15:49:24,672 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 15:49:24,672 INFO L82 PathProgramCache]: Analyzing trace with hash 715640689, now seen corresponding path program 1 times [2020-10-13 15:49:24,673 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 15:49:24,673 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [123043587] [2020-10-13 15:49:24,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 15:49:24,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:24,726 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:24,759 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:24,812 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:24,840 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:24,873 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:25,308 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:29,720 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:29,720 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 269 [2020-10-13 15:49:29,720 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-13 15:49:29,721 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5012 [2020-10-13 15:49:29,721 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:29,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 15:49:29,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 115 [2020-10-13 15:49:29,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 15:49:29,721 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:49:29,934 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-13 15:49:29,936 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 15:49:29,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:29,942 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:29,947 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:29,948 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:49:29,948 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:49:29,948 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 15:49:29,948 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:29,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:49:29,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:49:29,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:49:29,949 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:49:29,982 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 15:49:29,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:29,985 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:29,987 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:29,987 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:49:29,988 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:49:29,988 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 15:49:29,988 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:29,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:49:29,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:49:29,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:49:29,989 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:49:29,990 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 15:49:29,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:29,991 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:29,992 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:29,992 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 15:49:29,992 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:49:29,992 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:49:29,992 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:29,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:49:29,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:49:29,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:49:29,993 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:49:30,018 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-13 15:49:30,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:30,021 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:30,024 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:30,024 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-13 15:49:30,024 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:49:30,024 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 15:49:30,024 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:30,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:49:30,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:49:30,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:49:30,025 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:49:30,081 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-13 15:49:30,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:30,085 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:30,088 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:30,089 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-13 15:49:30,089 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:49:30,089 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 15:49:30,089 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:30,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:49:30,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:49:30,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:49:30,089 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:49:30,093 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-13 15:49:30,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:30,105 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:30,113 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:30,120 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:30,136 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:34,722 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:34,723 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 140 [2020-10-13 15:49:34,723 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 15:49:34,723 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4621 [2020-10-13 15:49:34,723 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:34,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 15:49:34,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 41 [2020-10-13 15:49:34,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 15:49:34,724 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:49:34,760 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 15:49:34,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:34,762 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:34,765 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:34,765 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:49:34,765 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:49:34,765 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 15:49:34,766 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:34,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:49:34,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:49:34,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:49:34,766 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:49:34,767 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 15:49:34,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:34,768 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:34,768 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:34,768 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:49:34,769 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:49:34,769 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:49:34,769 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:34,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:49:34,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:49:34,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:49:34,769 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:49:34,770 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-13 15:49:34,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:34,771 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:34,772 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:34,772 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:49:34,772 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:49:34,772 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:49:34,773 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:34,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:49:34,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:49:34,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:49:34,773 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:49:34,774 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-13 15:49:34,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:34,776 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:34,778 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:34,778 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:49:34,778 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:49:34,778 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 15:49:34,778 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:34,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 15:49:34,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:49:34,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 15:49:34,779 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:49:34,800 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-13 15:49:34,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:34,801 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:34,803 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:34,803 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:49:34,803 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:49:34,803 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:49:34,803 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:34,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:49:34,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 15:49:34,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:49:34,804 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:49:34,805 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-13 15:49:34,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:34,806 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:34,807 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:34,807 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:49:34,807 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:49:34,807 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:49:34,807 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:34,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:49:34,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 15:49:34,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:49:34,808 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:49:34,809 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-13 15:49:34,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:34,811 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:34,812 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:34,812 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:49:34,812 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:49:34,812 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:49:34,813 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:34,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:49:34,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 15:49:34,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:49:34,813 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:49:34,814 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-13 15:49:34,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:34,816 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:34,817 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:34,817 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:49:34,817 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:49:34,818 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:49:34,818 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:34,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:49:34,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 15:49:34,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:49:34,818 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:49:34,819 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-13 15:49:34,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:34,821 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:34,822 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:34,822 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:49:34,822 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:49:34,822 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:49:34,823 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:34,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:49:34,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 15:49:34,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:49:34,823 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:49:34,824 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-13 15:49:34,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:34,826 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:34,827 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:34,827 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:49:34,827 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:49:34,827 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:49:34,828 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:34,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:49:34,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 15:49:34,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:49:34,828 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:49:34,829 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-13 15:49:34,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:34,831 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:34,832 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:34,832 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:49:34,832 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:49:34,832 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:49:34,833 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:34,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:49:34,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 15:49:34,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:49:34,833 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:49:34,834 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-13 15:49:34,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:34,836 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:34,837 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:34,837 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:49:34,837 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:49:34,837 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:49:34,838 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:34,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:49:34,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 15:49:34,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:49:34,838 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:49:34,847 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2020-10-13 15:49:34,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:34,853 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:34,858 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:34,858 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-13 15:49:34,859 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:49:34,859 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 15:49:34,859 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:34,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:49:34,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 28 [2020-10-13 15:49:34,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:49:34,860 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:49:34,872 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2020-10-13 15:49:34,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:34,874 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:34,875 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:34,875 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 15:49:34,875 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:49:34,876 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:49:34,876 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:34,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:49:34,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 15:49:34,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:49:34,876 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:49:34,931 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 15:49:34,932 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [123043587] [2020-10-13 15:49:34,932 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 15:49:34,932 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-13 15:49:34,932 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [538787701] [2020-10-13 15:49:34,933 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-13 15:49:34,933 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 15:49:34,933 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-13 15:49:34,934 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-10-13 15:49:34,934 INFO L87 Difference]: Start difference. First operand 450 states and 652 transitions. Second operand 10 states. [2020-10-13 15:49:36,483 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-13 15:49:36,705 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-10-13 15:49:36,929 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-10-13 15:49:37,280 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-10-13 15:49:42,646 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 15:49:42,647 INFO L93 Difference]: Finished difference Result 1193 states and 1855 transitions. [2020-10-13 15:49:42,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-13 15:49:42,648 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 217 [2020-10-13 15:49:42,649 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 15:49:42,655 INFO L225 Difference]: With dead ends: 1193 [2020-10-13 15:49:42,656 INFO L226 Difference]: Without dead ends: 773 [2020-10-13 15:49:42,658 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=91, Invalid=251, Unknown=0, NotChecked=0, Total=342 [2020-10-13 15:49:42,660 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 773 states. [2020-10-13 15:49:42,728 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 773 to 455. [2020-10-13 15:49:42,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 455 states. [2020-10-13 15:49:42,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 455 states to 455 states and 657 transitions. [2020-10-13 15:49:42,730 INFO L78 Accepts]: Start accepts. Automaton has 455 states and 657 transitions. Word has length 217 [2020-10-13 15:49:42,731 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 15:49:42,731 INFO L479 AbstractCegarLoop]: Abstraction has 455 states and 657 transitions. [2020-10-13 15:49:42,731 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-13 15:49:42,731 INFO L276 IsEmpty]: Start isEmpty. Operand 455 states and 657 transitions. [2020-10-13 15:49:42,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2020-10-13 15:49:42,734 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 15:49:42,734 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] [2020-10-13 15:49:42,735 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-13 15:49:42,735 INFO L427 AbstractCegarLoop]: === Iteration 5 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 15:49:42,735 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 15:49:42,735 INFO L82 PathProgramCache]: Analyzing trace with hash 1577474291, now seen corresponding path program 1 times [2020-10-13 15:49:42,736 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 15:49:42,736 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1002612752] [2020-10-13 15:49:42,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 15:49:42,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:42,783 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:42,813 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:42,857 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:42,883 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:42,975 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:44,654 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:44,738 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:44,787 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:44,829 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:44,861 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:45,080 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:45,129 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:45,171 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:45,197 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:45,222 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:45,247 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:45,272 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:45,297 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:45,325 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:45,348 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:45,373 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:45,395 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:45,416 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:45,465 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:45,609 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:45,649 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:45,700 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:45,744 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:47,785 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:47,785 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 269 [2020-10-13 15:49:47,785 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 28 [2020-10-13 15:49:47,785 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5018 [2020-10-13 15:49:47,785 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:47,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 15:49:47,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 181 [2020-10-13 15:49:47,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 15:49:47,786 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:49:47,990 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-13 15:49:47,991 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 15:49:47,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:47,998 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:48,002 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:48,002 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:49:48,003 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:49:48,003 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 15:49:48,003 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:48,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:49:48,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:49:48,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:49:48,003 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:49:48,036 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 15:49:48,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:48,040 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:48,043 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:48,043 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:49:48,044 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:49:48,044 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 15:49:48,044 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:48,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:49:48,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:49:48,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:49:48,044 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:49:48,046 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 15:49:48,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:48,047 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:48,047 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:48,047 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 15:49:48,047 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:49:48,047 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:49:48,048 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:48,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:49:48,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:49:48,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:49:48,048 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:49:48,091 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-13 15:49:48,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:48,095 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:48,097 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:48,097 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-13 15:49:48,098 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:49:48,098 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 15:49:48,098 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:48,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:49:48,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:49:48,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:49:48,098 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:49:48,153 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-13 15:49:48,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:48,156 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:48,160 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:48,160 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-13 15:49:48,160 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:49:48,160 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 15:49:48,160 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:48,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:49:48,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:49:48,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:49:48,161 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:49:48,164 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-13 15:49:48,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:48,176 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:48,184 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:48,190 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:48,939 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:48,939 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 140 [2020-10-13 15:49:48,939 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 15:49:48,940 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 767 [2020-10-13 15:49:48,940 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:48,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 15:49:48,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 107 [2020-10-13 15:49:48,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 15:49:48,940 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:49:48,986 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 15:49:48,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:48,987 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:48,989 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:48,989 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:49:48,989 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:49:48,989 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:49:48,989 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:48,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:49:48,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:49:48,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:49:48,990 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:49:48,991 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 15:49:48,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:48,992 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:48,992 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:48,993 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:49:48,993 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:49:48,993 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:49:48,993 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:48,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:49:48,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:49:48,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:49:48,994 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:49:48,994 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-13 15:49:48,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:48,995 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:48,996 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:48,996 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:49:48,996 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:49:48,996 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:49:48,996 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:48,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:49:48,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:49:48,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:49:48,997 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:49:48,997 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-13 15:49:48,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:48,998 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:48,999 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:49,000 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:49:49,000 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:49:49,000 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:49:49,000 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:49,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:49:49,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:49:49,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:49:49,001 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:49:49,002 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-13 15:49:49,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:49,003 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:49,003 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:49,003 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:49:49,003 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:49:49,004 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:49:49,004 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:49,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:49:49,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:49:49,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:49:49,004 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:49:49,005 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-13 