/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/token_ring.06.cil-2.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-12 21:04:32,516 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-12 21:04:32,519 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-12 21:04:32,543 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-12 21:04:32,543 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-12 21:04:32,544 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-12 21:04:32,545 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-12 21:04:32,547 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-12 21:04:32,549 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-12 21:04:32,549 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-12 21:04:32,550 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-12 21:04:32,551 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-12 21:04:32,552 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-12 21:04:32,553 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-12 21:04:32,554 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-12 21:04:32,555 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-12 21:04:32,555 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-12 21:04:32,556 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-12 21:04:32,558 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-12 21:04:32,559 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-12 21:04:32,561 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-12 21:04:32,562 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-12 21:04:32,563 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-12 21:04:32,564 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-12 21:04:32,566 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-12 21:04:32,566 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-12 21:04:32,567 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-12 21:04:32,568 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-12 21:04:32,568 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-12 21:04:32,569 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-12 21:04:32,569 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-12 21:04:32,570 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-12 21:04:32,570 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-12 21:04:32,571 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-12 21:04:32,572 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-12 21:04:32,572 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-12 21:04:32,573 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-12 21:04:32,573 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-12 21:04:32,573 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-12 21:04:32,574 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-12 21:04:32,575 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-12 21:04:32,576 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 21:04:32,598 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-12 21:04:32,598 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-12 21:04:32,599 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-12 21:04:32,600 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-12 21:04:32,600 INFO L138 SettingsManager]: * Use SBE=true [2020-10-12 21:04:32,600 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-12 21:04:32,600 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-12 21:04:32,601 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-12 21:04:32,601 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-12 21:04:32,601 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-12 21:04:32,601 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-12 21:04:32,601 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-12 21:04:32,602 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-12 21:04:32,602 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-12 21:04:32,602 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-12 21:04:32,602 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-12 21:04:32,602 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-12 21:04:32,602 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-12 21:04:32,603 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-12 21:04:32,603 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-12 21:04:32,603 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-12 21:04:32,603 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-12 21:04:32,603 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-12 21:04:32,604 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-12 21:04:32,604 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-12 21:04:32,604 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-12 21:04:32,604 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-12 21:04:32,604 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-12 21:04:32,605 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-12 21:04:32,605 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 21:04:32,912 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-12 21:04:32,931 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-12 21:04:32,936 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-12 21:04:32,938 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-12 21:04:32,940 INFO L275 PluginConnector]: CDTParser initialized [2020-10-12 21:04:32,940 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/systemc/token_ring.06.cil-2.c [2020-10-12 21:04:33,011 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/bf634bc98/44d1d74ef0d74b93b8214386f48b193e/FLAG5cd2c90ca [2020-10-12 21:04:33,527 INFO L306 CDTParser]: Found 1 translation units. [2020-10-12 21:04:33,528 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/systemc/token_ring.06.cil-2.c [2020-10-12 21:04:33,551 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/bf634bc98/44d1d74ef0d74b93b8214386f48b193e/FLAG5cd2c90ca [2020-10-12 21:04:33,900 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/bf634bc98/44d1d74ef0d74b93b8214386f48b193e [2020-10-12 21:04:33,909 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-12 21:04:33,911 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-12 21:04:33,912 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-12 21:04:33,913 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-12 21:04:33,916 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-12 21:04:33,917 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 09:04:33" (1/1) ... [2020-10-12 21:04:33,920 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@74dd283d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 09:04:33, skipping insertion in model container [2020-10-12 21:04:33,920 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 09:04:33" (1/1) ... [2020-10-12 21:04:33,928 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-12 21:04:33,966 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-12 21:04:34,229 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-12 21:04:34,238 INFO L203 MainTranslator]: Completed pre-run [2020-10-12 21:04:34,380 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-12 21:04:34,405 INFO L208 MainTranslator]: Completed translation [2020-10-12 21:04:34,406 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 09:04:34 WrapperNode [2020-10-12 21:04:34,406 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-12 21:04:34,406 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-12 21:04:34,407 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-12 21:04:34,407 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-12 21:04:34,420 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 09:04:34" (1/1) ... [2020-10-12 21:04:34,420 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 09:04:34" (1/1) ... [2020-10-12 21:04:34,431 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 09:04:34" (1/1) ... [2020-10-12 21:04:34,431 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 09:04:34" (1/1) ... [2020-10-12 21:04:34,447 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 09:04:34" (1/1) ... [2020-10-12 21:04:34,466 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 09:04:34" (1/1) ... [2020-10-12 21:04:34,470 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 09:04:34" (1/1) ... [2020-10-12 21:04:34,476 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-12 21:04:34,476 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-12 21:04:34,476 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-12 21:04:34,476 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-12 21:04:34,477 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 09:04:34" (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 21:04:34,544 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-12 21:04:34,544 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-12 21:04:34,544 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2020-10-12 21:04:34,544 INFO L138 BoogieDeclarations]: Found implementation of procedure master [2020-10-12 21:04:34,544 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit1 [2020-10-12 21:04:34,545 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit2 [2020-10-12 21:04:34,545 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit3 [2020-10-12 21:04:34,545 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit4 [2020-10-12 21:04:34,545 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit5 [2020-10-12 21:04:34,545 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit6 [2020-10-12 21:04:34,545 INFO L138 BoogieDeclarations]: Found implementation of procedure is_master_triggered [2020-10-12 21:04:34,545 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit1_triggered [2020-10-12 21:04:34,546 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit2_triggered [2020-10-12 21:04:34,546 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit3_triggered [2020-10-12 21:04:34,546 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit4_triggered [2020-10-12 21:04:34,546 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit5_triggered [2020-10-12 21:04:34,547 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit6_triggered [2020-10-12 21:04:34,547 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels [2020-10-12 21:04:34,547 INFO L138 BoogieDeclarations]: Found implementation of procedure init_threads [2020-10-12 21:04:34,547 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2020-10-12 21:04:34,547 INFO L138 BoogieDeclarations]: Found implementation of procedure eval [2020-10-12 21:04:34,547 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events [2020-10-12 21:04:34,548 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events [2020-10-12 21:04:34,548 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads [2020-10-12 21:04:34,548 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2020-10-12 21:04:34,548 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_time_events [2020-10-12 21:04:34,548 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_time_events [2020-10-12 21:04:34,548 INFO L138 BoogieDeclarations]: Found implementation of procedure init_model [2020-10-12 21:04:34,549 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_simulation [2020-10-12 21:04:34,549 INFO L138 BoogieDeclarations]: Found implementation of procedure start_simulation [2020-10-12 21:04:34,549 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-12 21:04:34,549 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-12 21:04:34,549 INFO L130 BoogieDeclarations]: Found specification of procedure error [2020-10-12 21:04:34,549 INFO L130 BoogieDeclarations]: Found specification of procedure is_master_triggered [2020-10-12 21:04:34,550 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit1_triggered [2020-10-12 21:04:34,550 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit2_triggered [2020-10-12 21:04:34,550 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit3_triggered [2020-10-12 21:04:34,550 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit4_triggered [2020-10-12 21:04:34,550 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit5_triggered [2020-10-12 21:04:34,550 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit6_triggered [2020-10-12 21:04:34,550 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2020-10-12 21:04:34,551 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-12 21:04:34,551 INFO L130 BoogieDeclarations]: Found specification of procedure master [2020-10-12 21:04:34,551 INFO L130 BoogieDeclarations]: Found specification of procedure transmit1 [2020-10-12 21:04:34,551 INFO L130 BoogieDeclarations]: Found specification of procedure transmit2 [2020-10-12 21:04:34,551 INFO L130 BoogieDeclarations]: Found specification of procedure transmit3 [2020-10-12 21:04:34,551 INFO L130 BoogieDeclarations]: Found specification of procedure transmit4 [2020-10-12 21:04:34,551 INFO L130 BoogieDeclarations]: Found specification of procedure transmit5 [2020-10-12 21:04:34,551 INFO L130 BoogieDeclarations]: Found specification of procedure transmit6 [2020-10-12 21:04:34,551 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels [2020-10-12 21:04:34,552 INFO L130 BoogieDeclarations]: Found specification of procedure init_threads [2020-10-12 21:04:34,552 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2020-10-12 21:04:34,552 INFO L130 BoogieDeclarations]: Found specification of procedure eval [2020-10-12 21:04:34,552 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events [2020-10-12 21:04:34,552 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events [2020-10-12 21:04:34,552 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads [2020-10-12 21:04:34,552 INFO L130 BoogieDeclarations]: Found specification of procedure fire_time_events [2020-10-12 21:04:34,553 INFO L130 BoogieDeclarations]: Found specification of procedure reset_time_events [2020-10-12 21:04:34,553 INFO L130 BoogieDeclarations]: Found specification of procedure init_model [2020-10-12 21:04:34,553 INFO L130 BoogieDeclarations]: Found specification of procedure stop_simulation [2020-10-12 21:04:34,553 INFO L130 BoogieDeclarations]: Found specification of procedure start_simulation [2020-10-12 21:04:34,553 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-12 21:04:34,553 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-12 21:04:34,553 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-12 21:04:35,277 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-12 21:04:35,277 INFO L295 CfgBuilder]: Removed 9 assume(true) statements. [2020-10-12 21:04:35,285 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 09:04:35 BoogieIcfgContainer [2020-10-12 21:04:35,285 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-12 21:04:35,286 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-12 21:04:35,286 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-12 21:04:35,289 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-12 21:04:35,290 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.10 09:04:33" (1/3) ... [2020-10-12 21:04:35,291 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3bbe72f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 09:04:35, skipping insertion in model container [2020-10-12 21:04:35,291 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 09:04:34" (2/3) ... [2020-10-12 21:04:35,292 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3bbe72f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 09:04:35, skipping insertion in model container [2020-10-12 21:04:35,292 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 09:04:35" (3/3) ... [2020-10-12 21:04:35,294 INFO L109 eAbstractionObserver]: Analyzing ICFG token_ring.06.cil-2.c [2020-10-12 21:04:35,304 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-12 21:04:35,315 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-12 21:04:35,330 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-12 21:04:35,369 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-12 21:04:35,369 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-12 21:04:35,369 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-12 21:04:35,370 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-12 21:04:35,370 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-12 21:04:35,370 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-12 21:04:35,370 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-12 21:04:35,371 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-12 21:04:35,407 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states. [2020-10-12 21:04:35,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2020-10-12 21:04:35,427 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 21:04:35,429 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] [2020-10-12 21:04:35,429 INFO L427 AbstractCegarLoop]: === Iteration 1 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 21:04:35,433 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 21:04:35,434 INFO L82 PathProgramCache]: Analyzing trace with hash 1758161547, now seen corresponding path program 1 times [2020-10-12 21:04:35,442 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 21:04:35,443 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1580079701] [2020-10-12 21:04:35,443 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 21:04:35,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:04:35,764 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:36,045 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:36,114 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:36,179 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:36,955 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:40,707 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:04:40,707 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 189 [2020-10-12 21:04:40,707 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-12 21:04:40,708 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5007 [2020-10-12 21:04:40,710 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:04:40,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 21:04:40,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 21:04:40,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 39 [2020-10-12 21:04:40,711 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-12 21:04:40,975 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-12 21:04:40,977 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:04:40,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:04:40,990 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:41,011 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:04:41,011 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:04:41,012 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:04:41,012 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-12 21:04:41,012 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:04:41,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:04:41,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:04:41,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 21:04:41,013 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:04:41,056 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 21:04:41,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:04:41,062 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:41,067 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:04:41,067 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:04:41,068 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:04:41,068 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 21:04:41,069 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:04:41,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:04:41,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:04:41,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 21:04:41,070 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:04:41,073 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 21:04:41,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:04:41,076 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:41,078 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:04:41,078 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 21:04:41,079 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:04:41,079 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:04:41,079 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:04:41,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:04:41,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:04:41,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 21:04:41,080 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:04:41,113 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-12 21:04:41,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:04:41,119 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:41,127 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:04:41,127 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-12 21:04:41,128 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:04:41,128 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-12 21:04:41,128 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:04:41,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:04:41,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:04:41,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-12 21:04:41,129 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:04:41,176 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-12 21:04:41,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:04:41,184 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:41,211 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:04:41,211 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-12 21:04:41,212 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:04:41,212 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-10-12 21:04:41,212 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:04:41,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:04:41,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 21:04:41,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-12 21:04:41,213 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:04:41,246 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-12 21:04:41,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:04:41,263 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:41,274 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:41,287 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:41,318 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:42,914 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:04:42,915 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-10-12 21:04:42,915 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-12 21:04:42,915 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1658 [2020-10-12 21:04:42,915 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:04:42,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 21:04:42,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:04:42,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 21:04:42,916 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:04:42,978 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:04:42,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:04:42,981 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:42,986 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:04:42,986 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:04:42,986 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:04:42,986 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 21:04:42,987 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:04:42,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:04:42,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:04:42,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 21:04:42,988 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:04:43,022 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 21:04:43,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:04:43,024 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:43,025 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:04:43,026 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:04:43,026 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:04:43,026 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:04:43,026 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:04:43,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:04:43,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:04:43,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:04:43,027 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:04:43,029 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-12 21:04:43,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:04:43,031 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:43,032 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:04:43,032 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:04:43,033 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:04:43,033 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:04:43,033 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:04:43,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:04:43,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:04:43,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:04:43,034 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:04:43,035 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-12 21:04:43,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:04:43,037 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:43,039 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:04:43,039 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:04:43,039 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:04:43,039 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:04:43,040 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:04:43,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:04:43,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:04:43,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:04:43,040 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:04:43,042 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-12 21:04:43,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:04:43,043 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:43,045 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:04:43,045 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:04:43,045 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:04:43,045 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:04:43,046 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:04:43,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:04:43,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:04:43,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:04:43,047 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:04:43,048 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-12 21:04:43,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:04:43,050 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:43,051 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:04:43,051 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:04:43,052 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:04:43,052 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:04:43,052 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:04:43,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:04:43,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:04:43,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:04:43,053 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:04:43,054 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-12 21:04:43,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:04:43,056 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:43,058 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:04:43,058 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:04:43,058 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:04:43,059 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:04:43,059 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:04:43,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:04:43,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:04:43,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:04:43,060 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:04:43,066 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-12 21:04:43,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:04:43,071 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:43,076 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:04:43,076 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-12 21:04:43,076 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:04:43,077 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 21:04:43,077 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:04:43,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:04:43,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-10-12 21:04:43,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:04:43,078 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:04:43,082 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-10-12 21:04:43,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:04:43,084 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:43,085 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:04:43,085 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:04:43,085 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:04:43,086 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:04:43,086 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:04:43,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:04:43,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 21:04:43,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:04:43,087 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:04:43,121 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 21:04:43,122 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1580079701] [2020-10-12 21:04:43,124 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 21:04:43,124 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-10-12 21:04:43,125 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [295959805] [2020-10-12 21:04:43,130 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-12 21:04:43,131 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 21:04:43,145 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-12 21:04:43,146 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2020-10-12 21:04:43,151 INFO L87 Difference]: Start difference. First operand 294 states. Second operand 14 states. [2020-10-12 21:04:43,351 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2020-10-12 21:04:44,340 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2020-10-12 21:04:44,468 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2020-10-12 21:04:44,615 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-10-12 21:04:44,756 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2020-10-12 21:04:48,889 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 21:04:48,890 INFO L93 Difference]: Finished difference Result 764 states and 1247 transitions. [2020-10-12 21:04:48,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-10-12 21:04:48,892 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 147 [2020-10-12 21:04:48,892 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 21:04:48,914 INFO L225 Difference]: With dead ends: 764 [2020-10-12 21:04:48,914 INFO L226 Difference]: Without dead ends: 482 [2020-10-12 21:04:48,923 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 98 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=176, Invalid=474, Unknown=0, NotChecked=0, Total=650 [2020-10-12 21:04:48,943 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 482 states. [2020-10-12 21:04:49,031 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 482 to 290. [2020-10-12 21:04:49,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 290 states. [2020-10-12 21:04:49,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 290 states and 409 transitions. [2020-10-12 21:04:49,041 INFO L78 Accepts]: Start accepts. Automaton has 290 states and 409 transitions. Word has length 147 [2020-10-12 21:04:49,042 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 21:04:49,043 INFO L479 AbstractCegarLoop]: Abstraction has 290 states and 409 transitions. [2020-10-12 21:04:49,043 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-12 21:04:49,043 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 409 transitions. [2020-10-12 21:04:49,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2020-10-12 21:04:49,049 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 21:04:49,050 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] [2020-10-12 21:04:49,050 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-12 21:04:49,050 INFO L427 AbstractCegarLoop]: === Iteration 2 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 21:04:49,051 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 21:04:49,051 INFO L82 PathProgramCache]: Analyzing trace with hash 1622544777, now seen corresponding path program 1 times [2020-10-12 21:04:49,053 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 21:04:49,054 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [609364972] [2020-10-12 21:04:49,054 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 21:04:49,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:04:49,101 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:49,172 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:49,211 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:49,317 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:50,713 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:50,790 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:50,838 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:50,877 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:50,918 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:51,278 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:51,511 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:51,551 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:51,582 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:51,610 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:51,637 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:51,664 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:51,692 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:51,731 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:52,258 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:54,099 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:04:54,099 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 189 [2020-10-12 21:04:54,100 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 19 [2020-10-12 21:04:54,100 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5011 [2020-10-12 21:04:54,101 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:04:54,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 21:04:54,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 21:04:54,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 96 [2020-10-12 21:04:54,102 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:04:54,279 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-12 21:04:54,280 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:04:54,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:04:54,291 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:54,305 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:04:54,306 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:04:54,306 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:04:54,306 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-12 21:04:54,307 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:04:54,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:04:54,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:04:54,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 21:04:54,308 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:04:54,336 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 21:04:54,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:04:54,340 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:54,342 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:04:54,343 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:04:54,343 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:04:54,343 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 21:04:54,343 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:04:54,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:04:54,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:04:54,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 21:04:54,344 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:04:54,347 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 21:04:54,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:04:54,349 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:54,350 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:04:54,350 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 21:04:54,351 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:04:54,351 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:04:54,351 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:04:54,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:04:54,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:04:54,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 21:04:54,352 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:04:54,379 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-12 21:04:54,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:04:54,384 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:54,388 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:04:54,388 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-12 21:04:54,388 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:04:54,389 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 21:04:54,389 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:04:54,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:04:54,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:04:54,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-12 21:04:54,390 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:04:54,438 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-12 21:04:54,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:04:54,444 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:54,459 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:04:54,460 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-12 21:04:54,460 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:04:54,461 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-12 21:04:54,461 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:04:54,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:04:54,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 21:04:54,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-12 21:04:54,462 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:04:54,480 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-12 21:04:54,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:04:54,497 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:54,506 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:54,515 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:54,923 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:04:54,924 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-10-12 21:04:54,924 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 21:04:54,924 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 433 [2020-10-12 21:04:54,925 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:04:54,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 21:04:54,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 63 [2020-10-12 21:04:54,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 21:04:54,929 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-12 21:04:54,990 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:04:54,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:04:54,992 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:54,993 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:04:54,993 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:04:54,993 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:04:54,994 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:04:54,995 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:04:54,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:04:54,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:04:54,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:04:54,996 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:04:54,998 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 21:04:54,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:04:54,999 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:55,000 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:04:55,000 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:04:55,000 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:04:55,001 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:04:55,001 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:04:55,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:04:55,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:04:55,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:04:55,002 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:04:55,003 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-12 21:04:55,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:04:55,004 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:55,006 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:04:55,006 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:04:55,006 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:04:55,007 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:04:55,007 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:04:55,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:04:55,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:04:55,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:04:55,008 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:04:55,009 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-12 21:04:55,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:04:55,010 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:55,012 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:04:55,012 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:04:55,012 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:04:55,013 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:04:55,013 