/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=NARROWEST --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/seq-mthreaded/pals_STARTPALS_ActiveStandby.5.ufo.BOUNDED-10.pals.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-13 13:46:07,365 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-13 13:46:07,367 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-13 13:46:07,392 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-13 13:46:07,393 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-13 13:46:07,394 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-13 13:46:07,396 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-13 13:46:07,402 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-13 13:46:07,407 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-13 13:46:07,408 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-13 13:46:07,411 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-13 13:46:07,412 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-13 13:46:07,413 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-13 13:46:07,416 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-13 13:46:07,419 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-13 13:46:07,420 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-13 13:46:07,421 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-13 13:46:07,422 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-13 13:46:07,425 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-13 13:46:07,427 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-13 13:46:07,428 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-13 13:46:07,430 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-13 13:46:07,432 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-13 13:46:07,432 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-13 13:46:07,436 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-13 13:46:07,436 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-13 13:46:07,436 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-13 13:46:07,440 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-13 13:46:07,440 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-13 13:46:07,441 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-13 13:46:07,441 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-13 13:46:07,442 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-13 13:46:07,443 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-13 13:46:07,443 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-13 13:46:07,453 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-13 13:46:07,454 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-13 13:46:07,458 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-13 13:46:07,458 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-13 13:46:07,458 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-13 13:46:07,459 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-13 13:46:07,459 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-13 13:46:07,462 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-13 13:46:07,492 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-13 13:46:07,492 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-13 13:46:07,493 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-13 13:46:07,494 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-13 13:46:07,494 INFO L138 SettingsManager]: * Use SBE=true [2020-10-13 13:46:07,494 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-13 13:46:07,494 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-13 13:46:07,494 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-13 13:46:07,495 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-13 13:46:07,495 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-13 13:46:07,495 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-13 13:46:07,495 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-13 13:46:07,495 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-13 13:46:07,495 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-13 13:46:07,496 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-13 13:46:07,496 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-13 13:46:07,496 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-13 13:46:07,496 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-13 13:46:07,496 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-13 13:46:07,497 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-13 13:46:07,497 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-13 13:46:07,497 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-13 13:46:07,497 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-13 13:46:07,497 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-13 13:46:07,498 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-13 13:46:07,498 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-13 13:46:07,498 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-13 13:46:07,498 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-13 13:46:07,498 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-13 13:46:07,498 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; [2020-10-13 13:46:07,778 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-13 13:46:07,790 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-13 13:46:07,793 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-13 13:46:07,795 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-13 13:46:07,795 INFO L275 PluginConnector]: CDTParser initialized [2020-10-13 13:46:07,796 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded/pals_STARTPALS_ActiveStandby.5.ufo.BOUNDED-10.pals.c [2020-10-13 13:46:07,854 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/1067593ec/d4b8719219b54ec1a49913683bbcc325/FLAG03948d2b0 [2020-10-13 13:46:08,393 INFO L306 CDTParser]: Found 1 translation units. [2020-10-13 13:46:08,394 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/seq-mthreaded/pals_STARTPALS_ActiveStandby.5.ufo.BOUNDED-10.pals.c [2020-10-13 13:46:08,406 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/1067593ec/d4b8719219b54ec1a49913683bbcc325/FLAG03948d2b0 [2020-10-13 13:46:08,660 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/1067593ec/d4b8719219b54ec1a49913683bbcc325 [2020-10-13 13:46:08,669 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-13 13:46:08,671 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-13 13:46:08,672 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-13 13:46:08,672 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-13 13:46:08,677 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-13 13:46:08,678 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 01:46:08" (1/1) ... [2020-10-13 13:46:08,681 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11c4b872 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:46:08, skipping insertion in model container [2020-10-13 13:46:08,682 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 01:46:08" (1/1) ... [2020-10-13 13:46:08,690 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-13 13:46:08,752 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-13 13:46:09,183 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 13:46:09,193 INFO L203 MainTranslator]: Completed pre-run [2020-10-13 13:46:09,272 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 13:46:09,293 INFO L208 MainTranslator]: Completed translation [2020-10-13 13:46:09,294 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:46:09 WrapperNode [2020-10-13 13:46:09,294 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-13 13:46:09,295 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-13 13:46:09,295 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-13 13:46:09,295 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-13 13:46:09,309 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:46:09" (1/1) ... [2020-10-13 13:46:09,309 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:46:09" (1/1) ... [2020-10-13 13:46:09,323 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:46:09" (1/1) ... [2020-10-13 13:46:09,323 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:46:09" (1/1) ... [2020-10-13 13:46:09,343 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:46:09" (1/1) ... [2020-10-13 13:46:09,357 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:46:09" (1/1) ... [2020-10-13 13:46:09,361 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:46:09" (1/1) ... [2020-10-13 13:46:09,366 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-13 13:46:09,369 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-13 13:46:09,369 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-13 13:46:09,369 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-13 13:46:09,370 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:46:09" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-13 13:46:09,435 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-13 13:46:09,435 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-13 13:46:09,436 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-10-13 13:46:09,436 INFO L138 BoogieDeclarations]: Found implementation of procedure write_side1_failed_history [2020-10-13 13:46:09,436 INFO L138 BoogieDeclarations]: Found implementation of procedure read_side1_failed_history [2020-10-13 13:46:09,436 INFO L138 BoogieDeclarations]: Found implementation of procedure write_side2_failed_history [2020-10-13 13:46:09,436 INFO L138 BoogieDeclarations]: Found implementation of procedure read_side2_failed_history [2020-10-13 13:46:09,436 INFO L138 BoogieDeclarations]: Found implementation of procedure write_active_side_history [2020-10-13 13:46:09,436 INFO L138 BoogieDeclarations]: Found implementation of procedure read_active_side_history [2020-10-13 13:46:09,437 INFO L138 BoogieDeclarations]: Found implementation of procedure write_manual_selection_history [2020-10-13 13:46:09,437 INFO L138 BoogieDeclarations]: Found implementation of procedure read_manual_selection_history [2020-10-13 13:46:09,437 INFO L138 BoogieDeclarations]: Found implementation of procedure init [2020-10-13 13:46:09,437 INFO L138 BoogieDeclarations]: Found implementation of procedure flip_the_side [2020-10-13 13:46:09,437 INFO L138 BoogieDeclarations]: Found implementation of procedure Console_task_each_pals_period [2020-10-13 13:46:09,437 INFO L138 BoogieDeclarations]: Found implementation of procedure Side1_activestandby_task_each_pals_period [2020-10-13 13:46:09,437 INFO L138 BoogieDeclarations]: Found implementation of procedure Side2_activestandby_task_each_pals_period [2020-10-13 13:46:09,438 INFO L138 BoogieDeclarations]: Found implementation of procedure Pendulum_prism_task_each_pals_period [2020-10-13 13:46:09,438 INFO L138 BoogieDeclarations]: Found implementation of procedure check [2020-10-13 13:46:09,438 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-13 13:46:09,438 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2020-10-13 13:46:09,438 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-13 13:46:09,438 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2020-10-13 13:46:09,438 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2020-10-13 13:46:09,439 INFO L130 BoogieDeclarations]: Found specification of procedure read [2020-10-13 13:46:09,439 INFO L130 BoogieDeclarations]: Found specification of procedure write [2020-10-13 13:46:09,439 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2020-10-13 13:46:09,439 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-13 13:46:09,439 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-10-13 13:46:09,439 INFO L130 BoogieDeclarations]: Found specification of procedure write_side1_failed_history [2020-10-13 13:46:09,440 INFO L130 BoogieDeclarations]: Found specification of procedure read_side1_failed_history [2020-10-13 13:46:09,440 INFO L130 BoogieDeclarations]: Found specification of procedure write_side2_failed_history [2020-10-13 13:46:09,440 INFO L130 BoogieDeclarations]: Found specification of procedure read_side2_failed_history [2020-10-13 13:46:09,440 INFO L130 BoogieDeclarations]: Found specification of procedure write_active_side_history [2020-10-13 13:46:09,440 INFO L130 BoogieDeclarations]: Found specification of procedure read_active_side_history [2020-10-13 13:46:09,440 INFO L130 BoogieDeclarations]: Found specification of procedure write_manual_selection_history [2020-10-13 13:46:09,441 INFO L130 BoogieDeclarations]: Found specification of procedure read_manual_selection_history [2020-10-13 13:46:09,441 INFO L130 BoogieDeclarations]: Found specification of procedure init [2020-10-13 13:46:09,441 INFO L130 BoogieDeclarations]: Found specification of procedure flip_the_side [2020-10-13 13:46:09,441 INFO L130 BoogieDeclarations]: Found specification of procedure Console_task_each_pals_period [2020-10-13 13:46:09,441 INFO L130 BoogieDeclarations]: Found specification of procedure Side1_activestandby_task_each_pals_period [2020-10-13 13:46:09,441 INFO L130 BoogieDeclarations]: Found specification of procedure Side2_activestandby_task_each_pals_period [2020-10-13 13:46:09,441 INFO L130 BoogieDeclarations]: Found specification of procedure Pendulum_prism_task_each_pals_period [2020-10-13 13:46:09,441 INFO L130 BoogieDeclarations]: Found specification of procedure check [2020-10-13 13:46:09,441 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-13 13:46:09,442 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-13 13:46:09,442 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-13 13:46:10,330 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-13 13:46:10,330 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-13 13:46:10,336 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 01:46:10 BoogieIcfgContainer [2020-10-13 13:46:10,336 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-13 13:46:10,338 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-13 13:46:10,338 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-13 13:46:10,341 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-13 13:46:10,341 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 01:46:08" (1/3) ... [2020-10-13 13:46:10,342 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35820cd3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 01:46:10, skipping insertion in model container [2020-10-13 13:46:10,343 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:46:09" (2/3) ... [2020-10-13 13:46:10,343 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35820cd3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 01:46:10, skipping insertion in model container [2020-10-13 13:46:10,343 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 01:46:10" (3/3) ... [2020-10-13 13:46:10,345 INFO L109 eAbstractionObserver]: Analyzing ICFG pals_STARTPALS_ActiveStandby.5.ufo.BOUNDED-10.pals.c [2020-10-13 13:46:10,356 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-13 13:46:10,365 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-13 13:46:10,385 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-13 13:46:10,413 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-13 13:46:10,413 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-13 13:46:10,413 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-13 13:46:10,414 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-13 13:46:10,414 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-13 13:46:10,414 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-13 13:46:10,415 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-13 13:46:10,415 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-13 13:46:10,440 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states. [2020-10-13 13:46:10,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2020-10-13 13:46:10,451 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 13:46:10,452 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] [2020-10-13 13:46:10,453 INFO L427 AbstractCegarLoop]: === Iteration 1 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 13:46:10,459 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 13:46:10,459 INFO L82 PathProgramCache]: Analyzing trace with hash -301830300, now seen corresponding path program 1 times [2020-10-13 13:46:10,468 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 13:46:10,469 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1975494317] [2020-10-13 13:46:10,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 13:46:10,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:46:10,804 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:46:10,963 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:46:11,024 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:46:11,152 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:46:11,197 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:46:11,238 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:46:11,392 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:46:11,741 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:46:11,742 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 99 [2020-10-13 13:46:11,742 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-13 13:46:11,742 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1005 [2020-10-13 13:46:11,745 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:46:11,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:46:11,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 55 [2020-10-13 13:46:11,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:46:11,746 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-13 13:46:11,977 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-13 13:46:11,979 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 13:46:11,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:46:11,991 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:46:12,000 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:46:12,000 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 13:46:12,001 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:46:12,001 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-13 13:46:12,001 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:46:12,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:46:12,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:46:12,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:46:12,002 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 13:46:12,011 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 13:46:12,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:46:12,014 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:46:12,016 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:46:12,016 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 13:46:12,016 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:46:12,017 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 13:46:12,017 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:46:12,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:46:12,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:46:12,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:46:12,018 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 13:46:12,020 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-13 13:46:12,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:46:12,023 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:46:12,024 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:46:12,025 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:46:12,025 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 13:46:12,025 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 13:46:12,026 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 13:46:12,026 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:46:12,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:46:12,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-13 13:46:12,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:46:12,027 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 13:46:12,045 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 13:46:12,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:46:12,050 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:46:12,061 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:46:12,062 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-13 13:46:12,062 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:46:12,062 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-13 13:46:12,063 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:46:12,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:46:12,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:46:12,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:46:12,064 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 13:46:12,082 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 13:46:12,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:46:12,085 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:46:12,087 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:46:12,087 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 13:46:12,088 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:46:12,088 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 13:46:12,088 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:46:12,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:46:12,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:46:12,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:46:12,089 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:46:12,125 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-13 13:46:12,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:46:12,132 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:46:12,136 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:46:12,150 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:46:12,150 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-13 13:46:12,151 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 13:46:12,151 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-13 13:46:12,151 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:46:12,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:46:12,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-13 13:46:12,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:46:12,152 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:46:12,172 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 13:46:12,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:46:12,175 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:46:12,177 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:46:12,177 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 13:46:12,178 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:46:12,178 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 13:46:12,178 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:46:12,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:46:12,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:46:12,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:46:12,179 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 13:46:12,217 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-10-13 13:46:12,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:46:12,224 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:46:12,229 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:46:12,234 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:46:12,244 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:46:12,249 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:46:12,249 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-13 13:46:12,249 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 13:46:12,250 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-13 13:46:12,250 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:46:12,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:46:12,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-13 13:46:12,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:46:12,251 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:46:12,272 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 13:46:12,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:46:12,275 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:46:12,277 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:46:12,278 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 13:46:12,278 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:46:12,278 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 13:46:12,278 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:46:12,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:46:12,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:46:12,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:46:12,279 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:46:12,326 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 13:46:12,327 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1975494317] [2020-10-13 13:46:12,331 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 13:46:12,331 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-13 13:46:12,332 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1292739789] [2020-10-13 13:46:12,340 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-13 13:46:12,340 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 13:46:12,354 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-13 13:46:12,358 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2020-10-13 13:46:12,360 INFO L87 Difference]: Start difference. First operand 240 states. Second operand 9 states. [2020-10-13 13:46:14,032 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 13:46:14,033 INFO L93 Difference]: Finished difference Result 457 states and 701 transitions. [2020-10-13 13:46:14,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-13 13:46:14,035 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 71 [2020-10-13 13:46:14,036 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 13:46:14,050 INFO L225 Difference]: With dead ends: 457 [2020-10-13 13:46:14,050 INFO L226 Difference]: Without dead ends: 235 [2020-10-13 13:46:14,058 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=77, Invalid=133, Unknown=0, NotChecked=0, Total=210 [2020-10-13 13:46:14,078 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 235 states. [2020-10-13 13:46:14,174 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 235 to 235. [2020-10-13 13:46:14,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 235 states. [2020-10-13 13:46:14,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 235 states and 338 transitions. [2020-10-13 13:46:14,181 INFO L78 Accepts]: Start accepts. Automaton has 235 states and 338 transitions. Word has length 71 [2020-10-13 13:46:14,182 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 13:46:14,182 INFO L479 AbstractCegarLoop]: Abstraction has 235 states and 338 transitions. [2020-10-13 13:46:14,182 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-13 13:46:14,182 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 338 transitions. [2020-10-13 13:46:14,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2020-10-13 13:46:14,186 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 13:46:14,186 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] [2020-10-13 13:46:14,187 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-13 13:46:14,187 INFO L427 AbstractCegarLoop]: === Iteration 2 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 13:46:14,187 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 13:46:14,188 INFO L82 PathProgramCache]: Analyzing trace with hash 1943327012, now seen corresponding path program 1 times [2020-10-13 13:46:14,188 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 13:46:14,188 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [962953122] [2020-10-13 13:46:14,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 13:46:14,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:46:14,227 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:46:14,495 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:46:15,297 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:46:15,297 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 99 [2020-10-13 13:46:15,298 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 13:46:15,298 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1084 [2020-10-13 13:46:15,298 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:46:15,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 13:46:15,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 87 [2020-10-13 13:46:15,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-13 13:46:15,299 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:46:15,557 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-13 13:46:15,558 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 13:46:15,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:46:15,567 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:46:15,575 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:46:15,575 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 13:46:15,576 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:46:15,576 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-13 13:46:15,576 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:46:15,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:46:15,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:46:15,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:46:15,577 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:46:15,582 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 13:46:15,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:46:15,585 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:46:15,586 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:46:15,587 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 13:46:15,587 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:46:15,587 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 13:46:15,588 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:46:15,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:46:15,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:46:15,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:46:15,589 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 13:46:15,592 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-13 13:46:15,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:46:15,594 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:46:15,595 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:46:15,595 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 13:46:15,595 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:46:15,596 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:46:15,596 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:46:15,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:46:15,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:46:15,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:46:15,597 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:46:15,622 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 13:46:15,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:46:15,626 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:46:15,635 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:46:15,635 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-13 13:46:15,635 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:46:15,635 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-13 13:46:15,635 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:46:15,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:46:15,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:46:15,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:46:15,636 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:46:15,654 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 13:46:15,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:46:15,657 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:46:15,659 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:46:15,659 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 13:46:15,659 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:46:15,660 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 13:46:15,660 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:46:15,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:46:15,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:46:15,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:46:15,661 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:46:15,693 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-13 13:46:15,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:46:15,697 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:46:15,704 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:46:15,704 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-13 13:46:15,705 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:46:15,705 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-13 13:46:15,705 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:46:15,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:46:15,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:46:15,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:46:15,706 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:46:15,725 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 13:46:15,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:46:15,727 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:46:15,729 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:46:15,729 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 13:46:15,730 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:46:15,730 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 13:46:15,730 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:46:15,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:46:15,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:46:15,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:46:15,731 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:46:15,766 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-10-13 13:46:15,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:46:15,771 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:46:15,780 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:46:15,780 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-13 13:46:15,780 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:46:15,781 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-13 