15:49:49,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:49,006 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:49,006 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:49,006 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:49:49,006 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:49:49,006 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:49:49,007 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:49,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:49:49,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:49:49,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:49:49,007 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:49:49,008 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-13 15:49:49,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:49,008 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:49,009 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:49,009 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:49:49,009 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:49:49,010 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:49:49,010 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:49,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:49:49,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:49:49,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:49:49,010 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:49:49,011 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-13 15:49:49,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:49,012 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:49,013 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:49,013 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:49:49,013 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:49:49,013 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:49:49,013 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:49,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:49:49,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:49:49,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:49:49,014 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:49:49,014 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-13 15:49:49,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:49,015 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:49,016 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:49,016 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:49:49,016 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:49:49,016 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:49:49,016 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:49,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:49:49,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:49:49,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:49:49,017 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:49:49,017 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-13 15:49:49,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:49,018 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:49,020 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:49,020 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:49:49,020 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:49:49,021 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 15:49:49,021 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:49,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 15:49:49,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:49:49,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 15:49:49,022 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:49:49,048 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-13 15:49:49,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:49,050 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:49,051 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:49,051 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:49:49,051 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:49:49,052 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:49:49,052 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:49,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:49:49,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 15:49:49,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:49:49,052 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:49:49,053 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-13 15:49:49,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:49,055 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:49,055 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:49,055 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:49:49,056 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:49:49,056 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:49:49,056 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:49,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:49:49,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 15:49:49,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:49:49,056 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:49:49,062 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2020-10-13 15:49:49,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:49,067 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:49,070 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:49,071 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-13 15:49:49,071 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:49:49,071 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 15:49:49,071 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:49,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:49:49,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 28 [2020-10-13 15:49:49,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:49:49,071 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:49:49,074 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2020-10-13 15:49:49,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:49,076 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:49,076 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:49,077 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 15:49:49,077 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:49:49,077 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:49:49,077 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:49,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:49:49,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 15:49:49,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:49:49,077 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:49:49,112 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 15:49:49,113 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1002612752] [2020-10-13 15:49:49,113 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 15:49:49,113 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-13 15:49:49,113 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1585855889] [2020-10-13 15:49:49,114 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-13 15:49:49,114 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 15:49:49,114 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-13 15:49:49,114 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-10-13 15:49:49,114 INFO L87 Difference]: Start difference. First operand 455 states and 657 transitions. Second operand 10 states. [2020-10-13 15:49:51,290 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-13 15:49:51,556 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-10-13 15:49:51,926 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-10-13 15:49:52,283 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-10-13 15:49:57,563 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 15:49:57,563 INFO L93 Difference]: Finished difference Result 1183 states and 1832 transitions. [2020-10-13 15:49:57,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-13 15:49:57,564 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 217 [2020-10-13 15:49:57,565 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 15:49:57,570 INFO L225 Difference]: With dead ends: 1183 [2020-10-13 15:49:57,570 INFO L226 Difference]: Without dead ends: 758 [2020-10-13 15:49:57,572 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=91, Invalid=251, Unknown=0, NotChecked=0, Total=342 [2020-10-13 15:49:57,574 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 758 states. [2020-10-13 15:49:57,643 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 758 to 460. [2020-10-13 15:49:57,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 460 states. [2020-10-13 15:49:57,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 460 states to 460 states and 662 transitions. [2020-10-13 15:49:57,646 INFO L78 Accepts]: Start accepts. Automaton has 460 states and 662 transitions. Word has length 217 [2020-10-13 15:49:57,646 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 15:49:57,646 INFO L479 AbstractCegarLoop]: Abstraction has 460 states and 662 transitions. [2020-10-13 15:49:57,647 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-13 15:49:57,647 INFO L276 IsEmpty]: Start isEmpty. Operand 460 states and 662 transitions. [2020-10-13 15:49:57,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2020-10-13 15:49:57,648 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 15:49:57,649 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] [2020-10-13 15:49:57,649 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-13 15:49:57,649 INFO L427 AbstractCegarLoop]: === Iteration 6 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 15:49:57,649 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 15:49:57,649 INFO L82 PathProgramCache]: Analyzing trace with hash 1084848117, now seen corresponding path program 1 times [2020-10-13 15:49:57,650 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 15:49:57,650 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1860702122] [2020-10-13 15:49:57,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 15:49:57,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:57,687 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:57,707 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:57,750 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:57,775 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:58,171 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:58,451 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:58,472 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:58,489 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:58,524 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:58,555 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:58,607 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:58,672 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:58,742 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:58,811 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:58,878 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:58,923 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:58,962 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:59,006 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:59,057 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:59,097 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:59,115 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:59,136 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:59,155 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:59,184 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:59,207 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:59,221 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:59,232 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:59,243 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:02,691 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:02,692 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 269 [2020-10-13 15:50:02,692 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 28 [2020-10-13 15:50:02,692 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5016 [2020-10-13 15:50:02,692 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:02,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 15:50:02,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 104 [2020-10-13 15:50:02,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 15:50:02,693 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:02,914 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-13 15:50:02,915 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 15:50:02,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:02,923 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:02,927 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:02,927 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:50:02,927 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:02,927 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 15:50:02,928 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:02,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:50:02,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:50:02,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:50:02,928 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:02,957 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 15:50:02,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:02,959 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:02,960 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:02,961 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:50:02,961 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:02,961 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:50:02,961 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:02,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:50:02,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:50:02,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:50:02,961 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:02,962 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 15:50:02,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:02,963 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:02,963 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:02,964 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 15:50:02,964 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:02,964 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:50:02,964 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:02,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:50:02,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:50:02,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:50:02,964 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:02,990 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-13 15:50:02,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:02,992 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:02,994 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:02,995 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-13 15:50:02,995 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:02,995 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 15:50:02,995 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:02,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:50:02,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:50:02,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:50:02,995 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:03,057 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-13 15:50:03,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:03,062 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:03,066 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:03,066 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-13 15:50:03,066 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:03,066 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 15:50:03,066 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:03,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:50:03,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:50:03,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:50:03,067 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:03,070 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-13 15:50:03,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:03,087 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:03,099 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:03,288 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:03,288 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 140 [2020-10-13 15:50:03,289 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 15:50:03,289 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 208 [2020-10-13 15:50:03,289 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:03,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 15:50:03,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 15:50:03,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 15:50:03,290 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:03,330 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 15:50:03,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:03,333 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:03,335 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:03,335 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:50:03,335 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:03,335 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 15:50:03,335 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:03,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 15:50:03,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:50:03,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 15:50:03,336 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:03,368 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 15:50:03,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:03,370 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:03,371 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:03,372 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:50:03,372 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:03,372 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:50:03,372 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:03,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:50:03,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 15:50:03,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:50:03,373 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:03,374 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-13 15:50:03,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:03,375 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:03,376 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:03,376 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:50:03,377 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:03,377 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:50:03,377 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:03,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:50:03,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 15:50:03,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:50:03,378 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:03,379 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-13 15:50:03,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:03,380 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:03,381 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:03,381 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:50:03,381 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:03,381 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:50:03,381 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:03,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:50:03,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 15:50:03,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:50:03,382 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:03,383 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-13 15:50:03,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:03,384 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:03,385 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:03,385 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:50:03,385 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:03,386 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:50:03,386 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:03,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:50:03,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 15:50:03,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:50:03,387 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:03,387 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-13 15:50:03,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:03,389 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:03,390 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:03,390 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:50:03,390 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:03,390 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:50:03,391 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:03,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:50:03,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 15:50:03,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:50:03,391 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:03,392 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-13 15:50:03,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:03,394 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:03,395 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:03,395 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:50:03,395 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:03,395 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:50:03,395 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:03,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:50:03,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 15:50:03,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:50:03,396 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:03,397 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-13 15:50:03,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:03,399 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:03,400 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:03,400 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:50:03,400 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:03,400 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:50:03,400 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:03,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:50:03,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 15:50:03,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:50:03,401 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:03,402 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-13 15:50:03,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:03,403 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:03,404 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:03,404 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:50:03,404 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:03,405 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:50:03,405 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:03,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:50:03,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 15:50:03,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:50:03,405 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:03,406 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-13 15:50:03,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:03,408 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:03,409 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:03,409 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:50:03,409 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:03,409 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:50:03,410 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:03,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:50:03,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 15:50:03,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:50:03,410 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:03,411 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-13 15:50:03,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:03,413 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:03,414 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:03,414 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:50:03,414 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:03,414 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:50:03,414 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:03,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:50:03,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 15:50:03,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:50:03,415 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:03,416 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-13 15:50:03,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:03,417 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:03,418 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:03,419 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:50:03,419 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:03,419 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:50:03,419 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:03,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:50:03,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 15:50:03,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:50:03,420 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:03,425 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2020-10-13 15:50:03,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:03,431 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:03,434 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:03,435 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-13 15:50:03,435 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:03,435 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 15:50:03,435 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:03,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:50:03,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 28 [2020-10-13 15:50:03,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:50:03,436 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:03,440 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2020-10-13 15:50:03,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:03,441 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:03,442 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:03,442 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 15:50:03,442 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:03,442 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:50:03,442 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:03,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:50:03,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 15:50:03,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:50:03,442 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:03,478 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 15:50:03,478 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1860702122] [2020-10-13 15:50:03,478 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 15:50:03,479 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-13 15:50:03,479 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1298671434] [2020-10-13 15:50:03,479 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-13 15:50:03,480 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 15:50:03,480 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-13 15:50:03,480 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-10-13 15:50:03,480 INFO L87 Difference]: Start difference. First operand 460 states and 662 transitions. Second operand 10 states. [2020-10-13 15:50:05,202 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-10-13 15:50:05,572 WARN L193 SmtUtils]: Spent 329.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-10-13 15:50:05,940 WARN L193 SmtUtils]: Spent 315.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-10-13 15:50:06,295 WARN L193 SmtUtils]: Spent 310.