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:04:55,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:04:55,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:04:55,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:04:55,015 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:04:55,016 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-12 21:04:55,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:04:55,019 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:55,021 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:04:55,021 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:04:55,021 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:04:55,022 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:04:55,022 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:04:55,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:04:55,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:04:55,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:04:55,023 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:04:55,024 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-12 21:04:55,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:04:55,026 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:55,030 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:04:55,030 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:04:55,030 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:04:55,031 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 21:04:55,031 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:04:55,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:04:55,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:04:55,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 21:04:55,032 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:04:55,062 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-12 21:04:55,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:04:55,065 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:55,066 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:04:55,067 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:04:55,067 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:04:55,067 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:04:55,068 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:04:55,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:04:55,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:04:55,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:04:55,069 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:04:55,076 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-12 21:04:55,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:04:55,082 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:55,087 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:04:55,087 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-12 21:04:55,087 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:04:55,089 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 21:04:55,089 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:04:55,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:04:55,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-10-12 21:04:55,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:04:55,090 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:04:55,095 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-10-12 21:04:55,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:04:55,097 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:55,098 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:04:55,098 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:04:55,098 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:04:55,098 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:04:55,099 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:04:55,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:04:55,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 21:04:55,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:04:55,099 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:04:55,133 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 21:04:55,133 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [609364972] [2020-10-12 21:04:55,134 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 21:04:55,134 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-10-12 21:04:55,134 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1710279361] [2020-10-12 21:04:55,139 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-12 21:04:55,139 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 21:04:55,139 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-12 21:04:55,140 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2020-10-12 21:04:55,140 INFO L87 Difference]: Start difference. First operand 290 states and 409 transitions. Second operand 13 states. [2020-10-12 21:04:55,283 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2020-10-12 21:04:56,441 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2020-10-12 21:04:56,570 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-12 21:05:05,059 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 21:05:05,060 INFO L93 Difference]: Finished difference Result 1353 states and 2142 transitions. [2020-10-12 21:05:05,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2020-10-12 21:05:05,060 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 147 [2020-10-12 21:05:05,061 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 21:05:05,074 INFO L225 Difference]: With dead ends: 1353 [2020-10-12 21:05:05,075 INFO L226 Difference]: Without dead ends: 1087 [2020-10-12 21:05:05,079 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 545 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=478, Invalid=1502, Unknown=0, NotChecked=0, Total=1980 [2020-10-12 21:05:05,081 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1087 states. [2020-10-12 21:05:05,201 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1087 to 714. [2020-10-12 21:05:05,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 714 states. [2020-10-12 21:05:05,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 714 states to 714 states and 1002 transitions. [2020-10-12 21:05:05,206 INFO L78 Accepts]: Start accepts. Automaton has 714 states and 1002 transitions. Word has length 147 [2020-10-12 21:05:05,207 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 21:05:05,207 INFO L479 AbstractCegarLoop]: Abstraction has 714 states and 1002 transitions. [2020-10-12 21:05:05,207 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-12 21:05:05,207 INFO L276 IsEmpty]: Start isEmpty. Operand 714 states and 1002 transitions. [2020-10-12 21:05:05,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2020-10-12 21:05:05,210 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 21:05:05,210 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] [2020-10-12 21:05:05,210 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-12 21:05:05,210 INFO L427 AbstractCegarLoop]: === Iteration 3 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 21:05:05,211 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 21:05:05,211 INFO L82 PathProgramCache]: Analyzing trace with hash 865204583, now seen corresponding path program 1 times [2020-10-12 21:05:05,211 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 21:05:05,211 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [570096112] [2020-10-12 21:05:05,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 21:05:05,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:05,241 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:05,291 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:05,317 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:05,344 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:05,776 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:10,234 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:10,235 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 189 [2020-10-12 21:05:10,235 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-12 21:05:10,235 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-12 21:05:10,235 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:10,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 21:05:10,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 21:05:10,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 41 [2020-10-12 21:05:10,235 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:10,346 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:05:10,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:10,353 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:10,360 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:10,361 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:05:10,361 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:10,361 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-12 21:05:10,361 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:10,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:05:10,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:05:10,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 21:05:10,362 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:10,389 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 21:05:10,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:10,392 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:10,394 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:10,394 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:05:10,394 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:10,395 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:05:10,395 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:10,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:05:10,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:05:10,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 21:05:10,396 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:10,397 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 21:05:10,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:10,398 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:10,399 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:10,399 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 21:05:10,399 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:10,400 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:05:10,400 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:10,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:05:10,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:05:10,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 21:05:10,400 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:10,416 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-12 21:05:10,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:10,420 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:10,424 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:10,424 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-12 21:05:10,425 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:10,425 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 21:05:10,425 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:10,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:05:10,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:05:10,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-12 21:05:10,426 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:10,468 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-12 21:05:10,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:10,473 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:10,484 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:10,484 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-12 21:05:10,485 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:10,485 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-12 21:05:10,485 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:10,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:05:10,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 21:05:10,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-12 21:05:10,485 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:10,508 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-12 21:05:10,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:10,515 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:10,521 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:10,528 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:10,695 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:11,023 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:11,024 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-10-12 21:05:11,024 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-12 21:05:11,024 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 510 [2020-10-12 21:05:11,024 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:11,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 21:05:11,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 74 [2020-10-12 21:05:11,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 21:05:11,025 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:11,046 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:05:11,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:11,047 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:11,049 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:11,049 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:05:11,049 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:11,049 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:05:11,049 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:11,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:05:11,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:05:11,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:05:11,050 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:11,051 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 21:05:11,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:11,052 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:11,053 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:11,053 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:05:11,053 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:11,053 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:05:11,054 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:11,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:05:11,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:05:11,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:05:11,054 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:11,055 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-12 21:05:11,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:11,057 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:11,065 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:11,065 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:05:11,065 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:11,066 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-12 21:05:11,066 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:11,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:05:11,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:05:11,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:05:11,067 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:11,068 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-12 21:05:11,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:11,070 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:11,070 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:11,071 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:05:11,071 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:11,071 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:05:11,071 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:11,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:05:11,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:05:11,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:05:11,072 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:11,074 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-12 21:05:11,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:11,075 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:11,076 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:11,076 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:05:11,077 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:11,077 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:05:11,077 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:11,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:05:11,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:05:11,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:05:11,078 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:11,079 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-12 21:05:11,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:11,080 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:11,080 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:11,081 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:05:11,081 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:11,081 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:05:11,081 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:11,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:05:11,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:05:11,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:05:11,082 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:11,083 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-12 21:05:11,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:11,085 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:11,087 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:11,087 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:05:11,088 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:11,088 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 21:05:11,088 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:11,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:05:11,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:05:11,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 21:05:11,089 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:11,118 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-12 21:05:11,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:11,124 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:11,128 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:11,129 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-12 21:05:11,129 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:11,129 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-12 21:05:11,129 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:11,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:05:11,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-10-12 21:05:11,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:05:11,130 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:11,133 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-10-12 21:05:11,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:11,134 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:11,136 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:11,136 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:05:11,136 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:11,136 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:05:11,136 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:11,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:05:11,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 21:05:11,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:05:11,137 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:11,167 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 21:05:11,168 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [570096112] [2020-10-12 21:05:11,168 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 21:05:11,168 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-10-12 21:05:11,168 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [49282899] [2020-10-12 21:05:11,170 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-12 21:05:11,170 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 21:05:11,170 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-12 21:05:11,170 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=148, Unknown=0, NotChecked=0, Total=182 [2020-10-12 21:05:11,170 INFO L87 Difference]: Start difference. First operand 714 states and 1002 transitions. Second operand 14 states. [2020-10-12 21:05:12,727 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2020-10-12 21:05:16,096 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 21:05:16,096 INFO L93 Difference]: Finished difference Result 1728 states and 2594 transitions. [2020-10-12 21:05:16,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-12 21:05:16,097 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 147 [2020-10-12 21:05:16,097 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 21:05:16,107 INFO L225 Difference]: With dead ends: 1728 [2020-10-12 21:05:16,107 INFO L226 Difference]: Without dead ends: 1038 [2020-10-12 21:05:16,111 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 80 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=160, Invalid=440, Unknown=0, NotChecked=0, Total=600 [2020-10-12 21:05:16,112 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1038 states. [2020-10-12 21:05:16,212 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1038 to 724. [2020-10-12 21:05:16,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 724 states. [2020-10-12 21:05:16,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 724 states to 724 states and 1004 transitions. [2020-10-12 21:05:16,219 INFO L78 Accepts]: Start accepts. Automaton has 724 states and 1004 transitions. Word has length 147 [2020-10-12 21:05:16,219 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 21:05:16,220 INFO L479 AbstractCegarLoop]: Abstraction has 724 states and 1004 transitions. [2020-10-12 21:05:16,220 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-12 21:05:16,220 INFO L276 IsEmpty]: Start isEmpty. Operand 724 states and 1004 transitions. [2020-10-12 21:05:16,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2020-10-12 21:05:16,223 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 21:05:16,223 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] [2020-10-12 21:05:16,223 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-12 21:05:16,223 INFO L427 AbstractCegarLoop]: === Iteration 4 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 21:05:16,224 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 21:05:16,224 INFO L82 PathProgramCache]: Analyzing trace with hash 1497359589, now seen corresponding path program 1 times [2020-10-12 21:05:16,224 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 21:05:16,225 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [906040283] [2020-10-12 21:05:16,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 21:05:16,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:16,254 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:16,299 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:16,322 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:16,407 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:17,941 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:17,981 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:18,003 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:18,021 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:18,070 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:18,087 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:18,104 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:18,118 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:18,134 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:18,149 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:18,246 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:21,251 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:21,252 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 189 [2020-10-12 21:05:21,252 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 15 [2020-10-12 21:05:21,252 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5006 [2020-10-12 21:05:21,252 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:21,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-12 21:05:21,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 21:05:21,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 142 [2020-10-12 21:05:21,253 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:05:21,411 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-12 21:05:21,411 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:05:21,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:21,420 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:21,431 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:21,431 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:05:21,432 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:21,432 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-12 21:05:21,432 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:21,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:05:21,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:05:21,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 21:05:21,433 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:05:21,467 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 21:05:21,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:21,471 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:21,474 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:21,474 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:05:21,474 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:21,475 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 21:05:21,475 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:21,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:05:21,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:05:21,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 21:05:21,476 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:05:21,478 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 21:05:21,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:21,479 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:21,480 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:21,481 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 21:05:21,481 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:21,481 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:05:21,482 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:21,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:05:21,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:05:21,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 21:05:21,483 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:05:21,505 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-12 21:05:21,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:21,510 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:21,515 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:21,515 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-12 21:05:21,516 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:21,516 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 21:05:21,516 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:21,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:05:21,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:05:21,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-12 21:05:21,518 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:05:21,564 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-12 21:05:21,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:21,571 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:21,589 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:21,590 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-12 21:05:21,590 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:21,590 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-12 21:05:21,590 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:21,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:05:21,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 21:05:21,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-12 21:05:21,592 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:05:21,666 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-12 21:05:21,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:21,679 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:21,690 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:21,698 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:22,079 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:22,079 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-10-12 21:05:22,079 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 21:05:22,080 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 403 [2020-10-12 21:05:22,080 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:22,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 21:05:22,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 52 [2020-10-12 21:05:22,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 21:05:22,080 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:22,116 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:05:22,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:22,118 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:22,119 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:22,119 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:05:22,119 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:22,120 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:05:22,120 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:22,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:05:22,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:05:22,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:05:22,121 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:22,121 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 21:05:22,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:22,122 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:22,123 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:22,123 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:05:22,124 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:22,124 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:05:22,124 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:22,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:05:22,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:05:22,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:05:22,125 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:22,126 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-12 21:05:22,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:22,126 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:22,127 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:22,127 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:05:22,128 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:22,128 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:05:22,128 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:22,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:05:22,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:05:22,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:05:22,129 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:22,130 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-12 21:05:22,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:22,130 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:22,131 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:22,131 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:05:22,132 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:22,133 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:05:22,133 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:22,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:05:22,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:05:22,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:05:22,134 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:22,134 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-12 21:05:22,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:22,136 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:22,139 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:22,139 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:05:22,139 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:22,139 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 21:05:22,140 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:22,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:05:22,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:05:22,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 21:05:22,140 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:22,169 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-12 21:05:22,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:22,171 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:22,172 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:22,172 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:05:22,172 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:22,173 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:05:22,173 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:22,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:05:22,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:05:22,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:05:22,174 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:22,175 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-12 21:05:22,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:22,176 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:22,177 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:22,177 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:05:22,177 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:22,177 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:05:22,178 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:22,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:05:22,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:05:22,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:05:22,178 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:22,187 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-12 21:05:22,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:22,193 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:22,203 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:22,203 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-12 21:05:22,203 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:22,204 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-12 21:05:22,204 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:22,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:05:22,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 21:05:22,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-12 21:05:22,205 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:22,255 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-10-12 21:05:22,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:22,258 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:22,260 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:22,260 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:05:22,260 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:22,261 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:05:22,261 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:22,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:05:22,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 21:05:22,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:05:22,262 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:05:22,340 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 21:05:22,342 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [906040283] [2020-10-12 21:05:22,342 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 21:05:22,342 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-10-12 21:05:22,343 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1117768549] [2020-10-12 21:05:22,344 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-12 21:05:22,345 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 21:05:22,345 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-12 21:05:22,345 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=148, Unknown=0, NotChecked=0, Total=182 [2020-10-12 21:05:22,346 INFO L87 Difference]: Start difference. First operand 724 states and 1004 transitions. Second operand 14 states. [2020-10-12 21:05:22,497 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2020-10-12 21:05:23,576 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-10-12 21:05:23,709 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-12 21:05:27,151 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 21:05:27,151 INFO L93 Difference]: Finished difference Result 1789 states and 2657 transitions. [2020-10-12 21:05:27,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-12 21:05:27,152 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 147 [2020-10-12 21:05:27,153 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 21:05:27,159 INFO L225 Difference]: With dead ends: 1789 [2020-10-12 21:05:27,160 INFO L226 Difference]: Without dead ends: 1089 [2020-10-12 21:05:27,163 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 69 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=160, Invalid=440, Unknown=0, NotChecked=0, Total=600 [2020-10-12 21:05:27,165 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1089 states. [2020-10-12 21:05:27,249 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1089 to 739. [2020-10-12 21:05:27,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 739 states. [2020-10-12 21:05:27,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 739 states to 739 states and 1012 transitions. [2020-10-12 21:05:27,254 INFO L78 Accepts]: Start accepts. Automaton has 739 states and 1012 transitions. Word has length 147 [2020-10-12 21:05:27,254 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 21:05:27,255 INFO L479 AbstractCegarLoop]: Abstraction has 739 states and 1012 transitions. [2020-10-12 21:05:27,255 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-12 21:05:27,255 INFO L276 IsEmpty]: Start isEmpty. Operand 739 states and 1012 transitions. [2020-10-12 21:05:27,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2020-10-12 21:05:27,257 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 21:05:27,257 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] [2020-10-12 21:05:27,257 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-12 21:05:27,257 INFO L427 AbstractCegarLoop]: === Iteration 5 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 21:05:27,258 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 21:05:27,258 INFO L82 PathProgramCache]: Analyzing trace with hash 1214053865, now seen corresponding path program 1 times [2020-10-12 21:05:27,258 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 21:05:27,258 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1804748158] [2020-10-12 21:05:27,259 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 21:05:27,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:27,286 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:27,332 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:27,356 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:27,726 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:27,798 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:27,858 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:28,117 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:28,142 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:28,168 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:28,192 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:28,210 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:28,230 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:28,245 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:31,363 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:31,383 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:32,080 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:32,282 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:32,282 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 189 [2020-10-12 21:05:32,282 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 16 [2020-10-12 21:05:32,283 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5005 [2020-10-12 21:05:32,283 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:32,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-12 21:05:32,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 21:05:32,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 179 [2020-10-12 21:05:32,284 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:32,395 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:05:32,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:32,400 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:32,409 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:32,409 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:05:32,409 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:32,410 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-12 21:05:32,410 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:32,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:05:32,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:05:32,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 21:05:32,411 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:32,454 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 21:05:32,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:32,458 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:32,462 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:32,463 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:05:32,463 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:32,463 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 21:05:32,463 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:32,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:05:32,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:05:32,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 21:05:32,464 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:32,465 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 