13:46:15,781 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:46:15,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:46:15,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:46:15,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:46:15,782 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:46:15,803 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 13:46:15,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:46:15,805 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:46:15,807 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:46:15,807 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 13:46:15,807 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:46:15,808 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 13:46:15,808 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:46:15,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:46:15,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:46:15,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:46:15,809 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:46:15,848 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 13:46:15,848 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [962953122] [2020-10-13 13:46:15,849 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 13:46:15,849 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-13 13:46:15,849 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1646269762] [2020-10-13 13:46:15,851 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-13 13:46:15,851 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 13:46:15,852 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-13 13:46:15,852 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2020-10-13 13:46:15,852 INFO L87 Difference]: Start difference. First operand 235 states and 338 transitions. Second operand 11 states. [2020-10-13 13:46:17,025 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2020-10-13 13:46:17,192 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 142 [2020-10-13 13:46:18,481 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 13:46:18,481 INFO L93 Difference]: Finished difference Result 450 states and 649 transitions. [2020-10-13 13:46:18,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-13 13:46:18,483 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 71 [2020-10-13 13:46:18,483 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 13:46:18,486 INFO L225 Difference]: With dead ends: 450 [2020-10-13 13:46:18,486 INFO L226 Difference]: Without dead ends: 239 [2020-10-13 13:46:18,489 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=115, Invalid=227, Unknown=0, NotChecked=0, Total=342 [2020-10-13 13:46:18,490 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 239 states. [2020-10-13 13:46:18,528 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 239 to 239. [2020-10-13 13:46:18,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 239 states. [2020-10-13 13:46:18,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 239 states and 341 transitions. [2020-10-13 13:46:18,531 INFO L78 Accepts]: Start accepts. Automaton has 239 states and 341 transitions. Word has length 71 [2020-10-13 13:46:18,531 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 13:46:18,531 INFO L479 AbstractCegarLoop]: Abstraction has 239 states and 341 transitions. [2020-10-13 13:46:18,532 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-13 13:46:18,532 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 341 transitions. [2020-10-13 13:46:18,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2020-10-13 13:46:18,535 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 13:46:18,536 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-13 13:46:18,536 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-13 13:46:18,536 INFO L427 AbstractCegarLoop]: === Iteration 3 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 13:46:18,536 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 13:46:18,536 INFO L82 PathProgramCache]: Analyzing trace with hash -383323083, now seen corresponding path program 1 times [2020-10-13 13:46:18,537 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 13:46:18,537 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [321483841] [2020-10-13 13:46:18,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 13:46:18,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:46:18,576 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:46:18,617 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:46:18,817 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:46:21,188 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:46:23,573 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:46:23,573 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 129 [2020-10-13 13:46:23,574 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 13:46:23,574 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5010 [2020-10-13 13:46:23,574 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:46:23,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 13:46:23,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 117 [2020-10-13 13:46:23,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 13:46:23,575 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:46:23,788 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-13 13:46:23,789 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 13:46:23,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:46:23,795 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:46:23,804 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:46:23,804 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 13:46:23,804 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:46:23,804 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-13 13:46:23,805 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:46:23,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:46:23,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:46:23,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:46:23,805 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:46:23,810 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 13:46:23,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:46:23,811 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:46:23,813 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:46:23,813 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 13:46:23,813 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:46:23,813 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:46:23,813 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:46:23,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:46:23,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:46:23,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:46:23,814 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:46:23,816 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-13 13:46:23,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:46:23,818 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:46:23,819 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:46:23,819 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 13:46:23,819 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:46:23,819 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:46:23,820 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:46:23,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:46:23,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:46:23,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:46:23,821 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 13:46:23,838 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 13:46:23,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:46:23,841 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:46:23,849 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:46:23,849 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-13 13:46:23,849 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:46:23,849 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-13 13:46:23,850 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:46:23,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:46:23,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:46:23,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:46:23,851 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:46:23,869 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 13:46:23,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:46:23,871 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:46:23,872 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:46:23,872 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 13:46:23,873 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:46:23,873 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:46:23,873 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:46:23,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:46:23,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:46:23,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:46:23,874 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:46:23,906 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-13 13:46:23,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:46:23,911 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:46:23,917 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:46:23,918 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-13 13:46:23,918 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:46:23,918 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 13:46:23,918 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:46:23,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:46:23,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:46:23,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:46:23,919 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:46:23,946 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 13:46:23,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:46:23,949 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:46:23,951 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:46:23,951 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 13:46:23,952 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:46:23,952 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 13:46:23,952 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:46:23,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:46:23,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:46:23,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:46:23,954 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 13:46:24,008 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-10-13 13:46:24,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:46:24,013 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:46:24,020 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:46:24,020 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-13 13:46:24,020 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:46:24,021 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-13 13:46:24,021 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:46:24,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:46:24,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:46:24,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:46:24,022 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:46:24,055 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 13:46:24,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:46:24,058 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:46:24,060 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:46:24,060 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 13:46:24,061 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:46:24,061 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 13:46:24,061 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:46:24,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:46:24,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:46:24,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:46:24,067 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-10-13 13:46:24,103 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-13 13:46:24,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:46:24,107 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:46:24,117 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:46:24,117 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-13 13:46:24,118 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:46:24,118 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-13 13:46:24,118 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:46:24,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:46:24,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:46:24,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:46:24,120 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 13:46:24,124 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 13:46:24,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:46:24,127 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:46:24,129 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:46:24,129 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 13:46:24,130 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:46:24,130 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 13:46:24,130 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:46:24,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:46:24,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:46:24,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:46:24,132 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 13:46:24,165 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 13:46:24,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:46:24,169 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:46:24,171 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:46:24,171 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 13:46:24,172 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:46:24,172 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 13:46:24,172 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:46:24,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:46:24,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:46:24,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:46:24,174 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 13:46:24,176 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-10-13 13:46:24,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:46:24,179 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:46:24,181 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:46:24,182 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 13:46:24,182 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:46:24,182 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 13:46:24,182 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:46:24,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:46:24,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:46:24,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:46:24,183 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:46:24,202 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-10-13 13:46:24,203 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [321483841] [2020-10-13 13:46:24,204 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 13:46:24,204 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-10-13 13:46:24,205 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [781987905] [2020-10-13 13:46:24,206 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-13 13:46:24,206 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 13:46:24,207 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-13 13:46:24,207 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2020-10-13 13:46:24,207 INFO L87 Difference]: Start difference. First operand 239 states and 341 transitions. Second operand 13 states. [2020-10-13 13:46:25,812 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2020-10-13 13:46:25,988 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 143 [2020-10-13 13:46:26,977 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 13:46:26,978 INFO L93 Difference]: Finished difference Result 459 states and 653 transitions. [2020-10-13 13:46:26,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-13 13:46:26,978 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 93 [2020-10-13 13:46:26,979 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 13:46:26,982 INFO L225 Difference]: With dead ends: 459 [2020-10-13 13:46:26,982 INFO L226 Difference]: Without dead ends: 244 [2020-10-13 13:46:26,984 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=144, Invalid=318, Unknown=0, NotChecked=0, Total=462 [2020-10-13 13:46:26,985 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 244 states. [2020-10-13 13:46:27,031 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 244 to 244. [2020-10-13 13:46:27,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 244 states. [2020-10-13 13:46:27,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 244 states and 345 transitions. [2020-10-13 13:46:27,035 INFO L78 Accepts]: Start accepts. Automaton has 244 states and 345 transitions. Word has length 93 [2020-10-13 13:46:27,035 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 13:46:27,036 INFO L479 AbstractCegarLoop]: Abstraction has 244 states and 345 transitions. [2020-10-13 13:46:27,036 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-13 13:46:27,036 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 345 transitions. [2020-10-13 13:46:27,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2020-10-13 13:46:27,038 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 13:46:27,039 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-13 13:46:27,039 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-13 13:46:27,039 INFO L427 AbstractCegarLoop]: === Iteration 4 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 13:46:27,040 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 13:46:27,040 INFO L82 PathProgramCache]: Analyzing trace with hash -123585773, now seen corresponding path program 1 times [2020-10-13 13:46:27,040 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 13:46:27,040 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1469382060] [2020-10-13 13:46:27,040 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 13:46:27,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:46:27,077 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:46:27,113 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:46:27,168 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:46:29,278 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:46:32,073 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:46:32,074 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 139 [2020-10-13 13:46:32,074 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 13:46:32,074 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5008 [2020-10-13 13:46:32,074 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:46:32,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 13:46:32,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 127 [2020-10-13 13:46:32,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 13:46:32,075 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:46:32,333 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-13 13:46:32,334 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 13:46:32,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:46:32,339 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:46:32,344 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:46:32,344 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 13:46:32,344 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:46:32,345 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 13:46:32,345 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:46:32,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:46:32,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:46:32,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:46:32,346 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:46:32,350 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 13:46:32,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:46:32,351 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:46:32,352 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:46:32,353 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 13:46:32,353 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:46:32,353 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:46:32,353 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:46:32,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:46:32,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:46:32,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:46:32,354 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:46:32,356 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-13 13:46:32,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:46:32,357 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:46:32,358 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:46:32,358 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 13:46:32,358 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:46:32,359 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:46:32,359 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:46:32,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:46:32,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:46:32,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:46:32,360 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:46:32,376 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 13:46:32,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:46:32,379 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:46:32,384 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:46:32,385 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-13 13:46:32,385 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:46:32,385 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 13:46:32,385 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:46:32,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:46:32,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:46:32,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:46:32,386 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:46:32,403 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 13:46:32,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:46:32,405 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:46:32,407 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:46:32,407 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 13:46:32,407 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:46:32,407 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 13:46:32,407 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:46:32,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:46:32,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:46:32,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:46:32,408 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:46:32,438 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-13 13:46:32,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:46:32,441 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:46:32,446 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:46:32,447 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-13 13:46:32,447 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:46:32,447 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 13:46:32,447 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:46:32,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:46:32,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:46:32,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:46:32,448 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:46:32,465 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 13:46:32,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:46:32,468 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:46:32,469 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:46:32,469 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 13:46:32,469 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:46:32,469 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:46:32,470 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:46:32,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:46:32,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:46:32,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:46:32,470 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:46:32,502 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-10-13 13:46:32,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:46:32,505 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:46:32,510 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:46:32,511 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-13 13:46:32,511 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:46:32,511 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 13:46:32,511 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:46:32,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:46:32,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:46:32,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:46:32,512 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:46:32,532 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 13:46:32,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:46:32,534 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:46:32,535 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:46:32,535 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 13:46:32,535 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:46:32,535 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:46:32,536 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:46:32,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:46:32,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:46:32,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:46:32,536 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:46:32,558 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-13 13:46:32,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:46:32,563 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:46:32,571 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:46:32,572 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-13 13:46:32,572 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:46:32,572 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-13 13:46:32,572 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:46:32,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:46:32,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:46:32,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:46:32,573 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:46:32,576 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 13:46:32,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:46:32,578 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:46:32,581 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:46:32,581 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 13:46:32,582 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:46:32,582 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 13:46:32,582 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:46:32,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:46:32,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:46:32,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:46:32,583 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:46:32,601 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 13:46:32,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:46:32,603 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:46:32,611 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:46:32,611 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 13:46:32,611 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:46:32,611 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-13 13:46:32,612 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:46:32,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:46:32,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:46:32,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:46:32,612 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:46:32,616 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-10-13 13:46:32,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:46:32,618 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:46:32,623 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:46:32,623 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 13:46:32,623 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:46:32,623 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 13:46:32,624 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:46:32,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:46:32,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:46:32,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:46:32,624 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:46:32,626 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-10-13 13:46:32,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:46:32,628 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:46:32,629 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:46:32,629 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:46:32,629 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:46:32,630 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 13:46:32,630 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:46:32,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:46:32,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:46:32,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:46:32,630 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:46:32,648 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-10-13 13:46:32,649 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1469382060] [2020-10-13 13:46:32,649 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 13:46:32,649 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-10-13 13:46:32,650 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [937160368] [2020-10-13 13:46:32,652 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-13 13:46:32,652 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 13:46:32,652 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-13 13:46:32,652 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2020-10-13 13:46:32,653 INFO L87 Difference]: Start difference. First operand 244 states and 345 transitions. Second operand 13 states. [2020-10-13 13:46:34,177 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2020-10-13 13:46:34,352 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 143 [2020-10-13 13:46:35,241 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 13:46:35,241 INFO L93 Difference]: Finished difference Result 469 states and 664 transitions. [2020-10-13 13:46:35,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-13 13:46:35,242 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 101 [2020-10-13 13:46:35,243 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 13:46:35,245 INFO L225 Difference]: With dead ends: 469 [2020-10-13 13:46:35,245 INFO L226 Difference]: Without dead ends: 249 [2020-10-13 13:46:35,247 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=144, Invalid=318, Unknown=0, NotChecked=0, Total=462 [2020-10-13 13:46:35,249 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 249 states. [2020-10-13 13:46:35,283 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 249 to 249. [2020-10-13 13:46:35,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 249 states. [2020-10-13 13:46:35,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 249 states and 349 transitions. [2020-10-13 13:46:35,287 INFO L78 Accepts]: Start accepts. Automaton has 249 states and 349 transitions. Word has length 101 [2020-10-13 13:46:35,289 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 13:46:35,289 INFO L479 AbstractCegarLoop]: Abstraction has 249 states and 349 transitions. [2020-10-13 13:46:35,289 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-13 13:46:35,289 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 349 transitions. [2020-10-13 13:46:35,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2020-10-13 13:46:35,295 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 13:46:35,296 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-13 13:46:35,296 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-13 13:46:35,296 INFO L427 AbstractCegarLoop]: === Iteration 5 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 13:46:35,296 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 13:46:35,296 INFO L82 PathProgramCache]: Analyzing trace with hash 1139115997, now seen corresponding path program 1 times [2020-10-13 13:46:35,297 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 13:46:35,297 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1530363500] [2020-10-13 13:46:35,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 13:46:35,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:46:35,330 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:46:35,362 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:46:35,406 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:46:37,381 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:46:37,514 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:46:40,333 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:46:40,333 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 149 [2020-10-13 13:46:40,334 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 13:46:40,334 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5012 [2020-10-13 13:46:40,334 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:46:40,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 13:46:40,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 137 [2020-10-13 13:46:40,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-13 13:46:40,335 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:46:40,525 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-13 13:46:40,526 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 13:46:40,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:46:40,531 