/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=BIGGEST --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/transmitter.15.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-12 21:12:41,360 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-12 21:12:41,364 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-12 21:12:41,409 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-12 21:12:41,410 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-12 21:12:41,421 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-12 21:12:41,423 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-12 21:12:41,427 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-12 21:12:41,429 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-12 21:12:41,433 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-12 21:12:41,434 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-12 21:12:41,434 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-12 21:12:41,435 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-12 21:12:41,438 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-12 21:12:41,440 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-12 21:12:41,442 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-12 21:12:41,443 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-12 21:12:41,444 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-12 21:12:41,446 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-12 21:12:41,452 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-12 21:12:41,453 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-12 21:12:41,454 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-12 21:12:41,455 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-12 21:12:41,456 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-12 21:12:41,458 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-12 21:12:41,458 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-12 21:12:41,458 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-12 21:12:41,459 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-12 21:12:41,459 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-12 21:12:41,460 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-12 21:12:41,460 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-12 21:12:41,461 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-12 21:12:41,462 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-12 21:12:41,462 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-12 21:12:41,463 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-12 21:12:41,463 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-12 21:12:41,464 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-12 21:12:41,464 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-12 21:12:41,464 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-12 21:12:41,465 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-12 21:12:41,466 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-12 21:12:41,466 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 [2020-10-12 21:12:41,488 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-12 21:12:41,488 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-12 21:12:41,490 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-12 21:12:41,490 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-12 21:12:41,490 INFO L138 SettingsManager]: * Use SBE=true [2020-10-12 21:12:41,490 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-12 21:12:41,490 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-12 21:12:41,491 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-12 21:12:41,491 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-12 21:12:41,491 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-12 21:12:41,491 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-12 21:12:41,491 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-12 21:12:41,492 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-12 21:12:41,492 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-12 21:12:41,492 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-12 21:12:41,492 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-12 21:12:41,492 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-12 21:12:41,493 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-12 21:12:41,493 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-12 21:12:41,493 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-12 21:12:41,493 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-12 21:12:41,493 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-12 21:12:41,494 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-12 21:12:41,494 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-12 21:12:41,494 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-12 21:12:41,494 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-12 21:12:41,494 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-12 21:12:41,494 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-12 21:12:41,495 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-12 21:12:41,495 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=BIGGEST;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=BIGGEST;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=BIGGEST;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=BIGGEST;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=BIGGEST;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=BIGGEST;log-additional-information=true;unknown-allowed=true; [2020-10-12 21:12:41,777 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-12 21:12:41,795 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-12 21:12:41,799 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-12 21:12:41,802 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-12 21:12:41,803 INFO L275 PluginConnector]: CDTParser initialized [2020-10-12 21:12:41,804 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/systemc/transmitter.15.cil.c [2020-10-12 21:12:41,890 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e60f282ff/4de6c515577e4ff68e27e01bfff05848/FLAGb5123ee60 [2020-10-12 21:12:42,410 INFO L306 CDTParser]: Found 1 translation units. [2020-10-12 21:12:42,411 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/systemc/transmitter.15.cil.c [2020-10-12 21:12:42,427 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e60f282ff/4de6c515577e4ff68e27e01bfff05848/FLAGb5123ee60 [2020-10-12 21:12:42,727 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e60f282ff/4de6c515577e4ff68e27e01bfff05848 [2020-10-12 21:12:42,737 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-12 21:12:42,739 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-12 21:12:42,743 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-12 21:12:42,743 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-12 21:12:42,747 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-12 21:12:42,748 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 09:12:42" (1/1) ... [2020-10-12 21:12:42,752 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f72e2c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 09:12:42, skipping insertion in model container [2020-10-12 21:12:42,752 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 09:12:42" (1/1) ... [2020-10-12 21:12:42,761 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-12 21:12:42,838 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-12 21:12:43,200 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-12 21:12:43,218 INFO L203 MainTranslator]: Completed pre-run [2020-10-12 21:12:43,461 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-12 21:12:43,492 INFO L208 MainTranslator]: Completed translation [2020-10-12 21:12:43,493 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 09:12:43 WrapperNode [2020-10-12 21:12:43,493 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-12 21:12:43,494 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-12 21:12:43,494 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-12 21:12:43,494 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-12 21:12:43,505 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 09:12:43" (1/1) ... [2020-10-12 21:12:43,505 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 09:12:43" (1/1) ... [2020-10-12 21:12:43,521 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 09:12:43" (1/1) ... [2020-10-12 21:12:43,521 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 09:12:43" (1/1) ... [2020-10-12 21:12:43,546 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 09:12:43" (1/1) ... [2020-10-12 21:12:43,576 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 09:12:43" (1/1) ... [2020-10-12 21:12:43,585 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 09:12:43" (1/1) ... [2020-10-12 21:12:43,601 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-12 21:12:43,602 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-12 21:12:43,602 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-12 21:12:43,602 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-12 21:12:43,603 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 09:12:43" (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 [2020-10-12 21:12:43,681 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-12 21:12:43,681 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-12 21:12:43,682 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2020-10-12 21:12:43,682 INFO L138 BoogieDeclarations]: Found implementation of procedure master [2020-10-12 21:12:43,682 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit1 [2020-10-12 21:12:43,682 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit2 [2020-10-12 21:12:43,682 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit3 [2020-10-12 21:12:43,682 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit4 [2020-10-12 21:12:43,683 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit5 [2020-10-12 21:12:43,683 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit6 [2020-10-12 21:12:43,683 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit7 [2020-10-12 21:12:43,683 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit8 [2020-10-12 21:12:43,683 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit9 [2020-10-12 21:12:43,683 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit10 [2020-10-12 21:12:43,684 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit11 [2020-10-12 21:12:43,684 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit12 [2020-10-12 21:12:43,684 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit13 [2020-10-12 21:12:43,684 INFO L138 BoogieDeclarations]: Found implementation of procedure is_master_triggered [2020-10-12 21:12:43,684 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit1_triggered [2020-10-12 21:12:43,684 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit2_triggered [2020-10-12 21:12:43,685 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit3_triggered [2020-10-12 21:12:43,685 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit4_triggered [2020-10-12 21:12:43,685 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit5_triggered [2020-10-12 21:12:43,685 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit6_triggered [2020-10-12 21:12:43,685 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit7_triggered [2020-10-12 21:12:43,685 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit8_triggered [2020-10-12 21:12:43,686 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit9_triggered [2020-10-12 21:12:43,686 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit10_triggered [2020-10-12 21:12:43,686 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit11_triggered [2020-10-12 21:12:43,686 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit12_triggered [2020-10-12 21:12:43,686 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit13_triggered [2020-10-12 21:12:43,686 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels [2020-10-12 21:12:43,687 INFO L138 BoogieDeclarations]: Found implementation of procedure init_threads [2020-10-12 21:12:43,687 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2020-10-12 21:12:43,687 INFO L138 BoogieDeclarations]: Found implementation of procedure eval [2020-10-12 21:12:43,687 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events [2020-10-12 21:12:43,687 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events [2020-10-12 21:12:43,687 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads [2020-10-12 21:12:43,688 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2020-10-12 21:12:43,688 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_time_events [2020-10-12 21:12:43,688 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_time_events [2020-10-12 21:12:43,688 INFO L138 BoogieDeclarations]: Found implementation of procedure init_model [2020-10-12 21:12:43,688 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_simulation [2020-10-12 21:12:43,688 INFO L138 BoogieDeclarations]: Found implementation of procedure start_simulation [2020-10-12 21:12:43,688 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-12 21:12:43,689 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-12 21:12:43,689 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-12 21:12:43,689 INFO L130 BoogieDeclarations]: Found specification of procedure error [2020-10-12 21:12:43,689 INFO L130 BoogieDeclarations]: Found specification of procedure is_master_triggered [2020-10-12 21:12:43,689 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit1_triggered [2020-10-12 21:12:43,690 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit2_triggered [2020-10-12 21:12:43,690 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit3_triggered [2020-10-12 21:12:43,690 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit4_triggered [2020-10-12 21:12:43,690 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit5_triggered [2020-10-12 21:12:43,690 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit6_triggered [2020-10-12 21:12:43,690 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit7_triggered [2020-10-12 21:12:43,690 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit8_triggered [2020-10-12 21:12:43,691 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit9_triggered [2020-10-12 21:12:43,691 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit10_triggered [2020-10-12 21:12:43,691 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit11_triggered [2020-10-12 21:12:43,691 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit12_triggered [2020-10-12 21:12:43,691 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit13_triggered [2020-10-12 21:12:43,692 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2020-10-12 21:12:43,692 INFO L130 BoogieDeclarations]: Found specification of procedure master [2020-10-12 21:12:43,692 INFO L130 BoogieDeclarations]: Found specification of procedure transmit1 [2020-10-12 21:12:43,692 INFO L130 BoogieDeclarations]: Found specification of procedure transmit2 [2020-10-12 21:12:43,692 INFO L130 BoogieDeclarations]: Found specification of procedure transmit3 [2020-10-12 21:12:43,693 INFO L130 BoogieDeclarations]: Found specification of procedure transmit4 [2020-10-12 21:12:43,693 INFO L130 BoogieDeclarations]: Found specification of procedure transmit5 [2020-10-12 21:12:43,693 INFO L130 BoogieDeclarations]: Found specification of procedure transmit6 [2020-10-12 21:12:43,693 INFO L130 BoogieDeclarations]: Found specification of procedure transmit7 [2020-10-12 21:12:43,693 INFO L130 BoogieDeclarations]: Found specification of procedure transmit8 [2020-10-12 21:12:43,693 INFO L130 BoogieDeclarations]: Found specification of procedure transmit9 [2020-10-12 21:12:43,694 INFO L130 BoogieDeclarations]: Found specification of procedure transmit10 [2020-10-12 21:12:43,694 INFO L130 BoogieDeclarations]: Found specification of procedure transmit11 [2020-10-12 21:12:43,694 INFO L130 BoogieDeclarations]: Found specification of procedure transmit12 [2020-10-12 21:12:43,694 INFO L130 BoogieDeclarations]: Found specification of procedure transmit13 [2020-10-12 21:12:43,694 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels [2020-10-12 21:12:43,694 INFO L130 BoogieDeclarations]: Found specification of procedure init_threads [2020-10-12 21:12:43,695 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2020-10-12 21:12:43,695 INFO L130 BoogieDeclarations]: Found specification of procedure eval [2020-10-12 21:12:43,695 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events [2020-10-12 21:12:43,695 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events [2020-10-12 21:12:43,695 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads [2020-10-12 21:12:43,696 INFO L130 BoogieDeclarations]: Found specification of procedure fire_time_events [2020-10-12 21:12:43,696 INFO L130 BoogieDeclarations]: Found specification of procedure reset_time_events [2020-10-12 21:12:43,696 INFO L130 BoogieDeclarations]: Found specification of procedure init_model [2020-10-12 21:12:43,696 INFO L130 BoogieDeclarations]: Found specification of procedure stop_simulation [2020-10-12 21:12:43,696 INFO L130 BoogieDeclarations]: Found specification of procedure start_simulation [2020-10-12 21:12:43,696 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-12 21:12:43,697 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-12 21:12:43,697 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-12 21:12:44,968 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-12 21:12:44,968 INFO L295 CfgBuilder]: Removed 17 assume(true) statements. [2020-10-12 21:12:44,977 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 09:12:44 BoogieIcfgContainer [2020-10-12 21:12:44,977 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-12 21:12:44,978 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-12 21:12:44,978 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-12 21:12:44,981 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-12 21:12:44,982 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.10 09:12:42" (1/3) ... [2020-10-12 21:12:44,983 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f25d079 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 09:12:44, skipping insertion in model container [2020-10-12 21:12:44,983 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 09:12:43" (2/3) ... [2020-10-12 21:12:44,983 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f25d079 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 09:12:44, skipping insertion in model container [2020-10-12 21:12:44,983 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 09:12:44" (3/3) ... [2020-10-12 21:12:44,985 INFO L109 eAbstractionObserver]: Analyzing ICFG transmitter.15.cil.c [2020-10-12 21:12:44,996 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-12 21:12:45,004 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-12 21:12:45,018 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-12 21:12:45,046 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-12 21:12:45,046 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-12 21:12:45,046 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-12 21:12:45,047 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-12 21:12:45,047 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-12 21:12:45,047 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-12 21:12:45,047 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-12 21:12:45,047 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-12 21:12:45,080 INFO L276 IsEmpty]: Start isEmpty. Operand 499 states. [2020-10-12 21:12:45,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2020-10-12 21:12:45,098 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 21:12:45,100 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 21:12:45,100 INFO L427 AbstractCegarLoop]: === Iteration 1 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 21:12:45,106 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 21:12:45,107 INFO L82 PathProgramCache]: Analyzing trace with hash 754746292, now seen corresponding path program 1 times [2020-10-12 21:12:45,116 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 21:12:45,116 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1093201697] [2020-10-12 21:12:45,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 21:12:45,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:45,625 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:45,822 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:46,139 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:46,316 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:46,391 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:46,454 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:47,942 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:50,516 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:50,517 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 294 [2020-10-12 21:12:50,517 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-12 21:12:50,517 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5023 [2020-10-12 21:12:50,520 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:50,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 21:12:50,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 21:12:50,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 46 [2020-10-12 21:12:50,524 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 6 [2020-10-12 21:12:51,073 WARN L193 SmtUtils]: Spent 447.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-12 21:12:51,076 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:12:51,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:51,098 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:51,128 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:51,129 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:12:51,129 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:12:51,129 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 37 [2020-10-12 21:12:51,130 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:51,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:12:51,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:12:51,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 21:12:51,131 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:12:51,204 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 21:12:51,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:51,212 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:51,220 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:51,221 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:12:51,221 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:12:51,221 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-12 21:12:51,222 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:51,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:12:51,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:12:51,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 21:12:51,223 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:12:51,228 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 21:12:51,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:51,231 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:51,233 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:51,233 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 21:12:51,233 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:12:51,234 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:12:51,234 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:51,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:12:51,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:12:51,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 21:12:51,235 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:12:51,291 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-12 21:12:51,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:51,301 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:51,320 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:51,321 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-12 21:12:51,321 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:12:51,322 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-12 21:12:51,322 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:51,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:12:51,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:12:51,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-12 21:12:51,323 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:12:51,456 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2020-10-12 21:12:51,458 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-12 21:12:51,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:51,474 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:51,525 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:51,525 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-10-12 21:12:51,525 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:12:51,526 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 56 [2020-10-12 21:12:51,526 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:51,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:12:51,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 21:12:51,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 34 [2020-10-12 21:12:51,527 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:12:51,569 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2020-10-12 21:12:51,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:51,609 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:51,638 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:51,668 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:51,690 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:51,709 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:56,593 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:56,593 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 162 [2020-10-12 21:12:56,593 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-12 21:12:56,594 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-12 21:12:56,594 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:56,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 21:12:56,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-10-12 21:12:56,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 21:12:56,595 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:12:56,660 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:12:56,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:56,662 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:56,664 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:56,664 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:12:56,664 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:12:56,664 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:12:56,665 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:56,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:12:56,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:12:56,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:12:56,666 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:12:56,669 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 21:12:56,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:56,672 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:56,677 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:56,677 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:12:56,677 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:12:56,678 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 21:12:56,678 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:56,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:12:56,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:12:56,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 21:12:56,679 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:12:56,715 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-12 21:12:56,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:56,719 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:56,720 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:56,720 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:12:56,720 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:12:56,721 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 21:12:56,721 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:56,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:12:56,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:12:56,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:12:56,722 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:12:56,727 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-12 21:12:56,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:56,730 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:56,732 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:56,732 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:12:56,732 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:12:56,732 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:12:56,733 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:56,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:12:56,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:12:56,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:12:56,734 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:12:56,735 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-12 21:12:56,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:56,746 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:56,749 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:56,749 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:12:56,750 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:12:56,750 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 21:12:56,750 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:56,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:12:56,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:12:56,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:12:56,751 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:12:56,753 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-12 21:12:56,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:56,755 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:56,756 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:56,757 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:12:56,757 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:12:56,757 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:12:56,757 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:56,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:12:56,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:12:56,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:12:56,758 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:12:56,760 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-12 21:12:56,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:56,762 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:56,763 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:56,764 