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-10-13 15:50:06,631 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-13 15:50:13,482 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 15:50:13,482 INFO L93 Difference]: Finished difference Result 1225 states and 1893 transitions. [2020-10-13 15:50:13,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-13 15:50:13,483 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 217 [2020-10-13 15:50:13,483 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 15:50:13,489 INFO L225 Difference]: With dead ends: 1225 [2020-10-13 15:50:13,489 INFO L226 Difference]: Without dead ends: 795 [2020-10-13 15:50:13,497 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=84, Invalid=222, Unknown=0, NotChecked=0, Total=306 [2020-10-13 15:50:13,498 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 795 states. [2020-10-13 15:50:13,577 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 795 to 465. [2020-10-13 15:50:13,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 465 states. [2020-10-13 15:50:13,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 465 states to 465 states and 667 transitions. [2020-10-13 15:50:13,579 INFO L78 Accepts]: Start accepts. Automaton has 465 states and 667 transitions. Word has length 217 [2020-10-13 15:50:13,580 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 15:50:13,580 INFO L479 AbstractCegarLoop]: Abstraction has 465 states and 667 transitions. [2020-10-13 15:50:13,580 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-13 15:50:13,580 INFO L276 IsEmpty]: Start isEmpty. Operand 465 states and 667 transitions. [2020-10-13 15:50:13,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2020-10-13 15:50:13,582 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 15:50:13,582 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] [2020-10-13 15:50:13,582 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-13 15:50:13,582 INFO L427 AbstractCegarLoop]: === Iteration 7 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 15:50:13,583 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 15:50:13,583 INFO L82 PathProgramCache]: Analyzing trace with hash 161680691, now seen corresponding path program 1 times [2020-10-13 15:50:13,583 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 15:50:13,583 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [33305929] [2020-10-13 15:50:13,583 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 15:50:13,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:13,624 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:13,645 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:13,688 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:13,780 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:13,895 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:13,937 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:13,955 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:13,988 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:14,113 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:14,239 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:14,286 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:14,328 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:14,394 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:14,414 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:14,432 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:14,449 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:14,465 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:14,480 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:14,496 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:14,512 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:14,526 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:14,542 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:14,557 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:14,582 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:14,632 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:14,652 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:14,672 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:14,691 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:14,776 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:17,079 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:18,624 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:18,625 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 269 [2020-10-13 15:50:18,625 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 30 [2020-10-13 15:50:18,625 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5012 [2020-10-13 15:50:18,625 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:18,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 15:50:18,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 104 [2020-10-13 15:50:18,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 15:50:18,625 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:18,828 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-13 15:50:18,829 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 15:50:18,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:18,838 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:18,843 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:18,843 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:50:18,843 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:18,843 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 15:50:18,843 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:18,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:50:18,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:50:18,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:50:18,844 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:18,871 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 15:50:18,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:18,874 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:18,876 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:18,876 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:50:18,876 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:18,876 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 15:50:18,876 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:18,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:50:18,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:50:18,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:50:18,877 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:18,879 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 15:50:18,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:18,880 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:18,880 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:18,880 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 15:50:18,880 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:18,881 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:50:18,881 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:18,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:50:18,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:50:18,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:50:18,882 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:18,907 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-13 15:50:18,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:18,910 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:18,912 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:18,912 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-13 15:50:18,913 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:18,913 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 15:50:18,913 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:18,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:50:18,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:50:18,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:50:18,913 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:18,970 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-13 15:50:18,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:18,973 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:18,978 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:18,978 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-13 15:50:18,978 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:18,979 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 15:50:18,979 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:18,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:50:18,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:50:18,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:50:18,979 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:18,982 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-13 15:50:18,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:18,995 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:19,026 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:19,027 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 140 [2020-10-13 15:50:19,027 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:19,027 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-10-13 15:50:19,027 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:19,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 15:50:19,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 30 [2020-10-13 15:50:19,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 15:50:19,027 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:19,057 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 15:50:19,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:19,059 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:19,060 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:19,060 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:50:19,060 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:19,060 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:50:19,061 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:19,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:50:19,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:50:19,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:50:19,061 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:19,062 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 15:50:19,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:19,063 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:19,064 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:19,064 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:50:19,064 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:19,064 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:50:19,064 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:19,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:50:19,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:50:19,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:50:19,065 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:19,065 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-13 15:50:19,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:19,066 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:19,068 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:19,068 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:50:19,068 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:19,068 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:50:19,069 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:19,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 15:50:19,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:50:19,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 15:50:19,069 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:19,089 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-13 15:50:19,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:19,090 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:19,091 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:19,091 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:50:19,092 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:19,092 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:50:19,092 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:19,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:50:19,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 15:50:19,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:50:19,092 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:19,093 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-13 15:50:19,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:19,094 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:19,095 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:19,095 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:50:19,095 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:19,095 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:50:19,095 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:19,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:50:19,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 15:50:19,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:50:19,096 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:19,096 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-13 15:50:19,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:19,097 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:19,098 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:19,098 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:50:19,098 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:19,099 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:50:19,099 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:19,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:50:19,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 15:50:19,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:50:19,099 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:19,100 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-13 15:50:19,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:19,101 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:19,102 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:19,102 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:50:19,102 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:19,103 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:50:19,103 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:19,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:50:19,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 15:50:19,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:50:19,103 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:19,104 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-13 15:50:19,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:19,105 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:19,106 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:19,106 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:50:19,106 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:19,106 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:50:19,107 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:19,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:50:19,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 15:50:19,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:50:19,107 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:19,108 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-13 15:50:19,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:19,109 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:19,109 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:19,109 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:50:19,110 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:19,110 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:50:19,110 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:19,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:50:19,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 15:50:19,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:50:19,110 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:19,111 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-13 15:50:19,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:19,112 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:19,113 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:19,113 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:50:19,114 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:19,114 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:50:19,114 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:19,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:50:19,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 15:50:19,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:50:19,114 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:19,115 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-13 15:50:19,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:19,116 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:19,117 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:19,117 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:50:19,117 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:19,117 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:50:19,117 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:19,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:50:19,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 15:50:19,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:50:19,118 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:19,119 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-13 15:50:19,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:19,120 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:19,120 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:19,120 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:50:19,121 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:19,121 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:50:19,121 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:19,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:50:19,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 15:50:19,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:50:19,121 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:19,126 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2020-10-13 15:50:19,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:19,130 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:19,135 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:19,135 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-13 15:50:19,135 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:19,135 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 15:50:19,135 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:19,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:50:19,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 28 [2020-10-13 15:50:19,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:50:19,136 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:19,138 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2020-10-13 15:50:19,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:19,139 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:19,140 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:19,140 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 15:50:19,140 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:19,140 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:50:19,140 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:19,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:50:19,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 15:50:19,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:50:19,141 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:19,175 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 15:50:19,176 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [33305929] [2020-10-13 15:50:19,176 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 15:50:19,176 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-13 15:50:19,176 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1301331889] [2020-10-13 15:50:19,177 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-13 15:50:19,177 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 15:50:19,177 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-13 15:50:19,177 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-10-13 15:50:19,177 INFO L87 Difference]: Start difference. First operand 465 states and 667 transitions. Second operand 10 states. [2020-10-13 15:50:20,598 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-13 15:50:20,823 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-10-13 15:50:21,163 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-13 15:50:21,502 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-10-13 15:50:27,164 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 15:50:27,165 INFO L93 Difference]: Finished difference Result 1234 states and 1902 transitions. [2020-10-13 15:50:27,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-13 15:50:27,166 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 217 [2020-10-13 15:50:27,166 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 15:50:27,171 INFO L225 Difference]: With dead ends: 1234 [2020-10-13 15:50:27,172 INFO L226 Difference]: Without dead ends: 799 [2020-10-13 15:50:27,174 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=91, Invalid=251, Unknown=0, NotChecked=0, Total=342 [2020-10-13 15:50:27,175 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 799 states. [2020-10-13 15:50:27,255 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 799 to 470. [2020-10-13 15:50:27,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 470 states. [2020-10-13 15:50:27,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 470 states to 470 states and 672 transitions. [2020-10-13 15:50:27,258 INFO L78 Accepts]: Start accepts. Automaton has 470 states and 672 transitions. Word has length 217 [2020-10-13 15:50:27,258 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 15:50:27,258 INFO L479 AbstractCegarLoop]: Abstraction has 470 states and 672 transitions. [2020-10-13 15:50:27,258 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-13 15:50:27,258 INFO L276 IsEmpty]: Start isEmpty. Operand 470 states and 672 transitions. [2020-10-13 15:50:27,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2020-10-13 15:50:27,260 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 15:50:27,260 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] [2020-10-13 15:50:27,260 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-13 15:50:27,261 INFO L427 AbstractCegarLoop]: === Iteration 8 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 15:50:27,261 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 15:50:27,261 INFO L82 PathProgramCache]: Analyzing trace with hash 450500081, now seen corresponding path program 1 times [2020-10-13 15:50:27,261 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 15:50:27,261 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1736868658] [2020-10-13 15:50:27,262 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 15:50:27,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:27,307 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:27,332 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:27,375 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:27,458 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:27,529 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:27,558 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:27,633 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:27,720 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:27,775 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:27,811 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:27,845 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:27,879 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:27,910 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:27,940 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:27,969 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:27,995 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:28,023 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:28,051 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:28,075 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:28,102 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:28,129 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:28,185 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:28,341 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:28,393 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:28,446 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:28,498 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:32,310 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:32,311 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 269 [2020-10-13 15:50:32,311 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 26 [2020-10-13 15:50:32,311 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5020 [2020-10-13 15:50:32,311 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:32,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:50:32,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-13 15:50:32,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-13 15:50:32,312 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:32,525 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-13 15:50:32,525 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 15:50:32,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:32,531 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:32,535 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:32,535 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:50:32,535 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:32,536 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 15:50:32,536 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:32,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:50:32,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:50:32,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:50:32,536 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:32,563 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 15:50:32,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:32,566 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:32,568 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:32,568 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:50:32,568 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:32,568 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 15:50:32,569 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:32,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:50:32,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:50:32,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-13 15:50:32,569 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:32,571 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 15:50:32,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:32,572 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:32,573 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:32,573 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 15:50:32,573 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:32,573 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:50:32,573 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:32,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:50:32,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:50:32,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-13 15:50:32,574 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:32,600 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-13 15:50:32,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:32,604 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:32,610 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:32,610 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-13 15:50:32,610 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:32,611 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 15:50:32,611 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:32,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:50:32,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-13 15:50:32,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-13 15:50:32,611 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:32,698 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-13 15:50:32,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:32,706 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:32,710 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:32,710 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-13 15:50:32,710 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:32,711 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 15:50:32,711 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:32,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:50:32,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 28 [2020-10-13 15:50:32,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:50:32,711 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:32,714 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-13 15:50:32,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:32,723 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:32,731 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:32,732 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 140 [2020-10-13 15:50:32,732 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:32,732 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-13 15:50:32,732 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:32,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:50:32,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 137 [2020-10-13 15:50:32,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:50:32,733 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:32,737 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 15:50:32,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:32,738 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:32,739 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:32,739 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:50:32,739 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:32,739 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:50:32,739 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:32,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:50:32,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:50:32,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:50:32,740 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:32,741 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 15:50:32,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:32,741 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:32,742 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:32,742 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:50:32,742 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:32,742 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:50:32,742 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:32,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:50:32,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:50:32,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:50:32,743 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:32,743 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-13 15:50:32,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:32,744 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:32,744 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:32,744 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:50:32,745 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:32,745 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:50:32,745 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:32,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:50:32,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:50:32,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:50:32,745 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:32,746 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-13 15:50:32,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:32,746 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:32,747 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:32,747 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:50:32,747 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:32,747 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:50:32,747 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:32,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:50:32,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:50:32,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:50:32,748 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:32,748 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-13 15:50:32,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:32,749 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:32,749 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:32,749 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:50:32,750 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:32,750 