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:46:40,537 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:46:40,537 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 13:46:40,537 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:46:40,537 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 13:46:40,538 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:46:40,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:46:40,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:46:40,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:46:40,538 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:46:40,542 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 13:46:40,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:46:40,544 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:46:40,545 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:46:40,545 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 13:46:40,545 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:46:40,546 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:46:40,546 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:46:40,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:46:40,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:46:40,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:46:40,547 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:46:40,548 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-13 13:46:40,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:46:40,551 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:46:40,552 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:46:40,552 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 13:46:40,552 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:46:40,552 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:46:40,552 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:46:40,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:46:40,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:46:40,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:46:40,553 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:46:40,569 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 13:46:40,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:46:40,572 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:46:40,578 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:46:40,578 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-13 13:46:40,578 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:46:40,579 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 13:46:40,579 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:46:40,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:46:40,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:46:40,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:46:40,580 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:46:40,603 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 13:46:40,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:46:40,605 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:46:40,606 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:46:40,606 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 13:46:40,607 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:46:40,607 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:46:40,607 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:46:40,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:46:40,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:46:40,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:46:40,608 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:46:40,637 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-13 13:46:40,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:46:40,640 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:46:40,645 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:46:40,645 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-13 13:46:40,645 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:46:40,645 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 13:46:40,646 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:46:40,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:46:40,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:46:40,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:46:40,646 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:46:40,663 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 13:46:40,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:46:40,665 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:46:40,666 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:46:40,666 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 13:46:40,666 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:46:40,666 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:46:40,667 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:46:40,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:46:40,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:46:40,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:46:40,667 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:46:40,707 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-10-13 13:46:40,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:46:40,711 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:46:40,717 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:46:40,717 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-13 13:46:40,717 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:46:40,717 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 13:46:40,718 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:46:40,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:46:40,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:46:40,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:46:40,718 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:46:40,737 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 13:46:40,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:46:40,739 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:46:40,740 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:46:40,740 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 13:46:40,740 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:46:40,740 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:46:40,741 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:46:40,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:46:40,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:46:40,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:46:40,741 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:46:40,773 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-13 13:46:40,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:46:40,778 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:46:40,782 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:46:40,782 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-13 13:46:40,783 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:46:40,783 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 13:46:40,783 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:46:40,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:46:40,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:46:40,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:46:40,784 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:46:40,786 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 13:46:40,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:46:40,788 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:46:40,789 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:46:40,790 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 13:46:40,790 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:46:40,790 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:46:40,790 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:46:40,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:46:40,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:46:40,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:46:40,791 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:46:40,815 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 13:46:40,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:46:40,817 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:46:40,819 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:46:40,819 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 13:46:40,820 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:46:40,820 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 13:46:40,820 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:46:40,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:46:40,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:46:40,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:46:40,821 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:46:40,823 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-10-13 13:46:40,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:46:40,826 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:46:40,828 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:46:40,828 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 13:46:40,828 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:46:40,829 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 13:46:40,829 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:46:40,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:46:40,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:46:40,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:46:40,830 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:46:40,833 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-10-13 13:46:40,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:46:40,836 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:46:40,838 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:46:40,838 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:46:40,839 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:46:40,839 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 13:46:40,839 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:46:40,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:46:40,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:46:40,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:46:40,840 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:46:40,847 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-13 13:46:40,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:46:40,849 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:46:40,850 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:46:40,850 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:46:40,851 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:46:40,851 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 13:46:40,851 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:46:40,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:46:40,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:46:40,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:46:40,852 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:46:40,873 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-10-13 13:46:40,873 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1530363500] [2020-10-13 13:46:40,873 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 13:46:40,874 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-10-13 13:46:40,874 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1898324398] [2020-10-13 13:46:40,875 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-13 13:46:40,876 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 13:46:40,876 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-13 13:46:40,876 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2020-10-13 13:46:40,876 INFO L87 Difference]: Start difference. First operand 249 states and 349 transitions. Second operand 13 states. [2020-10-13 13:46:42,328 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2020-10-13 13:46:42,487 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2020-10-13 13:46:42,955 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2020-10-13 13:46:43,130 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 140 [2020-10-13 13:46:43,974 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 13:46:43,975 INFO L93 Difference]: Finished difference Result 478 states and 668 transitions. [2020-10-13 13:46:43,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-13 13:46:43,975 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 109 [2020-10-13 13:46:43,976 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 13:46:43,978 INFO L225 Difference]: With dead ends: 478 [2020-10-13 13:46:43,978 INFO L226 Difference]: Without dead ends: 253 [2020-10-13 13:46:43,982 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=144, Invalid=318, Unknown=0, NotChecked=0, Total=462 [2020-10-13 13:46:43,983 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 253 states. [2020-10-13 13:46:44,015 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 253 to 253. [2020-10-13 13:46:44,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 253 states. [2020-10-13 13:46:44,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 253 states and 352 transitions. [2020-10-13 13:46:44,018 INFO L78 Accepts]: Start accepts. Automaton has 253 states and 352 transitions. Word has length 109 [2020-10-13 13:46:44,018 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 13:46:44,018 INFO L479 AbstractCegarLoop]: Abstraction has 253 states and 352 transitions. [2020-10-13 13:46:44,019 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-13 13:46:44,019 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 352 transitions. [2020-10-13 13:46:44,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2020-10-13 13:46:44,020 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 13:46:44,021 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1] [2020-10-13 13:46:44,021 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-13 13:46:44,021 INFO L427 AbstractCegarLoop]: === Iteration 6 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 13:46:44,021 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 13:46:44,021 INFO L82 PathProgramCache]: Analyzing trace with hash -394718917, now seen corresponding path program 1 times [2020-10-13 13:46:44,022 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 13:46:44,022 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1555296272] [2020-10-13 13:46:44,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 13:46:44,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:46:44,048 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:46:44,077 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:46:44,116 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:46:46,213 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:46:49,055 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:46:49,055 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 149 [2020-10-13 13:46:49,055 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 13:46:49,056 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5014 [2020-10-13 13:46:49,056 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:46:49,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 13:46:49,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 137 [2020-10-13 13:46:49,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 13:46:49,057 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:46:49,251 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-13 13:46:49,252 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 13:46:49,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:46:49,257 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:46:49,263 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:46:49,264 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 13:46:49,264 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:46:49,264 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 13:46:49,264 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:46:49,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:46:49,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:46:49,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:46:49,265 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:46:49,268 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 13:46:49,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:46:49,270 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:46:49,271 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:46:49,271 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 13:46:49,271 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:46:49,271 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:46:49,272 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:46:49,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:46:49,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:46:49,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:46:49,272 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:46:49,274 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-13 13:46:49,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:46:49,275 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:46:49,276 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:46:49,276 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 13:46:49,276 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:46:49,276 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:46:49,277 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:46:49,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:46:49,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:46:49,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:46:49,277 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:46:49,297 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 13:46:49,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:46:49,300 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:46:49,304 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:46:49,304 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-13 13:46:49,304 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:46:49,304 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 13:46:49,304 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:46:49,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:46:49,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:46:49,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:46:49,305 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:46:49,319 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 13:46:49,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:46:49,321 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:46:49,322 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:46:49,322 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 13:46:49,323 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:46:49,323 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:46:49,323 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:46:49,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:46:49,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:46:49,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:46:49,323 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:46:49,353 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-13 13:46:49,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:46:49,357 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:46:49,360 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:46:49,361 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-13 13:46:49,361 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:46:49,361 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 13:46:49,361 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:46:49,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:46:49,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:46:49,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:46:49,361 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:46:49,378 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 13:46:49,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:46:49,380 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:46:49,381 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:46:49,381 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 13:46:49,381 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:46:49,381 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:46:49,381 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:46:49,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:46:49,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:46:49,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:46:49,382 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:46:49,414 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-10-13 13:46:49,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:46:49,417 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:46:49,422 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:46:49,422 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-13 13:46:49,422 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:46:49,422 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 13:46:49,423 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:46:49,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:46:49,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:46:49,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:46:49,423 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:46:49,445 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 13:46:49,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:46:49,447 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:46:49,452 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:46:49,452 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 13:46:49,452 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:46:49,452 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 13:46:49,453 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:46:49,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:46:49,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:46:49,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:46:49,453 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:46:49,484 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-13 13:46:49,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:46:49,487 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:46:49,490 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:46:49,490 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-13 13:46:49,490 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:46:49,491 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 13:46:49,491 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:46:49,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:46:49,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:46:49,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:46:49,491 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:46:49,494 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 13:46:49,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:46:49,495 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:46:49,496 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:46:49,496 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 13:46:49,496 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:46:49,497 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:46:49,497 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:46:49,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:46:49,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:46:49,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:46:49,497 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:46:49,517 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 13:46:49,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:46:49,519 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:46:49,520 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:46:49,520 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 13:46:49,520 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:46:49,520 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:46:49,521 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:46:49,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:46:49,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:46:49,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:46:49,521 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:46:49,523 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-10-13 13:46:49,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:46:49,524 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:46:49,525 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:46:49,526 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 13:46:49,526 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:46:49,526 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:46:49,526 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:46:49,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:46:49,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:46:49,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:46:49,527 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:46:49,528 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-10-13 13:46:49,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:46:49,530 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:46:49,531 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:46:49,532 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:46:49,532 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:46:49,532 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 13:46:49,532 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:46:49,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:46:49,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:46:49,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:46:49,533 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:46:49,534 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-13 13:46:49,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:46:49,536 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:46:49,537 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:46:49,537 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:46:49,538 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:46:49,538 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:46:49,538 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:46:49,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:46:49,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:46:49,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:46:49,539 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:46:49,582 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-10-13 13:46:49,583 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1555296272] [2020-10-13 13:46:49,583 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 13:46:49,583 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-10-13 13:46:49,583 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1606416012] [2020-10-13 13:46:49,584 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-13 13:46:49,584 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 13:46:49,584 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-13 13:46:49,585 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2020-10-13 13:46:49,585 INFO L87 Difference]: Start difference. First operand 253 states and 352 transitions. Second operand 13 states. [2020-10-13 13:46:51,189 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2020-10-13 13:46:51,372 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 143 [2020-10-13 13:46:52,142 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 13:46:52,142 INFO L93 Difference]: Finished difference Result 487 states and 678 transitions. [2020-10-13 13:46:52,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-13 13:46:52,142 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 109 [2020-10-13 13:46:52,143 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 13:46:52,145 INFO L225 Difference]: With dead ends: 487 [2020-10-13 13:46:52,145 INFO L226 Difference]: Without dead ends: 258 [2020-10-13 13:46:52,147 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=144, Invalid=318, Unknown=0, NotChecked=0, Total=462 [2020-10-13 13:46:52,148 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 258 states. [2020-10-13 13:46:52,170 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 258 to 258. [2020-10-13 13:46:52,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 258 states. [2020-10-13 13:46:52,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 258 states and 356 transitions. [2020-10-13 13:46:52,172 INFO L78 Accepts]: Start accepts. Automaton has 258 states and 356 transitions. Word has length 109 [2020-10-13 13:46:52,172 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 13:46:52,173 INFO L479 AbstractCegarLoop]: Abstraction has 258 states and 356 transitions. [2020-10-13 13:46:52,173 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-13 13:46:52,173 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 356 transitions. [2020-10-13 13:46:52,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2020-10-13 13:46:52,174 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 13:46:52,175 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1] [2020-10-13 13:46:52,175 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-13 13:46:52,175 INFO L427 AbstractCegarLoop]: === Iteration 7 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 13:46:52,175 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 13:46:52,175 INFO L82 PathProgramCache]: Analyzing trace with hash -1934504259, now seen corresponding path program 1 times [2020-10-13 13:46:52,175 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 13:46:52,176 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [810927364] [2020-10-13 13:46:52,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 13:46:52,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:46:52,202 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:46:52,230 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:46:52,273 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:46:52,628 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:46:57,193 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:46:57,193 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 159 [2020-10-13 13:46:57,194 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 13:46:57,194 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-13 13:46:57,194 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:46:57,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-13 13:46:57,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-13 13:46:57,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-13 13:46:57,195 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:46:57,374 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-13 13:46:57,374 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 13:46:57,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:46:57,380 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:46:57,385 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:46:57,385 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 13:46:57,385 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:46:57,385 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 13:46:57,386 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:46:57,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:46:57,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:46:57,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:46:57,386 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:46:57,390 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 13:46:57,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:46:57,392 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:46:57,394 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:46:57,394 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 13:46:57,394 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:46:57,394 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 13:46:57,394 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:46:57,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 13:46:57,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:46:57,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-13 13:46:57,395 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:46:57,406 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-13 13:46:57,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:46:57,408 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:46:57,411 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:46:57,411 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 13:46:57,411 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:46:57,411 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 13:46:57,412 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:46:57,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 13:46:57,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-13 13:46:57,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 13:46:57,412 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:46:57,485 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 13:46:57,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:46:57,490 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:46:57,494 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:46:57,495 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-13 13:46:57,495 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:46:57,495 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 13:46:57,495 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:46:57,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:46:57,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-13 13:46:57,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:46:57,496 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:46:57,516 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 13:46:57,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:46:57,518 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:46:57,519 