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:12:56,764 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:12:56,764 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:12:56,764 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:56,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:12:56,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:12:56,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:12:56,765 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:12:56,766 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-12 21:12:56,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:56,769 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:56,770 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:56,770 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:12:56,770 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:12:56,771 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:12:56,771 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:56,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:12:56,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:12:56,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:12:56,772 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:12:56,774 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-12 21:12:56,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:56,776 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:56,777 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:56,777 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:12:56,778 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:12:56,778 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:12:56,778 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:56,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:12:56,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:12:56,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:12:56,780 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:12:56,782 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-12 21:12:56,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:56,785 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:56,787 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:56,787 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:12:56,787 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:12:56,787 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 21:12:56,787 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:56,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:12:56,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:12:56,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:12:56,788 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:12:56,790 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-12 21:12:56,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:56,792 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:56,793 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:56,794 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:12:56,794 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:12:56,794 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:12:56,794 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:56,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:12:56,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:12:56,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:12:56,795 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:12:56,797 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-12 21:12:56,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:56,800 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:56,801 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:56,801 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:12:56,802 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:12:56,802 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:12:56,802 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:56,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:12:56,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:12:56,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:12:56,803 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:12:56,805 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-12 21:12:56,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:56,808 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:56,809 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:56,810 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:12:56,810 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:12:56,810 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:12:56,811 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:56,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:12:56,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:12:56,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:12:56,812 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:12:56,814 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-12 21:12:56,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:56,815 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:56,817 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:56,817 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:12:56,819 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:12:56,819 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:12:56,819 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:56,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:12:56,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:12:56,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:12:56,820 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:12:56,836 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2020-10-12 21:12:56,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:56,854 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:56,863 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:56,863 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-10-12 21:12:56,863 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:12:56,863 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-12 21:12:56,864 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:56,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:12:56,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 31 [2020-10-12 21:12:56,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:12:56,866 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-12 21:12:56,874 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-12 21:12:56,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:56,877 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:56,878 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:56,878 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:12:56,878 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:12:56,879 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:12:56,879 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:56,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:12:56,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 21:12:56,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:12:56,880 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:12:56,964 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-12 21:12:56,965 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1093201697] [2020-10-12 21:12:56,967 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 21:12:56,968 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-10-12 21:12:56,968 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2075153279] [2020-10-12 21:12:56,976 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-12 21:12:56,976 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 21:12:56,991 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-12 21:12:56,993 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2020-10-12 21:12:56,995 INFO L87 Difference]: Start difference. First operand 499 states. Second operand 13 states. [2020-10-12 21:12:57,390 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-12 21:12:57,557 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2020-10-12 21:12:57,823 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2020-10-12 21:12:59,483 WARN L193 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-12 21:12:59,784 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2020-10-12 21:13:00,064 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-12 21:13:00,246 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2020-10-12 21:13:00,543 WARN L193 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-12 21:13:00,681 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2020-10-12 21:13:09,218 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 21:13:09,219 INFO L93 Difference]: Finished difference Result 1335 states and 2224 transitions. [2020-10-12 21:13:09,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-10-12 21:13:09,221 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 240 [2020-10-12 21:13:09,222 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 21:13:09,256 INFO L225 Difference]: With dead ends: 1335 [2020-10-12 21:13:09,257 INFO L226 Difference]: Without dead ends: 855 [2020-10-12 21:13:09,270 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 103 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=173, Invalid=477, Unknown=0, NotChecked=0, Total=650 [2020-10-12 21:13:09,291 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 855 states. [2020-10-12 21:13:09,435 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 855 to 495. [2020-10-12 21:13:09,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 495 states. [2020-10-12 21:13:09,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 495 states to 495 states and 721 transitions. [2020-10-12 21:13:09,443 INFO L78 Accepts]: Start accepts. Automaton has 495 states and 721 transitions. Word has length 240 [2020-10-12 21:13:09,444 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 21:13:09,444 INFO L479 AbstractCegarLoop]: Abstraction has 495 states and 721 transitions. [2020-10-12 21:13:09,444 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-12 21:13:09,445 INFO L276 IsEmpty]: Start isEmpty. Operand 495 states and 721 transitions. [2020-10-12 21:13:09,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2020-10-12 21:13:09,451 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 21:13:09,451 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 21:13:09,452 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-12 21:13:09,452 INFO L427 AbstractCegarLoop]: === Iteration 2 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 21:13:09,452 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 21:13:09,452 INFO L82 PathProgramCache]: Analyzing trace with hash -1799105870, now seen corresponding path program 1 times [2020-10-12 21:13:09,453 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 21:13:09,453 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [664146390] [2020-10-12 21:13:09,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 21:13:09,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:13:09,541 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:09,593 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:09,700 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:09,795 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:09,873 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:09,933 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:14,292 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:14,455 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:14,521 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:13:14,522 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 294 [2020-10-12 21:13:14,522 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-12 21:13:14,522 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5014 [2020-10-12 21:13:14,522 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:13:14,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 21:13:14,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 21:13:14,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 47 [2020-10-12 21:13:14,526 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-12 21:13:14,823 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-12 21:13:14,824 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:13:14,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:13:14,841 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:14,861 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:13:14,861 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:13:14,862 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:13:14,862 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-12 21:13:14,862 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:13:14,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:13:14,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:13:14,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 21:13:14,863 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:13:14,905 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 21:13:14,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:13:14,910 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:14,913 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:13:14,914 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:13:14,914 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:13:14,914 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 21:13:14,914 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:13:14,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:13:14,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:13:14,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 21:13:14,915 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:13:14,917 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 21:13:14,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:13:14,919 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:14,920 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:13:14,920 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 21:13:14,920 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:13:14,920 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:13:14,920 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:13:14,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:13:14,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:13:14,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 21:13:14,921 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:13:14,977 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-12 21:13:14,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:13:14,984 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:14,993 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:13:14,994 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-12 21:13:14,994 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:13:14,994 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-12 21:13:14,995 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:13:14,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:13:14,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:13:14,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-12 21:13:14,996 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:13:15,097 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-12 21:13:15,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:13:15,110 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:15,150 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:13:15,151 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-10-12 21:13:15,151 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:13:15,151 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 45 [2020-10-12 21:13:15,152 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:13:15,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:13:15,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 21:13:15,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 34 [2020-10-12 21:13:15,153 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:13:15,197 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2020-10-12 21:13:15,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:13:15,237 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:15,264 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:15,287 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:15,303 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:17,175 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:20,220 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:13:20,220 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 162 [2020-10-12 21:13:20,220 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-12 21:13:20,221 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-12 21:13:20,221 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:13:20,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 21:13:20,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 30 [2020-10-12 21:13:20,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 21:13:20,222 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:13:20,279 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:13:20,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:13:20,281 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:20,283 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:13:20,283 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:13:20,283 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:13:20,284 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:13:20,284 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:13:20,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:13:20,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:13:20,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:13:20,285 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:13:20,286 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 21:13:20,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:13:20,287 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:20,288 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:13:20,289 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:13:20,289 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:13:20,289 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:13:20,289 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:13:20,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:13:20,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:13:20,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:13:20,290 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:13:20,291 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-12 21:13:20,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:13:20,294 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:20,298 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:13:20,298 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:13:20,299 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:13:20,299 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 21:13:20,299 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:13:20,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:13:20,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:13:20,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 21:13:20,300 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:13:20,336 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-12 21:13:20,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:13:20,338 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:20,339 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:13:20,339 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:13:20,340 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:13:20,340 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:13:20,340 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:13:20,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:13:20,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:13:20,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:13:20,341 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:13:20,342 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-12 21:13:20,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:13:20,344 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:20,345 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:13:20,345 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:13:20,346 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:13:20,346 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:13:20,346 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:13:20,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:13:20,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:13:20,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:13:20,347 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:13:20,348 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-12 21:13:20,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:13:20,350 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:20,351 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:13:20,351 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:13:20,352 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:13:20,352 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:13:20,352 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:13:20,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:13:20,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:13:20,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:13:20,353 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:13:20,354 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-12 21:13:20,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:13:20,356 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:20,357 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:13:20,357 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:13:20,358 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:13:20,358 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:13:20,358 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:13:20,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:13:20,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:13:20,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:13:20,359 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:13:20,360 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-12 21:13:20,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:13:20,362 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:20,363 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:13:20,364 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:13:20,364 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:13:20,364 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:13:20,364 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:13:20,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:13:20,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:13:20,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:13:20,365 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:13:20,367 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-12 21:13:20,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:13:20,370 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:20,371 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:13:20,372 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:13:20,372 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:13:20,373 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:13:20,373 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:13:20,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:13:20,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:13:20,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:13:20,375 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:13:20,376 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-12 21:13:20,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:13:20,379 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:20,381 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:13:20,381 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:13:20,382 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:13:20,382 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:13:20,383 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:13:20,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:13:20,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:13:20,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:13:20,384 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:13:20,386 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-12 21:13:20,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:13:20,389 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:20,390 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:13:20,391 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:13:20,391 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:13:20,392 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:13:20,392 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:13:20,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:13:20,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:13:20,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:13:20,394 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:13:20,396 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-12 21:13:20,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:13:20,398 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:20,400 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:13:20,401 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:13:20,401 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:13:20,401 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:13:20,402 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:13:20,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:13:20,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:13:20,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:13:20,404 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:13:20,405 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-12 21:13:20,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:13:20,408 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:20,410 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:13:20,410 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:13:20,410 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:13:20,411 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:13:20,411 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:13:20,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:13:20,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:13:20,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:13:20,413 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:13:20,414 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-12 21:13:20,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:13:20,416 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:20,418 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:13:20,418 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:13:20,418 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:13:20,419 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:13:20,419 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:13:20,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:13:20,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:13:20,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:13:20,420 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:13:20,450 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2020-10-12 21:13:20,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:13:20,460 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:20,492 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:13:20,492 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-10-12 21:13:20,492 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:13:20,492 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-10-12 21:13:20,493 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:13:20,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:13:20,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 31 [2020-10-12 21:13:20,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:13:20,494 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:13:20,501 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-12 21:13:20,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:13:20,503 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:20,505 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:13:20,505 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:13:20,506 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:13:20,506 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:13:20,506 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:13:20,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:13:20,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 21:13:20,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:13:20,508 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:13:20,654 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-12 21:13:20,654 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [664146390] [2020-10-12 21:13:20,655 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 21:13:20,655 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-10-12 21:13:20,655 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [354242948] [2020-10-12 21:13:20,657 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-12 21:13:20,657 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 21:13:20,658 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-12 21:13:20,658 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2020-10-12 21:13:20,658 INFO L87 Difference]: Start difference. First operand 495 states and 721 transitions. Second operand 13 states. [2020-10-12 21:13:21,032 WARN L193 SmtUtils]: Spent 317.