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:50:32,750 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:32,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:50:32,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:50:32,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:50:32,750 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:32,751 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-13 15:50:32,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:32,751 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:32,752 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:32,752 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:50:32,752 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:32,752 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:50:32,752 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:32,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:50:32,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:50:32,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:50:32,753 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:32,753 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-13 15:50:32,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:32,754 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:32,755 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:32,755 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:50:32,755 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:32,755 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:50:32,755 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:32,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:50:32,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:50:32,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:50:32,756 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:32,756 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-13 15:50:32,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:32,757 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:32,758 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:32,758 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:50:32,758 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:32,758 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:50:32,758 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:32,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:50:32,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:50:32,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:50:32,759 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:32,759 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-13 15:50:32,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:32,760 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:32,760 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:32,760 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:50:32,761 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:32,761 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:50:32,761 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:32,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:50:32,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:50:32,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:50:32,761 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:32,762 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-13 15:50:32,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:32,763 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:32,763 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:32,764 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:50:32,764 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:32,764 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:50:32,764 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:32,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:50:32,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:50:32,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:50:32,765 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:32,765 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-13 15:50:32,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:32,766 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:32,766 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:32,767 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:50:32,767 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:32,767 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:50:32,767 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:32,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:50:32,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:50:32,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:50:32,767 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:32,768 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-13 15:50:32,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:32,769 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:32,769 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:32,769 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:50:32,770 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:32,770 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:50:32,770 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:32,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:50:32,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:50:32,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:50:32,770 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:32,775 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2020-10-13 15:50:32,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:32,780 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:32,784 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:32,784 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-13 15:50:32,784 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:32,784 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 15:50:32,785 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:32,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:50:32,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 28 [2020-10-13 15:50:32,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:50:32,785 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:32,788 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2020-10-13 15:50:32,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:32,789 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:32,790 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:32,790 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 15:50:32,790 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:32,790 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:50:32,791 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:32,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:50:32,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 15:50:32,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:50:32,791 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:32,827 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 15:50:32,827 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1736868658] [2020-10-13 15:50:32,827 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 15:50:32,827 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-13 15:50:32,827 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2001392621] [2020-10-13 15:50:32,828 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-13 15:50:32,828 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 15:50:32,828 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-13 15:50:32,829 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-10-13 15:50:32,829 INFO L87 Difference]: Start difference. First operand 470 states and 672 transitions. Second operand 8 states. [2020-10-13 15:50:33,052 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-13 15:50:33,376 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-13 15:50:39,548 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 15:50:39,548 INFO L93 Difference]: Finished difference Result 1217 states and 1825 transitions. [2020-10-13 15:50:39,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-13 15:50:39,549 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 217 [2020-10-13 15:50:39,549 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 15:50:39,554 INFO L225 Difference]: With dead ends: 1217 [2020-10-13 15:50:39,554 INFO L226 Difference]: Without dead ends: 762 [2020-10-13 15:50:39,556 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=55, Invalid=127, Unknown=0, NotChecked=0, Total=182 [2020-10-13 15:50:39,557 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 762 states. [2020-10-13 15:50:39,625 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 762 to 470. [2020-10-13 15:50:39,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 470 states. [2020-10-13 15:50:39,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 470 states to 470 states and 671 transitions. [2020-10-13 15:50:39,627 INFO L78 Accepts]: Start accepts. Automaton has 470 states and 671 transitions. Word has length 217 [2020-10-13 15:50:39,627 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 15:50:39,627 INFO L479 AbstractCegarLoop]: Abstraction has 470 states and 671 transitions. [2020-10-13 15:50:39,627 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-13 15:50:39,627 INFO L276 IsEmpty]: Start isEmpty. Operand 470 states and 671 transitions. [2020-10-13 15:50:39,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2020-10-13 15:50:39,629 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 15:50:39,629 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] [2020-10-13 15:50:39,629 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-13 15:50:39,629 INFO L427 AbstractCegarLoop]: === Iteration 9 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 15:50:39,629 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 15:50:39,630 INFO L82 PathProgramCache]: Analyzing trace with hash -1876662289, now seen corresponding path program 1 times [2020-10-13 15:50:39,630 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 15:50:39,630 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [330673652] [2020-10-13 15:50:39,630 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 15:50:39,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:39,669 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:39,696 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:39,746 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:39,831 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:39,907 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:39,937 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:40,015 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:40,110 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:40,183 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:40,239 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:40,290 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:40,330 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:40,360 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:40,390 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:40,419 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:40,446 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:40,511 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:40,537 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:40,560 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:40,587 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:40,613 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:40,667 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:40,812 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:40,861 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:40,909 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:40,958 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:44,673 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:44,674 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 269 [2020-10-13 15:50:44,674 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 26 [2020-10-13 15:50:44,674 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5017 [2020-10-13 15:50:44,674 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:44,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:50:44,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-13 15:50:44,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-13 15:50:44,675 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:44,883 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-13 15:50:44,884 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 15:50:44,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:44,889 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:44,893 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:44,893 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:50:44,893 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:44,893 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 15:50:44,893 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:44,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:50:44,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:50:44,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:50:44,894 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:44,920 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 15:50:44,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:44,923 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:44,925 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:44,926 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:50:44,926 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:44,926 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 15:50:44,926 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:44,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:50:44,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:50:44,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-13 15:50:44,926 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:44,928 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 15:50:44,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:44,929 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:44,930 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:44,930 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 15:50:44,930 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:44,930 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:50:44,930 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:44,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:50:44,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:50:44,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-13 15:50:44,931 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:44,957 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-13 15:50:44,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:44,961 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:44,965 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:44,966 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-13 15:50:44,966 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:44,966 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 15:50:44,966 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:44,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:50:44,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-13 15:50:44,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 15:50:44,967 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:45,034 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-13 15:50:45,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:45,042 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:45,047 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:45,047 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-13 15:50:45,048 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:45,048 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 15:50:45,048 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:45,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:50:45,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 28 [2020-10-13 15:50:45,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:50:45,048 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:45,051 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-13 15:50:45,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:45,061 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:45,071 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:45,071 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 140 [2020-10-13 15:50:45,071 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:45,071 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-13 15:50:45,071 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:45,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:50:45,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 137 [2020-10-13 15:50:45,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:50:45,072 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:45,076 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 15:50:45,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:45,077 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:45,078 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:45,078 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:50:45,078 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:45,078 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:50:45,078 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:45,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:50:45,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:50:45,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:50:45,079 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:45,079 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 15:50:45,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:45,080 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:45,081 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:45,081 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:50:45,081 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:45,081 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:50:45,081 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:45,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:50:45,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:50:45,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:50:45,082 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:45,082 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-13 15:50:45,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:45,083 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:45,084 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:45,084 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:50:45,084 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:45,084 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:50:45,084 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:45,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:50:45,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:50:45,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:50:45,084 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:45,085 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-13 15:50:45,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:45,086 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:45,086 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:45,086 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:50:45,086 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:45,087 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:50:45,087 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:45,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:50:45,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:50:45,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:50:45,087 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:45,088 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-13 15:50:45,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:45,088 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:45,089 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:45,089 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:50:45,089 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:45,089 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:50:45,089 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:45,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:50:45,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:50:45,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:50:45,090 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:45,090 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-13 15:50:45,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:45,091 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:45,092 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:45,092 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:50:45,092 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:45,092 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:50:45,092 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:45,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:50:45,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:50:45,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:50:45,093 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:45,093 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-13 15:50:45,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:45,094 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:45,094 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:45,095 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:50:45,095 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:45,095 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:50:45,095 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:45,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:50:45,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:50:45,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:50:45,095 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:45,096 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-13 15:50:45,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:45,097 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:45,098 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:45,098 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:50:45,098 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:45,099 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:50:45,099 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:45,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:50:45,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:50:45,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:50:45,099 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:45,100 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-13 15:50:45,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:45,101 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:45,102 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:45,102 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:50:45,102 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:45,102 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:50:45,103 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:45,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:50:45,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:50:45,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:50:45,103 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:45,104 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-13 15:50:45,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:45,104 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:45,105 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:45,105 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:50:45,105 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:45,105 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:50:45,105 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:45,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:50:45,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:50:45,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:50:45,106 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:45,106 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-13 15:50:45,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:45,107 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:45,108 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:45,108 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:50:45,108 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:45,108 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:50:45,108 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:45,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:50:45,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:50:45,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:50:45,109 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:45,109 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-13 15:50:45,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:45,110 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:45,111 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:45,111 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:50:45,111 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:45,111 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:50:45,111 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:45,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:50:45,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:50:45,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:50:45,112 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:45,117 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2020-10-13 15:50:45,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:45,122 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:45,127 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:45,127 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-13 15:50:45,127 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:45,127 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 15:50:45,127 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:45,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:50:45,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 28 [2020-10-13 15:50:45,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:50:45,128 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:45,131 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2020-10-13 15:50:45,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:45,132 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:45,133 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:45,133 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 15:50:45,133 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:45,133 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:50:45,133 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:45,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:50:45,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 15:50:45,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:50:45,134 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:45,196 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 15:50:45,197 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [330673652] [2020-10-13 15:50:45,197 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 15:50:45,197 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-13 15:50:45,197 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1663223504] [2020-10-13 15:50:45,198 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-13 15:50:45,198 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 15:50:45,198 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-13 15:50:45,198 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-10-13 15:50:45,198 INFO L87 Difference]: Start difference. First operand 470 states and 671 transitions. Second operand 8 states. [2020-10-13 15:50:45,434 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-13 15:50:45,759 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-13 15:50:51,921 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 15:50:51,921 INFO L93 Difference]: Finished difference Result 1209 states and 1808 transitions. [2020-10-13 15:50:51,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-13 15:50:51,922 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 217 [2020-10-13 15:50:51,922 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 15:50:51,927 INFO L225 Difference]: With dead ends: 1209 [2020-10-13 15:50:51,927 INFO L226 Difference]: Without dead ends: 762 [2020-10-13 15:50:51,928 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=55, Invalid=127, Unknown=0, NotChecked=0, Total=182 [2020-10-13 15:50:51,930 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 762 states. [2020-10-13 15:50:52,018 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 762 to 470. [2020-10-13 15:50:52,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 470 states. [2020-10-13 15:50:52,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 470 states to 470 states and 670 transitions. [2020-10-13 15:50:52,020 INFO L78 Accepts]: Start accepts. Automaton has 470 states and 670 transitions. Word has length 217 [2020-10-13 15:50:52,020 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 15:50:52,021 INFO L479 AbstractCegarLoop]: Abstraction has 470 states and 670 transitions. [2020-10-13 15:50:52,021 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-13 15:50:52,021 INFO L276 IsEmpty]: Start isEmpty. Operand 470 states and 670 transitions. [2020-10-13 15:50:52,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2020-10-13 15:50:52,022 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 15:50:52,023 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] [2020-10-13 15:50:52,023 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-13 15:50:52,023 INFO L427 AbstractCegarLoop]: === Iteration 10 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 15:50:52,023 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 15:50:52,023 INFO L82 PathProgramCache]: Analyzing trace with hash 203921389, now seen corresponding path program 1 times [2020-10-13 15:50:52,024 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 15:50:52,024 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2061115699] [2020-10-13 15:50:52,024 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 15:50:52,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:52,056 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:52,119 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:52,188 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:52,334 