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:46:57,519 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 13:46:57,520 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:46:57,520 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:46:57,520 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:46:57,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:46:57,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:46:57,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:46:57,520 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:46:57,558 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-13 13:46:57,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:46:57,564 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:46:57,569 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:46:57,569 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-13 13:46:57,570 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:46:57,570 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 13:46:57,570 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:46:57,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:46:57,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-10-13 13:46:57,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:46:57,571 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:46:57,592 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 13:46:57,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:46:57,595 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:46:57,595 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:46:57,595 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 13:46:57,596 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:46:57,596 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:46:57,596 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:46:57,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:46:57,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:46:57,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:46:57,596 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:46:57,641 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-10-13 13:46:57,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:46:57,646 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:46:57,652 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:46:57,652 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-13 13:46:57,652 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:46:57,653 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-13 13:46:57,653 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:46:57,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:46:57,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-10-13 13:46:57,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:46:57,653 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:46:57,685 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 13:46:57,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:46:57,686 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:46:57,687 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:46:57,688 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 13:46:57,688 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:46:57,688 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:46:57,688 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:46:57,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:46:57,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:46:57,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:46:57,689 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:46:57,715 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-13 13:46:57,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:46:57,722 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:46:57,725 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:46:57,726 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-13 13:46:57,726 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:46:57,726 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 13:46:57,726 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:46:57,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:46:57,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-13 13:46:57,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:46:57,726 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:46:57,728 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 13:46:57,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:46:57,729 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:46:57,733 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:46:57,733 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 13:46:57,733 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:46:57,733 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 13:46:57,733 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:46:57,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:46:57,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:46:57,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:46:57,734 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:46:57,759 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 13:46:57,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:46:57,761 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:46:57,762 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:46:57,762 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 13:46:57,762 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:46:57,762 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:46:57,762 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:46:57,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:46:57,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:46:57,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:46:57,763 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:46:57,764 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-10-13 13:46:57,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:46:57,765 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:46:57,765 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:46:57,766 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 13:46:57,766 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:46:57,766 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:46:57,766 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:46:57,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:46:57,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 13:46:57,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:46:57,766 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:46:57,767 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-10-13 13:46:57,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:46:57,769 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:46:57,770 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:46:57,770 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:46:57,770 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:46:57,770 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:46:57,770 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:46:57,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:46:57,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 13:46:57,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:46:57,771 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:46:57,772 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-13 13:46:57,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:46:57,774 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:46:57,775 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:46:57,775 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:46:57,775 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:46:57,775 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:46:57,776 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:46:57,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:46:57,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 13:46:57,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:46:57,776 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:46:57,777 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-13 13:46:57,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:46:57,778 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:46:57,780 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:46:57,780 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:46:57,780 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:46:57,780 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:46:57,780 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:46:57,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:46:57,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 13:46:57,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:46:57,780 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:46:57,814 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-10-13 13:46:57,815 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [810927364] [2020-10-13 13:46:57,815 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 13:46:57,815 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2020-10-13 13:46:57,815 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [897580000] [2020-10-13 13:46:57,816 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-10-13 13:46:57,816 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 13:46:57,816 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-10-13 13:46:57,816 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=199, Unknown=0, NotChecked=0, Total=240 [2020-10-13 13:46:57,817 INFO L87 Difference]: Start difference. First operand 258 states and 356 transitions. Second operand 16 states. [2020-10-13 13:46:58,017 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2020-10-13 13:46:58,288 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 141 [2020-10-13 13:46:58,488 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2020-10-13 13:47:01,520 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 13:47:01,520 INFO L93 Difference]: Finished difference Result 507 states and 697 transitions. [2020-10-13 13:47:01,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-13 13:47:01,521 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 117 [2020-10-13 13:47:01,521 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 13:47:01,524 INFO L225 Difference]: With dead ends: 507 [2020-10-13 13:47:01,524 INFO L226 Difference]: Without dead ends: 268 [2020-10-13 13:47:01,526 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 77 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=169, Invalid=481, Unknown=0, NotChecked=0, Total=650 [2020-10-13 13:47:01,527 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 268 states. [2020-10-13 13:47:01,550 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 268 to 258. [2020-10-13 13:47:01,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 258 states. [2020-10-13 13:47:01,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 258 states and 344 transitions. [2020-10-13 13:47:01,552 INFO L78 Accepts]: Start accepts. Automaton has 258 states and 344 transitions. Word has length 117 [2020-10-13 13:47:01,552 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 13:47:01,552 INFO L479 AbstractCegarLoop]: Abstraction has 258 states and 344 transitions. [2020-10-13 13:47:01,552 INFO L480 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-10-13 13:47:01,552 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 344 transitions. [2020-10-13 13:47:01,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2020-10-13 13:47:01,554 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 13:47:01,554 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 13:47:01,555 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-13 13:47:01,555 INFO L427 AbstractCegarLoop]: === Iteration 8 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 13:47:01,555 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 13:47:01,555 INFO L82 PathProgramCache]: Analyzing trace with hash 1412732406, now seen corresponding path program 1 times [2020-10-13 13:47:01,555 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 13:47:01,555 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [119370814] [2020-10-13 13:47:01,556 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 13:47:01,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:47:01,599 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:47:01,627 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:47:01,653 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:47:04,025 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:47:04,093 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:47:04,125 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:47:06,581 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:47:06,581 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 170 [2020-10-13 13:47:06,581 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-13 13:47:06,581 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4999 [2020-10-13 13:47:06,581 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:47:06,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 13:47:06,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 158 [2020-10-13 13:47:06,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 13:47:06,582 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:47:06,815 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-13 13:47:06,816 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 13:47:06,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:47:06,821 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:47:06,825 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:47:06,825 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 13:47:06,825 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:47:06,825 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 13:47:06,826 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:47:06,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:47:06,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:47:06,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:47:06,826 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:47:06,829 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 13:47:06,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:47:06,830 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:47:06,832 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:47:06,832 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-13 13:47:06,832 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:47:06,832 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 13:47:06,832 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:47:06,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:47:06,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:47:06,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:47:06,833 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:47:06,834 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-13 13:47:06,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:47:06,835 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:47:06,835 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:47:06,835 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 13:47:06,836 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:47:06,836 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 13:47:06,836 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:47:06,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:47:06,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:47:06,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:47:06,836 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:47:06,852 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-13 13:47:06,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:47:06,854 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:47:06,858 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:47:06,858 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-13 13:47:06,858 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:47:06,858 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 13:47:06,858 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:47:06,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:47:06,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:47:06,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:47:06,859 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:47:06,872 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 13:47:06,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:47:06,875 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:47:06,877 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:47:06,877 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 13:47:06,877 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:47:06,878 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 13:47:06,878 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:47:06,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:47:06,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:47:06,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:47:06,878 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:47:06,913 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-13 13:47:06,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:47:06,916 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:47:06,920 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:47:06,920 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-13 13:47:06,920 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:47:06,920 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 13:47:06,920 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:47:06,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:47:06,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:47:06,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:47:06,921 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:47:06,939 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 13:47:06,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:47:06,941 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:47:06,942 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:47:06,942 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 13:47:06,942 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:47:06,943 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:47:06,943 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:47:06,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:47:06,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:47:06,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:47:06,943 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:47:06,978 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-10-13 13:47:06,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:47:06,981 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:47:06,988 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:47:06,988 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-13 13:47:06,988 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:47:06,988 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 13:47:06,988 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:47:06,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:47:06,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:47:06,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:47:06,989 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:47:07,007 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 13:47:07,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:47:07,009 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:47:07,010 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:47:07,010 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 13:47:07,010 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:47:07,011 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:47:07,011 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:47:07,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:47:07,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:47:07,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:47:07,011 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:47:07,034 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-10-13 13:47:07,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:47:07,037 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:47:07,039 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:47:07,039 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-13 13:47:07,039 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:47:07,039 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 13:47:07,039 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:47:07,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:47:07,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:47:07,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:47:07,040 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:47:07,042 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 13:47:07,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:47:07,043 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:47:07,044 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:47:07,044 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 13:47:07,044 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:47:07,044 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:47:07,044 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:47:07,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:47:07,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:47:07,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:47:07,045 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:47:07,065 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 13:47:07,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:47:07,067 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:47:07,069 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:47:07,069 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 13:47:07,069 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:47:07,069 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:47:07,069 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:47:07,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:47:07,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:47:07,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:47:07,070 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:47:07,071 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-10-13 13:47:07,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:47:07,072 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:47:07,073 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:47:07,073 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 13:47:07,073 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:47:07,073 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:47:07,073 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:47:07,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:47:07,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:47:07,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:47:07,074 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:47:07,076 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-13 13:47:07,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:47:07,077 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:47:07,078 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:47:07,078 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:47:07,078 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:47:07,079 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:47:07,079 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:47:07,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:47:07,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:47:07,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:47:07,080 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:47:07,081 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2020-10-13 13:47:07,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:47:07,081 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:47:07,082 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:47:07,082 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:47:07,082 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:47:07,083 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:47:07,083 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:47:07,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:47:07,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:47:07,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:47:07,083 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:47:07,084 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2020-10-13 13:47:07,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:47:07,085 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:47:07,086 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:47:07,086 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:47:07,086 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:47:07,086 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:47:07,086 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:47:07,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:47:07,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:47:07,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:47:07,086 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:47:07,100 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-10-13 13:47:07,101 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [119370814] [2020-10-13 13:47:07,101 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 13:47:07,101 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-10-13 13:47:07,101 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [12563619] [2020-10-13 13:47:07,102 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-13 13:47:07,102 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 13:47:07,102 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-13 13:47:07,102 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2020-10-13 13:47:07,103 INFO L87 Difference]: Start difference. First operand 258 states and 344 transitions. Second operand 13 states. [2020-10-13 13:47:09,165 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2020-10-13 13:47:09,332 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 143 [2020-10-13 13:47:09,868 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 13:47:09,868 INFO L93 Difference]: Finished difference Result 498 states and 673 transitions. [2020-10-13 13:47:09,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-13 13:47:09,869 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 128 [2020-10-13 13:47:09,869 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 13:47:09,871 INFO L225 Difference]: With dead ends: 498 [2020-10-13 13:47:09,872 INFO L226 Difference]: Without dead ends: 264 [2020-10-13 13:47:09,874 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=144, Invalid=318, Unknown=0, NotChecked=0, Total=462 [2020-10-13 13:47:09,875 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 264 states. [2020-10-13 13:47:09,907 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 264 to 264. [2020-10-13 13:47:09,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 264 states. [2020-10-13 13:47:09,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 264 states and 349 transitions. [2020-10-13 13:47:09,911 INFO L78 Accepts]: Start accepts. Automaton has 264 states and 349 transitions. Word has length 128 [2020-10-13 13:47:09,912 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 13:47:09,912 INFO L479 AbstractCegarLoop]: Abstraction has 264 states and 349 transitions. [2020-10-13 13:47:09,912 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-13 13:47:09,912 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 349 transitions. [2020-10-13 13:47:09,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2020-10-13 13:47:09,917 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 13:47:09,917 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 13:47:09,917 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-13 13:47:09,917 INFO L427 AbstractCegarLoop]: === Iteration 9 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 13:47:09,918 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 13:47:09,918 INFO L82 PathProgramCache]: Analyzing trace with hash 2130253169, now seen corresponding path program 1 times [2020-10-13 13:47:09,918 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 13:47:09,918 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1193613857] [2020-10-13 13:47:09,918 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 13:47:09,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:47:09,973 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:47:10,016 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:47:10,055 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:47:10,422 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:47:14,966 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:47:14,967 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 175 [2020-10-13 13:47:14,967 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 13:47:14,967 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5014 [2020-10-13 13:47:14,967 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:47:14,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 13:47:14,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 65 [2020-10-13 13:47:14,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 55 [2020-10-13 13:47:14,967 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:47:15,125 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-13 13:47:15,126 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 13:47:15,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:47:15,131 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:47:15,135 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:47:15,135 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 13:47:15,135 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:47:15,135 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 13:47:15,135 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:47:15,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:47:15,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:47:15,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:47:15,136 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:47:15,138 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 13:47:15,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:47:15,140 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:47:15,142 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:47:15,142 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-13 13:47:15,142 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:47:15,142 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 13:47:15,142 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:47:15,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:47:15,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:47:15,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:47:15,143 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:47:15,144 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-13 13:47:15,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:47:15,146 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:47:15,147 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:47:15,147 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 13:47:15,147 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:47:15,147 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:47:15,147 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:47:15,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:47:15,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:47:15,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:47:15,148 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:47:15,162 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-13 13:47:15,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:47:15,165 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:47:15,169 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:47:15,169 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-13 13:47:15,169 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:47:15,169 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 13:47:15,169 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:47:15,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:47:15,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:47:15,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:47:15,170 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:47:15,183 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 13:47:15,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:47:15,185 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:47:15,186 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:47:15,186 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 13:47:15,186 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:47:15,186 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:47:15,186 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:47:15,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:47:15,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:47:15,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:47:15,187 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:47:15,217 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-13 13:47:15,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:47:15,225 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:47:15,232 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:47:15,232 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-13 13:47:15,232 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:47:15,233 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-13 13:47:15,233 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:47:15,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 13:47:15,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:47:15,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-13 13:47:15,233 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:47:15,252 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 