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-12 21:13:21,164 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2020-10-12 21:13:22,850 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-10-12 21:13:23,125 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2020-10-12 21:13:23,281 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-12 21:13:23,569 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-10-12 21:13:23,725 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-12 21:13:23,990 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-10-12 21:13:31,597 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 21:13:31,597 INFO L93 Difference]: Finished difference Result 1323 states and 2068 transitions. [2020-10-12 21:13:31,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-12 21:13:31,598 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 240 [2020-10-12 21:13:31,599 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 21:13:31,606 INFO L225 Difference]: With dead ends: 1323 [2020-10-12 21:13:31,606 INFO L226 Difference]: Without dead ends: 859 [2020-10-12 21:13:31,610 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=143, Invalid=409, Unknown=0, NotChecked=0, Total=552 [2020-10-12 21:13:31,612 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 859 states. [2020-10-12 21:13:31,695 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 859 to 500. [2020-10-12 21:13:31,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 500 states. [2020-10-12 21:13:31,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 500 states to 500 states and 723 transitions. [2020-10-12 21:13:31,699 INFO L78 Accepts]: Start accepts. Automaton has 500 states and 723 transitions. Word has length 240 [2020-10-12 21:13:31,699 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 21:13:31,700 INFO L479 AbstractCegarLoop]: Abstraction has 500 states and 723 transitions. [2020-10-12 21:13:31,700 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-12 21:13:31,700 INFO L276 IsEmpty]: Start isEmpty. Operand 500 states and 723 transitions. [2020-10-12 21:13:31,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2020-10-12 21:13:31,703 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 21:13:31,704 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 21:13:31,704 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-12 21:13:31,704 INFO L427 AbstractCegarLoop]: === Iteration 3 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 21:13:31,704 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 21:13:31,704 INFO L82 PathProgramCache]: Analyzing trace with hash 1330235892, now seen corresponding path program 1 times [2020-10-12 21:13:31,705 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 21:13:31,705 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1206616938] [2020-10-12 21:13:31,705 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 21:13:31,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:13:31,760 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:31,799 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:31,895 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:31,995 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:32,120 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:32,226 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:32,500 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:32,570 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:32,668 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:32,786 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:32,849 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:33,435 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:33,502 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:33,555 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:33,605 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:33,659 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:33,714 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:33,769 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:33,833 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:33,930 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:33,972 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:34,015 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:34,105 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:34,180 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:34,457 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:34,525 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:34,602 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:34,678 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:34,747 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:36,774 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:13:36,774 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 294 [2020-10-12 21:13:36,775 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 29 [2020-10-12 21:13:36,775 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5034 [2020-10-12 21:13:36,775 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:13:36,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 21:13:36,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 21:13:36,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 57 [2020-10-12 21:13:36,775 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:13:37,122 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-12 21:13:37,123 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:13:37,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:13:37,140 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:37,162 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:13:37,163 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:13:37,163 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:13:37,163 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-12 21:13:37,164 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:13:37,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:13:37,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:13:37,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 21:13:37,164 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:13:37,217 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 21:13:37,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:13:37,226 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:37,230 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:13:37,231 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:13:37,231 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:13:37,231 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 21:13:37,231 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:13:37,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:13:37,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:13:37,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 21:13:37,232 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:13:37,234 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 21:13:37,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:13:37,237 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:37,238 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:13:37,238 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 21:13:37,239 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:13:37,239 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:13:37,239 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:13:37,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:13:37,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:13:37,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 21:13:37,241 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:13:37,287 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-12 21:13:37,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:13:37,293 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:37,300 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:13:37,301 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-12 21:13:37,301 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:13:37,301 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-12 21:13:37,301 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:13:37,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:13:37,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:13:37,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-12 21:13:37,302 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:13:37,374 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-12 21:13:37,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:13:37,383 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:37,410 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:13:37,410 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-10-12 21:13:37,410 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:13:37,410 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-12 21:13:37,411 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:13:37,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:13:37,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 21:13:37,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 34 [2020-10-12 21:13:37,411 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:13:37,450 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2020-10-12 21:13:37,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:13:37,473 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:37,488 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:37,500 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:37,766 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:38,342 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:13:38,343 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 162 [2020-10-12 21:13:38,343 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-12 21:13:38,343 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 877 [2020-10-12 21:13:38,343 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:13:38,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 21:13:38,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 96 [2020-10-12 21:13:38,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 21:13:38,344 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:13:38,380 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:13:38,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:13:38,382 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:38,383 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:13:38,383 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:13:38,384 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:13:38,384 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:13:38,384 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:13:38,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:13:38,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:13:38,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:13:38,385 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:13:38,386 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 21:13:38,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:13:38,387 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:38,388 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:13:38,389 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:13:38,389 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:13:38,389 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:13:38,389 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:13:38,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:13:38,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:13:38,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:13:38,390 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:13:38,391 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-12 21:13:38,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:13:38,392 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:38,393 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:13:38,393 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:13:38,393 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:13:38,394 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:13:38,394 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:13:38,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:13:38,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:13:38,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:13:38,395 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:13:38,395 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-12 21:13:38,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:13:38,397 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:38,398 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:13:38,398 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:13:38,398 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:13:38,398 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:13:38,399 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:13:38,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:13:38,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:13:38,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:13:38,399 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:13:38,401 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-12 21:13:38,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:13:38,402 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:38,403 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:13:38,403 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:13:38,403 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:13:38,404 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:13:38,404 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:13:38,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:13:38,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:13:38,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:13:38,405 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:13:38,406 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-12 21:13:38,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:13:38,407 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:38,408 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:13:38,409 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:13:38,409 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:13:38,409 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:13:38,409 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:13:38,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:13:38,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:13:38,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:13:38,410 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:13:38,411 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-12 21:13:38,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:13:38,412 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:38,413 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:13:38,414 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:13:38,414 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:13:38,414 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:13:38,414 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:13:38,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:13:38,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:13:38,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:13:38,415 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:13:38,416 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-12 21:13:38,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:13:38,417 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:38,418 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:13:38,418 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:13:38,418 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:13:38,419 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:13:38,419 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:13:38,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:13:38,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:13:38,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:13:38,420 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:13:38,421 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-12 21:13:38,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:13:38,422 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:38,425 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:13:38,425 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:13:38,425 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:13:38,425 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:13:38,425 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:13:38,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:13:38,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:13:38,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 21:13:38,426 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:13:38,466 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-12 21:13:38,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:13:38,469 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:38,470 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:13:38,471 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:13:38,471 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:13:38,471 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:13:38,472 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:13:38,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:13:38,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:13:38,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:13:38,473 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:13:38,474 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-12 21:13:38,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:13:38,476 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:38,478 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:13:38,478 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:13:38,479 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:13:38,479 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:13:38,479 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:13:38,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:13:38,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:13:38,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:13:38,480 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:13:38,485 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-12 21:13:38,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:13:38,487 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:38,489 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:13:38,489 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:13:38,489 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:13:38,490 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:13:38,490 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:13:38,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:13:38,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:13:38,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:13:38,491 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:13:38,493 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-12 21:13:38,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:13:38,497 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:38,498 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:13:38,499 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:13:38,499 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:13:38,499 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:13:38,500 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:13:38,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:13:38,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:13:38,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:13:38,501 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:13:38,503 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-12 21:13:38,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:13:38,505 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:38,507 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:13:38,507 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:13:38,507 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:13:38,508 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:13:38,508 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:13:38,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:13:38,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:13:38,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:13:38,509 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:13:38,530 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2020-10-12 21:13:38,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:13:38,539 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:38,547 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:13:38,548 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-10-12 21:13:38,548 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:13:38,548 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-12 21:13:38,549 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:13:38,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:13:38,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 31 [2020-10-12 21:13:38,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:13:38,550 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:13:38,557 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-12 21:13:38,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:13:38,559 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:38,560 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:13:38,561 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:13:38,561 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:13:38,561 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:13:38,562 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:13:38,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:13:38,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 21:13:38,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:13:38,563 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:13:38,695 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-12 21:13:38,696 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1206616938] [2020-10-12 21:13:38,696 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 21:13:38,697 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-10-12 21:13:38,697 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [340330829] [2020-10-12 21:13:38,699 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-12 21:13:38,699 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 21:13:38,700 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-12 21:13:38,700 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2020-10-12 21:13:38,700 INFO L87 Difference]: Start difference. First operand 500 states and 723 transitions. Second operand 13 states. [2020-10-12 21:13:39,098 WARN L193 SmtUtils]: Spent 342.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-12 21:13:39,285 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2020-10-12 21:13:39,482 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2020-10-12 21:13:41,718 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-12 21:13:42,011 WARN L193 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2020-10-12 21:13:42,164 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2020-10-12 21:13:42,432 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-12 21:13:42,582 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2020-10-12 21:13:42,838 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-12 21:13:49,232 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 21:13:49,233 INFO L93 Difference]: Finished difference Result 1317 states and 2042 transitions. [2020-10-12 21:13:49,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-12 21:13:49,233 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 240 [2020-10-12 21:13:49,234 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 21:13:49,241 INFO L225 Difference]: With dead ends: 1317 [2020-10-12 21:13:49,241 INFO L226 Difference]: Without dead ends: 848 [2020-10-12 21:13:49,247 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=143, Invalid=409, Unknown=0, NotChecked=0, Total=552 [2020-10-12 21:13:49,249 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 848 states. [2020-10-12 21:13:49,334 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 848 to 505. [2020-10-12 21:13:49,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 505 states. [2020-10-12 21:13:49,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 505 states to 505 states and 725 transitions. [2020-10-12 21:13:49,338 INFO L78 Accepts]: Start accepts. Automaton has 505 states and 725 transitions. Word has length 240 [2020-10-12 21:13:49,338 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 21:13:49,338 INFO L479 AbstractCegarLoop]: Abstraction has 505 states and 725 transitions. [2020-10-12 21:13:49,338 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-12 21:13:49,338 INFO L276 IsEmpty]: Start isEmpty. Operand 505 states and 725 transitions. [2020-10-12 21:13:49,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2020-10-12 21:13:49,342 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 21:13:49,342 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 21:13:49,342 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-12 21:13:49,343 INFO L427 AbstractCegarLoop]: === Iteration 4 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 21:13:49,343 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 21:13:49,343 INFO L82 PathProgramCache]: Analyzing trace with hash 1443344566, now seen corresponding path program 1 times [2020-10-12 21:13:49,343 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 21:13:49,343 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1306906088] [2020-10-12 21:13:49,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 21:13:49,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:13:49,395 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:49,422 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:49,500 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:49,561 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:49,621 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:49,674 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:49,833 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:49,873 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:49,928 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:49,993 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:50,030 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:50,367 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:50,409 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:50,448 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:50,481 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:50,515 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:50,550 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:50,585 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:50,620 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:50,653 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:50,686 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:50,713 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:50,768 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:50,947 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:51,001 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:51,044 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:51,092 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:51,144 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:54,399 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:13:54,400 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 294 [2020-10-12 21:13:54,400 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 28 [2020-10-12 21:13:54,400 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5022 [2020-10-12 21:13:54,400 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:13:54,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 21:13:54,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 21:13:54,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 63 [2020-10-12 21:13:54,401 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:13:54,694 WARN L193 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-12 21:13:54,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:13:54,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:13:54,705 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:54,720 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:13:54,720 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:13:54,720 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:13:54,721 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-12 21:13:54,721 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:13:54,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:13:54,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:13:54,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 21:13:54,722 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:13:54,763 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 21:13:54,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:13:54,771 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:54,774 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:13:54,774 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:13:54,774 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:13:54,774 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 21:13:54,775 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:13:54,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:13:54,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:13:54,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 21:13:54,775 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:13:54,777 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 21:13:54,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:13:54,779 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:54,780 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:13:54,780 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 21:13:54,780 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:13:54,781 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:13:54,781 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:13:54,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:13:54,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:13:54,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 21:13:54,781 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:13:54,813 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-12 21:13:54,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:13:54,818 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:54,825 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:13:54,825 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-12 21:13:54,826 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:13:54,826 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-12 21:13:54,826 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:13:54,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:13:54,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:13:54,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-12 21:13:54,827 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:13:54,893 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-12 21:13:54,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:13:54,900 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:54,923 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:13:54,923 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-10-12 21:13:54,923 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:13:54,923 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-12 21:13:54,924 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:13:54,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:13:54,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 21:13:54,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 