21:05:32,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:32,467 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:32,467 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:32,468 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 21:05:32,468 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:32,468 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:05:32,469 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:32,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:05:32,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:05:32,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 21:05:32,470 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:05:32,496 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-12 21:05:32,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:32,499 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:32,505 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:32,505 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-12 21:05:32,506 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:32,506 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 21:05:32,506 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:32,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:05:32,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:05:32,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-12 21:05:32,509 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:32,542 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-12 21:05:32,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:32,546 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:32,553 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:32,553 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-12 21:05:32,553 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:32,553 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 21:05:32,554 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:32,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:05:32,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:05:32,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-12 21:05:32,554 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:32,557 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-12 21:05:32,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:32,574 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:32,580 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:32,657 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:32,657 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-10-12 21:05:32,657 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 21:05:32,658 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 90 [2020-10-12 21:05:32,658 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:32,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 21:05:32,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 41 [2020-10-12 21:05:32,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 21:05:32,659 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:32,686 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:05:32,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:32,688 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:32,689 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:32,689 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:05:32,690 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:32,690 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:05:32,690 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:32,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:05:32,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:05:32,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:05:32,691 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:05:32,692 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 21:05:32,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:32,694 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:32,695 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:32,695 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:05:32,696 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:32,696 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:05:32,696 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:32,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:05:32,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:05:32,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:05:32,697 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:05:32,698 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-12 21:05:32,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:32,700 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:32,703 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:32,703 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:05:32,703 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:32,704 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 21:05:32,704 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:32,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:05:32,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:05:32,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:05:32,705 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:05:32,708 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-12 21:05:32,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:32,710 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:32,714 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:32,714 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:05:32,714 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:32,715 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 21:05:32,715 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:32,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:05:32,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:05:32,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 21:05:32,716 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:05:32,744 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-12 21:05:32,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:32,746 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:32,747 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:32,748 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:05:32,748 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:32,748 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:05:32,749 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:32,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:05:32,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:05:32,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:05:32,750 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:05:32,751 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-12 21:05:32,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:32,752 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:32,754 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:32,754 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:05:32,754 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:32,755 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:05:32,755 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:32,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:05:32,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:05:32,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:05:32,756 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:05:32,757 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-12 21:05:32,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:32,759 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:32,760 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:32,760 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:05:32,760 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:32,761 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:05:32,761 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:32,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:05:32,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:05:32,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:05:32,762 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:05:32,768 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-12 21:05:32,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:32,776 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:32,784 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:32,785 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-12 21:05:32,785 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:32,785 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-12 21:05:32,785 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:32,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:05:32,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:05:32,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-12 21:05:32,787 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:05:32,790 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-10-12 21:05:32,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:32,793 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:32,795 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:32,796 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:05:32,796 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:32,796 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 21:05:32,797 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:32,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:05:32,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:05:32,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 21:05:32,798 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:32,839 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 21:05:32,840 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1804748158] [2020-10-12 21:05:32,840 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 21:05:32,841 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-12 21:05:32,841 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1638282501] [2020-10-12 21:05:32,842 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-12 21:05:32,842 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 21:05:32,842 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-12 21:05:32,843 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-10-12 21:05:32,843 INFO L87 Difference]: Start difference. First operand 739 states and 1012 transitions. Second operand 11 states. [2020-10-12 21:05:32,987 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2020-10-12 21:05:39,022 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 21:05:39,022 INFO L93 Difference]: Finished difference Result 2790 states and 4113 transitions. [2020-10-12 21:05:39,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2020-10-12 21:05:39,022 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 147 [2020-10-12 21:05:39,023 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 21:05:39,034 INFO L225 Difference]: With dead ends: 2790 [2020-10-12 21:05:39,035 INFO L226 Difference]: Without dead ends: 2076 [2020-10-12 21:05:39,039 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 176 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=211, Invalid=659, Unknown=0, NotChecked=0, Total=870 [2020-10-12 21:05:39,041 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2076 states. [2020-10-12 21:05:39,182 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2076 to 1473. [2020-10-12 21:05:39,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1473 states. [2020-10-12 21:05:39,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1473 states to 1473 states and 2023 transitions. [2020-10-12 21:05:39,187 INFO L78 Accepts]: Start accepts. Automaton has 1473 states and 2023 transitions. Word has length 147 [2020-10-12 21:05:39,188 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 21:05:39,188 INFO L479 AbstractCegarLoop]: Abstraction has 1473 states and 2023 transitions. [2020-10-12 21:05:39,188 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-12 21:05:39,188 INFO L276 IsEmpty]: Start isEmpty. Operand 1473 states and 2023 transitions. [2020-10-12 21:05:39,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2020-10-12 21:05:39,192 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 21:05:39,193 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 21:05:39,193 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-12 21:05:39,193 INFO L427 AbstractCegarLoop]: === Iteration 6 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 21:05:39,193 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 21:05:39,194 INFO L82 PathProgramCache]: Analyzing trace with hash 1022372140, now seen corresponding path program 1 times [2020-10-12 21:05:39,194 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 21:05:39,194 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [454052951] [2020-10-12 21:05:39,194 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 21:05:39,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:39,225 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:39,277 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:39,317 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:39,360 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:39,639 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:40,743 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:40,783 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:40,804 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:40,875 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:41,278 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:41,391 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:41,411 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:41,600 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:41,959 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:41,993 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:42,026 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:42,049 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:42,069 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:42,092 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:42,110 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:42,129 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:44,221 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:44,222 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 305 [2020-10-12 21:05:44,222 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 21 [2020-10-12 21:05:44,222 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5006 [2020-10-12 21:05:44,222 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:44,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 21:05:44,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 21:05:44,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 49 [2020-10-12 21:05:44,222 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:44,330 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:05:44,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:44,339 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:44,351 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:44,351 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:05:44,352 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:44,352 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-12 21:05:44,352 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:44,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:05:44,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:05:44,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 21:05:44,353 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:05:44,388 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 21:05:44,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:44,392 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:44,398 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:44,398 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:05:44,398 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:44,399 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 21:05:44,399 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:44,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:05:44,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:05:44,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 21:05:44,402 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-12 21:05:44,404 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 21:05:44,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:44,410 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:44,411 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:44,411 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 21:05:44,412 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:44,412 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 21:05:44,412 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:44,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:05:44,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:05:44,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 21:05:44,414 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:05:44,436 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-12 21:05:44,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:44,440 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:44,448 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:44,448 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-12 21:05:44,449 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:44,449 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-12 21:05:44,449 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:44,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:05:44,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:05:44,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-12 21:05:44,450 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:05:44,500 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-12 21:05:44,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:44,508 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:44,524 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:44,525 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-12 21:05:44,525 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:44,525 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-12 21:05:44,526 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:44,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:05:44,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 21:05:44,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-12 21:05:44,527 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:05:44,570 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-12 21:05:44,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:44,581 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:44,592 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:44,592 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-10-12 21:05:44,593 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:44,593 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-12 21:05:44,593 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:44,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:05:44,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 82 [2020-10-12 21:05:44,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:05:44,594 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:05:44,601 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:05:44,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:44,604 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:44,605 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:44,605 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:05:44,605 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:44,606 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:05:44,606 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:44,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:05:44,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:05:44,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:05:44,607 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:05:44,608 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 21:05:44,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:44,610 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:44,611 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:44,612 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:05:44,612 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:44,612 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:05:44,613 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:44,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:05:44,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:05:44,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:05:44,614 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:05:44,615 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-12 21:05:44,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:44,616 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:44,618 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:44,618 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:05:44,618 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:44,619 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:05:44,619 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:44,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:05:44,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:05:44,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:05:44,620 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:05:44,621 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-12 21:05:44,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:44,623 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:44,624 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:44,624 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:05:44,624 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:44,625 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:05:44,625 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:44,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:05:44,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:05:44,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:05:44,626 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:05:44,627 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-12 21:05:44,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:44,630 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:44,631 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:44,631 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:05:44,632 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:44,632 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:05:44,632 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:44,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:05:44,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:05:44,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:05:44,634 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:05:44,635 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-12 21:05:44,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:44,636 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:44,637 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:44,637 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:05:44,638 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:44,638 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:05:44,638 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:44,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:05:44,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:05:44,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:05:44,640 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:05:44,641 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-12 21:05:44,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:44,642 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:44,643 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:44,644 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:05:44,644 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:44,644 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:05:44,645 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:44,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:05:44,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:05:44,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:05:44,646 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:05:44,651 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-12 21:05:44,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:44,656 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:44,661 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:44,661 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-12 21:05:44,661 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:44,662 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 21:05:44,662 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:44,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:05:44,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-10-12 21:05:44,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:05:44,663 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:05:44,666 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-10-12 21:05:44,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:44,668 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:44,668 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:44,669 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:05:44,669 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:44,669 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:05:44,669 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:44,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:05:44,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 21:05:44,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:05:44,670 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:44,715 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2020-10-12 21:05:44,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:44,732 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:44,746 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:44,746 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 99 [2020-10-12 21:05:44,747 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:44,747 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-12 21:05:44,747 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:44,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:05:44,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 96 [2020-10-12 21:05:44,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:05:44,749 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:05:44,756 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 21:05:44,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:44,762 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:44,774 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:44,775 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 90 [2020-10-12 21:05:44,775 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:44,775 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-12 21:05:44,775 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:44,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:05:44,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:05:44,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:05:44,777 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:05:44,783 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:05:44,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:44,788 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:44,797 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:44,797 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-10-12 21:05:44,797 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:44,798 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-12 21:05:44,798 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:44,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:05:44,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:05:44,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:05:44,799 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:44,805 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:05:44,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:44,807 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:44,808 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:44,808 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:05:44,809 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:44,809 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:05:44,809 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:44,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:05:44,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:05:44,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:05:44,811 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:05:44,812 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 21:05:44,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:44,815 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:44,817 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:44,817 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:05:44,817 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:44,818 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:05:44,818 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:44,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:05:44,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:05:44,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:05:44,819 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:05:44,822 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-12 21:05:44,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:44,823 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:44,825 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:44,825 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:05:44,825 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:44,826 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:05:44,826 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:44,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:05:44,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:05:44,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:05:44,828 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:05:44,829 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-12 21:05:44,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:44,830 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:44,831 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:44,832 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:05:44,832 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:44,832 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:05:44,833 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:44,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:05:44,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:05:44,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:05:44,834 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:05:44,835 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-12 21:05:44,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:44,837 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:44,838 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:44,838 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:05:44,839 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:44,839 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:05:44,839 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:44,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:05:44,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:05:44,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:05:44,841 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:05:44,842 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-12 21:05:44,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:44,844 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:44,845 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:44,845 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:05:44,846 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:44,846 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:05:44,846 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:44,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:05:44,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:05:44,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:05:44,848 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:05:44,850 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-12 21:05:44,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:44,851 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:44,852 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:44,853 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:05:44,853 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:44,853 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:05:44,854 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:44,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:05:44,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:05:44,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:05:44,855 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:05:44,874 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2020-10-12 21:05:44,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:44,876 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:44,877 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:44,877 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:05:44,877 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:44,878 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:05:44,878 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:44,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:05:44,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 21:05:44,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:05:44,879 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:05:44,991 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2020-10-12 21:05:44,992 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [454052951] [2020-10-12 21:05:44,993 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 21:05:44,993 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-12 21:05:44,993 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1236453705] [2020-10-12 21:05:44,994 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-12 21:05:44,995 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 21:05:44,995 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-12 21:05:44,995 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2020-10-12 21:05:44,995 INFO L87 Difference]: Start difference. First operand 1473 states and 2023 transitions. Second operand 11 states. [2020-10-12 21:05:45,146 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2020-10-12 21:05:49,258 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 21:05:49,258 INFO L93 Difference]: Finished difference Result 4017 states and 5758 transitions. [2020-10-12 21:05:49,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-12 21:05:49,258 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 241 [2020-10-12 21:05:49,259 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 21:05:49,273 INFO L225 Difference]: With dead ends: 4017 [2020-10-12 21:05:49,273 INFO L226 Difference]: Without dead ends: 2568 [2020-10-12 21:05:49,283 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=127, Invalid=293, Unknown=0, NotChecked=0, Total=420 [2020-10-12 21:05:49,286 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2568 states. [2020-10-12 21:05:49,583 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2568 to 1805. [2020-10-12 21:05:49,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1805 states. [2020-10-12 21:05:49,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1805 states to 1805 states and 2389 transitions. [2020-10-12 21:05:49,591 INFO L78 Accepts]: Start accepts. Automaton has 1805 states and 2389 transitions. Word has length 241 [2020-10-12 21:05:49,591 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 21:05:49,591 INFO L479 AbstractCegarLoop]: Abstraction has 1805 states and 2389 transitions. [2020-10-12 21:05:49,591 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-12 21:05:49,592 INFO L276 IsEmpty]: Start isEmpty. Operand 1805 states and 2389 transitions. [2020-10-12 21:05:49,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2020-10-12 21:05:49,600 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 21:05:49,600 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 21:05:49,600 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-12 21:05:49,600 INFO L427 AbstractCegarLoop]: === Iteration 7 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 21:05:49,601 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 21:05:49,601 INFO L82 PathProgramCache]: Analyzing trace with hash -2061837781, now seen corresponding path program 1 times [2020-10-12 21:05:49,601 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 21:05:49,601 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [676201146] [2020-10-12 21:05:49,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 21:05:49,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:49,632 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:49,690 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:49,733 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:49,983 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:50,054 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:50,101 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:50,143 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:50,174 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:50,261 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:50,284 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:50,302 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:50,314 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:50,325 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:50,770 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:51,465 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:51,496 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:51,882 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:54,629 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:54,629 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 305 [2020-10-12 21:05:54,629 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 17 [2020-10-12 21:05:54,629 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5006 [2020-10-12 21:05:54,629 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:54,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 21:05:54,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 21:05:54,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 47 [2020-10-12 21:05:54,630 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:54,741 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:05:54,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:54,749 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:54,759 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:54,759 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:05:54,759 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:54,760 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-12 21:05:54,760 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:54,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:05:54,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:05:54,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 21:05:54,761 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:05:54,789 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 21:05:54,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:54,798 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:54,800 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:54,801 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:05:54,801 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:54,801 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-12 21:05:54,802 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:54,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:05:54,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:05:54,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 21:05:54,803 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:05:54,805 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 21:05:54,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:54,806 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:54,807 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:54,808 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 21:05:54,808 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:54,808 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:05:54,808 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:54,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:05:54,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:05:54,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 21:05:54,809 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:54,829 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-12 21:05:54,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:54,834 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:54,839 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:54,840 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-12 21:05:54,840 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:54,840 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 21:05:54,841 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:54,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:05:54,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:05:54,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-12 21:05:54,842 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:05:54,880 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-12 21:05:54,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:54,886 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:54,903 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:54,903 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-12 21:05:54,903 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:54,904 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-12 21:05:54,904 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:54,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:05:54,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 