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:52,365 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:52,589 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:52,646 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:52,691 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:52,771 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:52,833 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:52,876 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:52,939 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:52,973 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:53,001 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:53,028 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:53,053 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:53,076 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:53,100 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:53,123 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:53,138 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:53,153 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:53,167 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:53,183 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:53,210 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:53,222 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:53,553 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:53,625 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:55,240 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:57,055 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:57,055 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 269 [2020-10-13 15:50:57,055 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 28 [2020-10-13 15:50:57,055 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5009 [2020-10-13 15:50:57,055 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:57,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-13 15:50:57,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 15:50:57,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-13 15:50:57,056 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:57,280 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-13 15:50:57,281 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 15:50:57,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:57,292 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:57,300 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:57,300 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:50:57,300 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:57,301 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-13 15:50:57,301 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:57,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:50:57,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:50:57,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-13 15:50:57,301 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:57,331 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 15:50:57,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:57,336 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:57,338 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:57,339 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:50:57,339 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:57,339 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 15:50:57,339 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:57,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:50:57,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:50:57,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 15:50:57,339 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:57,341 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 15:50:57,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:57,343 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:57,343 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:57,343 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 15:50:57,344 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:57,344 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:50:57,344 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:57,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:50:57,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:50:57,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-13 15:50:57,344 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:57,372 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-13 15:50:57,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:57,378 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:57,384 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:57,384 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-13 15:50:57,384 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:57,385 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 15:50:57,385 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:57,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:50:57,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:50:57,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-13 15:50:57,385 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:57,450 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-13 15:50:57,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:57,456 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:57,472 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:57,472 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-13 15:50:57,472 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:57,472 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-13 15:50:57,472 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:57,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 15:50:57,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-13 15:50:57,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-13 15:50:57,473 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:57,486 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-13 15:50:57,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:57,498 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:57,510 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:57,510 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 140 [2020-10-13 15:50:57,510 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:57,510 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-13 15:50:57,510 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:57,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:50:57,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 137 [2020-10-13 15:50:57,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:50:57,511 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:57,516 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 15:50:57,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:57,517 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:57,517 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:57,517 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:50:57,517 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:57,518 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:50:57,518 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:57,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:50:57,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:50:57,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:50:57,518 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:57,519 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 15:50:57,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:57,519 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:57,520 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:57,520 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:50:57,520 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:57,520 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:50:57,520 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:57,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:50:57,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:50:57,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:50:57,521 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:57,522 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-13 15:50:57,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:57,522 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:57,523 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:57,523 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:50:57,523 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:57,523 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:50:57,523 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:57,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:50:57,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:50:57,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:50:57,524 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:57,524 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-13 15:50:57,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:57,525 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:57,526 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:57,526 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:50:57,526 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:57,526 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:50:57,526 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:57,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:50:57,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:50:57,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:50:57,526 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:57,527 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-13 15:50:57,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:57,528 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:57,528 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:57,528 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:50:57,528 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:57,529 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:50:57,529 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:57,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:50:57,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:50:57,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:50:57,529 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:57,530 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-13 15:50:57,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:57,530 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:57,531 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:57,531 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:50:57,531 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:57,531 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:50:57,532 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:57,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:50:57,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:50:57,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:50:57,532 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:57,533 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-13 15:50:57,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:57,533 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:57,534 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:57,534 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:50:57,534 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:57,534 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:50:57,535 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:57,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:50:57,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:50:57,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:50:57,535 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:57,536 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-13 15:50:57,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:57,536 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:57,537 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:57,537 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:50:57,537 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:57,537 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:50:57,537 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:57,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:50:57,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:50:57,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:50:57,538 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:57,539 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-13 15:50:57,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:57,539 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:57,540 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:57,540 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:50:57,540 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:57,540 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:50:57,540 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:57,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:50:57,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:50:57,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:50:57,541 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:57,541 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-13 15:50:57,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:57,542 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:57,543 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:57,543 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:50:57,543 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:57,543 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:50:57,543 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:57,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:50:57,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:50:57,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:50:57,543 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:57,544 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-13 15:50:57,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:57,545 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:57,546 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:57,546 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:50:57,546 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:57,546 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:50:57,546 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:57,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:50:57,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:50:57,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:50:57,547 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:57,547 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-13 15:50:57,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:57,548 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:57,548 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:57,549 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:50:57,549 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:57,549 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:50:57,549 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:57,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:50:57,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:50:57,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:50:57,549 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:57,554 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2020-10-13 15:50:57,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:57,558 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:57,562 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:57,562 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-13 15:50:57,562 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:57,563 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 15:50:57,563 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:57,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:50:57,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 28 [2020-10-13 15:50:57,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:50:57,563 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:57,566 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2020-10-13 15:50:57,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:57,567 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:57,567 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:57,568 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 15:50:57,568 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:57,568 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:50:57,568 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:57,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:50:57,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 15:50:57,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:50:57,568 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:57,604 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 15:50:57,605 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2061115699] [2020-10-13 15:50:57,605 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 15:50:57,605 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-13 15:50:57,605 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1632590897] [2020-10-13 15:50:57,606 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-13 15:50:57,606 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 15:50:57,606 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-13 15:50:57,607 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-10-13 15:50:57,607 INFO L87 Difference]: Start difference. First operand 470 states and 670 transitions. Second operand 8 states. [2020-10-13 15:50:57,872 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-13 15:51:08,347 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 15:51:08,348 INFO L93 Difference]: Finished difference Result 1907 states and 2874 transitions. [2020-10-13 15:51:08,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-13 15:51:08,353 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 217 [2020-10-13 15:51:08,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 15:51:08,361 INFO L225 Difference]: With dead ends: 1907 [2020-10-13 15:51:08,361 INFO L226 Difference]: Without dead ends: 1466 [2020-10-13 15:51:08,363 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=68, Invalid=172, Unknown=0, NotChecked=0, Total=240 [2020-10-13 15:51:08,365 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1466 states. [2020-10-13 15:51:08,513 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1466 to 924. [2020-10-13 15:51:08,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 924 states. [2020-10-13 15:51:08,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 924 states to 924 states and 1332 transitions. [2020-10-13 15:51:08,517 INFO L78 Accepts]: Start accepts. Automaton has 924 states and 1332 transitions. Word has length 217 [2020-10-13 15:51:08,517 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 15:51:08,517 INFO L479 AbstractCegarLoop]: Abstraction has 924 states and 1332 transitions. [2020-10-13 15:51:08,517 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-13 15:51:08,517 INFO L276 IsEmpty]: Start isEmpty. Operand 924 states and 1332 transitions. [2020-10-13 15:51:08,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2020-10-13 15:51:08,519 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 15:51:08,519 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] [2020-10-13 15:51:08,519 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-13 15:51:08,519 INFO L427 AbstractCegarLoop]: === Iteration 11 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 15:51:08,519 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 15:51:08,519 INFO L82 PathProgramCache]: Analyzing trace with hash -397135187, now seen corresponding path program 1 times [2020-10-13 15:51:08,520 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 15:51:08,520 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1453020356] [2020-10-13 15:51:08,520 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 15:51:08,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:08,560 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:08,614 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:08,680 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:08,794 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:08,881 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:08,912 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:08,952 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:08,994 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:09,320 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:09,399 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:09,432 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:09,463 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:09,490 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:09,515 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:09,539 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:09,562 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:09,585 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:09,607 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:09,629 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:09,650 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:09,673 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:09,714 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:09,746 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:09,781 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:09,825 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:10,082 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:13,166 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:13,557 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:13,557 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 269 [2020-10-13 15:51:13,557 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 27 [2020-10-13 15:51:13,557 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5009 [2020-10-13 15:51:13,558 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:13,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-13 15:51:13,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 15:51:13,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 44 [2020-10-13 15:51:13,558 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:13,783 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-13 15:51:13,783 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 15:51:13,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:13,793 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:13,806 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:13,807 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:51:13,807 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:13,807 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-13 15:51:13,807 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:13,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:51:13,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:51:13,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-13 15:51:13,808 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:13,838 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 15:51:13,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:13,842 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:13,845 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:13,845 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:51:13,845 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:13,845 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 15:51:13,845 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:13,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:51:13,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:51:13,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 15:51:13,846 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:13,850 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 15:51:13,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:13,851 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:13,851 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:13,852 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 15:51:13,852 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:13,852 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:51:13,852 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:13,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:51:13,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:51:13,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-13 15:51:13,852 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:13,880 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-13 15:51:13,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:13,885 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:13,889 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:13,890 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-13 15:51:13,890 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:13,890 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 15:51:13,890 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:13,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:51:13,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:51:13,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-13 15:51:13,891 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:13,952 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-13 15:51:13,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:13,959 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:13,978 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:13,978 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-13 15:51:13,979 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:13,979 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-13 15:51:13,979 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:13,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 15:51:13,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-13 15:51:13,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-13 15:51:13,979 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:14,006 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-13 15:51:14,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:14,024 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:14,043 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:14,043 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 140 [2020-10-13 15:51:14,043 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:14,043 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-13 15:51:14,044 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:14,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:51:14,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 137 [2020-10-13 15:51:14,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:51:14,044 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:14,052 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 15:51:14,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:14,053 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:14,054 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:14,054 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:51:14,054 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:14,055 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:51:14,055 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:14,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:51:14,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:51:14,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:51:14,056 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:14,057 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 15:51:14,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:14,058 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:14,059 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:14,059 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:51:14,059 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:14,059 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:51:14,059 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:14,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:51:14,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:51:14,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:51:14,060 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:14,061 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-13 15:51:14,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:14,062 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:14,063 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:14,063 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:51:14,064 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:14,064 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:51:14,064 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:14,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:51:14,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:51:14,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:51:14,065 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:14,066 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-13 15:51:14,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:14,067 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:14,068 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:14,068 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:51:14,068 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:14,068 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:51:14,069 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:14,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:51:14,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:51:14,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:51:14,069 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:14,070 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-13 15:51:14,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:14,072 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:14,073 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:14,073 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:51:14,073 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:14,073 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:51:14,074 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:14,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:51:14,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:51:14,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:51:14,074 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:14,075 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-13 15:51:14,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:14,076 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:14,077 