34 [2020-10-12 21:13:54,924 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:13:54,960 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2020-10-12 21:13:54,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:13:54,979 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:54,991 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:55,051 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:55,169 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:13:55,169 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 162 [2020-10-12 21:13:55,170 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 21:13:55,170 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 198 [2020-10-12 21:13:55,170 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:13:55,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 21:13:55,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 151 [2020-10-12 21:13:55,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 21:13:55,170 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:13:55,219 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:13:55,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:13:55,220 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:55,222 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:13:55,222 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:13:55,222 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:13:55,222 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:13:55,222 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:13:55,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:13:55,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:13:55,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:13:55,223 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:13:55,224 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 21:13:55,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:13:55,225 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:55,225 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:13:55,225 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:13:55,225 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:13:55,226 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:13:55,226 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:13:55,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:13:55,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:13:55,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:13:55,226 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:13:55,227 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-12 21:13:55,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:13:55,227 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:55,228 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:13:55,228 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:13:55,228 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:13:55,228 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:13:55,229 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:13:55,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:13:55,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:13:55,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:13:55,229 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:13:55,230 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-12 21:13:55,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:13:55,231 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:55,232 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:13:55,232 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:13:55,232 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:13:55,232 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:13:55,232 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:13:55,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:13:55,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:13:55,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:13:55,233 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:13:55,234 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-12 21:13:55,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:13:55,235 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:55,236 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:13:55,236 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:13:55,237 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:13:55,237 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:13:55,237 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:13:55,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:13:55,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:13:55,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:13:55,238 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:13:55,239 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-12 21:13:55,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:13:55,240 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:55,241 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:13:55,241 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:13:55,241 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:13:55,241 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:13:55,241 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:13:55,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:13:55,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:13:55,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:13:55,242 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:13:55,243 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-12 21:13:55,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:13:55,244 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:55,245 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:13:55,246 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:13:55,246 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:13:55,246 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:13:55,246 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:13:55,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:13:55,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:13:55,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:13:55,247 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:13:55,248 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-12 21:13:55,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:13:55,249 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:55,250 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:13:55,250 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:13:55,250 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:13:55,250 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:13:55,250 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:13:55,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:13:55,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:13:55,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:13:55,251 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:13:55,252 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-12 21:13:55,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:13:55,253 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:55,254 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:13:55,254 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:13:55,254 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:13:55,254 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:13:55,254 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:13:55,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:13:55,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:13:55,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:13:55,255 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:13:55,256 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-12 21:13:55,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:13:55,257 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:55,258 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:13:55,258 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:13:55,259 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:13:55,259 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:13:55,259 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:13:55,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:13:55,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:13:55,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:13:55,260 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:13:55,261 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-12 21:13:55,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:13:55,262 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:55,263 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:13:55,263 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:13:55,263 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:13:55,263 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:13:55,264 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:13:55,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:13:55,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:13:55,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:13:55,264 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:13:55,265 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-12 21:13:55,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:13:55,266 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:55,267 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:13:55,268 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:13:55,268 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:13:55,268 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:13:55,268 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:13:55,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:13:55,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:13:55,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:13:55,269 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:13:55,270 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-12 21:13:55,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:13:55,271 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:55,272 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:13:55,272 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:13:55,272 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:13:55,272 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:13:55,273 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:13:55,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:13:55,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:13:55,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:13:55,273 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:13:55,274 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-12 21:13:55,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:13:55,276 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:55,279 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:13:55,280 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:13:55,280 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:13:55,280 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 21:13:55,280 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:13:55,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:13:55,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:13:55,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 21:13:55,281 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:13:55,347 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2020-10-12 21:13:55,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:13:55,354 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:55,360 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:13:55,360 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-10-12 21:13:55,361 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:13:55,361 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-12 21:13:55,361 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:13:55,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:13:55,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 31 [2020-10-12 21:13:55,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:13:55,362 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:13:55,366 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-12 21:13:55,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:13:55,367 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:55,368 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:13:55,368 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:13:55,369 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:13:55,369 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:13:55,369 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:13:55,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:13:55,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 21:13:55,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:13:55,370 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:13:55,429 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-12 21:13:55,429 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1306906088] [2020-10-12 21:13:55,429 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 21:13:55,429 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-10-12 21:13:55,429 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1078552553] [2020-10-12 21:13:55,430 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-12 21:13:55,430 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 21:13:55,430 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-12 21:13:55,431 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2020-10-12 21:13:55,431 INFO L87 Difference]: Start difference. First operand 505 states and 725 transitions. Second operand 14 states. [2020-10-12 21:13:55,707 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-12 21:13:55,850 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2020-10-12 21:13:56,041 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2020-10-12 21:13:59,077 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-10-12 21:13:59,388 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2020-10-12 21:13:59,557 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-12 21:13:59,848 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-10-12 21:14:00,014 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-12 21:14:00,297 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-10-12 21:14:02,799 WARN L193 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-12 21:14:03,903 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-12 21:14:05,180 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-10-12 21:14:05,464 WARN L193 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2020-10-12 21:14:05,614 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-12 21:14:05,892 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-10-12 21:14:06,057 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-12 21:14:06,364 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-10-12 21:14:11,262 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 21:14:11,262 INFO L93 Difference]: Finished difference Result 1600 states and 2480 transitions. [2020-10-12 21:14:11,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2020-10-12 21:14:11,263 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 240 [2020-10-12 21:14:11,264 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 21:14:11,272 INFO L225 Difference]: With dead ends: 1600 [2020-10-12 21:14:11,273 INFO L226 Difference]: Without dead ends: 1126 [2020-10-12 21:14:11,277 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 296 ImplicationChecksByTransitivity, 4.5s TimeCoverageRelationStatistics Valid=328, Invalid=1004, Unknown=0, NotChecked=0, Total=1332 [2020-10-12 21:14:11,279 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1126 states. [2020-10-12 21:14:11,447 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1126 to 676. [2020-10-12 21:14:11,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 676 states. [2020-10-12 21:14:11,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 676 states to 676 states and 933 transitions. [2020-10-12 21:14:11,451 INFO L78 Accepts]: Start accepts. Automaton has 676 states and 933 transitions. Word has length 240 [2020-10-12 21:14:11,452 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 21:14:11,452 INFO L479 AbstractCegarLoop]: Abstraction has 676 states and 933 transitions. [2020-10-12 21:14:11,452 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-12 21:14:11,452 INFO L276 IsEmpty]: Start isEmpty. Operand 676 states and 933 transitions. [2020-10-12 21:14:11,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2020-10-12 21:14:11,455 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 21:14:11,456 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 21:14:11,456 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-12 21:14:11,456 INFO L427 AbstractCegarLoop]: === Iteration 5 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 21:14:11,456 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 21:14:11,456 INFO L82 PathProgramCache]: Analyzing trace with hash 146713981, now seen corresponding path program 1 times [2020-10-12 21:14:11,457 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 21:14:11,457 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [155367983] [2020-10-12 21:14:11,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 21:14:11,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:14:11,511 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:11,545 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:11,604 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:11,654 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:11,712 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:11,771 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:11,795 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:12,207 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:12,254 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:12,359 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:12,629 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:13,037 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:13,078 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:13,113 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:13,144 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:13,175 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:13,207 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:13,268 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:13,299 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:13,324 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:13,353 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:13,379 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:13,504 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:13,547 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:13,594 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:13,638 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:13,683 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:16,518 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:14:16,518 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 294 [2020-10-12 21:14:16,518 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 27 [2020-10-12 21:14:16,518 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5026 [2020-10-12 21:14:16,519 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:14:16,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 21:14:16,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 21:14:16,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 49 [2020-10-12 21:14:16,519 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:14:16,771 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-12 21:14:16,772 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:14:16,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:14:16,780 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:16,792 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:14:16,792 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:14:16,792 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:14:16,792 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-12 21:14:16,792 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:14:16,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:14:16,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:14:16,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 21:14:16,793 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:14:16,833 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 21:14:16,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:14:16,840 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:16,842 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:14:16,842 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:14:16,842 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:14:16,843 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 21:14:16,843 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:14:16,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:14:16,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:14:16,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 21:14:16,843 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:14:16,845 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 21:14:16,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:14:16,846 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:16,847 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:14:16,847 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 21:14:16,847 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:14:16,847 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:14:16,848 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:14:16,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:14:16,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:14:16,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 21:14:16,848 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:14:16,885 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-12 21:14:16,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:14:16,890 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:16,895 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:14:16,895 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-12 21:14:16,895 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:14:16,896 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 21:14:16,896 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:14:16,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:14:16,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:14:16,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-12 21:14:16,896 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:14:16,963 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-12 21:14:16,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:14:16,972 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:16,986 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:14:16,986 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-10-12 21:14:16,986 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:14:16,986 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-12 21:14:16,986 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:14:16,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:14:16,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 21:14:16,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 34 [2020-10-12 21:14:16,987 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:14:17,019 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2020-10-12 21:14:17,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:14:17,033 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:17,040 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:17,047 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:17,327 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:14:17,328 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 162 [2020-10-12 21:14:17,328 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 21:14:17,328 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 300 [2020-10-12 21:14:17,328 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:14:17,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 21:14:17,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 63 [2020-10-12 21:14:17,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 21:14:17,328 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:14:17,354 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:14:17,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:14:17,356 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:17,357 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:14:17,357 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:14:17,357 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:14:17,357 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:14:17,357 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:14:17,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:14:17,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:14:17,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:14:17,358 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:14:17,358 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 21:14:17,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:14:17,359 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:17,360 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:14:17,360 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:14:17,360 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:14:17,360 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:14:17,360 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:14:17,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:14:17,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:14:17,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:14:17,361 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:14:17,361 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-12 21:14:17,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:14:17,362 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:17,362 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:14:17,363 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:14:17,363 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:14:17,363 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:14:17,363 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:14:17,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:14:17,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:14:17,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:14:17,363 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:14:17,364 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-12 21:14:17,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:14:17,365 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:17,365 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:14:17,365 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:14:17,366 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:14:17,366 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:14:17,366 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:14:17,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:14:17,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:14:17,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:14:17,366 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:14:17,367 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-12 21:14:17,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:14:17,367 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:17,368 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:14:17,368 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:14:17,368 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:14:17,368 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:14:17,368 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:14:17,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:14:17,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:14:17,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:14:17,369 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:14:17,369 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-12 21:14:17,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:14:17,370 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:17,372 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:14:17,372 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:14:17,372 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:14:17,372 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:14:17,372 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:14:17,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:14:17,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:14:17,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 21:14:17,373 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:14:17,409 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-12 21:14:17,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:14:17,410 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:17,412 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:14:17,412 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:14:17,412 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:14:17,412 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:14:17,412 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:14:17,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:14:17,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:14:17,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:14:17,413 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:14:17,414 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-12 21:14:17,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:14:17,415 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:17,416 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:14:17,416 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:14:17,416 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:14:17,416 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:14:17,416 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:14:17,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:14:17,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:14:17,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:14:17,417 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:14:17,418 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-12 21:14:17,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:14:17,419 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:17,419 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:14:17,419 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:14:17,420 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:14:17,420 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:14:17,420 