21:05:54,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-12 21:05:54,905 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:54,932 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-12 21:05:54,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:54,945 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:54,953 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:54,954 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-10-12 21:05:54,954 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:54,954 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-12 21:05:54,954 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:54,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:05:54,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 82 [2020-10-12 21:05:54,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:05:54,955 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:54,961 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:05:54,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:54,962 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:54,963 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:54,964 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:05:54,964 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:54,964 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:05:54,965 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:54,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:05:54,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:05:54,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:05:54,966 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:05:54,967 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 21:05:54,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:54,968 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:54,969 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:54,969 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:05:54,970 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:54,970 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:05:54,970 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:54,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:05:54,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:05:54,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:05:54,972 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:05:54,973 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-12 21:05:54,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:54,974 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:54,975 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:54,975 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:05:54,975 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:54,976 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:05:54,976 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:54,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:05:54,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:05:54,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:05:54,977 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:05:54,979 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-12 21:05:54,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:54,980 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:54,981 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:54,981 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:05:54,981 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:54,982 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:05:54,982 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:54,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:05:54,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:05:54,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:05:54,983 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:54,984 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-12 21:05:54,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:54,985 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:54,986 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:54,986 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:05:54,986 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:54,987 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:05:54,987 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:54,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:05:54,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:05:54,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:05:54,988 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:54,990 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-12 21:05:54,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:54,991 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:54,992 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:54,992 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:05:54,993 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:54,993 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:05:54,993 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:54,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:05:54,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:05:54,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:05:54,994 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:54,995 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-12 21:05:54,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:54,996 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:54,997 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:54,997 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:05:54,997 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:54,998 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:05:54,998 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:54,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:05:54,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:05:54,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:05:54,999 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:55,004 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-12 21:05:55,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:55,009 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:55,014 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:55,014 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-12 21:05:55,014 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:55,014 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 21:05:55,015 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:55,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:05:55,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-10-12 21:05:55,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:05:55,015 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:55,019 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-10-12 21:05:55,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:55,020 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:55,021 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:55,022 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:05:55,022 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:55,022 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:05:55,022 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:55,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:05:55,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 21:05:55,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:05:55,023 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:55,053 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2020-10-12 21:05:55,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:55,066 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:55,076 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:55,077 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 99 [2020-10-12 21:05:55,077 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:55,077 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-12 21:05:55,077 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:55,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:05:55,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 96 [2020-10-12 21:05:55,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:05:55,078 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:55,084 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 21:05:55,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:55,095 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:55,105 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:55,105 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 90 [2020-10-12 21:05:55,105 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:55,105 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-12 21:05:55,106 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:55,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:05:55,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:05:55,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:05:55,106 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:55,112 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:05:55,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:55,117 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:55,124 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:55,125 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-10-12 21:05:55,125 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:55,125 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 21:05:55,125 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:55,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:05:55,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:05:55,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:05:55,126 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:55,133 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:05:55,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:55,134 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:55,135 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:55,135 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:05:55,135 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:55,135 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:05:55,135 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:55,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:05:55,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:05:55,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:05:55,136 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:55,137 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 21:05:55,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:55,153 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:55,154 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:55,155 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:05:55,155 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:55,156 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:05:55,156 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:55,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:05:55,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:05:55,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:05:55,157 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:55,158 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-12 21:05:55,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:55,160 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:55,161 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:55,161 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:05:55,161 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:55,161 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:05:55,162 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:55,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:05:55,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:05:55,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:05:55,163 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:55,164 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-12 21:05:55,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:55,166 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:55,166 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:55,167 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:05:55,167 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:55,167 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:05:55,167 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:55,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:05:55,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:05:55,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:05:55,168 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:55,169 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-12 21:05:55,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:55,170 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:55,170 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:55,171 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:05:55,171 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:55,171 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:05:55,171 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:55,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:05:55,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:05:55,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:05:55,172 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:55,174 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-12 21:05:55,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:55,175 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:55,176 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:55,176 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:05:55,176 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:55,177 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:05:55,177 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:55,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:05:55,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:05:55,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:05:55,178 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:55,179 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-12 21:05:55,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:55,180 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:55,181 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:55,181 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:05:55,181 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:55,182 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:05:55,182 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:55,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:05:55,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:05:55,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:05:55,183 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:55,194 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2020-10-12 21:05:55,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:55,196 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:55,200 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:55,200 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:05:55,200 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:55,200 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 21:05:55,200 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:55,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:05:55,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 21:05:55,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:05:55,201 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:55,261 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2020-10-12 21:05:55,262 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [676201146] [2020-10-12 21:05:55,262 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 21:05:55,263 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-12 21:05:55,263 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1320493605] [2020-10-12 21:05:55,263 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-12 21:05:55,264 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 21:05:55,264 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-12 21:05:55,264 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2020-10-12 21:05:55,264 INFO L87 Difference]: Start difference. First operand 1805 states and 2389 transitions. Second operand 11 states. [2020-10-12 21:05:57,601 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-12 21:06:01,544 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 21:06:01,545 INFO L93 Difference]: Finished difference Result 4969 states and 7104 transitions. [2020-10-12 21:06:01,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-10-12 21:06:01,545 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 241 [2020-10-12 21:06:01,545 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 21:06:01,563 INFO L225 Difference]: With dead ends: 4969 [2020-10-12 21:06:01,563 INFO L226 Difference]: Without dead ends: 3188 [2020-10-12 21:06:01,572 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 80 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=145, Invalid=361, Unknown=0, NotChecked=0, Total=506 [2020-10-12 21:06:01,575 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3188 states. [2020-10-12 21:06:01,865 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3188 to 2147. [2020-10-12 21:06:01,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2147 states. [2020-10-12 21:06:01,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2147 states to 2147 states and 2761 transitions. [2020-10-12 21:06:01,871 INFO L78 Accepts]: Start accepts. Automaton has 2147 states and 2761 transitions. Word has length 241 [2020-10-12 21:06:01,872 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 21:06:01,872 INFO L479 AbstractCegarLoop]: Abstraction has 2147 states and 2761 transitions. [2020-10-12 21:06:01,872 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-12 21:06:01,872 INFO L276 IsEmpty]: Start isEmpty. Operand 2147 states and 2761 transitions. [2020-10-12 21:06:01,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2020-10-12 21:06:01,877 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 21:06:01,877 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 21:06:01,878 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-12 21:06:01,878 INFO L427 AbstractCegarLoop]: === Iteration 8 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 21:06:01,878 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 21:06:01,878 INFO L82 PathProgramCache]: Analyzing trace with hash 284580649, now seen corresponding path program 1 times [2020-10-12 21:06:01,878 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 21:06:01,883 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [981228505] [2020-10-12 21:06:01,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 21:06:01,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:01,912 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:01,964 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:02,000 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:02,035 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:03,662 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:03,715 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:03,744 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:03,859 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:03,913 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:03,926 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:03,940 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:03,952 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:04,279 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:04,395 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:04,780 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:06,960 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:06,960 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 305 [2020-10-12 21:06:06,961 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 15 [2020-10-12 21:06:06,961 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5057 [2020-10-12 21:06:06,961 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:06,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 21:06:06,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 21:06:06,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 247 [2020-10-12 21:06:06,961 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:07,071 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:06:07,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:07,077 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:07,082 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:07,082 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:06:07,082 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:07,083 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 21:06:07,083 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:07,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:06:07,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:06:07,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 21:06:07,083 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:07,102 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 21:06:07,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:07,105 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:07,106 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:07,106 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:06:07,106 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:07,106 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:06:07,106 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:07,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:06:07,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:06:07,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 21:06:07,107 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:07,108 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 21:06:07,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:07,108 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:07,109 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:07,109 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 21:06:07,109 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:07,109 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:06:07,109 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:07,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:06:07,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:06:07,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 21:06:07,110 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:07,125 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-12 21:06:07,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:07,128 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:07,131 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:07,131 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-12 21:06:07,131 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:07,131 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 21:06:07,131 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:07,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:06:07,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:06:07,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-12 21:06:07,132 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:07,167 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-12 21:06:07,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:07,171 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:07,177 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:07,177 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-12 21:06:07,177 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:07,177 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 21:06:07,177 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:07,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:06:07,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:06:07,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-12 21:06:07,178 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:07,180 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-12 21:06:07,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:07,187 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:07,190 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:07,225 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:07,226 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-10-12 21:06:07,226 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 21:06:07,226 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 41 [2020-10-12 21:06:07,226 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:07,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 21:06:07,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 30 [2020-10-12 21:06:07,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 21:06:07,227 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:07,261 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:06:07,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:07,263 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:07,264 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:07,265 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:06:07,265 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:07,265 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:06:07,265 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:07,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:06:07,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:06:07,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:06:07,266 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:07,267 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 21:06:07,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:07,268 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:07,269 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:07,269 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:06:07,269 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:07,269 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:06:07,269 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:07,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:06:07,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:06:07,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:06:07,270 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:07,271 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-12 21:06:07,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:07,272 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:07,275 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:07,275 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:06:07,276 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:07,276 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 21:06:07,276 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:07,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:06:07,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:06:07,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 21:06:07,277 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:07,305 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-12 21:06:07,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:07,307 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:07,308 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:07,310 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:06:07,310 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:07,310 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:06:07,311 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:07,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:06:07,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:06:07,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:06:07,311 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:07,312 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-12 21:06:07,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:07,313 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:07,314 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:07,314 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:06:07,315 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:07,315 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:06:07,315 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:07,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:06:07,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:06:07,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:06:07,316 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:07,317 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-12 21:06:07,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:07,318 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:07,319 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:07,319 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:06:07,319 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:07,319 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:06:07,319 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:07,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:06:07,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:06:07,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:06:07,320 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:07,321 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-12 21:06:07,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:07,322 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:07,323 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:07,323 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:06:07,323 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:07,324 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:06:07,324 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:07,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:06:07,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:06:07,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:06:07,324 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:07,328 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-12 21:06:07,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:07,332 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:07,337 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:07,337 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-12 21:06:07,337 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:07,337 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 21:06:07,337 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:07,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:06:07,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:06:07,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-12 21:06:07,338 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:07,340 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-10-12 21:06:07,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:07,342 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:07,343 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:07,343 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:06:07,344 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:07,344 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:06:07,344 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:07,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:06:07,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:06:07,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 21:06:07,345 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:07,377 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2020-10-12 21:06:07,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:07,386 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:07,399 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:07,424 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:07,424 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 99 [2020-10-12 21:06:07,424 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 21:06:07,424 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 40 [2020-10-12 21:06:07,424 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:07,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 21:06:07,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 39 [2020-10-12 21:06:07,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 21:06:07,425 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:07,428 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 21:06:07,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:07,437 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:07,460 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:07,460 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 90 [2020-10-12 21:06:07,460 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:07,461 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-12 21:06:07,461 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:07,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 21:06:07,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 33 [2020-10-12 21:06:07,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 21:06:07,461 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:07,465 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:06:07,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:07,475 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:07,496 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:07,496 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-10-12 21:06:07,496 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:07,496 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-12 21:06:07,496 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:07,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 21:06:07,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 30 [2020-10-12 21:06:07,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 21:06:07,497 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:07,509 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:06:07,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:07,510 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:07,510 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:07,511 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:06:07,511 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:07,511 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:06:07,511 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:07,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:06:07,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:06:07,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:06:07,512 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:07,512 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 21:06:07,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:07,513 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:07,514 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:07,514 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:06:07,514 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:07,514 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:06:07,514 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:07,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:06:07,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:06:07,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:06:07,515 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:07,515 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-12 21:06:07,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:07,516 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:07,518 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:07,518 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:06:07,518 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:07,519 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:06:07,519 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:07,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:06:07,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:06:07,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 21:06:07,519 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:07,525 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-12 21:06:07,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:07,526 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:07,528 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:07,528 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:06:07,528 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:07,528 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:06:07,528 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:07,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:06:07,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:06:07,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:06:07,529 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:07,531 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-12 21:06:07,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:07,532 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:07,533 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:07,533 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:06:07,534 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:07,534 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:06:07,534 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:07,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:06:07,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:06:07,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:06:07,535 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:07,536 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-12 21:06:07,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:07,538 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:07,539 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:07,539 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:06:07,539 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:07,540 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:06:07,540 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:07,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:06:07,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:06:07,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:06:07,541 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:07,542 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-12 21:06:07,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:07,543 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:07,544 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:07,544 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:06:07,545 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:07,545 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:06:07,545 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:07,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:06:07,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:06:07,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:06:07,546 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:07,556 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2020-10-12 21:06:07,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:07,557 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:07,558 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:07,559 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:06:07,559 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:07,559 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:06:07,559 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:07,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:06:07,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 21:06:07,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:06:07,560 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:07,608 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2020-10-12 21:06:07,608 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [981228505] [2020-10-12 21:06:07,608 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 21:06:07,608 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-12 21:06:07,608 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1223696336] [2020-10-12 21:06:07,609 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-12 21:06:07,609 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 21:06:07,609 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-12 21:06:07,609 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2020-10-12 21:06:07,610 INFO L87 Difference]: Start difference. First operand 2147 states and 2761 transitions. Second operand 12 states. [2020-10-12 21:06:08,684 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2020-10-12 21:06:11,358 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2020-10-12 21:06:11,858 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2020-10-12 21:06:15,199 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 21:06:15,200 INFO L93 Difference]: Finished difference Result 8142 states and 11166 transitions. [2020-10-12 21:06:15,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2020-10-12 21:06:15,200 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 241 [2020-10-12 21:06:15,200 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 21:06:15,226 INFO L225 Difference]: With dead ends: 8142 [2020-10-12 21:06:15,226 INFO L226 Difference]: Without dead ends: 6020 [2020-10-12 21:06:15,240 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 65 SyntacticMatches, 1 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 227 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=256, Invalid=800, Unknown=0, NotChecked=0, Total=1056 [2020-10-12 21:06:15,247 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6020 states. [2020-10-12 21:06:15,768 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6020 to 4267. [2020-10-12 21:06:15,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4267 states. [2020-10-12 21:06:15,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4267 states to 4267 states and 5488 transitions. [2020-10-12 21:06:15,780 INFO L78 Accepts]: Start accepts. Automaton has 4267 states and 5488 transitions. Word has length 241 [2020-10-12 21:06:15,782 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 21:06:15,782 INFO L479 AbstractCegarLoop]: Abstraction has 4267 states and 5488 transitions. [2020-10-12 21:06:15,782 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-12 21:06:15,782 INFO L276 IsEmpty]: Start isEmpty. Operand 4267 states and 