13:47:15,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:47:15,254 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:47:15,255 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:47:15,255 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 13:47:15,256 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:47:15,256 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:47:15,256 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:47:15,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:47:15,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:47:15,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:47:15,256 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:47:15,291 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-10-13 13:47:15,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:47:15,301 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:47:15,312 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:47:15,313 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-13 13:47:15,313 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:47:15,313 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-13 13:47:15,313 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:47:15,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 13:47:15,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:47:15,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-13 13:47:15,314 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:47:15,338 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 13:47:15,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:47:15,340 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:47:15,341 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:47:15,341 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 13:47:15,341 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:47:15,341 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:47:15,342 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:47:15,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:47:15,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:47:15,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:47:15,342 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:47:15,361 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-10-13 13:47:15,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:47:15,366 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:47:15,374 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:47:15,374 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-13 13:47:15,374 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:47:15,375 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-13 13:47:15,376 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:47:15,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 13:47:15,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:47:15,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-13 13:47:15,384 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 8 [2020-10-13 13:47:15,387 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 13:47:15,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:47:15,388 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:47:15,389 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:47:15,389 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 13:47:15,389 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:47:15,389 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:47:15,390 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:47:15,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:47:15,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:47:15,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:47:15,391 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 13:47:15,408 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 13:47:15,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:47:15,410 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:47:15,412 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:47:15,413 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 13:47:15,413 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:47:15,413 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 13:47:15,413 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:47:15,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:47:15,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:47:15,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:47:15,414 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:47:15,416 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-13 13:47:15,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:47:15,424 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:47:15,438 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:47:15,438 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-10-13 13:47:15,438 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:47:15,439 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-13 13:47:15,439 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:47:15,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 13:47:15,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-13 13:47:15,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 50 [2020-10-13 13:47:15,439 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:47:15,467 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:47:15,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:47:15,469 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:47:15,472 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:47:15,472 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 13:47:15,472 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:47:15,472 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 13:47:15,473 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:47:15,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 13:47:15,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:47:15,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 13:47:15,473 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:47:15,476 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-13 13:47:15,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:47:15,478 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:47:15,481 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:47:15,481 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:47:15,481 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:47:15,482 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 13:47:15,482 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:47:15,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 13:47:15,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:47:15,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 13:47:15,483 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:47:15,485 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-13 13:47:15,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:47:15,487 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:47:15,491 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:47:15,492 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:47:15,492 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:47:15,492 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 13:47:15,492 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:47:15,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 13:47:15,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:47:15,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 13:47:15,493 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:47:15,495 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-13 13:47:15,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:47:15,497 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:47:15,501 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:47:15,501 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:47:15,501 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:47:15,502 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 13:47:15,502 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:47:15,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 13:47:15,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:47:15,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 13:47:15,503 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:47:15,506 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-13 13:47:15,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:47:15,508 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:47:15,510 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:47:15,511 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 13:47:15,511 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:47:15,511 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 13:47:15,511 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:47:15,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 13:47:15,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:47:15,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 13:47:15,512 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:47:15,540 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-10-13 13:47:15,541 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1193613857] [2020-10-13 13:47:15,542 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 13:47:15,542 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-10-13 13:47:15,542 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1491691190] [2020-10-13 13:47:15,543 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-13 13:47:15,543 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 13:47:15,543 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-13 13:47:15,544 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2020-10-13 13:47:15,544 INFO L87 Difference]: Start difference. First operand 264 states and 349 transitions. Second operand 13 states. [2020-10-13 13:47:15,743 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2020-10-13 13:47:16,690 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 135 [2020-10-13 13:47:20,493 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 13:47:20,493 INFO L93 Difference]: Finished difference Result 740 states and 990 transitions. [2020-10-13 13:47:20,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-10-13 13:47:20,494 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 133 [2020-10-13 13:47:20,494 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 13:47:20,499 INFO L225 Difference]: With dead ends: 740 [2020-10-13 13:47:20,500 INFO L226 Difference]: Without dead ends: 500 [2020-10-13 13:47:20,502 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 151 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=226, Invalid=644, Unknown=0, NotChecked=0, Total=870 [2020-10-13 13:47:20,503 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 500 states. [2020-10-13 13:47:20,549 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 500 to 467. [2020-10-13 13:47:20,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 467 states. [2020-10-13 13:47:20,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 467 states to 467 states and 622 transitions. [2020-10-13 13:47:20,552 INFO L78 Accepts]: Start accepts. Automaton has 467 states and 622 transitions. Word has length 133 [2020-10-13 13:47:20,553 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 13:47:20,553 INFO L479 AbstractCegarLoop]: Abstraction has 467 states and 622 transitions. [2020-10-13 13:47:20,553 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-13 13:47:20,553 INFO L276 IsEmpty]: Start isEmpty. Operand 467 states and 622 transitions. [2020-10-13 13:47:20,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2020-10-13 13:47:20,556 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 13:47:20,556 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 13:47:20,556 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-13 13:47:20,557 INFO L427 AbstractCegarLoop]: === Iteration 10 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 13:47:20,557 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 13:47:20,557 INFO L82 PathProgramCache]: Analyzing trace with hash 1137526372, now seen corresponding path program 1 times [2020-10-13 13:47:20,557 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 13:47:20,557 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2030059610] [2020-10-13 13:47:20,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 13:47:20,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:47:20,623 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:47:20,665 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:47:20,706 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:47:21,315 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:47:25,618 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:47:25,618 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 176 [2020-10-13 13:47:25,618 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 13:47:25,618 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5011 [2020-10-13 13:47:25,618 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:47:25,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 13:47:25,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 84 [2020-10-13 13:47:25,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 37 [2020-10-13 13:47:25,619 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:47:25,780 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-13 13:47:25,781 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 13:47:25,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:47:25,786 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:47:25,791 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:47:25,791 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 13:47:25,792 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:47:25,792 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 13:47:25,792 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:47:25,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:47:25,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:47:25,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:47:25,793 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:47:25,796 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 13:47:25,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:47:25,798 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:47:25,801 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:47:25,801 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-13 13:47:25,801 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:47:25,801 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 13:47:25,801 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:47:25,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:47:25,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:47:25,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:47:25,802 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:47:25,804 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-13 13:47:25,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:47:25,806 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:47:25,807 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:47:25,807 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 13:47:25,807 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:47:25,807 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:47:25,808 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:47:25,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:47:25,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:47:25,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:47:25,808 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:47:25,824 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-13 13:47:25,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:47:25,826 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:47:25,831 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:47:25,831 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-13 13:47:25,831 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:47:25,832 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 13:47:25,832 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:47:25,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:47:25,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:47:25,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:47:25,832 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:47:25,846 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 13:47:25,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:47:25,848 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:47:25,849 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:47:25,849 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 13:47:25,850 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:47:25,850 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:47:25,850 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:47:25,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:47:25,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:47:25,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:47:25,850 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:47:25,881 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-13 13:47:25,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:47:25,885 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:47:25,889 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:47:25,889 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-13 13:47:25,889 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:47:25,889 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 13:47:25,889 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:47:25,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:47:25,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:47:25,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:47:25,890 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:47:25,908 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 13:47:25,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:47:25,910 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:47:25,911 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:47:25,911 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 13:47:25,912 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:47:25,912 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:47:25,912 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:47:25,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:47:25,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:47:25,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:47:25,913 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:47:25,952 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-10-13 13:47:25,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:47:25,960 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:47:25,967 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:47:25,967 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-13 13:47:25,968 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:47:25,968 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-13 13:47:25,968 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:47:25,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 13:47:25,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:47:25,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-13 13:47:25,968 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:47:25,996 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 13:47:25,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:47:25,998 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:47:26,000 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:47:26,000 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 13:47:26,000 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:47:26,000 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:47:26,000 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:47:26,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:47:26,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:47:26,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:47:26,001 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:47:26,024 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-10-13 13:47:26,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:47:26,029 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:47:26,034 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:47:26,034 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-13 13:47:26,034 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:47:26,034 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 13:47:26,035 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:47:26,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 13:47:26,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:47:26,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-13 13:47:26,035 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:47:26,037 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 13:47:26,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:47:26,038 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:47:26,038 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:47:26,039 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 13:47:26,039 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:47:26,039 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 13:47:26,039 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:47:26,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:47:26,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:47:26,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:47:26,040 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:47:26,062 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 13:47:26,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:47:26,065 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:47:26,065 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:47:26,066 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 13:47:26,066 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:47:26,066 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:47:26,066 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:47:26,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:47:26,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:47:26,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:47:26,067 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:47:26,068 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-13 13:47:26,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:47:26,076 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:47:26,091 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:47:26,091 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 56 [2020-10-13 13:47:26,091 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:47:26,092 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-13 13:47:26,092 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:47:26,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 13:47:26,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-13 13:47:26,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 50 [2020-10-13 13:47:26,092 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:47:26,117 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:47:26,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:47:26,119 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:47:26,121 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:47:26,121 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 13:47:26,121 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:47:26,121 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 13:47:26,122 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:47:26,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 13:47:26,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:47:26,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 13:47:26,122 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:47:26,124 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 13:47:26,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:47:26,126 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:47:26,128 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:47:26,129 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:47:26,129 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:47:26,129 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 13:47:26,129 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:47:26,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 13:47:26,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:47:26,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 13:47:26,130 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:47:26,132 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-13 13:47:26,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:47:26,134 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:47:26,137 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:47:26,137 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:47:26,138 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:47:26,138 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 13:47:26,138 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:47:26,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 13:47:26,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:47:26,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 13:47:26,139 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:47:26,141 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-13 13:47:26,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:47:26,146 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:47:26,150 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:47:26,150 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:47:26,150 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:47:26,151 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 13:47:26,151 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:47:26,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 13:47:26,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:47:26,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 13:47:26,152 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 13:47:26,155 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-13 13:47:26,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:47:26,158 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:47:26,160 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:47:26,161 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 13:47:26,161 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:47:26,161 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 13:47:26,162 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:47:26,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 13:47:26,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:47:26,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 13:47:26,164 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 13:47:26,216 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-10-13 13:47:26,217 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2030059610] [2020-10-13 13:47:26,217 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 13:47:26,217 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-10-13 13:47:26,218 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1134530256] [2020-10-13 13:47:26,218 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-13 13:47:26,219 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 13:47:26,219 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-13 13:47:26,219 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2020-10-13 13:47:26,220 INFO L87 Difference]: Start difference. First operand 467 states and 622 transitions. Second operand 13 states. [2020-10-13 13:47:26,473 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2020-10-13 13:47:27,891 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 135 [2020-10-13 13:47:31,763 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 13:47:31,764 INFO L93 Difference]: Finished difference Result 1330 states and 1794 transitions. [2020-10-13 13:47:31,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2020-10-13 13:47:31,765 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 134 [2020-10-13 13:47:31,765 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 13:47:31,772 INFO L225 Difference]: With dead ends: 1330 [2020-10-13 13:47:31,772 INFO L226 Difference]: Without dead ends: 891 [2020-10-13 13:47:31,775 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 39 SyntacticMatches, 1 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 182 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=256, Invalid=736, Unknown=0, NotChecked=0, Total=992 [2020-10-13 13:47:31,776 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 891 states. [2020-10-13 13:47:31,853 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 891 to 633. [2020-10-13 13:47:31,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 633 states. [2020-10-13 13:47:31,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 633 states to 633 states and 848 transitions. [2020-10-13 13:47:31,857 INFO L78 Accepts]: Start accepts. Automaton has 633 states and 848 transitions. Word has length 134 [2020-10-13 13:47:31,857 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 13:47:31,857 INFO L479 AbstractCegarLoop]: Abstraction has 633 states and 848 transitions. [2020-10-13 13:47:31,858 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-13 13:47:31,858 INFO L276 IsEmpty]: Start isEmpty. Operand 633 states and 848 transitions. [2020-10-13 13:47:31,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2020-10-13 13:47:31,860 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 13:47:31,860 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 13:47:31,861 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-13 13:47:31,861 INFO L427 AbstractCegarLoop]: === Iteration 11 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 13:47:31,861 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 13:47:31,861 INFO L82 PathProgramCache]: Analyzing trace with hash -911861470, now seen corresponding path program 1 times [2020-10-13 13:47:31,862 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 13:47:31,862 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1353967559] [2020-10-13 13:47:31,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 13:47:31,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:47:31,906 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:47:31,934 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:47:31,966 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:47:32,050 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:47:36,900 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:47:36,900 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 176 [2020-10-13 13:47:36,900 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 13:47:36,900 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5011 [2020-10-13 13:47:36,900 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:47:36,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 13:47:36,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 120 [2020-10-13 13:47:36,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 13:47:36,901 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:47:37,082 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-13 13:47:37,083 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 13:47:37,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:47:37,088 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:47:37,093 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:47:37,093 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 13:47:37,093 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:47:37,093 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 13:47:37,094 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:47:37,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:47:37,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:47:37,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:47:37,095 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 13:47:37,100 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 13:47:37,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:47:37,107 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:47:37,111 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:47:37,111 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-13 13:47:37,112 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:47:37,112 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 13:47:37,112 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:47:37,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:47:37,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:47:37,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:47:37,113 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 13:47:37,119 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-13 13:47:37,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:47:37,122 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:47:37,123 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:47:37,123 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 13:47:37,123 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:47:37,123 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:47:37,124 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:47:37,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:47:37,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:47:37,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:47:37,125 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 13:47:37,141 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-13 13:47:37,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:47:37,145 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:47:37,155 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:47:37,155 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-13 13:47:37,156 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:47:37,156 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-13 13:47:37,156 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:47:37,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:47:37,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:47:37,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:47:37,158 