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:14,077 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:51:14,078 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:14,078 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:51:14,078 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:14,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:51:14,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:51:14,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:51:14,079 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:14,080 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-13 15:51:14,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:14,081 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:14,082 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:14,082 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:51:14,082 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:14,082 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:51:14,082 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:14,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:51:14,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:51:14,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:51:14,083 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:14,084 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-13 15:51:14,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:14,085 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:14,087 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:14,087 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:51:14,087 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:14,087 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:51:14,087 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:14,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:51:14,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:51:14,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:51:14,088 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:14,089 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-13 15:51:14,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:14,090 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:14,091 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:14,091 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:51:14,092 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:14,092 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:51:14,092 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:14,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:51:14,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:51:14,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:51:14,093 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:14,094 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-13 15:51:14,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:14,095 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:14,096 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:14,096 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:51:14,096 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:14,096 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:51:14,097 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:14,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:51:14,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:51:14,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:51:14,097 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:14,098 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-13 15:51:14,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:14,099 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:14,101 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:14,101 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:51:14,101 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:14,101 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:51:14,101 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:14,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:51:14,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:51:14,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:51:14,102 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:14,103 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-13 15:51:14,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:14,104 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:14,106 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:14,106 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:51:14,106 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:14,106 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:51:14,107 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:14,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:51:14,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:51:14,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:51:14,107 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:14,115 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2020-10-13 15:51:14,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:14,124 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:14,133 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:14,134 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-13 15:51:14,134 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:14,134 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-13 15:51:14,134 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:14,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:51:14,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 28 [2020-10-13 15:51:14,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:51:14,136 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 15:51:14,141 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2020-10-13 15:51:14,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:14,144 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:14,145 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:14,145 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 15:51:14,145 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:14,146 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:51:14,146 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:14,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:51:14,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 15:51:14,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:51:14,147 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:14,240 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 15:51:14,241 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1453020356] [2020-10-13 15:51:14,241 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 15:51:14,241 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-13 15:51:14,241 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [286780002] [2020-10-13 15:51:14,242 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-13 15:51:14,242 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 15:51:14,242 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-13 15:51:14,243 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2020-10-13 15:51:14,243 INFO L87 Difference]: Start difference. First operand 924 states and 1332 transitions. Second operand 9 states. [2020-10-13 15:51:14,496 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-13 15:51:20,923 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 15:51:20,924 INFO L93 Difference]: Finished difference Result 2329 states and 3482 transitions. [2020-10-13 15:51:20,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-13 15:51:20,926 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 217 [2020-10-13 15:51:20,926 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 15:51:20,934 INFO L225 Difference]: With dead ends: 2329 [2020-10-13 15:51:20,934 INFO L226 Difference]: Without dead ends: 1434 [2020-10-13 15:51:20,938 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=57, Invalid=125, Unknown=0, NotChecked=0, Total=182 [2020-10-13 15:51:20,940 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1434 states. [2020-10-13 15:51:21,156 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1434 to 924. [2020-10-13 15:51:21,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 924 states. [2020-10-13 15:51:21,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 924 states to 924 states and 1325 transitions. [2020-10-13 15:51:21,161 INFO L78 Accepts]: Start accepts. Automaton has 924 states and 1325 transitions. Word has length 217 [2020-10-13 15:51:21,161 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 15:51:21,161 INFO L479 AbstractCegarLoop]: Abstraction has 924 states and 1325 transitions. [2020-10-13 15:51:21,161 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-13 15:51:21,161 INFO L276 IsEmpty]: Start isEmpty. Operand 924 states and 1325 transitions. [2020-10-13 15:51:21,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2020-10-13 15:51:21,164 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 15:51:21,164 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 15:51:21,165 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-13 15:51:21,165 INFO L427 AbstractCegarLoop]: === Iteration 12 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 15:51:21,165 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 15:51:21,166 INFO L82 PathProgramCache]: Analyzing trace with hash 1523138541, now seen corresponding path program 1 times [2020-10-13 15:51:21,166 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 15:51:21,166 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1261992059] [2020-10-13 15:51:21,167 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 15:51:21,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:21,226 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:21,345 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:21,449 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:21,621 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:21,743 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:21,767 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:21,804 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:21,985 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:22,265 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:22,389 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:22,416 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:22,441 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:22,469 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:22,492 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:22,516 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:22,537 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:22,559 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:22,581 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:22,603 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:22,624 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:22,644 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:22,663 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:22,701 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:22,733 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:22,763 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:22,879 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:25,389 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:26,211 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:26,212 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 269 [2020-10-13 15:51:26,212 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 27 [2020-10-13 15:51:26,212 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5008 [2020-10-13 15:51:26,212 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:26,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-13 15:51:26,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 15:51:26,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 45 [2020-10-13 15:51:26,213 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:26,425 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-13 15:51:26,426 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 15:51:26,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:26,435 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:26,445 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:26,445 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:51:26,445 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:26,445 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-13 15:51:26,445 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:26,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:51:26,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:51:26,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-13 15:51:26,446 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:26,477 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 15:51:26,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:26,481 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:26,484 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:26,484 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:51:26,484 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:26,484 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 15:51:26,484 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:26,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:51:26,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:51:26,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 15:51:26,485 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:26,486 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 15:51:26,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:26,487 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:26,487 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:26,488 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 15:51:26,488 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:26,488 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:51:26,488 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:26,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:51:26,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:51:26,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-13 15:51:26,488 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:26,517 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-13 15:51:26,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:26,521 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:26,526 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:26,526 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-13 15:51:26,526 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:26,526 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 15:51:26,526 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:26,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:51:26,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:51:26,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-13 15:51:26,527 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:26,589 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-13 15:51:26,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:26,595 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:26,610 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:26,611 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-13 15:51:26,611 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:26,611 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-13 15:51:26,611 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:26,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 15:51:26,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-13 15:51:26,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-13 15:51:26,611 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:26,636 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-13 15:51:26,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:26,648 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:26,658 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:26,659 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 140 [2020-10-13 15:51:26,659 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:26,659 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-13 15:51:26,659 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:26,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:51:26,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 137 [2020-10-13 15:51:26,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:51:26,659 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:26,664 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 15:51:26,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:26,665 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:26,666 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:26,666 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:51:26,666 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:26,667 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:51:26,667 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:26,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:51:26,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:51:26,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:51:26,667 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:26,668 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 15:51:26,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:26,669 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:26,670 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:26,670 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:51:26,670 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:26,670 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:51:26,670 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:26,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:51:26,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:51:26,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:51:26,671 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:26,671 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-13 15:51:26,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:26,672 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:26,672 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:26,673 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:51:26,673 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:26,673 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:51:26,673 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:26,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:51:26,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:51:26,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:51:26,673 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:26,674 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-13 15:51:26,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:26,675 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:26,675 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:26,675 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:51:26,675 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:26,676 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:51:26,676 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:26,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:51:26,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:51:26,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:51:26,676 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:26,677 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-13 15:51:26,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:26,677 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:26,678 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:26,678 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:51:26,678 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:26,678 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:51:26,678 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:26,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:51:26,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:51:26,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:51:26,679 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:26,679 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-13 15:51:26,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:26,680 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:26,681 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:26,681 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:51:26,681 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:26,681 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:51:26,681 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:26,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:51:26,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:51:26,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:51:26,682 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:26,682 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-13 15:51:26,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:26,683 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:26,684 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:26,684 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:51:26,684 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:26,684 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:51:26,684 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:26,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:51:26,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:51:26,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:51:26,685 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:26,685 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-13 15:51:26,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:26,686 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:26,687 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:26,687 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:51:26,687 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:26,687 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:51:26,687 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:26,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:51:26,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:51:26,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:51:26,688 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:26,689 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-13 15:51:26,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:26,689 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:26,690 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:26,690 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:51:26,690 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:26,690 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:51:26,690 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:26,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:51:26,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:51:26,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:51:26,691 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:26,692 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-13 15:51:26,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:26,692 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:26,693 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:26,693 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:51:26,693 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:26,693 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:51:26,693 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:26,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:51:26,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:51:26,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:51:26,694 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:26,694 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-13 15:51:26,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:26,695 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:26,696 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:26,696 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:51:26,696 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:26,696 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:51:26,696 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:26,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:51:26,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:51:26,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:51:26,697 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:26,697 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-13 15:51:26,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:26,698 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:26,699 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:26,699 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:51:26,699 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:26,699 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:51:26,699 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:26,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:51:26,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:51:26,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:51:26,700 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:26,706 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2020-10-13 15:51:26,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:26,712 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:26,717 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:26,717 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-13 15:51:26,717 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:26,717 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 15:51:26,717 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:26,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:51:26,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 28 [2020-10-13 15:51:26,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:51:26,718 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:26,721 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2020-10-13 15:51:26,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:26,722 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:26,723 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:26,723 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 15:51:26,723 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:26,723 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:51:26,724 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:26,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:51:26,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 15:51:26,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:51:26,724 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:26,795 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 15:51:26,796 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1261992059] [2020-10-13 15:51:26,796 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 15:51:26,796 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-13 15:51:26,796 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [302872397] [2020-10-13 15:51:26,797 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-13 15:51:26,797 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 15:51:26,797 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-13 15:51:26,798 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2020-10-13 15:51:26,798 INFO L87 Difference]: Start difference. First operand 924 states and 1325 transitions. Second operand 9 states. [2020-10-13 15:51:27,040 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-13 15:51:33,465 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 15:51:33,465 INFO L93 Difference]: Finished difference Result 2326 states and 3461 transitions. [2020-10-13 15:51:33,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-13 15:51:33,465 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 217 [2020-10-13 15:51:33,466 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 15:51:33,473 INFO L225 Difference]: With dead ends: 2326 [2020-10-13 15:51:33,473 INFO L226 Difference]: Without dead ends: 1431 [2020-10-13 15:51:33,476 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=57, Invalid=125, Unknown=0, NotChecked=0, Total=182 [2020-10-13 15:51:33,478 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1431 states. [2020-10-13 15:51:33,650 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1431 to 924. [2020-10-13 15:51:33,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 924 states. [2020-10-13 15:51:33,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 924 states to 924 states and 1318 transitions. [2020-10-13 15:51:33,653 INFO L78 Accepts]: Start accepts. Automaton has 924 states and 1318 transitions. Word has length 217 [2020-10-13 15:51:33,654 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 15:51:33,654 INFO L479 AbstractCegarLoop]: Abstraction has 924 states and 1318 transitions. [2020-10-13 15:51:33,654 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-13 15:51:33,654 INFO L276 IsEmpty]: Start isEmpty. Operand 924 states and 1318 transitions. [2020-10-13 15:51:33,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2020-10-13 15:51:33,656 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 15:51:33,656 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] [2020-10-13 15:51:33,656 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-13 15:51:33,657 INFO L427 AbstractCegarLoop]: === Iteration 13 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 15:51:33,657 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 15:51:33,657 INFO L82 PathProgramCache]: Analyzing trace with hash -354579795, now seen corresponding path program 1 times [2020-10-13 15:51:33,657 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 15:51:33,657 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [416446539] [2020-10-13 15:51:33,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 15:51:33,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:33,743 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:33,799 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:33,860 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:33,965 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:33,995 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:34,212 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:34,273 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:34,332 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:34,361 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:34,379 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:34,421 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:34,478 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:34,501 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:34,520 