5488 transitions. [2020-10-12 21:06:15,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2020-10-12 21:06:15,787 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 21:06:15,788 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 21:06:15,788 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-12 21:06:15,788 INFO L427 AbstractCegarLoop]: === Iteration 9 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 21:06:15,788 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 21:06:15,788 INFO L82 PathProgramCache]: Analyzing trace with hash 1332174922, now seen corresponding path program 1 times [2020-10-12 21:06:15,789 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 21:06:15,789 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1490946967] [2020-10-12 21:06:15,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 21:06:15,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:15,821 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:15,962 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:16,113 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:16,131 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:16,377 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:16,405 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:16,435 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:16,454 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:16,475 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:16,500 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:18,382 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:18,413 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:18,445 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:19,748 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:19,790 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:20,258 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:20,810 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:20,811 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 305 [2020-10-12 21:06:20,811 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 16 [2020-10-12 21:06:20,811 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-12 21:06:20,811 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:20,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-12 21:06:20,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 34 [2020-10-12 21:06:20,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 246 [2020-10-12 21:06:20,811 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:20,927 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:06:20,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:20,931 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:20,933 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:20,934 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:06:20,934 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:20,934 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:06:20,934 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:20,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:06:20,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:06:20,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:06:20,934 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:20,951 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 21:06:20,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:20,953 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:20,954 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:20,954 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:06:20,954 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:20,954 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:06:20,954 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:20,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:06:20,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:06:20,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:06:20,955 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:20,956 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 21:06:20,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:20,956 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:20,956 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:20,957 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 21:06:20,957 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:20,957 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:06:20,957 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:20,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:06:20,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:06:20,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:06:20,957 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:20,973 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-12 21:06:20,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:20,976 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:20,979 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:20,979 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-12 21:06:20,979 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:20,980 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 21:06:20,980 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:20,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:06:20,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:06:20,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 21:06:20,980 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:21,015 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-12 21:06:21,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:21,019 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:21,023 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:21,023 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-12 21:06:21,023 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:21,023 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 21:06:21,023 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:21,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:06:21,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:06:21,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-12 21:06:21,024 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:21,025 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-12 21:06:21,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:21,030 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:21,042 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:21,042 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-10-12 21:06:21,042 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:21,042 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-12 21:06:21,042 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:21,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:06:21,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 21:06:21,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 85 [2020-10-12 21:06:21,043 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:21,079 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:06:21,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:21,082 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:21,085 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:21,086 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:06:21,086 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:21,086 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 21:06:21,086 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:21,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:06:21,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:06:21,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 21:06:21,087 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:21,088 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 21:06:21,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:21,090 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:21,093 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:21,093 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:06:21,093 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:21,093 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 21:06:21,094 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:21,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:06:21,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:06:21,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 21:06:21,094 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:21,095 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-12 21:06:21,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:21,096 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:21,098 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:21,098 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:06:21,099 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:21,099 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:06:21,099 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:21,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:06:21,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:06:21,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 21:06:21,099 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:21,100 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-12 21:06:21,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:21,101 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:21,103 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:21,104 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:06:21,104 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:21,104 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:06:21,104 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:21,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:06:21,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:06:21,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 21:06:21,105 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:21,106 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-12 21:06:21,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:21,107 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:21,110 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:21,110 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:06:21,111 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:21,111 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 21:06:21,111 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:21,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:06:21,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:06:21,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 21:06:21,112 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:21,113 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-12 21:06:21,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:21,115 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:21,117 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:21,117 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:06:21,117 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:21,117 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:06:21,117 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:21,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:06:21,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:06:21,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 21:06:21,118 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:21,119 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-12 21:06:21,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:21,120 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:21,122 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:21,122 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:06:21,123 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:21,123 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:06:21,123 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:21,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:06:21,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:06:21,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 21:06:21,123 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:21,129 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-12 21:06:21,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:21,131 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:21,135 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:21,135 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-12 21:06:21,136 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:21,136 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 21:06:21,136 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:21,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:06:21,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:06:21,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-12 21:06:21,136 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:21,138 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-10-12 21:06:21,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:21,139 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:21,141 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:21,141 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:06:21,141 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:21,141 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:06:21,141 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:21,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:06:21,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:06:21,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 21:06:21,142 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:21,172 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2020-10-12 21:06:21,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:21,182 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:21,230 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:21,230 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 99 [2020-10-12 21:06:21,230 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:21,230 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 50 [2020-10-12 21:06:21,231 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:21,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 21:06:21,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 21:06:21,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 99 [2020-10-12 21:06:21,231 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:21,257 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 21:06:21,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:21,266 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:21,302 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:21,302 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 90 [2020-10-12 21:06:21,302 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:21,302 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 39 [2020-10-12 21:06:21,303 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:21,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-12 21:06:21,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 21:06:21,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 90 [2020-10-12 21:06:21,303 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:21,308 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:06:21,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:21,317 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:21,340 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:21,340 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-10-12 21:06:21,340 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:21,340 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-12 21:06:21,341 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:21,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:06:21,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 21:06:21,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 85 [2020-10-12 21:06:21,341 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:21,347 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:06:21,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:21,348 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:21,349 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:21,350 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:06:21,350 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:21,350 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:06:21,350 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:21,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:06:21,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:06:21,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 21:06:21,351 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:21,352 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 21:06:21,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:21,353 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:21,355 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:21,355 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:06:21,355 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:21,356 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:06:21,356 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:21,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:06:21,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:06:21,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 21:06:21,357 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:21,357 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-12 21:06:21,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:21,359 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:21,360 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:21,361 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:06:21,361 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:21,361 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:06:21,361 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:21,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:06:21,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:06:21,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 21:06:21,362 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:21,363 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-12 21:06:21,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:21,364 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:21,366 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:21,366 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:06:21,366 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:21,366 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:06:21,367 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:21,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:06:21,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:06:21,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 21:06:21,367 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:21,368 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-12 21:06:21,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:21,371 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:21,372 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:21,373 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:06:21,373 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:21,373 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:06:21,373 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:21,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:06:21,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:06:21,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 21:06:21,374 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:21,375 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-12 21:06:21,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:21,377 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:21,378 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:21,378 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:06:21,379 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:21,379 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:06:21,379 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:21,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:06:21,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:06:21,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 21:06:21,380 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:21,381 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-12 21:06:21,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:21,382 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:21,384 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:21,384 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:06:21,384 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:21,384 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:06:21,385 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:21,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:06:21,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:06:21,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 21:06:21,385 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:21,400 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2020-10-12 21:06:21,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:21,401 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:21,402 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:21,403 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:06:21,403 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:21,403 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:06:21,403 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:21,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:06:21,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 21:06:21,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:06:21,404 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:21,483 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2020-10-12 21:06:21,483 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1490946967] [2020-10-12 21:06:21,483 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 21:06:21,483 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-12 21:06:21,484 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [746199671] [2020-10-12 21:06:21,484 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-12 21:06:21,484 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 21:06:21,485 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-12 21:06:21,485 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2020-10-12 21:06:21,485 INFO L87 Difference]: Start difference. First operand 4267 states and 5488 transitions. Second operand 11 states. [2020-10-12 21:06:28,262 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 21:06:28,262 INFO L93 Difference]: Finished difference Result 16936 states and 23841 transitions. [2020-10-12 21:06:28,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-10-12 21:06:28,263 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 241 [2020-10-12 21:06:28,263 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 21:06:28,329 INFO L225 Difference]: With dead ends: 16936 [2020-10-12 21:06:28,329 INFO L226 Difference]: Without dead ends: 12695 [2020-10-12 21:06:28,352 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 96 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=177, Invalid=375, Unknown=0, NotChecked=0, Total=552 [2020-10-12 21:06:28,365 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12695 states. [2020-10-12 21:06:29,406 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12695 to 8848. [2020-10-12 21:06:29,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8848 states. [2020-10-12 21:06:29,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8848 states to 8848 states and 11740 transitions. [2020-10-12 21:06:29,425 INFO L78 Accepts]: Start accepts. Automaton has 8848 states and 11740 transitions. Word has length 241 [2020-10-12 21:06:29,425 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 21:06:29,426 INFO L479 AbstractCegarLoop]: Abstraction has 8848 states and 11740 transitions. [2020-10-12 21:06:29,426 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-12 21:06:29,426 INFO L276 IsEmpty]: Start isEmpty. Operand 8848 states and 11740 transitions. [2020-10-12 21:06:29,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 265 [2020-10-12 21:06:29,433 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 21:06:29,433 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 21:06:29,434 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-12 21:06:29,434 INFO L427 AbstractCegarLoop]: === Iteration 10 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 21:06:29,434 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 21:06:29,434 INFO L82 PathProgramCache]: Analyzing trace with hash 1662699683, now seen corresponding path program 1 times [2020-10-12 21:06:29,434 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 21:06:29,435 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [879352954] [2020-10-12 21:06:29,435 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 21:06:29,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:29,459 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:29,494 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:29,514 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:29,544 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:29,581 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:29,634 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:29,799 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:29,965 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:34,463 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:34,463 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 332 [2020-10-12 21:06:34,463 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-12 21:06:34,463 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5009 [2020-10-12 21:06:34,463 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:34,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 21:06:34,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 21:06:34,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 38 [2020-10-12 21:06:34,464 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:34,671 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:06:34,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:34,677 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:34,681 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:34,681 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:06:34,682 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:34,682 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 21:06:34,682 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:34,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:06:34,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:06:34,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 21:06:34,682 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:34,698 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 21:06:34,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:34,701 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:34,703 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:34,703 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:06:34,703 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:34,703 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:06:34,703 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:34,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:06:34,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:06:34,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 21:06:34,704 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:34,705 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 21:06:34,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:34,706 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:34,707 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:34,707 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 21:06:34,707 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:34,708 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:06:34,708 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:34,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:06:34,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:06:34,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 21:06:34,708 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:34,724 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-12 21:06:34,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:34,728 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:34,730 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:34,730 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-12 21:06:34,730 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:34,731 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 21:06:34,731 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:34,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:06:34,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:06:34,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-12 21:06:34,731 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:34,762 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-12 21:06:34,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:34,767 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:34,774 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:34,774 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-12 21:06:34,774 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:34,775 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-12 21:06:34,775 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:34,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:06:34,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 21:06:34,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-12 21:06:34,775 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:34,784 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-12 21:06:34,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:34,791 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:34,796 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:34,796 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-10-12 21:06:34,796 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:34,797 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 21:06:34,797 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:34,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:06:34,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 82 [2020-10-12 21:06:34,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:06:34,797 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:34,799 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:06:34,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:34,800 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:34,801 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:34,801 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:06:34,801 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:34,801 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:06:34,801 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:34,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:06:34,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:06:34,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:06:34,801 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:34,802 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 21:06:34,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:34,802 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:34,803 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:34,803 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:06:34,803 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:34,803 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:06:34,803 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:34,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:06:34,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:06:34,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:06:34,804 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:34,804 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-12 21:06:34,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:34,805 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:34,806 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:34,806 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:06:34,806 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:34,806 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:06:34,806 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:34,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:06:34,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:06:34,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:06:34,807 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:34,808 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-12 21:06:34,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:34,808 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:34,809 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:34,809 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:06:34,809 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:34,810 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:06:34,810 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:34,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:06:34,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:06:34,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:06:34,811 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:34,811 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-12 21:06:34,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:34,812 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:34,813 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:34,813 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:06:34,813 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:34,813 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:06:34,813 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:34,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:06:34,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:06:34,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:06:34,814 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:34,815 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-12 21:06:34,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:34,815 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:34,816 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:34,816 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:06:34,817 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:34,817 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:06:34,817 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:34,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:06:34,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:06:34,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:06:34,818 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:34,818 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-12 21:06:34,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:34,819 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:34,820 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:34,820 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:06:34,820 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:34,820 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:06:34,820 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:34,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:06:34,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:06:34,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:06:34,821 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:34,823 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-12 21:06:34,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:34,825 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:34,827 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:34,827 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-12 21:06:34,828 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:34,828 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:06:34,828 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:34,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:06:34,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-10-12 21:06:34,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:06:34,828 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:34,829 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-10-12 21:06:34,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:34,830 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:34,831 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:34,831 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:06:34,831 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:34,831 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:06:34,831 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:34,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:06:34,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 21:06:34,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:06:34,832 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:34,857 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2020-10-12 21:06:34,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:34,859 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:34,861 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:34,861 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:06:34,861 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:34,861 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:06:34,861 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:34,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:06:34,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 21:06:34,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:06:34,862 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:34,862 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2020-10-12 21:06:34,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:34,863 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:34,864 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:34,864 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:06:34,864 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:34,864 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:06:34,864 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:34,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:06:34,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 21:06:34,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:06:34,865 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:34,896 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2020-10-12 21:06:34,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:34,904 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:34,913 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:34,913 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 99 [2020-10-12 21:06:34,913 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:34,913 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-12 21:06:34,914 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:34,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:06:34,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 96 [2020-10-12 21:06:34,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:06:34,914 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:34,919 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 21:06:34,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:34,923 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:34,930 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:34,931 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 90 [2020-10-12 21:06:34,931 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:34,931 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 21:06:34,931 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:34,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:06:34,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:06:34,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:06:34,932 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:34,936 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:06:34,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:34,942 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:34,949 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:34,949 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-10-12 21:06:34,949 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:34,949 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 21:06:34,950 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:34,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:06:34,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:06:34,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:06:34,950 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:34,954 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:06:34,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:34,955 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:34,956 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:34,956 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:06:34,956 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:34,957 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:06:34,957 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:34,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:06:34,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:06:34,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:06:34,958 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:34,958 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 21:06:34,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:34,959 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:34,960 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:34,960 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:06:34,961 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:34,961 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:06:34,961 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:34,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:06:34,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:06:34,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:06:34,962 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:34,963 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-12 21:06:34,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:34,964 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:34,964 