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:14:17,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:14:17,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:14:17,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:14:17,420 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:14:17,421 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-12 21:14:17,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:14:17,422 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:17,423 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:14:17,423 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:14:17,423 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:14:17,423 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:14:17,423 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:14:17,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:14:17,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:14:17,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:14:17,424 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:14:17,425 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-12 21:14:17,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:14:17,426 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:17,426 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:14:17,427 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:14:17,427 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:14:17,427 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:14:17,427 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:14:17,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:14:17,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:14:17,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:14:17,427 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:14:17,428 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-12 21:14:17,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:14:17,429 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:17,430 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:14:17,430 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:14:17,430 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:14:17,431 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:14:17,431 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:14:17,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:14:17,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:14:17,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:14:17,431 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:14:17,432 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-12 21:14:17,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:14:17,433 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:17,434 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:14:17,435 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:14:17,435 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:14:17,435 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:14:17,435 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:14:17,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:14:17,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:14:17,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:14:17,436 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:14:17,437 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-12 21:14:17,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:14:17,438 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:17,439 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:14:17,439 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:14:17,439 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:14:17,439 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:14:17,439 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:14:17,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:14:17,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:14:17,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:14:17,440 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:14:17,447 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2020-10-12 21:14:17,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:14:17,451 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:17,454 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:14:17,455 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-10-12 21:14:17,455 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:14:17,455 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 21:14:17,455 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:14:17,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:14:17,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 31 [2020-10-12 21:14:17,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:14:17,455 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:14:17,458 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-12 21:14:17,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:14:17,459 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:17,460 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:14:17,460 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:14:17,460 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:14:17,461 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:14:17,461 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:14:17,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:14:17,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 21:14:17,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:14:17,461 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:14:17,515 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-12 21:14:17,515 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [155367983] [2020-10-12 21:14:17,515 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 21:14:17,515 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-10-12 21:14:17,515 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1117227134] [2020-10-12 21:14:17,516 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-12 21:14:17,516 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 21:14:17,516 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-12 21:14:17,516 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2020-10-12 21:14:17,517 INFO L87 Difference]: Start difference. First operand 676 states and 933 transitions. Second operand 14 states. [2020-10-12 21:14:17,795 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-12 21:14:17,926 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2020-10-12 21:14:18,130 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2020-10-12 21:14:20,043 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-12 21:14:20,451 WARN L193 SmtUtils]: Spent 377.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2020-10-12 21:14:20,656 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2020-10-12 21:14:21,072 WARN L193 SmtUtils]: Spent 362.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-12 21:14:21,265 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2020-10-12 21:14:21,663 WARN L193 SmtUtils]: Spent 362.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-12 21:14:28,479 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 21:14:28,479 INFO L93 Difference]: Finished difference Result 1737 states and 2559 transitions. [2020-10-12 21:14:28,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-12 21:14:28,480 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 240 [2020-10-12 21:14:28,480 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 21:14:28,487 INFO L225 Difference]: With dead ends: 1737 [2020-10-12 21:14:28,487 INFO L226 Difference]: Without dead ends: 1092 [2020-10-12 21:14:28,490 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 75 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=157, Invalid=443, Unknown=0, NotChecked=0, Total=600 [2020-10-12 21:14:28,492 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1092 states. [2020-10-12 21:14:28,610 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1092 to 681. [2020-10-12 21:14:28,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 681 states. [2020-10-12 21:14:28,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 681 states to 681 states and 934 transitions. [2020-10-12 21:14:28,612 INFO L78 Accepts]: Start accepts. Automaton has 681 states and 934 transitions. Word has length 240 [2020-10-12 21:14:28,613 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 21:14:28,613 INFO L479 AbstractCegarLoop]: Abstraction has 681 states and 934 transitions. [2020-10-12 21:14:28,613 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-12 21:14:28,613 INFO L276 IsEmpty]: Start isEmpty. Operand 681 states and 934 transitions. [2020-10-12 21:14:28,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2020-10-12 21:14:28,615 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 21:14:28,615 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 21:14:28,615 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-12 21:14:28,615 INFO L427 AbstractCegarLoop]: === Iteration 6 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 21:14:28,616 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 21:14:28,616 INFO L82 PathProgramCache]: Analyzing trace with hash -1163769341, now seen corresponding path program 1 times [2020-10-12 21:14:28,616 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 21:14:28,616 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1403298878] [2020-10-12 21:14:28,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 21:14:28,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:14:28,653 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:28,676 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:28,730 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:28,780 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:28,835 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:29,025 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:29,054 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:29,089 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:29,119 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:29,147 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:29,169 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:29,192 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:29,228 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:29,245 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:29,261 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:29,276 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:29,290 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:29,319 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:29,333 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:29,346 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:29,359 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:29,886 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:29,904 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:30,554 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:30,933 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:31,660 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:31,766 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:33,646 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:14:33,647 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 294 [2020-10-12 21:14:33,647 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 27 [2020-10-12 21:14:33,647 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5006 [2020-10-12 21:14:33,647 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:14:33,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 21:14:33,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 21:14:33,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 68 [2020-10-12 21:14:33,648 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:14:33,903 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-12 21:14:33,904 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:14:33,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:14:33,915 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:33,924 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:14:33,924 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:14:33,924 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:14:33,924 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-12 21:14:33,924 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:14:33,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:14:33,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:14:33,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 21:14:33,925 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:14:33,965 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 21:14:33,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:14:33,968 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:33,971 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:14:33,971 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:14:33,971 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:14:33,971 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 21:14:33,972 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:14:33,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:14:33,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:14:33,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 21:14:33,972 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:14:33,973 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 21:14:33,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:14:33,975 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:33,975 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:14:33,976 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 21:14:33,976 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:14:33,976 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:14:33,976 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:14:33,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:14:33,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:14:33,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 21:14:33,977 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:14:34,010 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-12 21:14:34,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:14:34,015 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:34,021 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:14:34,021 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-12 21:14:34,022 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:14:34,022 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 21:14:34,022 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:14:34,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:14:34,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:14:34,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-12 21:14:34,023 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:14:34,098 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-12 21:14:34,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:14:34,105 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:34,119 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:14:34,119 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-10-12 21:14:34,119 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:14:34,120 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-12 21:14:34,120 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:14:34,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:14:34,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 21:14:34,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 34 [2020-10-12 21:14:34,120 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:14:34,145 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2020-10-12 21:14:34,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:14:34,160 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:34,168 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:34,219 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:14:34,219 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 162 [2020-10-12 21:14:34,219 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 21:14:34,219 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 65 [2020-10-12 21:14:34,219 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:14:34,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 21:14:34,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:14:34,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 21:14:34,220 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:14:34,244 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:14:34,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:14:34,246 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:34,249 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:14:34,249 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:14:34,249 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:14:34,249 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:14:34,250 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:14:34,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:14:34,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:14:34,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 21:14:34,250 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:14:34,284 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 21:14:34,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:14:34,286 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:34,286 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:14:34,287 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:14:34,287 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:14:34,287 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:14:34,287 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:14:34,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:14:34,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:14:34,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:14:34,288 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:14:34,288 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-12 21:14:34,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:14:34,289 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:34,290 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:14:34,290 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:14:34,290 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:14:34,290 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:14:34,291 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:14:34,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:14:34,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:14:34,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:14:34,291 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:14:34,292 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-12 21:14:34,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:14:34,293 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:34,294 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:14:34,294 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:14:34,295 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:14:34,295 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:14:34,295 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:14:34,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:14:34,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:14:34,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:14:34,296 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:14:34,297 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-12 21:14:34,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:14:34,298 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:34,298 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:14:34,298 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:14:34,298 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:14:34,299 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:14:34,299 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:14:34,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:14:34,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:14:34,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:14:34,299 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:14:34,300 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-12 21:14:34,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:14:34,301 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:34,302 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:14:34,302 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:14:34,302 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:14:34,302 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:14:34,302 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:14:34,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:14:34,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:14:34,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:14:34,303 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:14:34,304 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-12 21:14:34,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:14:34,305 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:34,305 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:14:34,305 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:14:34,306 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:14:34,306 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:14:34,306 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:14:34,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:14:34,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:14:34,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:14:34,306 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:14:34,307 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-12 21:14:34,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:14:34,308 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:34,309 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:14:34,309 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:14:34,309 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:14:34,309 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:14:34,310 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:14:34,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:14:34,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:14:34,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:14:34,310 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:14:34,311 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-12 21:14:34,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:14:34,313 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:34,314 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:14:34,314 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:14:34,314 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:14:34,314 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:14:34,314 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:14:34,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:14:34,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:14:34,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:14:34,315 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:14:34,316 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-12 21:14:34,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:14:34,317 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:34,318 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:14:34,318 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:14:34,318 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:14:34,318 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:14:34,319 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:14:34,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:14:34,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:14:34,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:14:34,319 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:14:34,320 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-12 21:14:34,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:14:34,321 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:34,321 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:14:34,321 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:14:34,322 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:14:34,322 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:14:34,322 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:14:34,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:14:34,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:14:34,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:14:34,322 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:14:34,323 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-12 21:14:34,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:14:34,324 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:34,325 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:14:34,325 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:14:34,325 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:14:34,325 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:14:34,325 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:14:34,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:14:34,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:14:34,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:14:34,326 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:14:34,326 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-12 21:14:34,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:14:34,327 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:34,328 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:14:34,328 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:14:34,328 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:14:34,328 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:14:34,329 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:14:34,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:14:34,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:14:34,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:14:34,329 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:14:34,330 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-12 21:14:34,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:14:34,331 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:34,331 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:14:34,331 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:14:34,331 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:14:34,331 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:14:34,332 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:14:34,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:14:34,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:14:34,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:14:34,332 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:14:34,338 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2020-10-12 21:14:34,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:14:34,343 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:34,348 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:14:34,348 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-10-12 21:14:34,348 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:14:34,348 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 21:14:34,348 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:14:34,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:14:34,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 31 [2020-10-12 21:14:34,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:14:34,349 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:14:34,352 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-12 21:14:34,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:14:34,354 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:34,354 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:14:34,355 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:14:34,355 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:14:34,355 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:14:34,355 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:14:34,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:14:34,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 21:14:34,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:14:34,356 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:14:34,435 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-12 21:14:34,435 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1403298878] [2020-10-12 21:14:34,435 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 21:14:34,435 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-10-12 21:14:34,436 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1148868565] [2020-10-12 21:14:34,436 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-12 21:14:34,436 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 21:14:34,437 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-12 21:14:34,437 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2020-10-12 21:14:34,437 INFO L87 Difference]: Start difference. First operand 681 states and 934 transitions. Second operand 14 states. [2020-10-12 21:14:34,710 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-12 21:14:34,850 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2020-10-12 21:14:35,054 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2020-10-12 21:14:36,424 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-10-12 21:14:36,729 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2020-10-12 21:14:37,018 WARN L193 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-12 21:14:37,301 WARN L193 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-12 21:14:37,582 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2020-10-12 21:14:42,403 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-12 21:14:43,007 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-10-12 21:14:43,293 WARN L193 SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2020-10-12 21:14:43,574 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-12 21:14:43,842 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-12 21:14:43,977 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-12 21:14:44,189 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2020-10-12 21:14:50,253 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 21:14:50,253 INFO L93 Difference]: Finished difference Result 2145 states and 3195 transitions. [2020-10-12 21:14:50,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2020-10-12 21:14:50,254 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 240 [2020-10-12 21:14:50,255 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 21:14:50,264 INFO L225 Difference]: With dead ends: 2145 [2020-10-12 21:14:50,265 INFO L226 Difference]: Without dead ends: 1495 [2020-10-12 21:14:50,269 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 257 