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:34,539 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:34,557 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:34,575 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:34,593 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:34,609 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:34,626 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:34,643 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:34,659 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:34,676 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:34,703 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:35,705 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:36,192 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:38,236 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:38,298 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:38,697 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:38,698 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 269 [2020-10-13 15:51:38,698 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 28 [2020-10-13 15:51:38,698 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5010 [2020-10-13 15:51:38,698 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:38,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-13 15:51:38,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 15:51:38,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 46 [2020-10-13 15:51:38,698 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:38,922 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-13 15:51:38,923 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 15:51:38,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:38,934 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:38,944 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:38,944 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:51:38,945 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:38,945 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-13 15:51:38,945 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:38,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:51:38,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:51:38,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-13 15:51:38,945 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:38,975 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 15:51:38,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:38,979 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:38,982 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:38,982 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:51:38,983 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:38,983 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 15:51:38,983 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:38,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:51:38,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:51:38,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 15:51:38,984 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:38,985 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 15:51:38,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:38,987 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:38,987 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:38,988 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 15:51:38,988 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:38,988 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:51:38,988 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:38,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:51:38,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:51:38,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-13 15:51:38,989 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:39,032 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-13 15:51:39,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:39,037 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:39,041 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:39,041 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-13 15:51:39,042 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:39,042 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 15:51:39,042 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:39,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:51:39,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:51:39,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-13 15:51:39,043 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:39,104 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-13 15:51:39,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:39,110 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:39,123 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:39,123 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-13 15:51:39,124 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:39,124 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-13 15:51:39,124 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:39,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 15:51:39,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-13 15:51:39,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-13 15:51:39,124 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:39,153 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-13 15:51:39,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:39,166 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:39,177 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:39,177 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 140 [2020-10-13 15:51:39,178 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:39,178 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-13 15:51:39,178 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:39,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:51:39,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 137 [2020-10-13 15:51:39,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:51:39,178 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:39,183 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 15:51:39,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:39,184 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:39,184 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:39,185 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:51:39,185 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:39,185 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:51:39,185 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:39,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:51:39,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:51:39,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:51:39,185 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:39,186 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 15:51:39,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:39,187 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:39,187 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:39,187 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:51:39,187 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:39,187 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:51:39,188 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:39,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:51:39,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:51:39,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:51:39,188 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:39,189 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-13 15:51:39,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:39,189 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:39,190 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:39,190 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:51:39,190 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:39,190 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:51:39,190 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:39,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:51:39,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:51:39,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:51:39,191 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:39,191 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-13 15:51:39,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:39,192 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:39,192 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:39,193 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:51:39,193 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:39,193 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:51:39,193 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:39,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:51:39,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:51:39,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:51:39,193 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:39,194 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-13 15:51:39,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:39,195 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:39,195 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:39,195 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:51:39,195 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:39,195 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:51:39,196 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:39,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:51:39,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:51:39,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:51:39,196 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:39,197 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-13 15:51:39,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:39,197 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:39,198 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:39,198 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:51:39,198 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:39,198 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:51:39,198 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:39,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:51:39,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:51:39,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:51:39,199 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:39,199 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-13 15:51:39,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:39,200 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:39,200 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:39,201 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:51:39,201 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:39,201 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:51:39,201 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:39,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:51:39,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:51:39,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:51:39,201 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:39,202 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-13 15:51:39,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:39,202 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:39,203 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:39,203 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:51:39,203 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:39,203 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:51:39,204 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:39,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:51:39,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:51:39,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:51:39,204 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:39,205 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-13 15:51:39,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:39,205 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:39,206 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:39,206 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:51:39,206 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:39,206 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:51:39,206 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:39,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:51:39,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:51:39,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:51:39,207 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:39,207 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-13 15:51:39,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:39,208 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:39,208 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:39,209 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:51:39,209 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:39,209 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:51:39,209 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:39,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:51:39,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:51:39,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:51:39,209 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:39,210 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-13 15:51:39,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:39,211 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:39,211 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:39,211 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:51:39,212 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:39,212 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:51:39,212 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:39,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:51:39,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:51:39,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:51:39,212 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:39,213 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-13 15:51:39,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:39,213 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:39,214 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:39,214 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:51:39,214 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:39,214 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:51:39,214 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:39,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:51:39,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:51:39,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:51:39,215 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:39,219 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2020-10-13 15:51:39,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:39,223 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:39,226 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:39,227 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-13 15:51:39,227 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:39,227 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 15:51:39,227 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:39,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:51:39,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 28 [2020-10-13 15:51:39,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:51:39,227 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:39,230 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2020-10-13 15:51:39,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:39,231 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:39,232 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:39,232 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 15:51:39,232 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:39,232 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:51:39,232 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:39,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:51:39,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 15:51:39,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:51:39,232 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:39,268 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 15:51:39,269 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [416446539] [2020-10-13 15:51:39,269 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 15:51:39,269 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-13 15:51:39,269 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1679370213] [2020-10-13 15:51:39,270 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-13 15:51:39,270 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 15:51:39,271 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-13 15:51:39,271 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2020-10-13 15:51:39,271 INFO L87 Difference]: Start difference. First operand 924 states and 1318 transitions. Second operand 9 states. [2020-10-13 15:51:39,510 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-13 15:51:45,733 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 15:51:45,734 INFO L93 Difference]: Finished difference Result 2323 states and 3440 transitions. [2020-10-13 15:51:45,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-13 15:51:45,734 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 217 [2020-10-13 15:51:45,734 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 15:51:45,740 INFO L225 Difference]: With dead ends: 2323 [2020-10-13 15:51:45,741 INFO L226 Difference]: Without dead ends: 1428 [2020-10-13 15:51:45,743 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=57, Invalid=125, Unknown=0, NotChecked=0, Total=182 [2020-10-13 15:51:45,745 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1428 states. [2020-10-13 15:51:45,963 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1428 to 924. [2020-10-13 15:51:45,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 924 states. [2020-10-13 15:51:45,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 924 states to 924 states and 1311 transitions. [2020-10-13 15:51:45,967 INFO L78 Accepts]: Start accepts. Automaton has 924 states and 1311 transitions. Word has length 217 [2020-10-13 15:51:45,967 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 15:51:45,967 INFO L479 AbstractCegarLoop]: Abstraction has 924 states and 1311 transitions. [2020-10-13 15:51:45,967 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-13 15:51:45,967 INFO L276 IsEmpty]: Start isEmpty. Operand 924 states and 1311 transitions. [2020-10-13 15:51:45,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2020-10-13 15:51:45,970 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 15:51:45,971 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] [2020-10-13 15:51:45,971 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-13 15:51:45,971 INFO L427 AbstractCegarLoop]: === Iteration 14 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 15:51:45,971 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 15:51:45,972 INFO L82 PathProgramCache]: Analyzing trace with hash 802952495, now seen corresponding path program 1 times [2020-10-13 15:51:45,972 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 15:51:45,972 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1024912580] [2020-10-13 15:51:45,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 15:51:46,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:46,035 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:46,128 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:46,245 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:46,274 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:46,460 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:46,533 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:46,555 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:46,593 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:46,673 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:46,941 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:47,044 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:47,082 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:47,106 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:47,130 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:47,153 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:47,175 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:47,198 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:47,219 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:47,241 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:47,264 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:47,285 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:47,306 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:47,326 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:48,974 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:50,391 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:50,445 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:51,018 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:51,018 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 269 [2020-10-13 15:51:51,018 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 26 [2020-10-13 15:51:51,018 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5004 [2020-10-13 15:51:51,018 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:51,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-13 15:51:51,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 15:51:51,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 47 [2020-10-13 15:51:51,019 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:51,250 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-13 15:51:51,251 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 15:51:51,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:51,262 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:51,270 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:51,271 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:51:51,271 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:51,271 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-13 15:51:51,271 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:51,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:51:51,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:51:51,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-13 15:51:51,271 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:51,300 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 15:51:51,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:51,305 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:51,307 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:51,307 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:51:51,307 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:51,307 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 15:51:51,307 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:51,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:51:51,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:51:51,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 15:51:51,308 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:51,309 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 15:51:51,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:51,310 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:51,310 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:51,310 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 15:51:51,311 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:51,311 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:51:51,311 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:51,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:51:51,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:51:51,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-13 15:51:51,311 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:51,343 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-13 15:51:51,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:51,348 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:51,352 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:51,352 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-13 15:51:51,352 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:51,352 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 15:51:51,352 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:51,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:51:51,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:51:51,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-13 15:51:51,353 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:51,413 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-13 15:51:51,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:51,419 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:51,432 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:51,432 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-13 15:51:51,433 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:51,433 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-13 15:51:51,433 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:51,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 15:51:51,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-13 15:51:51,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-13 15:51:51,433 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:51,455 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-13 15:51:51,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:51,466 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:51,475 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:51,475 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 140 [2020-10-13 15:51:51,475 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:51,475 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-13 15:51:51,476 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:51,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:51:51,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 137 [2020-10-13 15:51:51,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:51:51,476 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:51,480 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 15:51:51,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:51,481 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:51,482 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:51,482 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:51:51,482 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:51,482 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:51:51,482 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:51,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:51:51,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:51:51,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:51:51,483 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:51,483 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 15:51:51,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:51,484 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:51,484 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:51,484 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:51:51,484 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:51,484 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:51:51,485 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:51,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:51:51,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:51:51,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:51:51,485 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:51,485 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-13 15:51:51,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:51,486 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:51,487 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:51,487 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:51:51,487 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:51,488 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:51:51,488 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:51,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:51:51,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:51:51,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:51:51,488 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:51,489 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-13 15:51:51,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:51,490 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:51,491 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:51,491 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:51:51,491 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:51,491 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:51:51,491 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:51,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:51:51,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:51:51,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:51:51,492 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:51,493 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-13 15:51:51,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:51,494 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:51,495 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:51,495 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:51:51,495 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:51,495 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:51:51,496 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:51,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:51:51,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:51:51,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:51:51,496 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:51,497 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-13 15:51:51,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:51,498 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:51,499 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:51,499 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:51:51,499 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:51,499 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:51:51,500 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:51,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:51:51,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:51:51,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:51:51,500 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:51,501 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-13 