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:34,965 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:06:34,965 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:34,965 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:06:34,965 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:34,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:06:34,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:06:34,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:06:34,966 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:34,967 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-12 21:06:34,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:34,968 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:34,969 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:34,969 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:06:34,969 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:34,969 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:06:34,969 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:34,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:06:34,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:06:34,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:06:34,970 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:34,971 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-12 21:06:34,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:34,972 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:34,973 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:34,973 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:06:34,973 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:34,973 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:06:34,974 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:34,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:06:34,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:06:34,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:06:34,975 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:06:34,976 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-12 21:06:34,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:34,977 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:34,978 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:34,978 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:06:34,979 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:34,979 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:06:34,979 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:34,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:06:34,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:06:34,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:06:34,980 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:06:34,981 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-12 21:06:34,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:34,982 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:34,983 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:34,983 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:06:34,983 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:34,983 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:06:34,984 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:34,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:06:34,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:06:34,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:06:34,984 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:34,995 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2020-10-12 21:06:34,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:34,997 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:34,998 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:34,998 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:06:34,998 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:34,998 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:06:34,998 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:34,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:06:34,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 21:06:34,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:06:34,999 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:35,075 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2020-10-12 21:06:35,075 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [879352954] [2020-10-12 21:06:35,075 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 21:06:35,076 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-12 21:06:35,076 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1905334712] [2020-10-12 21:06:35,076 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-12 21:06:35,077 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 21:06:35,077 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-12 21:06:35,077 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2020-10-12 21:06:35,077 INFO L87 Difference]: Start difference. First operand 8848 states and 11740 transitions. Second operand 10 states. [2020-10-12 21:06:42,355 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 21:06:42,355 INFO L93 Difference]: Finished difference Result 33638 states and 45793 transitions. [2020-10-12 21:06:42,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-10-12 21:06:42,356 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 264 [2020-10-12 21:06:42,356 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 21:06:42,450 INFO L225 Difference]: With dead ends: 33638 [2020-10-12 21:06:42,450 INFO L226 Difference]: Without dead ends: 24819 [2020-10-12 21:06:42,484 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 144 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=177, Invalid=525, Unknown=0, NotChecked=0, Total=702 [2020-10-12 21:06:42,510 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24819 states. [2020-10-12 21:06:44,189 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24819 to 17868. [2020-10-12 21:06:44,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17868 states. [2020-10-12 21:06:44,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17868 states to 17868 states and 23759 transitions. [2020-10-12 21:06:44,229 INFO L78 Accepts]: Start accepts. Automaton has 17868 states and 23759 transitions. Word has length 264 [2020-10-12 21:06:44,230 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 21:06:44,230 INFO L479 AbstractCegarLoop]: Abstraction has 17868 states and 23759 transitions. [2020-10-12 21:06:44,230 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-12 21:06:44,230 INFO L276 IsEmpty]: Start isEmpty. Operand 17868 states and 23759 transitions. [2020-10-12 21:06:44,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2020-10-12 21:06:44,238 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 21:06:44,238 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 21:06:44,238 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-12 21:06:44,238 INFO L427 AbstractCegarLoop]: === Iteration 11 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 21:06:44,238 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 21:06:44,239 INFO L82 PathProgramCache]: Analyzing trace with hash 1561715536, now seen corresponding path program 1 times [2020-10-12 21:06:44,239 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 21:06:44,239 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1107491] [2020-10-12 21:06:44,239 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 21:06:44,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:44,274 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:44,295 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:44,341 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:44,390 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:44,419 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:44,478 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:44,548 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:44,572 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:44,594 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:44,615 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:49,266 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:49,266 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 305 [2020-10-12 21:06:49,266 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 10 [2020-10-12 21:06:49,266 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-12 21:06:49,267 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:49,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 21:06:49,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 21:06:49,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 46 [2020-10-12 21:06:49,267 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:49,368 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:06:49,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:49,373 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:49,378 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:49,379 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:06:49,379 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:49,379 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 21:06:49,379 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:49,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:06:49,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:06:49,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 21:06:49,379 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:49,396 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 21:06:49,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:49,398 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:49,400 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:49,400 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:06:49,400 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:49,400 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:06:49,400 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:49,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:06:49,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:06:49,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 21:06:49,401 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:49,401 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 21:06:49,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:49,402 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:49,403 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:49,403 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 21:06:49,403 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:49,403 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:06:49,403 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:49,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:06:49,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:06:49,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 21:06:49,404 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:49,419 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-12 21:06:49,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:49,423 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:49,426 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:49,427 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-12 21:06:49,427 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:49,427 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 21:06:49,427 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:49,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:06:49,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:06:49,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-12 21:06:49,428 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:49,459 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-12 21:06:49,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:49,463 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:49,470 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:49,470 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-12 21:06:49,470 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:49,470 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 21:06:49,470 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:49,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:06:49,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 21:06:49,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-12 21:06:49,471 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:49,492 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-12 21:06:49,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:49,501 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:49,506 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:49,506 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-10-12 21:06:49,506 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:49,506 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 21:06:49,506 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:49,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:06:49,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 82 [2020-10-12 21:06:49,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:06:49,507 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:49,510 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:06:49,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:49,511 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:49,512 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:49,512 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:06:49,512 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:49,512 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:06:49,512 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:49,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:06:49,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:06:49,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:06:49,513 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:49,514 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 21:06:49,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:49,514 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:49,515 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:49,515 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:06:49,516 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:49,516 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:06:49,516 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:49,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:06:49,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:06:49,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:06:49,517 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:49,517 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-12 21:06:49,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:49,518 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:49,519 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:49,519 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:06:49,519 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:49,519 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:06:49,519 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:49,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:06:49,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:06:49,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:06:49,520 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:49,520 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-12 21:06:49,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:49,521 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:49,521 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:49,521 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:06:49,522 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:49,522 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:06:49,522 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:49,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:06:49,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:06:49,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:06:49,522 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:49,523 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-12 21:06:49,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:49,523 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:49,524 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:49,524 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:06:49,524 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:49,524 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:06:49,524 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:49,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:06:49,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:06:49,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:06:49,525 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:49,525 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-12 21:06:49,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:49,525 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:49,526 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:49,526 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:06:49,526 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:49,526 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:06:49,526 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:49,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:06:49,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:06:49,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:06:49,527 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:49,527 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-12 21:06:49,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:49,528 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:49,528 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:49,528 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:06:49,528 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:49,529 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:06:49,529 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:49,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:06:49,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:06:49,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:06:49,529 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:49,531 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-12 21:06:49,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:49,533 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:49,534 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:49,535 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-12 21:06:49,535 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:49,535 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:06:49,535 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:49,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:06:49,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-10-12 21:06:49,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:06:49,535 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:49,536 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-10-12 21:06:49,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:49,537 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:49,538 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:49,538 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:06:49,538 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:49,538 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:06:49,538 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:49,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:06:49,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 21:06:49,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:06:49,539 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:49,567 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2020-10-12 21:06:49,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:49,575 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:49,581 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:49,582 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 99 [2020-10-12 21:06:49,582 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:49,582 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-12 21:06:49,582 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:49,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:06:49,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 96 [2020-10-12 21:06:49,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:06:49,582 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:49,586 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 21:06:49,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:49,589 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:49,595 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:49,595 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 90 [2020-10-12 21:06:49,595 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:49,595 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 21:06:49,596 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:49,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:06:49,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:06:49,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:06:49,596 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:49,599 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:06:49,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:49,601 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:49,605 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:49,605 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-10-12 21:06:49,605 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:49,606 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 21:06:49,606 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:49,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:06:49,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:06:49,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:06:49,606 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:49,609 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:06:49,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:49,609 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:49,610 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:49,610 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:06:49,610 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:49,610 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:06:49,610 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:49,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:06:49,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:06:49,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:06:49,611 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:49,611 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 21:06:49,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:49,612 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:49,613 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:49,613 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:06:49,613 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:49,613 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:06:49,613 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:49,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:06:49,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:06:49,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:06:49,614 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:49,614 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-12 21:06:49,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:49,615 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:49,615 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:49,615 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:06:49,616 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:49,616 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:06:49,616 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:49,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:06:49,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:06:49,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:06:49,616 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:49,617 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-12 21:06:49,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:49,617 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:49,618 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:49,618 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:06:49,618 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:49,618 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:06:49,619 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:49,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:06:49,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:06:49,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:06:49,619 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:49,620 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-12 21:06:49,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:49,620 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:49,621 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:49,621 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:06:49,621 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:49,621 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:06:49,621 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:49,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:06:49,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:06:49,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:06:49,622 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:49,622 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-12 21:06:49,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:49,623 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:49,623 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:49,623 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:06:49,623 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:49,624 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:06:49,624 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:49,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:06:49,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:06:49,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:06:49,624 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:49,625 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-12 21:06:49,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:49,625 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:49,626 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:49,626 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:06:49,626 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:49,626 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:06:49,626 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:49,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:06:49,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:06:49,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:06:49,627 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:49,632 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2020-10-12 21:06:49,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:49,633 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:49,633 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:49,634 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:06:49,634 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:49,634 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:06:49,634 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:49,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:06:49,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 21:06:49,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:06:49,634 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:49,668 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2020-10-12 21:06:49,668 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1107491] [2020-10-12 21:06:49,668 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 21:06:49,668 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-12 21:06:49,669 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1752891485] [2020-10-12 21:06:49,669 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-12 21:06:49,669 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 21:06:49,669 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-12 21:06:49,670 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2020-10-12 21:06:49,670 INFO L87 Difference]: Start difference. First operand 17868 states and 23759 transitions. Second operand 10 states. [2020-10-12 21:06:54,680 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 21:06:54,680 INFO L93 Difference]: Finished difference Result 44495 states and 61941 transitions. [2020-10-12 21:06:54,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-12 21:06:54,681 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 241 [2020-10-12 21:06:54,681 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 21:06:54,785 INFO L225 Difference]: With dead ends: 44495 [2020-10-12 21:06:54,785 INFO L226 Difference]: Without dead ends: 26656 [2020-10-12 21:06:54,840 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=99, Invalid=243, Unknown=0, NotChecked=0, Total=342 [2020-10-12 21:06:54,865 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26656 states. [2020-10-12 21:06:57,247 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26656 to 20828. [2020-10-12 21:06:57,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20828 states. [2020-10-12 21:06:57,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20828 states to 20828 states and 27181 transitions. [2020-10-12 21:06:57,293 INFO L78 Accepts]: Start accepts. Automaton has 20828 states and 27181 transitions. Word has length 241 [2020-10-12 21:06:57,294 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 21:06:57,294 INFO L479 AbstractCegarLoop]: Abstraction has 20828 states and 27181 transitions. [2020-10-12 21:06:57,294 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-12 21:06:57,294 INFO L276 IsEmpty]: Start isEmpty. Operand 20828 states and 27181 transitions. [2020-10-12 21:06:57,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2020-10-12 21:06:57,304 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 21:06:57,305 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 21:06:57,305 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-12 21:06:57,305 INFO L427 AbstractCegarLoop]: === Iteration 12 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 21:06:57,305 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 21:06:57,305 INFO L82 PathProgramCache]: Analyzing trace with hash -1336739533, now seen corresponding path program 1 times [2020-10-12 21:06:57,306 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 21:06:57,306 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [979265133] [2020-10-12 21:06:57,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 21:06:57,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:57,349 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:57,369 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:57,418 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:57,445 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:57,472 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:58,341 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:58,411 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:58,423 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:58,438 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:58,787 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:02,342 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:02,343 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 305 [2020-10-12 21:07:02,343 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 10 [2020-10-12 21:07:02,343 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5006 [2020-10-12 21:07:02,343 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:02,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 21:07:02,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 21:07:02,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 44 [2020-10-12 21:07:02,344 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:02,445 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:07:02,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:02,451 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:02,455 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:02,455 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:07:02,455 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:02,456 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 21:07:02,456 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:02,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:07:02,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:07:02,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 21:07:02,456 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:02,474 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 21:07:02,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:02,476 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:02,478 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:02,478 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:07:02,478 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:02,478 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:07:02,478 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:02,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:07:02,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:07:02,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 21:07:02,479 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:02,480 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 21:07:02,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:02,480 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:02,481 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:02,481 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 21:07:02,481 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:02,481 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:07:02,481 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:02,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:07:02,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:07:02,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 21:07:02,482 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:02,497 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-12 21:07:02,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:02,500 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:02,503 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:02,503 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-12 21:07:02,503 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:02,503 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 21:07:02,504 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:02,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:07:02,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:07:02,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-12 21:07:02,504 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:02,544 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-12 21:07:02,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:02,548 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:02,556 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:02,556 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-12 21:07:02,556 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:02,556 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-12 21:07:02,556 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:02,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:07:02,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 21:07:02,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-12 21:07:02,557 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:02,575 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-12 21:07:02,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:02,583 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:02,586 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:02,606 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:02,607 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-10-12 21:07:02,607 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 21:07:02,607 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-12 21:07:02,607 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:02,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 21:07:02,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-10-12 21:07:02,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 21:07:02,608 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:02,637 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:07:02,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:02,638 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:02,639 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:02,639 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:07:02,639 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:02,640 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:07:02,640 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:02,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:07:02,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:07:02,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:07:02,640 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:02,641 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 21:07:02,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:02,642 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:02,643 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:02,643 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:07:02,644 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:02,644 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:07:02,644 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:02,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:07:02,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:07:02,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 21:07:02,644 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:02,666 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-12 21:07:02,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:02,668 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:02,669 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:02,670 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:07:02,670 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:02,670 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:07:02,670 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:02,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:07:02,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:07:02,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:07:02,671 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:02,671 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-12 21:07:02,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:02,672 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:02,673 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:02,673 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:07:02,673 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:02,673 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:07:02,673 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:02,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:07:02,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:07:02,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:07:02,674 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:02,674 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-12 21:07:02,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:02,675 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:02,676 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:02,676 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:07:02,676 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:02,676 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:07:02,677 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:02,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:07:02,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:07:02,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:07:02,677 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:02,678 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-12 21:07:02,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:02,679 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:02,680 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:02,680 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:07:02,680 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:02,680 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:07:02,681 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:02,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:07:02,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:07:02,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:07:02,681 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:02,682 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-12 21:07:02,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:02,683 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:02,684 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:02,684 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:07:02,684 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:02,684 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:07:02,685 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:02,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:07:02,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:07:02,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:07:02,685 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:02,688 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-12 21:07:02,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:02,690 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:02,692 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:02,692 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-12 21:07:02,692 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:02,692 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:07:02,693 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:02,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:07:02,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-10-12 