ImplicationChecksByTransitivity, 4.0s TimeCoverageRelationStatistics Valid=302, Invalid=888, Unknown=0, NotChecked=0, Total=1190 [2020-10-12 21:14:50,271 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1495 states. [2020-10-12 21:14:50,456 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1495 to 862. [2020-10-12 21:14:50,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 862 states. [2020-10-12 21:14:50,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 862 states to 862 states and 1149 transitions. [2020-10-12 21:14:50,460 INFO L78 Accepts]: Start accepts. Automaton has 862 states and 1149 transitions. Word has length 240 [2020-10-12 21:14:50,461 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 21:14:50,461 INFO L479 AbstractCegarLoop]: Abstraction has 862 states and 1149 transitions. [2020-10-12 21:14:50,461 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-12 21:14:50,461 INFO L276 IsEmpty]: Start isEmpty. Operand 862 states and 1149 transitions. [2020-10-12 21:14:50,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2020-10-12 21:14:50,463 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 21:14:50,463 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 21:14:50,464 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-12 21:14:50,464 INFO L427 AbstractCegarLoop]: === Iteration 7 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 21:14:50,464 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 21:14:50,464 INFO L82 PathProgramCache]: Analyzing trace with hash -918757796, now seen corresponding path program 1 times [2020-10-12 21:14:50,464 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 21:14:50,465 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1064852903] [2020-10-12 21:14:50,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 21:14:50,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:14:50,519 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:50,555 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:50,628 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:50,677 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:50,838 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:50,864 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:50,895 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:50,922 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:50,945 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:50,971 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:51,000 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:51,019 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:51,039 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:51,059 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:51,084 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:51,102 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:51,127 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:51,159 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:51,183 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:51,206 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:51,229 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:52,583 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:52,956 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:53,412 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:53,443 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:54,003 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:54,106 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:55,514 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:14:55,514 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 294 [2020-10-12 21:14:55,514 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 27 [2020-10-12 21:14:55,514 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5014 [2020-10-12 21:14:55,514 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:14:55,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 21:14:55,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 21:14:55,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 62 [2020-10-12 21:14:55,515 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:14:55,776 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-12 21:14:55,777 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:14:55,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:14:55,788 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:55,801 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:14:55,801 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:14:55,801 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:14:55,801 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-12 21:14:55,802 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:14:55,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:14:55,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:14:55,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 21:14:55,802 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:14:55,836 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 21:14:55,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:14:55,840 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:55,843 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:14:55,843 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:14:55,843 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:14:55,844 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 21:14:55,844 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:14:55,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:14:55,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:14:55,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 21:14:55,844 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:14:55,846 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 21:14:55,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:14:55,847 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:55,847 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:14:55,848 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 21:14:55,848 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:14:55,848 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:14:55,848 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:14:55,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:14:55,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:14:55,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 21:14:55,848 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:14:55,881 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-12 21:14:55,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:14:55,886 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:55,890 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:14:55,890 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-12 21:14:55,891 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:14:55,891 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 21:14:55,891 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:14:55,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:14:55,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:14:55,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-12 21:14:55,892 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:14:55,960 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-12 21:14:55,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:14:55,967 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:55,984 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:14:55,985 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-10-12 21:14:55,985 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:14:55,985 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-12 21:14:55,985 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:14:55,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:14:55,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 21:14:55,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 34 [2020-10-12 21:14:55,986 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:14:56,018 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2020-10-12 21:14:56,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:14:56,033 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:56,045 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:56,110 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:14:56,111 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 162 [2020-10-12 21:14:56,111 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 21:14:56,111 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 82 [2020-10-12 21:14:56,111 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:14:56,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 21:14:56,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 118 [2020-10-12 21:14:56,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 21:14:56,111 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:14:56,155 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:14:56,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:14:56,157 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:56,157 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:14:56,157 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:14:56,158 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:14:56,158 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:14:56,158 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:14:56,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:14:56,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:14:56,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:14:56,158 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:14:56,159 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 21:14:56,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:14:56,160 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:56,161 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:14:56,161 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:14:56,161 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:14:56,161 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:14:56,162 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:14:56,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:14:56,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:14:56,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:14:56,162 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:14:56,163 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-12 21:14:56,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:14:56,164 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:56,165 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:14:56,165 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:14:56,165 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:14:56,165 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:14:56,165 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:14:56,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:14:56,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:14:56,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:14:56,166 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:14:56,167 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-12 21:14:56,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:14:56,168 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:56,169 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:14:56,169 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:14:56,169 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:14:56,169 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:14:56,169 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:14:56,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:14:56,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:14:56,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:14:56,170 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:14:56,170 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-12 21:14:56,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:14:56,171 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:56,172 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:14:56,172 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:14:56,172 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:14:56,172 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:14:56,172 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:14:56,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:14:56,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:14:56,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:14:56,173 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:14:56,173 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-12 21:14:56,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:14:56,174 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:56,175 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:14:56,175 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:14:56,175 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:14:56,175 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:14:56,175 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:14:56,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:14:56,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:14:56,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:14:56,176 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:14:56,176 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-12 21:14:56,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:14:56,177 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:56,178 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:14:56,178 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:14:56,178 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:14:56,178 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:14:56,178 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:14:56,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:14:56,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:14:56,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:14:56,179 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:14:56,179 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-12 21:14:56,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:14:56,180 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:56,181 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:14:56,181 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:14:56,181 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:14:56,181 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:14:56,181 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:14:56,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:14:56,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:14:56,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:14:56,182 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:14:56,182 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-12 21:14:56,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:14:56,183 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:56,183 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:14:56,184 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:14:56,184 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:14:56,184 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:14:56,184 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:14:56,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:14:56,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:14:56,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:14:56,184 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:14:56,185 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-12 21:14:56,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:14:56,186 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:56,187 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:14:56,187 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:14:56,187 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:14:56,187 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:14:56,188 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:14:56,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:14:56,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:14:56,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:14:56,188 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:14:56,189 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-12 21:14:56,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:14:56,191 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:56,193 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:14:56,193 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:14:56,193 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:14:56,193 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:14:56,193 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:14:56,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:14:56,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:14:56,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 21:14:56,194 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:14:56,221 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-12 21:14:56,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:14:56,223 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:56,224 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:14:56,224 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:14:56,224 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:14:56,224 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:14:56,224 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:14:56,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:14:56,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:14:56,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:14:56,225 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:14:56,226 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-12 21:14:56,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:14:56,227 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:56,228 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:14:56,228 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:14:56,228 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:14:56,228 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:14:56,228 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:14:56,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:14:56,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:14:56,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:14:56,229 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:14:56,229 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-12 21:14:56,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:14:56,231 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:56,231 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:14:56,232 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:14:56,232 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:14:56,232 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:14:56,232 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:14:56,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:14:56,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:14:56,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:14:56,232 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:14:56,241 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2020-10-12 21:14:56,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:14:56,248 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:56,253 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:14:56,253 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-10-12 21:14:56,253 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:14:56,253 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 21:14:56,254 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:14:56,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:14:56,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 31 [2020-10-12 21:14:56,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:14:56,254 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:14:56,257 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-12 21:14:56,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:14:56,258 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:56,259 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:14:56,259 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:14:56,259 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:14:56,259 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:14:56,259 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:14:56,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:14:56,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 21:14:56,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:14:56,260 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:14:56,306 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-12 21:14:56,306 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1064852903] [2020-10-12 21:14:56,306 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 21:14:56,306 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-10-12 21:14:56,307 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [847414132] [2020-10-12 21:14:56,307 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-12 21:14:56,308 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 21:14:56,308 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-12 21:14:56,308 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2020-10-12 21:14:56,308 INFO L87 Difference]: Start difference. First operand 862 states and 1149 transitions. Second operand 14 states. [2020-10-12 21:14:56,579 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-10-12 21:14:56,720 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2020-10-12 21:14:56,923 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2020-10-12 21:14:59,357 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2020-10-12 21:14:59,632 WARN L193 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2020-10-12 21:14:59,789 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 131 [2020-10-12 21:15:00,070 WARN L193 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2020-10-12 21:15:00,213 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 132 [2020-10-12 21:15:00,516 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 216 [2020-10-12 21:15:03,197 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-12 21:15:04,268 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2020-10-12 21:15:04,437 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2020-10-12 21:15:06,373 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-12 21:15:06,678 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-12 21:15:06,964 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-12 21:15:07,251 WARN L193 SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2020-10-12 21:15:07,403 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-12 21:15:07,684 WARN L193 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-12 21:15:07,825 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2020-10-12 21:15:08,101 WARN L193 SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-10-12 21:15:08,257 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2020-10-12 21:15:08,549 WARN L193 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-12 21:15:08,699 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-12 21:15:08,989 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-10-12 21:15:19,325 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 21:15:19,326 INFO L93 Difference]: Finished difference Result 3679 states and 5328 transitions. [2020-10-12 21:15:19,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2020-10-12 21:15:19,327 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 240 [2020-10-12 21:15:19,327 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 21:15:19,340 INFO L225 Difference]: With dead ends: 3679 [2020-10-12 21:15:19,340 INFO L226 Difference]: Without dead ends: 2848 [2020-10-12 21:15:19,346 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 502 ImplicationChecksByTransitivity, 6.0s TimeCoverageRelationStatistics Valid=457, Invalid=1523, Unknown=0, NotChecked=0, Total=1980 [2020-10-12 21:15:19,350 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2848 states. [2020-10-12 21:15:19,828 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2848 to 1963. [2020-10-12 21:15:19,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1963 states. [2020-10-12 21:15:19,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1963 states to 1963 states and 2593 transitions. [2020-10-12 21:15:19,837 INFO L78 Accepts]: Start accepts. Automaton has 1963 states and 2593 transitions. Word has length 240 [2020-10-12 21:15:19,837 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 21:15:19,837 INFO L479 AbstractCegarLoop]: Abstraction has 1963 states and 2593 transitions. [2020-10-12 21:15:19,837 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-12 21:15:19,838 INFO L276 IsEmpty]: Start isEmpty. Operand 1963 states and 2593 transitions. [2020-10-12 21:15:19,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2020-10-12 21:15:19,844 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 21:15:19,844 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 21:15:19,844 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-12 21:15:19,844 INFO L427 AbstractCegarLoop]: === Iteration 8 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 21:15:19,845 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 21:15:19,845 INFO L82 PathProgramCache]: Analyzing trace with hash -871552240, now seen corresponding path program 1 times [2020-10-12 21:15:19,845 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 21:15:19,845 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [930218437] [2020-10-12 21:15:19,845 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 21:15:19,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:15:19,886 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:15:19,911 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:15:19,974 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:15:20,029 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:15:20,092 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:15:20,117 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:15:21,047 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:15:21,154 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:15:21,225 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:15:21,261 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:15:21,313 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:15:21,365 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:15:21,394 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:15:21,424 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:15:21,452 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:15:21,480 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:15:21,508 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:15:21,539 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:15:21,572 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:15:21,626 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:15:21,654 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:15:22,626 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:15:22,747 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:15:24,878 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:15:24,879 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 294 [2020-10-12 21:15:24,879 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 23 [2020-10-12 21:15:24,879 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5005 [2020-10-12 21:15:24,879 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:15:24,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 21:15:24,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 21:15:24,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 69 [2020-10-12 21:15:24,880 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:15:25,165 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-12 21:15:25,166 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:15:25,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:15:25,179 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:15:25,189 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:15:25,189 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:15:25,189 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:15:25,189 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-12 21:15:25,189 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:15:25,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:15:25,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:15:25,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 21:15:25,190 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:15:25,230 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 21:15:25,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:15:25,234 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:15:25,238 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:15:25,239 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:15:25,239 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:15:25,239 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 21:15:25,239 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:15:25,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:15:25,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:15:25,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 21:15:25,240 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:15:25,242 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 21:15:25,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:15:25,243 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:15:25,244 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:15:25,244 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 21:15:25,245 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:15:25,245 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:15:25,245 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:15:25,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:15:25,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:15:25,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 21:15:25,246 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:15:25,287 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-12 21:15:25,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:15:25,292 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:15:25,296 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:15:25,296 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-12 21:15:25,297 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:15:25,297 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 21:15:25,297 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:15:25,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:15:25,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:15:25,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-12 