15:51:51,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:51,501 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:51,502 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:51,502 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:51:51,502 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:51,503 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:51:51,503 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:51,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:51:51,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:51:51,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:51:51,503 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:51,504 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-13 15:51:51,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:51,504 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:51,505 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:51,505 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:51:51,506 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:51,506 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:51:51,506 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:51,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:51:51,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:51:51,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:51:51,506 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:51,507 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-13 15:51:51,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:51,508 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:51,508 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:51,509 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:51:51,509 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:51,509 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:51:51,509 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:51,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:51:51,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:51:51,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:51:51,509 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:51,510 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-13 15:51:51,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:51,511 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:51,512 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:51,512 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:51:51,512 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:51,512 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:51:51,512 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:51,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:51:51,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:51:51,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:51:51,512 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:51,513 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-13 15:51:51,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:51,514 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:51,514 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:51,515 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:51:51,515 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:51,515 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:51:51,515 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:51,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:51:51,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:51:51,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:51:51,515 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:51,516 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-13 15:51:51,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:51,517 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:51,517 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:51,518 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:51:51,518 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:51,518 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:51:51,518 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:51,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:51:51,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:51:51,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:51:51,518 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:51,523 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2020-10-13 15:51:51,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:51,528 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:51,532 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:51,532 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-13 15:51:51,532 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:51,532 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 15:51:51,532 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:51,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:51:51,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 28 [2020-10-13 15:51:51,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:51:51,533 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:51,535 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2020-10-13 15:51:51,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:51,537 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:51,537 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:51,537 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 15:51:51,537 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:51,537 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:51:51,538 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:51,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:51:51,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 15:51:51,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:51:51,538 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:51,576 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 15:51:51,576 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1024912580] [2020-10-13 15:51:51,577 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 15:51:51,577 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-13 15:51:51,577 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1831640960] [2020-10-13 15:51:51,577 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-13 15:51:51,578 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 15:51:51,578 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-13 15:51:51,578 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2020-10-13 15:51:51,578 INFO L87 Difference]: Start difference. First operand 924 states and 1311 transitions. Second operand 9 states. [2020-10-13 15:51:51,821 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-13 15:51:57,997 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 15:51:57,998 INFO L93 Difference]: Finished difference Result 2320 states and 3419 transitions. [2020-10-13 15:51:57,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-13 15:51:57,998 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 217 [2020-10-13 15:51:57,998 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 15:51:58,004 INFO L225 Difference]: With dead ends: 2320 [2020-10-13 15:51:58,004 INFO L226 Difference]: Without dead ends: 1425 [2020-10-13 15:51:58,006 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=57, Invalid=125, Unknown=0, NotChecked=0, Total=182 [2020-10-13 15:51:58,007 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1425 states. [2020-10-13 15:51:58,215 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1425 to 924. [2020-10-13 15:51:58,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 924 states. [2020-10-13 15:51:58,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 924 states to 924 states and 1304 transitions. [2020-10-13 15:51:58,218 INFO L78 Accepts]: Start accepts. Automaton has 924 states and 1304 transitions. Word has length 217 [2020-10-13 15:51:58,218 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 15:51:58,218 INFO L479 AbstractCegarLoop]: Abstraction has 924 states and 1304 transitions. [2020-10-13 15:51:58,218 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-13 15:51:58,218 INFO L276 IsEmpty]: Start isEmpty. Operand 924 states and 1304 transitions. [2020-10-13 15:51:58,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2020-10-13 15:51:58,219 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 15:51:58,220 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 15:51:58,220 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-13 15:51:58,220 INFO L427 AbstractCegarLoop]: === Iteration 15 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 15:51:58,220 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 15:51:58,220 INFO L82 PathProgramCache]: Analyzing trace with hash -1442574353, now seen corresponding path program 1 times [2020-10-13 15:51:58,220 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 15:51:58,220 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1454002398] [2020-10-13 15:51:58,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 15:51:58,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:58,258 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:58,314 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:58,402 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:58,436 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:58,620 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:58,691 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:58,712 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:58,750 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:58,829 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:59,133 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:59,170 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:59,207 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:59,231 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:59,256 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:59,279 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:59,311 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:59,337 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:59,362 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:59,386 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:59,408 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:59,429 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:59,450 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:00,974 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:02,532 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:02,582 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:03,257 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:52:03,257 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 269 [2020-10-13 15:52:03,257 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 25 [2020-10-13 15:52:03,257 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5010 [2020-10-13 15:52:03,258 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:52:03,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-13 15:52:03,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 15:52:03,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 48 [2020-10-13 15:52:03,258 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:52:03,481 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-13 15:52:03,482 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 15:52:03,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:52:03,492 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:03,500 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:52:03,500 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:52:03,500 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:52:03,501 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-13 15:52:03,501 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:52:03,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:52:03,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:52:03,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-13 15:52:03,501 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:52:03,532 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 15:52:03,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:52:03,535 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:03,537 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:52:03,537 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:52:03,537 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:52:03,537 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 15:52:03,538 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:52:03,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:52:03,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:52:03,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 15:52:03,538 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:52:03,539 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 15:52:03,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:52:03,540 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:03,541 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:52:03,541 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 15:52:03,541 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:52:03,541 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:52:03,541 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:52:03,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:52:03,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:52:03,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-13 15:52:03,542 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:52:03,568 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-13 15:52:03,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:52:03,573 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:03,577 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:52:03,577 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-13 15:52:03,577 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:52:03,577 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 15:52:03,577 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:52:03,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:52:03,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:52:03,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-13 15:52:03,578 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:52:03,641 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-13 15:52:03,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:52:03,647 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:03,660 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:52:03,661 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-13 15:52:03,661 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:52:03,661 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-13 15:52:03,661 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:52:03,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 15:52:03,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-13 15:52:03,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-13 15:52:03,662 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:52:03,688 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-13 15:52:03,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:52:03,700 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:03,712 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:52:03,712 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 140 [2020-10-13 15:52:03,712 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:52:03,712 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-13 15:52:03,712 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:52:03,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:52:03,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 137 [2020-10-13 15:52:03,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:52:03,713 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:52:03,719 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 15:52:03,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:52:03,720 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:03,721 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:52:03,721 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:52:03,722 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:52:03,722 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:52:03,722 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:52:03,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:52:03,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:52:03,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:52:03,723 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:52:03,723 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 15:52:03,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:52:03,724 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:03,725 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:52:03,725 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:52:03,725 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:52:03,725 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:52:03,725 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:52:03,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:52:03,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:52:03,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:52:03,726 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:52:03,726 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-13 15:52:03,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:52:03,727 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:03,727 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:52:03,728 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:52:03,728 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:52:03,728 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:52:03,728 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:52:03,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:52:03,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:52:03,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:52:03,728 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:52:03,729 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-13 15:52:03,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:52:03,730 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:03,730 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:52:03,730 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:52:03,730 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:52:03,730 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:52:03,731 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:52:03,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:52:03,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:52:03,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:52:03,731 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:52:03,731 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-13 15:52:03,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:52:03,732 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:03,733 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:52:03,733 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:52:03,733 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:52:03,733 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:52:03,733 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:52:03,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:52:03,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:52:03,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:52:03,733 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:52:03,734 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-13 15:52:03,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:52:03,735 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:03,735 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:52:03,735 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:52:03,735 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:52:03,735 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:52:03,736 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:52:03,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:52:03,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:52:03,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:52:03,736 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:52:03,737 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-13 15:52:03,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:52:03,737 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:03,738 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:52:03,738 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:52:03,738 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:52:03,738 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:52:03,738 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:52:03,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:52:03,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:52:03,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:52:03,739 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:52:03,739 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-13 15:52:03,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:52:03,740 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:03,740 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:52:03,741 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:52:03,741 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:52:03,741 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:52:03,741 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:52:03,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:52:03,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:52:03,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:52:03,741 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:52:03,742 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-13 15:52:03,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:52:03,743 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:03,743 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:52:03,743 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:52:03,743 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:52:03,743 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:52:03,744 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:52:03,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:52:03,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:52:03,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:52:03,744 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:52:03,745 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-13 15:52:03,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:52:03,745 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:03,746 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:52:03,746 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:52:03,746 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:52:03,746 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:52:03,746 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:52:03,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:52:03,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:52:03,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:52:03,747 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:52:03,747 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-13 15:52:03,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:52:03,748 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:03,749 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:52:03,749 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:52:03,749 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:52:03,749 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:52:03,749 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:52:03,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:52:03,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:52:03,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:52:03,750 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:52:03,751 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-13 15:52:03,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:52:03,752 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:03,753 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:52:03,753 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:52:03,753 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:52:03,754 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:52:03,754 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:52:03,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:52:03,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:52:03,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:52:03,755 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:52:03,797 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2020-10-13 15:52:03,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:52:03,805 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:03,808 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:52:03,808 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-13 15:52:03,808 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:52:03,808 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 15:52:03,809 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:52:03,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:52:03,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 28 [2020-10-13 15:52:03,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:52:03,809 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:52:03,811 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2020-10-13 15:52:03,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:52:03,812 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:03,813 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:52:03,813 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 15:52:03,813 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:52:03,813 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:52:03,814 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:52:03,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:52:03,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 15:52:03,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:52:03,814 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:52:03,850 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 15:52:03,851 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1454002398] [2020-10-13 15:52:03,851 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 15:52:03,851 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-13 15:52:03,851 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1346903177] [2020-10-13 15:52:03,852 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-13 15:52:03,852 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 15:52:03,852 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-13 15:52:03,852 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2020-10-13 15:52:03,853 INFO L87 Difference]: Start difference. First operand 924 states and 1304 transitions. Second operand 9 states. [2020-10-13 15:52:04,088 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-13 15:52:09,329 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 15:52:09,329 INFO L93 Difference]: Finished difference Result 2317 states and 3398 transitions. [2020-10-13 15:52:09,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-13 15:52:09,329 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 217 [2020-10-13 15:52:09,330 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 15:52:09,337 INFO L225 Difference]: With dead ends: 2317 [2020-10-13 15:52:09,337 INFO L226 Difference]: Without dead ends: 1422 [2020-10-13 15:52:09,340 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=57, Invalid=125, Unknown=0, NotChecked=0, Total=182 [2020-10-13 15:52:09,342 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1422 states. [2020-10-13 15:52:09,541 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1422 to 924. [2020-10-13 15:52:09,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 924 states. [2020-10-13 15:52:09,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 924 states to 924 states and 1297 transitions. [2020-10-13 15:52:09,545 INFO L78 Accepts]: Start accepts. Automaton has 924 states and 1297 transitions. Word has length 217 [2020-10-13 15:52:09,545 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 15:52:09,546 INFO L479 AbstractCegarLoop]: Abstraction has 924 states and 1297 transitions. [2020-10-13 15:52:09,546 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-13 15:52:09,546 INFO L276 IsEmpty]: Start isEmpty. Operand 924 states and 1297 transitions. [2020-10-13 15:52:09,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2020-10-13 15:52:09,548 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 15:52:09,548 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] [2020-10-13 15:52:09,548 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-10-13 15:52:09,548 INFO L427 AbstractCegarLoop]: === Iteration 16 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 15:52:09,548 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 15:52:09,549 INFO L82 PathProgramCache]: Analyzing trace with hash 563199279, now seen corresponding path program 1 times [2020-10-13 15:52:09,549 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 15:52:09,549 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2043325206] [2020-10-13 15:52:09,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 15:52:09,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:52:09,599 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:09,691 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:09,845 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:09,890 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:10,215 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:10,334 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:10,369 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:10,427 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:10,522 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:10,845 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:10,883 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:10,919 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:10,944 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:10,969 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:10,993 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:11,016 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:11,038 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:11,060 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:11,082 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:11,102 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:11,124 FATAL L256 erpolLogProxyWrapper]: Now shrinking...