21:07:02,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:07:02,693 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:02,694 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-10-12 21:07:02,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:02,695 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:02,696 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:02,696 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:07:02,696 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:02,696 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:07:02,696 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:02,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:07:02,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 21:07:02,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:07:02,697 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:02,730 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2020-10-12 21:07:02,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:02,739 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:02,745 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:02,745 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 99 [2020-10-12 21:07:02,745 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:02,746 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-12 21:07:02,746 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:02,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:07:02,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 96 [2020-10-12 21:07:02,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:07:02,746 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:02,749 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 21:07:02,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:02,752 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:02,756 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:02,756 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 90 [2020-10-12 21:07:02,756 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:02,756 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 21:07:02,756 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:02,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:07:02,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:07:02,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:07:02,757 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:02,759 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:07:02,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:02,761 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:02,765 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:02,765 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-10-12 21:07:02,765 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:02,766 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 21:07:02,766 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:02,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:07:02,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:07:02,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:07:02,766 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:02,768 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:07:02,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:02,769 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:02,770 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:02,770 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:07:02,770 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:02,770 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:07:02,770 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:02,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:07:02,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:07:02,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:07:02,771 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:02,771 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 21:07:02,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:02,772 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:02,772 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:02,772 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:07:02,772 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:02,773 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:07:02,773 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:02,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:07:02,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:07:02,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:07:02,773 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:02,774 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-12 21:07:02,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:02,774 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:02,775 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:02,775 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:07:02,775 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:02,775 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:07:02,775 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:02,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:07:02,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:07:02,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:07:02,776 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:02,776 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-12 21:07:02,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:02,777 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:02,778 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:02,778 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:07:02,778 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:02,779 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:07:02,779 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:02,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:07:02,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:07:02,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:07:02,780 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:02,780 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-12 21:07:02,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:02,781 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:02,782 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:02,782 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:07:02,782 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:02,783 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:07:02,783 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:02,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:07:02,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:07:02,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:07:02,784 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:02,784 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-12 21:07:02,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:02,785 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:02,785 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:02,786 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:07:02,786 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:02,786 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:07:02,786 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:02,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:07:02,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:07:02,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:07:02,786 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:02,787 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-12 21:07:02,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:02,788 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:02,788 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:02,788 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:07:02,788 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:02,788 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:07:02,789 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:02,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:07:02,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:07:02,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:07:02,789 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:02,794 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2020-10-12 21:07:02,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:02,795 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:02,796 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:02,796 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:07:02,796 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:02,796 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:07:02,796 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:02,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:07:02,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 21:07:02,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:07:02,797 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:02,930 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 1 proven. 22 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2020-10-12 21:07:02,930 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [979265133] [2020-10-12 21:07:02,931 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 21:07:02,931 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2020-10-12 21:07:02,931 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1812403717] [2020-10-12 21:07:02,932 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-12 21:07:02,932 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 21:07:02,932 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-12 21:07:02,932 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=150, Unknown=0, NotChecked=0, Total=182 [2020-10-12 21:07:02,933 INFO L87 Difference]: Start difference. First operand 20828 states and 27181 transitions. Second operand 14 states. [2020-10-12 21:07:03,884 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2020-10-12 21:07:04,127 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-10-12 21:07:09,521 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 21:07:09,522 INFO L93 Difference]: Finished difference Result 47003 states and 63954 transitions. [2020-10-12 21:07:09,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-10-12 21:07:09,522 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 241 [2020-10-12 21:07:09,522 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 21:07:09,599 INFO L225 Difference]: With dead ends: 47003 [2020-10-12 21:07:09,599 INFO L226 Difference]: Without dead ends: 26204 [2020-10-12 21:07:09,649 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 87 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=167, Invalid=483, Unknown=0, NotChecked=0, Total=650 [2020-10-12 21:07:09,672 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26204 states. [2020-10-12 21:07:11,423 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26204 to 20988. [2020-10-12 21:07:11,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20988 states. [2020-10-12 21:07:11,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20988 states to 20988 states and 27093 transitions. [2020-10-12 21:07:11,468 INFO L78 Accepts]: Start accepts. Automaton has 20988 states and 27093 transitions. Word has length 241 [2020-10-12 21:07:11,468 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 21:07:11,469 INFO L479 AbstractCegarLoop]: Abstraction has 20988 states and 27093 transitions. [2020-10-12 21:07:11,469 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-12 21:07:11,469 INFO L276 IsEmpty]: Start isEmpty. Operand 20988 states and 27093 transitions. [2020-10-12 21:07:11,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2020-10-12 21:07:11,480 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 21:07:11,480 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 21:07:11,480 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-12 21:07:11,480 INFO L427 AbstractCegarLoop]: === Iteration 13 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 21:07:11,481 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 21:07:11,481 INFO L82 PathProgramCache]: Analyzing trace with hash 1410140917, now seen corresponding path program 1 times [2020-10-12 21:07:11,481 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 21:07:11,481 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [330911282] [2020-10-12 21:07:11,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 21:07:11,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:11,515 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:11,536 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:11,805 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:11,835 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:12,118 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:12,134 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:12,149 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:12,199 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:16,505 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:16,506 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 305 [2020-10-12 21:07:16,506 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-12 21:07:16,506 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-12 21:07:16,506 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:16,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 21:07:16,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 21:07:16,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 45 [2020-10-12 21:07:16,507 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:16,616 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:07:16,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:16,623 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:16,630 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:16,630 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:07:16,630 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:16,630 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-12 21:07:16,631 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:16,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:07:16,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:07:16,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 21:07:16,631 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:16,663 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 21:07:16,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:16,666 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:16,667 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:16,667 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:07:16,667 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:16,667 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:07:16,667 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:16,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:07:16,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:07:16,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 21:07:16,668 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:16,669 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 21:07:16,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:16,669 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:16,670 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:16,670 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 21:07:16,670 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:16,670 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:07:16,670 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:16,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:07:16,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:07:16,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 21:07:16,671 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:16,687 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-12 21:07:16,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:16,690 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:16,692 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:16,692 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-12 21:07:16,693 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:16,693 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 21:07:16,693 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:16,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:07:16,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:07:16,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-12 21:07:16,693 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:16,725 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-12 21:07:16,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:16,729 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:16,735 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:16,735 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-12 21:07:16,736 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:16,736 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 21:07:16,736 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:16,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:07:16,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 21:07:16,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-12 21:07:16,736 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:16,754 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-12 21:07:16,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:16,762 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:16,766 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:16,766 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-10-12 21:07:16,767 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:16,767 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 21:07:16,767 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:16,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:07:16,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 82 [2020-10-12 21:07:16,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:07:16,767 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:16,770 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:07:16,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:16,771 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:16,772 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:16,772 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:07:16,772 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:16,772 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:07:16,772 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:16,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:07:16,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:07:16,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:07:16,773 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:16,773 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 21:07:16,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:16,774 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:16,774 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:16,774 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:07:16,774 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:16,775 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:07:16,775 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:16,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:07:16,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:07:16,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:07:16,775 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:16,776 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-12 21:07:16,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:16,776 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:16,777 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:16,777 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:07:16,777 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:16,777 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:07:16,777 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:16,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:07:16,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:07:16,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:07:16,778 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:16,778 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-12 21:07:16,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:16,779 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:16,779 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:16,780 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:07:16,780 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:16,780 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:07:16,780 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:16,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:07:16,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:07:16,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:07:16,781 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:16,781 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-12 21:07:16,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:16,782 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:16,782 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:16,782 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:07:16,783 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:16,783 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:07:16,783 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:16,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:07:16,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:07:16,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:07:16,783 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:16,784 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-12 21:07:16,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:16,784 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:16,785 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:16,785 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:07:16,785 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:16,786 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:07:16,786 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:16,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:07:16,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:07:16,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:07:16,786 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:16,787 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-12 21:07:16,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:16,787 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:16,788 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:16,788 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:07:16,788 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:16,788 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:07:16,788 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:16,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:07:16,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:07:16,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:07:16,789 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:16,790 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-12 21:07:16,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:16,792 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:16,794 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:16,794 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-12 21:07:16,794 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:16,794 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:07:16,794 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:16,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:07:16,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-10-12 21:07:16,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:07:16,795 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:16,796 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-10-12 21:07:16,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:16,797 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:16,798 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:16,798 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:07:16,798 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:16,798 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:07:16,798 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:16,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:07:16,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 21:07:16,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:07:16,799 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:16,828 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2020-10-12 21:07:16,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:16,836 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:16,842 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:16,842 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 99 [2020-10-12 21:07:16,842 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:16,842 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-12 21:07:16,843 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:16,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:07:16,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 96 [2020-10-12 21:07:16,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:07:16,843 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:16,846 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 21:07:16,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:16,850 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:16,855 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:16,856 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 90 [2020-10-12 21:07:16,856 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:16,856 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 21:07:16,856 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:16,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:07:16,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:07:16,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:07:16,856 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:16,859 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:07:16,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:16,861 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:16,867 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:16,867 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-10-12 21:07:16,867 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:16,867 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 21:07:16,867 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:16,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:07:16,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:07:16,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:07:16,868 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:16,870 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:07:16,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:16,871 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:16,872 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:16,872 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:07:16,872 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:16,872 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:07:16,872 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:16,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:07:16,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:07:16,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:07:16,873 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:16,873 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 21:07:16,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:16,874 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:16,874 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:16,874 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:07:16,874 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:16,875 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:07:16,875 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:16,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:07:16,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:07:16,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:07:16,875 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:16,876 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-12 21:07:16,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:16,876 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:16,877 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:16,877 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:07:16,877 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:16,877 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:07:16,877 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:16,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:07:16,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:07:16,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:07:16,878 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:16,878 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-12 21:07:16,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:16,879 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:16,880 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:16,880 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:07:16,880 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:16,880 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:07:16,880 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:16,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:07:16,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:07:16,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:07:16,881 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:16,882 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-12 21:07:16,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:16,882 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:16,883 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:16,883 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:07:16,883 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:16,883 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:07:16,883 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:16,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:07:16,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:07:16,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:07:16,884 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:16,884 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-12 21:07:16,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:16,885 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:16,886 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:16,886 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:07:16,886 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:16,886 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:07:16,886 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:16,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:07:16,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:07:16,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:07:16,887 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:16,887 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-12 21:07:16,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:16,888 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:16,888 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:16,888 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:07:16,888 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:16,888 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:07:16,889 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:16,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:07:16,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:07:16,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:07:16,889 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:16,894 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2020-10-12 21:07:16,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:16,895 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:16,896 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:16,896 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:07:16,896 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:16,896 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:07:16,896 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:16,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:07:16,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 21:07:16,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:07:16,897 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:16,931 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2020-10-12 21:07:16,932 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [330911282] [2020-10-12 21:07:16,932 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 21:07:16,932 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-12 21:07:16,932 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [620854770] [2020-10-12 21:07:16,932 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-12 21:07:16,933 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 21:07:16,933 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-12 21:07:16,933 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2020-10-12 21:07:16,933 INFO L87 Difference]: Start difference. First operand 20988 states and 27093 transitions. Second operand 11 states. [2020-10-12 21:07:23,597 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 21:07:23,597 INFO L93 Difference]: Finished difference Result 50411 states and 69334 transitions. [2020-10-12 21:07:23,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-10-12 21:07:23,598 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 241 [2020-10-12 21:07:23,598 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 21:07:23,701 INFO L225 Difference]: With dead ends: 50411 [2020-10-12 21:07:23,701 INFO L226 Difference]: Without dead ends: 29452 [2020-10-12 21:07:23,762 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 83 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=145, Invalid=361, Unknown=0, NotChecked=0, Total=506 [2020-10-12 21:07:23,788 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29452 states. [2020-10-12 21:07:25,959 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29452 to 23232. [2020-10-12 21:07:25,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23232 states. [2020-10-12 21:07:26,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23232 states to 23232 states and 29309 transitions. [2020-10-12 21:07:26,012 INFO L78 Accepts]: Start accepts. Automaton has 23232 states and 29309 transitions. Word has length 241 [2020-10-12 21:07:26,012 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 21:07:26,012 INFO L479 AbstractCegarLoop]: Abstraction has 23232 states and 29309 transitions. [2020-10-12 21:07:26,012 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-12 21:07:26,012 INFO L276 IsEmpty]: Start isEmpty. Operand 23232 states and 29309 transitions. [2020-10-12 21:07:26,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 265 [2020-10-12 21:07:26,019 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 21:07:26,019 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 21:07:26,019 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-12 21:07:26,019 INFO L427 AbstractCegarLoop]: === Iteration 14 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 21:07:26,020 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 21:07:26,020 INFO L82 PathProgramCache]: Analyzing trace with hash -943870052, now seen corresponding path program 1 times [2020-10-12 21:07:26,020 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 21:07:26,020 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2144810522] [2020-10-12 21:07:26,020 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 21:07:26,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:26,044 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:26,057 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:26,076 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:26,109 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:26,137 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:26,159 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:26,283 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:26,406 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:26,501 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:26,602 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:31,050 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:31,050 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 332 [2020-10-12 21:07:31,050 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 10 [2020-10-12 21:07:31,050 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5014 [2020-10-12 21:07:31,051 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:31,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 21:07:31,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 36 [2020-10-12 21:07:31,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 157 [2020-10-12 21:07:31,051 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:31,162 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:07:31,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:31,165 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:31,168 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:31,168 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:07:31,168 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:31,168 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 21:07:31,169 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:31,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:07:31,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:07:31,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:07:31,169 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:31,191 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 21:07:31,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:31,192 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:31,193 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:31,193 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:07:31,194 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:31,194 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:07:31,194 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:31,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:07:31,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:07:31,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:07:31,194 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:31,195 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 21:07:31,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:31,196 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:31,196 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:31,196 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 21:07:31,196 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:31,196 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:07:31,196 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:31,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:07:31,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:07:31,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:07:31,197 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:31,212 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-12 21:07:31,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:31,215 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:31,219 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:31,219 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-12 21:07:31,219 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:31,219 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 21:07:31,219 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:31,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:07:31,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:07:31,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 21:07:31,220 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:31,251 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-12 21:07:31,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:31,254 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:31,258 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:31,258 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-12 21:07:31,258 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:31,258 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 21:07:31,258 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:31,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:07:31,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:07:31,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-12 21:07:31,259 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:31,260 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-12 21:07:31,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:31,265 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:31,277 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:31,278 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-10-12 21:07:31,278 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:31,278 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-12 21:07:31,278 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:31,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:07:31,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 21:07:31,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 85 [2020-10-12 21:07:31,278 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:31,291 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:07:31,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:31,292 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:31,293 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:31,294 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:07:31,294 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:31,294 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:07:31,294 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:31,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:07:31,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:07:31,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 21:07:31,294 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:31,295 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 21:07:31,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:31,296 