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 13:47:37,176 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 13:47:37,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:47:37,178 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:47:37,179 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:47:37,179 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 13:47:37,180 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:47:37,180 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 13:47:37,180 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:47:37,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:47:37,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:47:37,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:47:37,181 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:47:37,217 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-13 13:47:37,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:47:37,220 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:47:37,227 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:47:37,227 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-13 13:47:37,228 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:47:37,228 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 13:47:37,228 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:47:37,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:47:37,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:47:37,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:47:37,229 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:47:37,247 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 13:47:37,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:47:37,250 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:47:37,251 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:47:37,252 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 13:47:37,252 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:47:37,252 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 13:47:37,253 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:47:37,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:47:37,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:47:37,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:47:37,254 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 13:47:37,296 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-10-13 13:47:37,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:47:37,299 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:47:37,310 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:47:37,310 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-13 13:47:37,311 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:47:37,311 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-13 13:47:37,311 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:47:37,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:47:37,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:47:37,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:47:37,313 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 13:47:37,333 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 13:47:37,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:47:37,334 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:47:37,336 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:47:37,336 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 13:47:37,336 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:47:37,337 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:47:37,337 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:47:37,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:47:37,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:47:37,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:47:37,338 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 13:47:37,367 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-10-13 13:47:37,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:47:37,370 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:47:37,373 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:47:37,373 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-13 13:47:37,374 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:47:37,374 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 13:47:37,374 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:47:37,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:47:37,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:47:37,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:47:37,375 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:47:37,377 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 13:47:37,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:47:37,379 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:47:37,380 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:47:37,380 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 13:47:37,380 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:47:37,380 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:47:37,380 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:47:37,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:47:37,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:47:37,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:47:37,381 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:47:37,403 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 13:47:37,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:47:37,405 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:47:37,406 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:47:37,406 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 13:47:37,407 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:47:37,407 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:47:37,407 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:47:37,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:47:37,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:47:37,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:47:37,408 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:47:37,409 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-13 13:47:37,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:47:37,419 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:47:37,447 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:47:37,448 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 56 [2020-10-13 13:47:37,448 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:47:37,448 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-10-13 13:47:37,448 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:47:37,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 13:47:37,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-13 13:47:37,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 13:47:37,449 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:47:37,469 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:47:37,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:47:37,471 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:47:37,474 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:47:37,474 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 13:47:37,474 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:47:37,475 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 13:47:37,475 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:47:37,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 13:47:37,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-13 13:47:37,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 13:47:37,476 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:47:37,529 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 13:47:37,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:47:37,531 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:47:37,533 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:47:37,533 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:47:37,533 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:47:37,533 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 13:47:37,534 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:47:37,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:47:37,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 13:47:37,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:47:37,534 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:47:37,536 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-13 13:47:37,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:47:37,538 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:47:37,539 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:47:37,539 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:47:37,540 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:47:37,540 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:47:37,540 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:47:37,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:47:37,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 13:47:37,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:47:37,541 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:47:37,542 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-13 13:47:37,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:47:37,545 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:47:37,547 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:47:37,547 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:47:37,547 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:47:37,548 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 13:47:37,548 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:47:37,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:47:37,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 13:47:37,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:47:37,548 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:47:37,550 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-13 13:47:37,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:47:37,553 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:47:37,554 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:47:37,554 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 13:47:37,554 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:47:37,554 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:47:37,555 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:47:37,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:47:37,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 13:47:37,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:47:37,556 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 13:47:37,583 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-10-13 13:47:37,583 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1353967559] [2020-10-13 13:47:37,584 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 13:47:37,584 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-10-13 13:47:37,584 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2141554882] [2020-10-13 13:47:37,585 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-13 13:47:37,586 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 13:47:37,586 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-13 13:47:37,590 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=145, Unknown=0, NotChecked=0, Total=182 [2020-10-13 13:47:37,591 INFO L87 Difference]: Start difference. First operand 633 states and 848 transitions. Second operand 14 states. [2020-10-13 13:47:37,873 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 141 [2020-10-13 13:47:38,055 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2020-10-13 13:47:39,540 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2020-10-13 13:47:40,710 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 13:47:40,710 INFO L93 Difference]: Finished difference Result 1104 states and 1480 transitions. [2020-10-13 13:47:40,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-13 13:47:40,711 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 134 [2020-10-13 13:47:40,712 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 13:47:40,714 INFO L225 Difference]: With dead ends: 1104 [2020-10-13 13:47:40,714 INFO L226 Difference]: Without dead ends: 461 [2020-10-13 13:47:40,717 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 87 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=165, Invalid=387, Unknown=0, NotChecked=0, Total=552 [2020-10-13 13:47:40,717 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 461 states. [2020-10-13 13:47:40,762 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 461 to 461. [2020-10-13 13:47:40,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 461 states. [2020-10-13 13:47:40,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 461 states to 461 states and 614 transitions. [2020-10-13 13:47:40,764 INFO L78 Accepts]: Start accepts. Automaton has 461 states and 614 transitions. Word has length 134 [2020-10-13 13:47:40,764 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 13:47:40,764 INFO L479 AbstractCegarLoop]: Abstraction has 461 states and 614 transitions. [2020-10-13 13:47:40,765 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-13 13:47:40,765 INFO L276 IsEmpty]: Start isEmpty. Operand 461 states and 614 transitions. [2020-10-13 13:47:40,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2020-10-13 13:47:40,766 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 13:47:40,767 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 13:47:40,767 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-13 13:47:40,767 INFO L427 AbstractCegarLoop]: === Iteration 12 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 13:47:40,767 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 13:47:40,767 INFO L82 PathProgramCache]: Analyzing trace with hash -846562394, now seen corresponding path program 1 times [2020-10-13 13:47:40,768 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 13:47:40,768 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [783763996] [2020-10-13 13:47:40,768 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 13:47:40,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:47:40,811 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:47:40,843 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:47:40,874 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:47:42,870 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:47:42,907 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:47:42,931 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:47:45,795 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:47:45,795 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 176 [2020-10-13 13:47:45,795 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-13 13:47:45,796 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-13 13:47:45,796 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:47:45,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-13 13:47:45,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 37 [2020-10-13 13:47:45,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 70 [2020-10-13 13:47:45,796 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:47:45,959 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-13 13:47:45,960 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 13:47:45,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:47:45,965 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:47:45,968 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:47:45,968 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 13:47:45,968 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:47:45,969 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 13:47:45,969 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:47:45,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:47:45,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:47:45,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:47:45,969 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:47:45,972 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 13:47:45,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:47:45,973 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:47:45,974 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:47:45,975 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-13 13:47:45,975 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:47:45,975 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:47:45,975 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:47:45,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:47:45,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:47:45,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:47:45,975 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:47:45,977 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-13 13:47:45,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:47:45,978 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:47:45,978 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:47:45,978 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 13:47:45,978 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:47:45,979 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 13:47:45,979 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:47:45,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:47:45,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:47:45,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:47:45,979 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:47:45,996 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-13 13:47:45,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:47:46,001 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:47:46,007 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:47:46,007 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-13 13:47:46,008 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:47:46,008 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 13:47:46,008 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:47:46,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 13:47:46,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:47:46,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-13 13:47:46,008 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:47:46,022 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 13:47:46,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:47:46,024 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:47:46,025 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:47:46,025 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 13:47:46,025 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:47:46,025 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:47:46,025 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:47:46,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:47:46,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:47:46,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:47:46,026 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:47:46,057 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-13 13:47:46,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:47:46,064 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:47:46,070 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:47:46,073 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:47:46,107 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:47:46,107 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-13 13:47:46,108 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 13:47:46,108 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 45 [2020-10-13 13:47:46,108 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:47:46,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 13:47:46,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:47:46,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-13 13:47:46,108 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:47:46,153 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 13:47:46,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:47:46,155 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:47:46,156 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:47:46,156 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 13:47:46,156 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:47:46,156 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:47:46,156 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:47:46,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:47:46,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:47:46,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:47:46,157 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:47:46,195 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-13 13:47:46,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:47:46,201 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:47:46,207 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:47:46,208 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-13 13:47:46,208 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:47:46,208 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-13 13:47:46,208 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:47:46,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 13:47:46,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:47:46,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-13 13:47:46,208 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:47:46,230 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 13:47:46,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:47:46,232 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:47:46,233 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:47:46,233 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 13:47:46,233 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:47:46,234 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:47:46,234 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:47:46,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:47:46,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:47:46,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:47:46,234 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:47:46,261 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2020-10-13 13:47:46,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:47:46,267 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:47:46,276 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:47:46,277 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-13 13:47:46,277 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:47:46,277 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-13 13:47:46,277 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:47:46,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 13:47:46,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-13 13:47:46,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-13 13:47:46,277 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:47:46,345 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 13:47:46,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:47:46,347 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:47:46,348 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:47:46,349 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 13:47:46,349 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:47:46,349 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:47:46,349 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:47:46,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 13:47:46,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:47:46,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 13:47:46,350 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:47:46,377 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 13:47:46,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:47:46,379 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:47:46,381 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:47:46,381 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 13:47:46,381 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:47:46,381 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:47:46,381 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:47:46,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 13:47:46,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:47:46,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 13:47:46,382 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:47:46,383 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-13 13:47:46,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:47:46,388 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:47:46,393 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:47:46,393 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-10-13 13:47:46,393 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:47:46,393 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 13:47:46,393 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:47:46,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:47:46,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 52 [2020-10-13 13:47:46,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:47:46,394 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:47:46,397 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:47:46,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:47:46,399 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:47:46,400 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:47:46,400 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 13:47:46,400 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:47:46,400 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:47:46,400 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:47:46,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:47:46,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:47:46,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:47:46,401 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:47:46,402 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-13 13:47:46,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:47:46,403 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:47:46,404 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:47:46,404 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:47:46,405 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:47:46,405 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:47:46,405 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:47:46,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:47:46,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:47:46,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:47:46,406 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:47:46,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-13 13:47:46,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:47:46,408 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:47:46,409 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:47:46,409 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:47:46,410 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:47:46,410 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:47:46,410 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:47:46,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:47:46,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:47:46,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:47:46,411 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:47:46,412 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-13 13:47:46,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:47:46,413 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:47:46,414 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:47:46,415 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:47:46,415 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:47:46,415 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:47:46,415 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:47:46,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:47:46,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:47:46,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:47:46,416 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:47:46,417 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-13 13:47:46,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:47:46,418 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:47:46,419 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:47:46,419 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 13:47:46,419 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:47:46,420 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:47:46,420 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:47:46,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:47:46,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:47:46,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:47:46,420 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:47:46,435 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-10-13 13:47:46,436 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [783763996] [2020-10-13 13:47:46,436 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 13:47:46,436 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2020-10-13 13:47:46,436 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [810434713] [2020-10-13 13:47:46,437 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-10-13 13:47:46,437 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 13:47:46,437 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-10-13 13:47:46,437 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=259, Unknown=0, NotChecked=0, Total=306 [2020-10-13 13:47:46,438 INFO L87 Difference]: Start difference. First operand 461 states and 614 transitions. Second operand 18 states. [2020-10-13 13:47:46,654 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 135 [2020-10-13 13:47:47,180 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 134 [2020-10-13 13:47:47,373 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 87 [2020-10-13 13:47:47,617 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 78 [2020-10-13 13:47:47,764 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 69 [2020-10-13 13:47:47,938 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 71 [2020-10-13 13:47:48,298 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 78 [2020-10-13 13:47:48,447 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 69 [2020-10-13 13:47:49,004 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 103 [2020-10-13 13:47:49,242 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 91 [2020-10-13 13:47:49,501 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 94 [2020-10-13 13:47:49,694 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2020-10-13 13:47:51,530 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 101 [2020-10-13 13:47:51,762 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 103 [2020-10-13 13:47:52,322 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 94 [2020-10-13 13:47:52,531 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 92 [2020-10-13 13:47:53,061 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 13:47:53,061 INFO L93 Difference]: Finished difference Result 1051 states and 1413 transitions. [2020-10-13 13:47:53,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-10-13 13:47:53,062 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 134 [2020-10-13 13:47:53,062 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 13:47:53,067 INFO L225 Difference]: With dead ends: 1051 [2020-10-13 13:47:53,067 INFO L226 Difference]: Without dead ends: 618 [2020-10-13 13:47:53,069 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 300 ImplicationChecksByTransitivity, 3.9s TimeCoverageRelationStatistics Valid=424, Invalid=1382, Unknown=0, NotChecked=0, Total=1806 [2020-10-13 13:47:53,070 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 618 states. [2020-10-13 13:47:53,133 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 618 to 596. [2020-10-13 13:47:53,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 596 states. [2020-10-13 13:47:53,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 596 states to 596 states and 791 transitions. [2020-10-13 13:47:53,136 INFO L78 Accepts]: Start accepts. Automaton has 596 states and 791 transitions. Word has length 134 [2020-10-13 13:47:53,137 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 13:47:53,137 INFO L479 AbstractCegarLoop]: Abstraction has 596 states and 791 transitions. [2020-10-13 13:47:53,137 INFO L480 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-10-13 13:47:53,137 INFO L276 IsEmpty]: Start isEmpty. Operand 596 states and 791 transitions. [2020-10-13 13:47:53,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2020-10-13 13:47:53,139 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 13:47:53,139 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 13:47:53,139 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-13 13:47:53,139 INFO L427 AbstractCegarLoop]: === Iteration 13 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 13:47:53,139 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 13:47:53,140 INFO L82 PathProgramCache]: Analyzing trace with hash -1929305458, now seen corresponding path program 1 times [2020-10-13 13:47:53,140 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 13:47:53,140 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1869225179] [2020-10-13 13:47:53,140 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 13:47:53,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:47:53,193 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:47:53,253 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:47:53,317 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:47:55,035 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:47:55,083 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:47:55,120 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:47:55,146 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:47:58,170 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:47:58,171 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 177 [2020-10-13 13:47:58,171 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-13 13:47:58,171 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-13 