21:15:25,297 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:15:25,369 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-12 21:15:25,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:15:25,376 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:15:25,390 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:15:25,390 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-10-12 21:15:25,390 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:15:25,390 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-12 21:15:25,390 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:15:25,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:15:25,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 21:15:25,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 34 [2020-10-12 21:15:25,391 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:15:25,428 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2020-10-12 21:15:25,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:15:25,441 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:15:25,449 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:15:25,457 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:15:25,699 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:15:25,699 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 162 [2020-10-12 21:15:25,699 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 21:15:25,699 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 262 [2020-10-12 21:15:25,700 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:15:25,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 21:15:25,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 74 [2020-10-12 21:15:25,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 21:15:25,700 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:15:25,792 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:15:25,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:15:25,795 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:15:25,795 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:15:25,795 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:15:25,796 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:15:25,796 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:15:25,796 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:15:25,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:15:25,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:15:25,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:15:25,796 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:15:25,797 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 21:15:25,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:15:25,798 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:15:25,798 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:15:25,798 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:15:25,798 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:15:25,798 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:15:25,799 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:15:25,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:15:25,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:15:25,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:15:25,799 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:15:25,800 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-12 21:15:25,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:15:25,800 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:15:25,801 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:15:25,801 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:15:25,801 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:15:25,801 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:15:25,801 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:15:25,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:15:25,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:15:25,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:15:25,802 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:15:25,802 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-12 21:15:25,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:15:25,803 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:15:25,804 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:15:25,804 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:15:25,804 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:15:25,804 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:15:25,804 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:15:25,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:15:25,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:15:25,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:15:25,805 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:15:25,805 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-12 21:15:25,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:15:25,806 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:15:25,806 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:15:25,806 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:15:25,806 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:15:25,807 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:15:25,807 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:15:25,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:15:25,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:15:25,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:15:25,807 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:15:25,808 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-12 21:15:25,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:15:25,808 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:15:25,809 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:15:25,809 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:15:25,809 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:15:25,809 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:15:25,809 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:15:25,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:15:25,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:15:25,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:15:25,810 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:15:25,810 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-12 21:15:25,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:15:25,812 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:15:25,814 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:15:25,814 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:15:25,814 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:15:25,814 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:15:25,814 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:15:25,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:15:25,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:15:25,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 21:15:25,815 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:15:25,841 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-12 21:15:25,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:15:25,843 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:15:25,844 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:15:25,844 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:15:25,844 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:15:25,844 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:15:25,845 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:15:25,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:15:25,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:15:25,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:15:25,845 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:15:25,846 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-12 21:15:25,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:15:25,847 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:15:25,848 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:15:25,848 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:15:25,848 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:15:25,848 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:15:25,848 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:15:25,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:15:25,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:15:25,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:15:25,849 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:15:25,849 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-12 21:15:25,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:15:25,850 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:15:25,851 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:15:25,851 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:15:25,851 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:15:25,851 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:15:25,851 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:15:25,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:15:25,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:15:25,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:15:25,852 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:15:25,852 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-12 21:15:25,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:15:25,853 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:15:25,854 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:15:25,854 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:15:25,854 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:15:25,854 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:15:25,854 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:15:25,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:15:25,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:15:25,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:15:25,855 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:15:25,856 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-12 21:15:25,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:15:25,857 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:15:25,858 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:15:25,858 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:15:25,858 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:15:25,858 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:15:25,858 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:15:25,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:15:25,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:15:25,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:15:25,859 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:15:25,860 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-12 21:15:25,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:15:25,861 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:15:25,861 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:15:25,862 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:15:25,862 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:15:25,862 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:15:25,862 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:15:25,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:15:25,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:15:25,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:15:25,862 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:15:25,863 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-12 21:15:25,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:15:25,864 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:15:25,865 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:15:25,865 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:15:25,865 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:15:25,865 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:15:25,865 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:15:25,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:15:25,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:15:25,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:15:25,866 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:15:25,872 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2020-10-12 21:15:25,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:15:25,875 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:15:25,878 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:15:25,879 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-10-12 21:15:25,879 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:15:25,879 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 21:15:25,879 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:15:25,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:15:25,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 31 [2020-10-12 21:15:25,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:15:25,879 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:15:25,883 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-12 21:15:25,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:15:25,884 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:15:25,885 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:15:25,885 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:15:25,886 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:15:25,886 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:15:25,886 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:15:25,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:15:25,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 21:15:25,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:15:25,886 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:15:25,938 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-12 21:15:25,938 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [930218437] [2020-10-12 21:15:25,938 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 21:15:25,938 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-10-12 21:15:25,938 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1800111520] [2020-10-12 21:15:25,939 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-12 21:15:25,939 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 21:15:25,939 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-12 21:15:25,939 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2020-10-12 21:15:25,939 INFO L87 Difference]: Start difference. First operand 1963 states and 2593 transitions. Second operand 14 states. [2020-10-12 21:15:26,236 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-10-12 21:15:26,388 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2020-10-12 21:15:26,611 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2020-10-12 21:15:28,593 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2020-10-12 21:15:28,890 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2020-10-12 21:15:29,197 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 216 [2020-10-12 21:15:29,363 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 132 [2020-10-12 21:15:29,664 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 218 [2020-10-12 21:15:29,819 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2020-10-12 21:15:32,802 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-12 21:15:34,060 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-12 21:15:34,928 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-12 21:15:35,221 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2020-10-12 21:15:35,579 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-10-12 21:15:35,737 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-12 21:15:36,037 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 216 [2020-10-12 21:15:36,184 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 132 [2020-10-12 21:15:46,199 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 21:15:46,199 INFO L93 Difference]: Finished difference Result 7501 states and 10745 transitions. [2020-10-12 21:15:46,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2020-10-12 21:15:46,200 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 240 [2020-10-12 21:15:46,200 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 21:15:46,230 INFO L225 Difference]: With dead ends: 7501 [2020-10-12 21:15:46,230 INFO L226 Difference]: Without dead ends: 5569 [2020-10-12 21:15:46,240 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 310 ImplicationChecksByTransitivity, 4.8s TimeCoverageRelationStatistics Valid=341, Invalid=991, Unknown=0, NotChecked=0, Total=1332 [2020-10-12 21:15:46,247 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5569 states. [2020-10-12 21:15:47,254 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5569 to 3789. [2020-10-12 21:15:47,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3789 states. [2020-10-12 21:15:47,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3789 states to 3789 states and 5025 transitions. [2020-10-12 21:15:47,267 INFO L78 Accepts]: Start accepts. Automaton has 3789 states and 5025 transitions. Word has length 240 [2020-10-12 21:15:47,268 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 21:15:47,268 INFO L479 AbstractCegarLoop]: Abstraction has 3789 states and 5025 transitions. [2020-10-12 21:15:47,268 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-12 21:15:47,269 INFO L276 IsEmpty]: Start isEmpty. Operand 3789 states and 5025 transitions. [2020-10-12 21:15:47,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2020-10-12 21:15:47,271 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 21:15:47,272 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 21:15:47,272 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-12 21:15:47,272 INFO L427 AbstractCegarLoop]: === Iteration 9 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 21:15:47,272 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 21:15:47,272 INFO L82 PathProgramCache]: Analyzing trace with hash 623527507, now seen corresponding path program 1 times [2020-10-12 21:15:47,273 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 21:15:47,273 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1411202534] [2020-10-12 21:15:47,273 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 21:15:47,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:15:47,325 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:15:47,348 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:15:47,406 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:15:47,459 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:15:47,515 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:15:47,702 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:15:47,732 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:15:47,767 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:15:47,802 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:15:47,840 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:15:47,878 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:15:47,916 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:15:47,980 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:15:48,000 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:15:48,016 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:15:48,031 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:15:48,052 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:15:48,462 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:15:49,134 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:15:49,746 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:15:49,851 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:15:52,086 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:15:52,327 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:15:52,327 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 294 [2020-10-12 21:15:52,327 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 22 [2020-10-12 21:15:52,327 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5016 [2020-10-12 21:15:52,328 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:15:52,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 21:15:52,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 21:15:52,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 53 [2020-10-12 21:15:52,328 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:15:52,595 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-12 21:15:52,596 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:15:52,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:15:52,606 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:15:52,617 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:15:52,618 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:15:52,618 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:15:52,618 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-12 21:15:52,618 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:15:52,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:15:52,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:15:52,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 21:15:52,618 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:15:52,662 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 21:15:52,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:15:52,666 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:15:52,668 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:15:52,669 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:15:52,669 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:15:52,669 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 21:15:52,669 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:15:52,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:15:52,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:15:52,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 21:15:52,669 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:15:52,671 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 21:15:52,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:15:52,672 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:15:52,673 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:15:52,673 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 21:15:52,673 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:15:52,673 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:15:52,674 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:15:52,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:15:52,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:15:52,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 21:15:52,674 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:15:52,713 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-12 21:15:52,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:15:52,718 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:15:52,723 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:15:52,723 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-12 21:15:52,724 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:15:52,724 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 21:15:52,724 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:15:52,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:15:52,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:15:52,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-12 21:15:52,724 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:15:52,800 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-12 21:15:52,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:15:52,807 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:15:52,819 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:15:52,819 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-10-12 21:15:52,820 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:15:52,820 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-12 21:15:52,820 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:15:52,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:15:52,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 21:15:52,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 34 [2020-10-12 21:15:52,820 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:15:52,849 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2020-10-12 21:15:52,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:15:52,862 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:15:52,870 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:15:52,892 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:15:53,107 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:15:53,107 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 162 [2020-10-12 21:15:53,107 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 21:15:53,107 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 249 [2020-10-12 21:15:53,107 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:15:53,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 21:15:53,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 129 [2020-10-12 21:15:53,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 21:15:53,108 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:15:53,153 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:15:53,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:15:53,155 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:15:53,156 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:15:53,156 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:15:53,156 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:15:53,157 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:15:53,157 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:15:53,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:15:53,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:15:53,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:15:53,158 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:15:53,158 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 21:15:53,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:15:53,159 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:15:53,160 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:15:53,160 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:15:53,160 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:15:53,161 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:15:53,161 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:15:53,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:15:53,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:15:53,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:15:53,161 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:15:53,162 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-12 21:15:53,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:15:53,163 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:15:53,163 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:15:53,163 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:15:53,163 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:15:53,164 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:15:53,164 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:15:53,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:15:53,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:15:53,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:15:53,164 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:15:53,165 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-12 21:15:53,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:15:53,166 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:15:53,166 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:15:53,167 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:15:53,167 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:15:53,167 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:15:53,167 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:15:53,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:15:53,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:15:53,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:15:53,168 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:15:53,169 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-12 21:15:53,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:15:53,170 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:15:53,171 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:15:53,171 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:15:53,171 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:15:53,171 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:15:53,172 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:15:53,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:15:53,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:15:53,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:15:53,172 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:15:53,173 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-12 21:15:53,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:15:53,174 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:15:53,175 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:15:53,175 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:15:53,175 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:15:53,175 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:15:53,176 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:15:53,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:15:53,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:15:53,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:15:53,176 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:15:53,177 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-12 21:15:53,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:15:53,178 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:15:53,179 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:15:53,179 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:15:53,179 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:15:53,179 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:15:53,180 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:15:53,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:15:53,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:15:53,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:15:53,180 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:15:53,181 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-12 21:15:53,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:15:53,182 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:15:53,183 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:15:53,183 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:15:53,183 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:15:53,184 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:15:53,184 