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:31,297 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:31,297 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:07:31,297 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:31,297 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:07:31,297 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:31,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:07:31,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:07:31,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 21:07:31,298 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:31,298 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-12 21:07:31,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:31,299 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:31,300 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:31,300 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:07:31,300 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:31,300 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:07:31,300 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:31,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:07:31,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:07:31,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 21:07:31,301 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:31,301 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-12 21:07:31,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:31,302 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:31,303 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:31,303 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:07:31,303 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:31,303 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:07:31,303 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:31,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:07:31,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:07:31,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 21:07:31,304 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:31,304 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-12 21:07:31,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:31,305 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:31,306 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:31,306 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:07:31,306 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:31,306 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:07:31,306 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:31,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:07:31,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:07:31,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 21:07:31,307 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:31,307 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-12 21:07:31,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:31,308 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:31,309 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:31,309 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:07:31,309 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:31,309 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:07:31,309 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:31,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:07:31,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:07:31,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 21:07:31,310 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:31,310 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-12 21:07:31,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:31,311 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:31,312 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:31,312 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:07:31,312 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:31,312 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:07:31,312 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:31,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:07:31,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:07:31,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 21:07:31,313 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:31,315 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-12 21:07:31,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:31,318 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:31,323 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:31,323 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-12 21:07:31,323 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:31,323 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 21:07:31,323 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:31,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:07:31,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:07:31,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-12 21:07:31,324 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:31,326 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-10-12 21:07:31,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:31,327 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:31,329 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:31,329 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:07:31,329 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:31,329 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:07:31,329 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:31,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:07:31,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:07:31,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 21:07:31,330 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:31,354 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2020-10-12 21:07:31,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:31,357 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:31,362 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:31,362 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:07:31,362 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:31,362 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 21:07:31,363 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:31,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:07:31,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 21:07:31,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-12 21:07:31,363 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:31,373 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2020-10-12 21:07:31,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:31,374 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:31,375 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:31,376 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:07:31,376 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:31,376 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:07:31,376 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:31,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:07:31,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 21:07:31,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:07:31,377 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:31,404 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2020-10-12 21:07:31,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:31,413 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:31,419 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:31,419 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 99 [2020-10-12 21:07:31,419 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:31,419 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-12 21:07:31,419 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:31,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:07:31,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 96 [2020-10-12 21:07:31,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:07:31,420 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:31,423 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 21:07:31,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:31,425 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:31,429 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:31,429 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 90 [2020-10-12 21:07:31,430 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:31,430 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 21:07:31,430 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:31,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:07:31,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:07:31,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:07:31,430 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:31,433 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:07:31,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:31,434 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:31,438 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:31,439 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-10-12 21:07:31,439 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:31,439 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 21:07:31,439 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:31,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:07:31,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:07:31,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:07:31,439 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:31,442 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:07:31,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:31,442 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:31,443 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:31,443 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:07:31,443 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:31,443 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:07:31,444 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:31,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:07:31,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:07:31,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:07:31,444 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:31,444 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 21:07:31,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:31,445 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:31,446 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:31,446 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:07:31,446 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:31,446 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:07:31,446 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:31,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:07:31,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:07:31,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:07:31,447 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:31,447 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-12 21:07:31,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:31,448 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:31,448 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:31,448 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:07:31,448 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:31,449 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:07:31,449 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:31,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:07:31,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:07:31,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:07:31,449 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:31,450 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-12 21:07:31,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:31,450 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:31,451 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:31,451 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:07:31,451 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:31,451 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:07:31,451 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:31,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:07:31,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:07:31,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:07:31,452 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:31,452 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-12 21:07:31,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:31,453 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:31,453 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:31,453 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:07:31,453 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:31,453 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:07:31,454 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:31,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:07:31,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:07:31,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:07:31,454 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:31,455 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-12 21:07:31,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:31,455 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:31,456 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:31,456 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:07:31,456 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:31,456 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:07:31,456 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:31,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:07:31,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:07:31,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:07:31,457 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:31,457 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-12 21:07:31,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:31,458 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:31,458 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:31,458 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:07:31,458 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:31,458 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:07:31,459 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:31,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:07:31,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:07:31,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:07:31,459 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:31,464 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2020-10-12 21:07:31,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:31,465 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:31,466 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:31,466 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:07:31,466 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:31,466 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:07:31,466 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:31,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:07:31,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 21:07:31,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:07:31,467 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:31,512 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 17 proven. 23 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2020-10-12 21:07:31,512 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2144810522] [2020-10-12 21:07:31,512 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 21:07:31,513 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-10-12 21:07:31,513 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2046159494] [2020-10-12 21:07:31,513 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-12 21:07:31,513 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 21:07:31,513 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-12 21:07:31,514 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2020-10-12 21:07:31,514 INFO L87 Difference]: Start difference. First operand 23232 states and 29309 transitions. Second operand 10 states. [2020-10-12 21:07:41,906 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 21:07:41,907 INFO L93 Difference]: Finished difference Result 81908 states and 116340 transitions. [2020-10-12 21:07:41,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-10-12 21:07:41,907 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 264 [2020-10-12 21:07:41,908 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 21:07:42,067 INFO L225 Difference]: With dead ends: 81908 [2020-10-12 21:07:42,067 INFO L226 Difference]: Without dead ends: 58709 [2020-10-12 21:07:42,128 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 66 SyntacticMatches, 2 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 130 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=174, Invalid=426, Unknown=0, NotChecked=0, Total=600 [2020-10-12 21:07:42,179 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58709 states. [2020-10-12 21:07:48,428 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58709 to 46182. [2020-10-12 21:07:48,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 46182 states. [2020-10-12 21:07:48,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46182 states to 46182 states and 62031 transitions. [2020-10-12 21:07:48,544 INFO L78 Accepts]: Start accepts. Automaton has 46182 states and 62031 transitions. Word has length 264 [2020-10-12 21:07:48,545 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 21:07:48,545 INFO L479 AbstractCegarLoop]: Abstraction has 46182 states and 62031 transitions. [2020-10-12 21:07:48,545 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-12 21:07:48,545 INFO L276 IsEmpty]: Start isEmpty. Operand 46182 states and 62031 transitions. [2020-10-12 21:07:48,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2020-10-12 21:07:48,559 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 21:07:48,559 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 21:07:48,559 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-12 21:07:48,559 INFO L427 AbstractCegarLoop]: === Iteration 15 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 21:07:48,560 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 21:07:48,560 INFO L82 PathProgramCache]: Analyzing trace with hash -374894861, now seen corresponding path program 1 times [2020-10-12 21:07:48,560 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 21:07:48,560 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1124059156] [2020-10-12 21:07:48,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 21:07:48,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:48,594 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:48,609 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:48,627 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:48,658 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:48,676 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:48,916 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:48,971 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:49,184 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:53,591 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:53,591 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 305 [2020-10-12 21:07:53,591 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-12 21:07:53,591 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5009 [2020-10-12 21:07:53,591 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:53,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 21:07:53,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 21:07:53,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-12 21:07:53,592 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:53,690 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:07:53,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:53,695 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:53,700 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:53,700 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:07:53,700 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:53,701 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 21:07:53,701 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:53,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:07:53,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:07:53,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 21:07:53,701 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:53,727 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 21:07:53,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:53,729 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:53,731 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:53,731 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:07:53,732 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:53,732 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:07:53,732 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:53,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:07:53,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:07:53,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 21:07:53,732 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:53,733 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 21:07:53,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:53,734 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:53,734 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:53,734 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 21:07:53,734 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:53,735 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:07:53,735 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:53,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:07:53,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:07:53,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 21:07:53,735 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:53,751 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-12 21:07:53,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:53,755 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:53,757 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:53,757 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-12 21:07:53,758 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:53,758 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 21:07:53,758 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:53,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:07:53,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:07:53,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-12 21:07:53,758 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:53,790 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-12 21:07:53,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:53,794 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:53,801 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:53,801 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-12 21:07:53,801 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:53,801 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-12 21:07:53,801 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:53,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:07:53,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 21:07:53,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-12 21:07:53,802 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:53,821 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-12 21:07:53,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:53,829 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:53,833 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:53,833 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-10-12 21:07:53,834 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:53,834 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 21:07:53,834 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:53,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:07:53,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 82 [2020-10-12 21:07:53,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:07:53,834 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:53,836 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:07:53,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:53,837 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:53,838 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:53,838 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:07:53,838 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:53,838 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:07:53,838 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:53,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:07:53,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:07:53,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:07:53,839 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:53,840 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 21:07:53,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:53,840 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:53,841 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:53,841 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:07:53,841 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:53,841 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:07:53,841 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:53,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:07:53,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:07:53,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:07:53,842 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:53,842 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-12 21:07:53,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:53,842 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:53,843 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:53,843 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:07:53,843 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:53,843 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:07:53,843 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:53,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:07:53,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:07:53,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:07:53,844 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:53,844 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-12 21:07:53,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:53,845 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:53,845 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:53,845 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:07:53,845 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:53,846 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:07:53,846 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:53,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:07:53,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:07:53,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:07:53,846 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:53,846 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-12 21:07:53,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:53,847 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:53,847 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:53,848 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:07:53,848 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:53,848 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:07:53,848 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:53,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:07:53,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:07:53,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:07:53,848 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:53,849 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-12 21:07:53,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:53,849 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:53,850 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:53,850 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:07:53,850 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:53,850 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:07:53,850 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:53,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:07:53,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:07:53,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:07:53,851 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:53,851 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-12 21:07:53,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:53,851 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:53,852 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:53,852 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:07:53,852 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:53,852 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:07:53,852 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:53,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:07:53,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:07:53,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:07:53,853 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:53,855 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-12 21:07:53,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:53,856 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:53,858 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:53,858 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-12 21:07:53,858 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:53,858 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:07:53,858 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:53,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:07:53,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-10-12 21:07:53,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:07:53,859 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:53,860 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-10-12 21:07:53,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:53,861 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:53,861 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:53,861 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:07:53,861 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:53,862 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:07:53,862 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:53,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:07:53,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 21:07:53,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:07:53,862 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:53,891 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2020-10-12 21:07:53,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:53,899 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:53,905 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:53,905 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 99 [2020-10-12 21:07:53,905 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:53,905 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-12 21:07:53,905 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:53,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:07:53,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 96 [2020-10-12 21:07:53,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:07:53,906 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:53,909 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 21:07:53,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:53,912 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:53,919 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:53,920 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 90 [2020-10-12 21:07:53,920 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:53,920 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 21:07:53,920 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:53,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:07:53,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:07:53,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:07:53,921 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:53,925 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:07:53,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:53,927 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:53,933 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:53,934 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-10-12 21:07:53,934 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:53,934 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 21:07:53,934 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:53,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:07:53,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:07:53,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:07:53,935 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:53,939 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:07:53,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:53,940 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:53,941 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:53,941 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:07:53,941 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:53,941 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:07:53,941 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:53,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:07:53,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:07:53,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:07:53,942 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:53,943 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 21:07:53,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:53,944 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:53,945 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:53,945 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:07:53,945 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:53,945 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:07:53,945 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:53,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:07:53,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:07:53,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:07:53,946 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:53,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-12 21:07:53,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:53,948 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:53,949 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:53,949 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:07:53,949 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:53,950 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:07:53,950 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:53,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:07:53,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:07:53,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:07:53,951 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:53,952 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-12 21:07:53,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:53,952 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:53,953 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:53,953 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:07:53,954 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:53,954 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:07:53,954 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:53,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:07:53,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:07:53,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:07:53,955 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:53,955 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-12 21:07:53,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:53,956 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:53,957 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:53,957 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:07:53,957 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:53,958 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:07:53,958 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:53,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:07:53,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:07:53,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:07:53,958 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:53,959 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-12 21:07:53,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:53,960 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:53,961 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:53,961 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:07:53,961 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:53,961 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:07:53,961 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:53,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:07:53,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:07:53,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:07:53,962 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:53,963 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-12 21:07:53,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:53,964 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:53,964 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:53,964 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:07:53,965 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:53,965 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:07:53,965 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:53,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:07:53,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:07:53,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:07:53,966 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:53,972 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2020-10-12 21:07:53,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:53,973 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:53,973 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:53,973 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:07:53,973 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:53,973 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:07:53,974 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:53,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:07:53,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 21:07:53,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:07:53,974 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:54,008 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2020-10-12 21:07:54,008 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1124059156] [2020-10-12 21:07:54,008 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 21:07:54,008 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-12 21:07:54,009 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [171127366] [2020-10-12 21:07:54,009 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-12 21:07:54,009 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 21:07:54,009 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-12 21:07:54,009 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2020-10-12 21:07:54,010 INFO L87 Difference]: Start difference. First operand 46182 states and 62031 transitions. Second operand 11 states. [2020-10-12 21:08:01,939 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 21:08:01,939 INFO L93 Difference]: Finished difference Result 100665 states and 136830 transitions. [2020-10-12 21:08:01,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-12 21:08:01,940 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 241 [2020-10-12 21:08:01,940 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 21:08:02,127 INFO L225 Difference]: With dead ends: 100665 [2020-10-12 21:08:02,127 INFO L226 Difference]: Without dead ends: 54518 [2020-10-12 21:08:02,230 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=82, Invalid=190, Unknown=0, NotChecked=0, Total=272 [2020-10-12 21:08:02,277 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54518 states. [2020-10-12 21:08:08,386 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54518 to 46182. [2020-10-12 21:08:08,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 46182 states. [2020-10-12 21:08:08,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46182 states to 46182 states and 61759 transitions. [2020-10-12 21:08:08,515 INFO L78 Accepts]: Start accepts. Automaton has 46182 states and 61759 transitions. Word has length 241 [2020-10-12 21:08:08,515 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 21:08:08,515 INFO L479 AbstractCegarLoop]: Abstraction has 46182 states and 61759 transitions. [2020-10-12 21:08:08,516 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-12 21:08:08,516 INFO L276 IsEmpty]: Start isEmpty. Operand 46182 states and 61759 transitions. [2020-10-12 21:08:08,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 265 [2020-10-12 21:08:08,536 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 21:08:08,536 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 21:08:08,537 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-10-12 21:08:08,537 INFO L427 AbstractCegarLoop]: === Iteration 16 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 21:08:08,537 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 21:08:08,537 INFO L82 PathProgramCache]: Analyzing trace with hash 536828758, now seen corresponding path program 1 times [2020-10-12 21:08:08,537 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 21:08:08,538 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [566368630] [2020-10-12 21:08:08,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 21:08:08,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:08,571 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:08,586 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:08,610 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:08,661 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:08,688 FATAL L256 erpolLogProxyWrapper]: Now shrinking...