13:47:58,171 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:47:58,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-13 13:47:58,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 37 [2020-10-13 13:47:58,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 71 [2020-10-13 13:47:58,171 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:47:58,345 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-13 13:47:58,346 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 13:47:58,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:47:58,351 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:47:58,357 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:47:58,357 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 13:47:58,358 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:47:58,358 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 13:47:58,358 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:47:58,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:47:58,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:47:58,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:47:58,359 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 13:47:58,364 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 13:47:58,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:47:58,366 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:47:58,376 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:47:58,377 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-13 13:47:58,377 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:47:58,377 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-13 13:47:58,377 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:47:58,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:47:58,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:47:58,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:47:58,378 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:47:58,381 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-13 13:47:58,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:47:58,384 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:47:58,385 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:47:58,385 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 13:47:58,386 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:47:58,386 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:47:58,386 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:47:58,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:47:58,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:47:58,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:47:58,387 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 13:47:58,408 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-13 13:47:58,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:47:58,419 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:47:58,431 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:47:58,432 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-13 13:47:58,432 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:47:58,432 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-13 13:47:58,432 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:47:58,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 13:47:58,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:47:58,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-13 13:47:58,433 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:47:58,451 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 13:47:58,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:47:58,453 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:47:58,454 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:47:58,455 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 13:47:58,455 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:47:58,455 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:47:58,456 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:47:58,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:47:58,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:47:58,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:47:58,457 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 13:47:58,497 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-13 13:47:58,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:47:58,511 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:47:58,526 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:47:58,532 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:47:58,598 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:47:58,599 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-13 13:47:58,599 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 13:47:58,599 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 92 [2020-10-13 13:47:58,599 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:47:58,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 13:47:58,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:47:58,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-13 13:47:58,600 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:47:58,654 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 13:47:58,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:47:58,656 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:47:58,657 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:47:58,657 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 13:47:58,657 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:47:58,658 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:47:58,658 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:47:58,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:47:58,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:47:58,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:47:58,658 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:47:58,696 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-13 13:47:58,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:47:58,706 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:47:58,717 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:47:58,717 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-13 13:47:58,717 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:47:58,718 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-13 13:47:58,718 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:47:58,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 13:47:58,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:47:58,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-13 13:47:58,718 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:47:58,743 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 13:47:58,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:47:58,745 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:47:58,746 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:47:58,747 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 13:47:58,747 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:47:58,747 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:47:58,747 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:47:58,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:47:58,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:47:58,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:47:58,748 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:47:58,775 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2020-10-13 13:47:58,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:47:58,780 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:47:58,797 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:47:58,797 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-13 13:47:58,797 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:47:58,798 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-13 13:47:58,798 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:47:58,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 13:47:58,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-13 13:47:58,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-13 13:47:58,798 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:47:58,855 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 13:47:58,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:47:58,858 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:47:58,859 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:47:58,859 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 13:47:58,859 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:47:58,859 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:47:58,859 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:47:58,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 13:47:58,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:47:58,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 13:47:58,860 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:47:58,888 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 13:47:58,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:47:58,890 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:47:58,892 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:47:58,892 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 13:47:58,892 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:47:58,892 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 13:47:58,892 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:47:58,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 13:47:58,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:47:58,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 13:47:58,893 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:47:58,894 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-13 13:47:58,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:47:58,901 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:47:58,906 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:47:58,907 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-10-13 13:47:58,907 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:47:58,907 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-13 13:47:58,907 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:47:58,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:47:58,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 52 [2020-10-13 13:47:58,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:47:58,907 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:47:58,911 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:47:58,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:47:58,912 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:47:58,913 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:47:58,913 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 13:47:58,913 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:47:58,913 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:47:58,913 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:47:58,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:47:58,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:47:58,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:47:58,914 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:47:58,915 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-13 13:47:58,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:47:58,916 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:47:58,916 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:47:58,916 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:47:58,917 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:47:58,917 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:47:58,917 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:47:58,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:47:58,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:47:58,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:47:58,917 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:47:58,918 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-13 13:47:58,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:47:58,919 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:47:58,920 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:47:58,920 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:47:58,920 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:47:58,920 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:47:58,920 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:47:58,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:47:58,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:47:58,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:47:58,921 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:47:58,921 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-13 13:47:58,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:47:58,922 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:47:58,923 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:47:58,923 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:47:58,923 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:47:58,923 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:47:58,923 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:47:58,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:47:58,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:47:58,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:47:58,924 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:47:58,925 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-13 13:47:58,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:47:58,925 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:47:58,926 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:47:58,926 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 13:47:58,926 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:47:58,926 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 13:47:58,927 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:47:58,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:47:58,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:47:58,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:47:58,927 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:47:58,942 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-10-13 13:47:58,942 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1869225179] [2020-10-13 13:47:58,942 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 13:47:58,942 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2020-10-13 13:47:58,943 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [441929287] [2020-10-13 13:47:58,943 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-10-13 13:47:58,943 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 13:47:58,944 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-10-13 13:47:58,944 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=259, Unknown=0, NotChecked=0, Total=306 [2020-10-13 13:47:58,944 INFO L87 Difference]: Start difference. First operand 596 states and 791 transitions. Second operand 18 states. [2020-10-13 13:47:59,168 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 138 [2020-10-13 13:47:59,700 WARN L193 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 134 [2020-10-13 13:47:59,929 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 87 [2020-10-13 13:48:00,152 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 78 [2020-10-13 13:48:00,310 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 71 [2020-10-13 13:48:00,495 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 72 [2020-10-13 13:48:00,854 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 78 [2020-10-13 13:48:01,013 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 71 [2020-10-13 13:48:01,559 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 101 [2020-10-13 13:48:01,802 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 90 [2020-10-13 13:48:02,010 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 92 [2020-10-13 13:48:02,214 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 135 [2020-10-13 13:48:04,063 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 100 [2020-10-13 13:48:04,299 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 102 [2020-10-13 13:48:04,842 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 91 [2020-10-13 13:48:05,046 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 93 [2020-10-13 13:48:05,592 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 13:48:05,593 INFO L93 Difference]: Finished difference Result 1073 states and 1437 transitions. [2020-10-13 13:48:05,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-10-13 13:48:05,593 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 135 [2020-10-13 13:48:05,594 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 13:48:05,598 INFO L225 Difference]: With dead ends: 1073 [2020-10-13 13:48:05,599 INFO L226 Difference]: Without dead ends: 632 [2020-10-13 13:48:05,600 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 299 ImplicationChecksByTransitivity, 3.9s TimeCoverageRelationStatistics Valid=424, Invalid=1382, Unknown=0, NotChecked=0, Total=1806 [2020-10-13 13:48:05,601 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 632 states. [2020-10-13 13:48:05,664 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 632 to 598. [2020-10-13 13:48:05,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 598 states. [2020-10-13 13:48:05,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 598 states to 598 states and 789 transitions. [2020-10-13 13:48:05,667 INFO L78 Accepts]: Start accepts. Automaton has 598 states and 789 transitions. Word has length 135 [2020-10-13 13:48:05,667 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 13:48:05,667 INFO L479 AbstractCegarLoop]: Abstraction has 598 states and 789 transitions. [2020-10-13 13:48:05,667 INFO L480 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-10-13 13:48:05,667 INFO L276 IsEmpty]: Start isEmpty. Operand 598 states and 789 transitions. [2020-10-13 13:48:05,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2020-10-13 13:48:05,669 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 13:48:05,669 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 13:48:05,669 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-13 13:48:05,669 INFO L427 AbstractCegarLoop]: === Iteration 14 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 13:48:05,670 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 13:48:05,670 INFO L82 PathProgramCache]: Analyzing trace with hash -979314103, now seen corresponding path program 1 times [2020-10-13 13:48:05,670 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 13:48:05,670 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1626731473] [2020-10-13 13:48:05,670 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 13:48:05,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:48:05,700 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:48:05,728 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:48:05,758 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:48:10,688 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:48:10,688 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 179 [2020-10-13 13:48:10,688 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 13:48:10,688 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4999 [2020-10-13 13:48:10,689 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:48:10,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-13 13:48:10,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 13:48:10,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 104 [2020-10-13 13:48:10,689 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:48:10,873 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-13 13:48:10,874 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 13:48:10,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:48:10,883 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:48:10,891 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:48:10,891 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 13:48:10,891 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:48:10,891 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-13 13:48:10,892 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:48:10,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 13:48:10,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:48:10,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-13 13:48:10,892 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:48:10,898 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 13:48:10,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:48:10,900 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:48:10,904 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:48:10,904 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-13 13:48:10,904 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:48:10,904 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 13:48:10,904 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:48:10,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 13:48:10,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:48:10,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-13 13:48:10,905 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:48:10,906 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-13 13:48:10,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:48:10,908 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:48:10,909 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:48:10,909 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 13:48:10,909 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:48:10,909 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:48:10,909 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:48:10,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 13:48:10,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:48:10,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 13:48:10,910 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:48:10,925 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-13 13:48:10,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:48:10,930 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:48:10,937 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:48:10,937 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-13 13:48:10,937 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:48:10,938 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-13 13:48:10,938 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:48:10,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 13:48:10,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:48:10,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-13 13:48:10,938 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:48:10,952 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 13:48:10,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:48:10,954 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:48:10,955 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:48:10,955 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 13:48:10,955 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:48:10,955 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:48:10,955 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:48:10,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:48:10,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:48:10,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:48:10,956 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:48:10,992 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-13 13:48:10,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:48:10,998 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:48:11,007 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:48:11,007 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-13 13:48:11,007 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:48:11,007 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-13 13:48:11,007 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:48:11,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 13:48:11,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:48:11,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-13 13:48:11,008 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:48:11,026 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 13:48:11,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:48:11,028 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:48:11,029 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:48:11,029 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 13:48:11,029 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:48:11,029 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:48:11,029 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:48:11,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:48:11,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:48:11,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:48:11,030 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:48:11,064 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-13 13:48:11,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:48:11,072 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:48:11,078 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:48:11,079 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-13 13:48:11,079 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:48:11,079 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-13 13:48:11,079 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:48:11,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 13:48:11,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:48:11,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-13 13:48:11,079 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:48:11,099 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 13:48:11,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:48:11,101 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:48:11,102 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:48:11,102 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 13:48:11,103 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:48:11,103 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:48:11,103 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:48:11,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:48:11,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:48:11,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:48:11,104 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:48:11,128 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2020-10-13 13:48:11,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:48:11,132 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:48:11,143 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:48:11,144 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-13 13:48:11,144 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:48:11,144 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-13 13:48:11,144 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:48:11,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 13:48:11,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-13 13:48:11,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-13 13:48:11,145 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:48:11,196 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 13:48:11,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:48:11,198 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:48:11,199 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:48:11,199 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 13:48:11,199 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:48:11,200 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:48:11,200 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:48:11,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 13:48:11,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:48:11,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 13:48:11,200 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:48:11,223 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-13 13:48:11,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:48:11,226 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:48:11,227 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:48:11,227 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 13:48:11,228 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:48:11,228 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 13:48:11,228 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:48:11,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 13:48:11,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:48:11,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 13:48:11,229 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:48:11,230 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-13 13:48:11,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:48:11,237 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:48:11,242 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:48:11,242 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-10-13 13:48:11,242 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:48:11,242 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 13:48:11,243 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:48:11,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:48:11,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 52 [2020-10-13 13:48:11,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:48:11,243 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:48:11,247 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:48:11,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:48:11,248 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:48:11,249 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:48:11,249 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 13:48:11,249 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:48:11,249 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:48:11,250 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:48:11,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:48:11,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:48:11,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:48:11,250 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:48:11,252 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-13 13:48:11,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:48:11,253 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:48:11,254 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:48:11,254 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:48:11,254 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:48:11,255 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:48:11,255 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:48:11,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:48:11,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:48:11,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:48:11,255 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:48:11,256 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-13 13:48:11,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:48:11,257 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:48:11,258 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:48:11,258 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:48:11,258 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:48:11,258 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:48:11,258 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:48:11,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:48:11,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:48:11,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:48:11,259 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:48:11,260 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-13 13:48:11,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:48:11,261 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:48:11,262 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:48:11,262 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:48:11,262 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:48:11,262 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:48:11,262 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:48:11,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:48:11,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:48:11,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:48:11,263 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:48:11,264 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-13 13:48:11,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:48:11,264 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:48:11,265 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:48:11,265 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 13:48:11,265 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:48:11,265 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 13:48:11,266 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:48:11,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:48:11,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:48:11,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:48:11,266 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:48:11,281 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-10-13 13:48:11,281 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1626731473] [2020-10-13 13:48:11,281 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 13:48:11,282 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2020-10-13 13:48:11,282 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [390019701] [2020-10-13 13:48:11,282 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-10-13 13:48:11,282 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 13:48:11,282 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-10-13 13:48:11,283 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=197, Unknown=0, NotChecked=0, Total=240 [2020-10-13 13:48:11,283 INFO L87 Difference]: Start difference. First operand 598 states and 789 transitions. Second operand 16 states. [2020-10-13 13:48:11,460 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2020-10-13 13:48:11,804 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2020-10-13 