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:15:53,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:15:53,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:15:53,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:15:53,185 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:15:53,185 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-12 21:15:53,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:15:53,186 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:15:53,187 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:15:53,187 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:15:53,187 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:15:53,188 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:15:53,188 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:15:53,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:15:53,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:15:53,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:15:53,188 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:15:53,189 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-12 21:15:53,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:15:53,190 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:15:53,191 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:15:53,191 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:15:53,191 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:15:53,192 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:15:53,192 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:15:53,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:15:53,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:15:53,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:15:53,193 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:15:53,193 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-12 21:15:53,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:15:53,194 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:15:53,195 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:15:53,195 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:15:53,195 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:15:53,196 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:15:53,196 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:15:53,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:15:53,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:15:53,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:15:53,196 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:15:53,197 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-12 21:15:53,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:15:53,199 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:15:53,201 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:15:53,201 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:15:53,202 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:15:53,202 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:15:53,202 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:15:53,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:15:53,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:15:53,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 21:15:53,202 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:15:53,232 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-12 21:15:53,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:15:53,234 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:15:53,236 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:15:53,236 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:15:53,236 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:15:53,236 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:15:53,236 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:15:53,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:15:53,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:15:53,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:15:53,237 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:15:53,238 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-12 21:15:53,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:15:53,239 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:15:53,240 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:15:53,241 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:15:53,241 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:15:53,241 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:15:53,241 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:15:53,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:15:53,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:15:53,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:15:53,242 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:15:53,251 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2020-10-12 21:15:53,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:15:53,261 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:15:53,271 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:15:53,271 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-10-12 21:15:53,271 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:15:53,272 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-12 21:15:53,272 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:15:53,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:15:53,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 31 [2020-10-12 21:15:53,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:15:53,272 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:15:53,277 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-12 21:15:53,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:15:53,279 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:15:53,281 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:15:53,281 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:15:53,281 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:15:53,281 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:15:53,282 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:15:53,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:15:53,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 21:15:53,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:15:53,282 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:15:53,334 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-12 21:15:53,334 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1411202534] [2020-10-12 21:15:53,334 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 21:15:53,335 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-10-12 21:15:53,335 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [578909437] [2020-10-12 21:15:53,335 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-12 21:15:53,335 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 21:15:53,336 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-12 21:15:53,336 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2020-10-12 21:15:53,336 INFO L87 Difference]: Start difference. First operand 3789 states and 5025 transitions. Second operand 14 states. [2020-10-12 21:15:53,628 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-12 21:15:53,772 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2020-10-12 21:15:53,982 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2020-10-12 21:15:56,647 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-12 21:15:56,950 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2020-10-12 21:15:57,244 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-12 21:15:57,398 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2020-10-12 21:15:57,743 WARN L193 SmtUtils]: Spent 324.00 ms on a formula simplification that was a NOOP. DAG size: 216 [2020-10-12 21:15:57,885 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 132 [2020-10-12 21:16:05,630 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 21:16:05,631 INFO L93 Difference]: Finished difference Result 9162 states and 12798 transitions. [2020-10-12 21:16:05,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-12 21:16:05,632 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 240 [2020-10-12 21:16:05,632 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 21:16:05,653 INFO L225 Difference]: With dead ends: 9162 [2020-10-12 21:16:05,653 INFO L226 Difference]: Without dead ends: 5404 [2020-10-12 21:16:05,664 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 77 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=157, Invalid=443, Unknown=0, NotChecked=0, Total=600 [2020-10-12 21:16:05,670 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5404 states. [2020-10-12 21:16:06,350 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5404 to 3824. [2020-10-12 21:16:06,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3824 states. [2020-10-12 21:16:06,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3824 states to 3824 states and 5042 transitions. [2020-10-12 21:16:06,359 INFO L78 Accepts]: Start accepts. Automaton has 3824 states and 5042 transitions. Word has length 240 [2020-10-12 21:16:06,359 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 21:16:06,360 INFO L479 AbstractCegarLoop]: Abstraction has 3824 states and 5042 transitions. [2020-10-12 21:16:06,360 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-12 21:16:06,360 INFO L276 IsEmpty]: Start isEmpty. Operand 3824 states and 5042 transitions. [2020-10-12 21:16:06,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2020-10-12 21:16:06,361 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 21:16:06,361 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 21:16:06,361 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-12 21:16:06,361 INFO L427 AbstractCegarLoop]: === Iteration 10 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 21:16:06,362 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 21:16:06,362 INFO L82 PathProgramCache]: Analyzing trace with hash -1430480295, now seen corresponding path program 1 times [2020-10-12 21:16:06,362 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 21:16:06,362 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [76789184] [2020-10-12 21:16:06,362 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 21:16:06,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:16:06,396 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:16:06,418 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:16:06,483 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:16:06,533 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:16:06,587 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:16:06,775 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:16:06,810 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:16:06,854 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:16:06,905 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:16:06,956 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:16:07,007 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:16:07,058 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:16:07,102 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:16:07,146 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:16:07,192 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:16:07,250 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:16:08,119 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:16:09,375 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:16:09,903 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:16:10,024 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:16:11,479 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:16:11,479 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 294 [2020-10-12 21:16:11,479 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 20 [2020-10-12 21:16:11,479 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5095 [2020-10-12 21:16:11,480 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:16:11,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 21:16:11,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 21:16:11,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 61 [2020-10-12 21:16:11,480 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:16:11,752 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-12 21:16:11,753 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:16:11,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:16:11,762 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:16:11,772 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:16:11,772 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:16:11,772 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:16:11,773 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-12 21:16:11,773 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:16:11,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:16:11,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:16:11,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 21:16:11,773 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:16:11,817 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 21:16:11,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:16:11,820 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:16:11,823 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:16:11,823 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:16:11,823 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:16:11,823 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 21:16:11,823 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:16:11,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:16:11,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:16:11,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 21:16:11,824 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:16:11,825 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 21:16:11,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:16:11,826 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:16:11,826 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:16:11,826 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 21:16:11,827 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:16:11,827 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:16:11,827 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:16:11,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:16:11,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:16:11,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 21:16:11,827 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:16:11,862 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-12 21:16:11,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:16:11,870 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:16:11,875 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:16:11,875 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-12 21:16:11,875 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:16:11,875 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 21:16:11,875 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:16:11,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:16:11,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:16:11,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-12 21:16:11,876 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:16:11,951 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-12 21:16:11,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:16:11,957 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:16:11,974 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:16:11,974 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-10-12 21:16:11,974 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:16:11,974 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-12 21:16:11,974 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:16:11,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:16:11,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 21:16:11,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 34 [2020-10-12 21:16:11,975 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:16:12,011 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2020-10-12 21:16:12,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:16:12,024 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:16:12,031 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:16:12,081 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:16:12,082 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 162 [2020-10-12 21:16:12,082 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 21:16:12,082 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 63 [2020-10-12 21:16:12,082 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:16:12,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 21:16:12,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 52 [2020-10-12 21:16:12,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 21:16:12,082 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:16:12,127 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:16:12,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:16:12,128 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:16:12,129 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:16:12,130 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:16:12,130 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:16:12,130 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:16:12,130 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:16:12,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:16:12,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:16:12,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:16:12,131 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:16:12,131 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 21:16:12,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:16:12,132 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:16:12,133 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:16:12,133 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:16:12,133 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:16:12,133 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:16:12,133 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:16:12,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:16:12,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:16:12,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:16:12,134 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:16:12,134 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-12 21:16:12,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:16:12,135 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:16:12,136 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:16:12,136 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:16:12,136 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:16:12,136 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:16:12,136 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:16:12,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:16:12,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:16:12,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:16:12,137 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:16:12,137 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-12 21:16:12,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:16:12,138 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:16:12,139 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:16:12,139 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:16:12,140 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:16:12,140 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:16:12,140 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:16:12,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:16:12,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:16:12,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:16:12,141 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:16:12,141 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-12 21:16:12,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:16:12,143 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:16:12,145 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:16:12,146 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:16:12,146 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:16:12,146 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:16:12,146 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:16:12,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:16:12,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:16:12,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 21:16:12,147 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:16:12,181 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-12 21:16:12,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:16:12,183 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:16:12,184 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:16:12,184 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:16:12,184 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:16:12,184 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:16:12,184 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:16:12,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:16:12,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:16:12,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:16:12,185 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:16:12,185 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-12 21:16:12,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:16:12,186 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:16:12,187 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:16:12,187 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:16:12,187 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:16:12,187 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:16:12,188 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:16:12,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:16:12,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:16:12,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:16:12,188 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:16:12,189 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-12 21:16:12,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:16:12,190 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:16:12,191 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:16:12,191 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:16:12,191 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:16:12,191 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:16:12,191 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:16:12,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:16:12,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:16:12,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:16:12,192 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:16:12,192 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-12 21:16:12,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:16:12,193 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:16:12,194 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:16:12,194 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:16:12,194 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:16:12,194 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:16:12,194 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:16:12,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:16:12,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:16:12,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:16:12,195 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:16:12,196 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-12 21:16:12,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:16:12,197 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:16:12,198 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:16:12,198 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:16:12,198 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:16:12,198 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:16:12,199 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:16:12,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:16:12,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:16:12,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:16:12,199 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:16:12,200 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-12 21:16:12,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:16:12,201 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:16:12,201 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:16:12,201 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:16:12,202 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:16:12,202 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:16:12,202 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:16:12,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:16:12,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:16:12,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:16:12,202 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:16:12,203 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-12 21:16:12,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:16:12,204 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:16:12,204 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:16:12,204 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:16:12,205 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:16:12,205 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:16:12,205 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:16:12,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:16:12,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:16:12,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:16:12,205 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:16:12,206 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-12 21:16:12,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:16:12,207 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:16:12,207 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:16:12,207 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:16:12,208 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:16:12,208 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:16:12,208 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:16:12,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:16:12,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:16:12,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:16:12,208 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:16:12,209 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-12 21:16:12,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:16:12,210 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:16:12,210 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:16:12,210 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:16:12,210 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:16:12,211 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:16:12,211 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:16:12,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:16:12,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:16:12,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:16:12,211 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:16:12,217 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2020-10-12 21:16:12,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:16:12,221 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:16:12,225 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:16:12,225 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-10-12 21:16:12,225 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:16:12,225 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 21:16:12,226 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:16:12,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:16:12,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 31 [2020-10-12 21:16:12,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:16:12,226 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:16:12,229 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-12 21:16:12,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:16:12,230 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:16:12,230 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:16:12,231 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:16:12,231 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:16:12,231 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:16:12,231 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:16:12,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:16:12,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 21:16:12,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:16:12,231 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:16:12,282 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-12 21:16:12,282 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [76789184] [2020-10-12 21:16:12,282 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 21:16:12,283 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-10-12 21:16:12,283 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [115399086] [2020-10-12 21:16:12,283 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-12 21:16:12,283 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 21:16:12,284 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-12 21:16:12,284 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2020-10-12 21:16:12,284 INFO L87 Difference]: Start difference. First operand 3824 states and 5042 transitions. Second operand 14 states. [2020-10-12 21:16:12,579 WARN L193 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-12 21:16:12,726 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2020-10-12 21:16:12,926 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2020-10-12 21:16:14,755 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-12 21:16:15,046 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2020-10-12 21:16:15,205 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2020-10-12 21:16:15,501 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-12 21:16:15,645 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-12 21:16:15,920 WARN L193 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-10-12 21:16:19,219 WARN L193 SmtUtils]: Spent 325.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-12 21:16:20,548 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-12 21:16:21,225 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-12 21:16:21,524 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2020-10-12 21:16:21,694 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2020-10-12 21:16:21,977 WARN L193 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-12 21:16:22,156 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-12 21:16:22,446 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 214