13:48:15,613 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 13:48:15,614 INFO L93 Difference]: Finished difference Result 1051 states and 1405 transitions. [2020-10-13 13:48:15,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2020-10-13 13:48:15,614 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 137 [2020-10-13 13:48:15,615 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 13:48:15,619 INFO L225 Difference]: With dead ends: 1051 [2020-10-13 13:48:15,619 INFO L226 Difference]: Without dead ends: 610 [2020-10-13 13:48:15,621 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 34 SyntacticMatches, 1 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 217 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=338, Invalid=994, Unknown=0, NotChecked=0, Total=1332 [2020-10-13 13:48:15,622 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 610 states. [2020-10-13 13:48:15,689 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 610 to 598. [2020-10-13 13:48:15,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 598 states. [2020-10-13 13:48:15,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 598 states to 598 states and 787 transitions. [2020-10-13 13:48:15,694 INFO L78 Accepts]: Start accepts. Automaton has 598 states and 787 transitions. Word has length 137 [2020-10-13 13:48:15,694 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 13:48:15,694 INFO L479 AbstractCegarLoop]: Abstraction has 598 states and 787 transitions. [2020-10-13 13:48:15,695 INFO L480 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-10-13 13:48:15,695 INFO L276 IsEmpty]: Start isEmpty. Operand 598 states and 787 transitions. [2020-10-13 13:48:15,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2020-10-13 13:48:15,696 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 13:48:15,697 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 13:48:15,697 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-13 13:48:15,697 INFO L427 AbstractCegarLoop]: === Iteration 15 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 13:48:15,697 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 13:48:15,697 INFO L82 PathProgramCache]: Analyzing trace with hash -857905034, now seen corresponding path program 1 times [2020-10-13 13:48:15,698 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 13:48:15,698 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2023144735] [2020-10-13 13:48:15,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 13:48:15,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:48:15,754 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:48:15,800 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:48:15,840 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:48:16,727 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:48:20,734 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:48:20,734 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-13 13:48:20,734 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 13:48:20,734 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-13 13:48:20,734 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:48:20,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-13 13:48:20,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 37 [2020-10-13 13:48:20,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-10-13 13:48:20,735 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:48:20,881 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-13 13:48:20,882 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 13:48:20,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:48:20,886 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:48:20,890 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:48:20,890 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 13:48:20,890 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:48:20,890 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 13:48:20,890 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:48:20,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:48:20,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:48:20,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:48:20,891 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:48:20,893 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 13:48:20,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:48:20,894 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:48:20,895 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:48:20,896 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-13 13:48:20,896 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:48:20,896 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:48:20,896 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:48:20,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:48:20,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:48:20,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:48:20,896 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:48:20,897 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-13 13:48:20,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:48:20,898 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:48:20,899 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:48:20,899 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 13:48:20,899 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:48:20,899 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 13:48:20,899 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:48:20,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:48:20,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:48:20,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:48:20,900 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:48:20,912 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-13 13:48:20,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:48:20,917 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:48:20,922 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:48:20,923 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-13 13:48:20,923 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:48:20,923 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 13:48:20,923 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:48:20,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 13:48:20,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:48:20,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-13 13:48:20,924 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:48:20,937 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 13:48:20,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:48:20,939 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:48:20,940 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:48:20,940 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 13:48:20,940 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:48:20,940 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:48:20,940 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:48:20,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:48:20,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:48:20,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:48:20,941 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:48:20,970 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-13 13:48:20,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:48:20,976 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:48:20,984 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:48:20,984 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-13 13:48:20,984 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:48:20,984 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-13 13:48:20,984 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:48:20,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 13:48:20,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:48:20,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-13 13:48:20,985 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:48:21,000 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 13:48:21,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:48:21,002 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:48:21,003 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:48:21,003 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 13:48:21,003 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:48:21,003 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:48:21,003 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:48:21,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:48:21,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:48:21,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:48:21,004 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:48:21,035 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-13 13:48:21,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:48:21,042 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:48:21,049 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:48:21,049 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-13 13:48:21,049 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:48:21,049 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 13:48:21,049 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:48:21,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 13:48:21,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:48:21,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-13 13:48:21,050 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:48:21,066 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 13:48:21,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:48:21,068 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:48:21,070 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:48:21,070 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 13:48:21,070 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:48:21,070 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:48:21,070 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:48:21,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:48:21,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:48:21,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:48:21,071 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:48:21,096 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2020-10-13 13:48:21,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:48:21,101 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:48:21,113 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:48:21,113 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-13 13:48:21,113 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:48:21,113 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-13 13:48:21,113 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:48:21,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-13 13:48:21,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-13 13:48:21,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27 [2020-10-13 13:48:21,114 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:48:21,207 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 13:48:21,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:48:21,209 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:48:21,211 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:48:21,211 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 13:48:21,212 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:48:21,212 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 13:48:21,212 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:48:21,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 13:48:21,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:48:21,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 13:48:21,213 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:48:21,239 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 13:48:21,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:48:21,242 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:48:21,243 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:48:21,243 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 13:48:21,243 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:48:21,243 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:48:21,243 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:48:21,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 13:48:21,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:48:21,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 13:48:21,244 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:48:21,245 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-13 13:48:21,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:48:21,250 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:48:21,255 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:48:21,255 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-10-13 13:48:21,256 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:48:21,256 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 13:48:21,256 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:48:21,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:48:21,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 52 [2020-10-13 13:48:21,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:48:21,256 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:48:21,258 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:48:21,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:48:21,259 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:48:21,260 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:48:21,260 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 13:48:21,260 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:48:21,260 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 13:48:21,260 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:48:21,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:48:21,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:48:21,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:48:21,261 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:48:21,262 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-13 13:48:21,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:48:21,262 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:48:21,263 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:48:21,263 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:48:21,264 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:48:21,264 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:48:21,264 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:48:21,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:48:21,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:48:21,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:48:21,264 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:48:21,265 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-13 13:48:21,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:48:21,266 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:48:21,267 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:48:21,267 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:48:21,267 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:48:21,267 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:48:21,267 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:48:21,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:48:21,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:48:21,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:48:21,267 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:48:21,269 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-13 13:48:21,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:48:21,270 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:48:21,270 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:48:21,270 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:48:21,271 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:48:21,271 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:48:21,271 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:48:21,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:48:21,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:48:21,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:48:21,271 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:48:21,272 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-13 13:48:21,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:48:21,273 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:48:21,273 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:48:21,273 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 13:48:21,274 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:48:21,274 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 13:48:21,274 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:48:21,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:48:21,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:48:21,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:48:21,274 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:48:21,292 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-10-13 13:48:21,292 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2023144735] [2020-10-13 13:48:21,292 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 13:48:21,292 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2020-10-13 13:48:21,292 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1118472881] [2020-10-13 13:48:21,293 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-10-13 13:48:21,293 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 13:48:21,293 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-10-13 13:48:21,294 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=196, Unknown=0, NotChecked=0, Total=240 [2020-10-13 13:48:21,294 INFO L87 Difference]: Start difference. First operand 598 states and 787 transitions. Second operand 16 states. [2020-10-13 13:48:21,458 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 131 [2020-10-13 13:48:22,675 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2020-10-13 13:48:22,821 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2020-10-13 13:48:22,951 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-13 13:48:23,335 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 101 [2020-10-13 13:48:25,484 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 13:48:25,485 INFO L93 Difference]: Finished difference Result 1051 states and 1399 transitions. [2020-10-13 13:48:25,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2020-10-13 13:48:25,486 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 138 [2020-10-13 13:48:25,486 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 13:48:25,490 INFO L225 Difference]: With dead ends: 1051 [2020-10-13 13:48:25,490 INFO L226 Difference]: Without dead ends: 610 [2020-10-13 13:48:25,492 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 225 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=285, Invalid=905, Unknown=0, NotChecked=0, Total=1190 [2020-10-13 13:48:25,493 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 610 states. [2020-10-13 13:48:25,557 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 610 to 598. [2020-10-13 13:48:25,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 598 states. [2020-10-13 13:48:25,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 598 states to 598 states and 785 transitions. [2020-10-13 13:48:25,560 INFO L78 Accepts]: Start accepts. Automaton has 598 states and 785 transitions. Word has length 138 [2020-10-13 13:48:25,561 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 13:48:25,561 INFO L479 AbstractCegarLoop]: Abstraction has 598 states and 785 transitions. [2020-10-13 13:48:25,561 INFO L480 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-10-13 13:48:25,561 INFO L276 IsEmpty]: Start isEmpty. Operand 598 states and 785 transitions. [2020-10-13 13:48:25,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2020-10-13 13:48:25,563 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 13:48:25,563 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 13:48:25,563 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-10-13 13:48:25,563 INFO L427 AbstractCegarLoop]: === Iteration 16 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 13:48:25,563 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 13:48:25,563 INFO L82 PathProgramCache]: Analyzing trace with hash 18113972, now seen corresponding path program 1 times [2020-10-13 13:48:25,564 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 13:48:25,564 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [376048028] [2020-10-13 13:48:25,564 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 13:48:25,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:48:25,623 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:48:25,667 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:48:28,689 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:48:28,691 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-13 13:48:28,691 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 13:48:28,691 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3094 [2020-10-13 13:48:28,691 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:48:28,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-13 13:48:28,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-10-13 13:48:28,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 124 [2020-10-13 13:48:28,692 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:48:28,849 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-13 13:48:28,850 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 13:48:28,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:48:28,855 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:48:28,858 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:48:28,859 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 13:48:28,859 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:48:28,859 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 13:48:28,859 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:48:28,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:48:28,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:48:28,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:48:28,859 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:48:28,861 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 13:48:28,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:48:28,863 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:48:28,866 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:48:28,866 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-13 13:48:28,866 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:48:28,866 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 13:48:28,866 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:48:28,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 13:48:28,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:48:28,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 13:48:28,866 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:48:28,868 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-13 13:48:28,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:48:28,869 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:48:28,870 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:48:28,870 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 13:48:28,870 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:48:28,870 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 13:48:28,870 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:48:28,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 13:48:28,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:48:28,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 13:48:28,871 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:48:28,886 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-13 13:48:28,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:48:28,891 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:48:28,907 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:48:28,908 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-13 13:48:28,908 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:48:28,908 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-13 13:48:28,908 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:48:28,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-13 13:48:28,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-13 13:48:28,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-13 13:48:28,909 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:48:28,943 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 13:48:28,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:48:28,945 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:48:28,948 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:48:28,948 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 13:48:28,948 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:48:28,948 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 13:48:28,949 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:48:28,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 13:48:28,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-13 13:48:28,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-13 13:48:28,949 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:48:28,982 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-13 13:48:28,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:48:28,988 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:48:28,999 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:48:29,000 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-13 13:48:29,000 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:48:29,000 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-13 13:48:29,000 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:48:29,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 13:48:29,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:48:29,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-13 13:48:29,001 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:48:29,021 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 13:48:29,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:48:29,023 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:48:29,024 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:48:29,025 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 13:48:29,025 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:48:29,025 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 13:48:29,025 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:48:29,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:48:29,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:48:29,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:48:29,026 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:48:29,065 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-13 13:48:29,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:48:29,071 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:48:29,077 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:48:29,078 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-13 13:48:29,078 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:48:29,078 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-13 13:48:29,078 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:48:29,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 13:48:29,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:48:29,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-13 13:48:29,078 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:48:29,098 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 13:48:29,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:48:29,100 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:48:29,101 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:48:29,101 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 13:48:29,101 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:48:29,101 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:48:29,101 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:48:29,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:48:29,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:48:29,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:48:29,102 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:48:29,125 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2020-10-13 13:48:29,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:48:29,129 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:48:29,134 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:48:29,134 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-13 13:48:29,134 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:48:29,134 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 13:48:29,134 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:48:29,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 13:48:29,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:48:29,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-13 13:48:29,135 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:48:29,137 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 13:48:29,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:48:29,137 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:48:29,138 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:48:29,138 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 13:48:29,138 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:48:29,138 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 13:48:29,138 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:48:29,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:48:29,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:48:29,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:48:29,139 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:48:29,159 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 13:48:29,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:48:29,160 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:48:29,161 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:48:29,161 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 13:48:29,161 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:48:29,161 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:48:29,162 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:48:29,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:48:29,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:48:29,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:48:29,162 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:48:29,163 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-13 13:48:29,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:48:29,168 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:48:29,184 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:48:29,184 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-10-13 13:48:29,184 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:48:29,184 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-13 13:48:29,184 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:48:29,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 13:48:29,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-13 13:48:29,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 37 [2020-10-13 13:48:29,185 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:48:29,272 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:48:29,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:48:29,273 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:48:29,274 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:48:29,274 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 13:48:29,274 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:48:29,275 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:48:29,275 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:48:29,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:48:29,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:48:29,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:48:29,275 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:48:29,276 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-13 13:48:29,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:48:29,278 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:48:29,281 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:48:29,281 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:48:29,281 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:48:29,281 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 13:48:29,281 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:48:29,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 13:48:29,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:48:29,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 13:48:29,282 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:48:29,298 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-13 13:48:29,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:48:29,300 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:48:29,302 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:48:29,302 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:48:29,302 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:48:29,302 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 13:48:29,303 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:48:29,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 13:48:29,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:48:29,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 13:48:29,303 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:48:29,304 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-13 13:48:29,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:48:29,305 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:48:29,307 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:48:29,307 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:48:29,307 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:48:29,307 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 13:48:29,307 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:48:29,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 13:48:29,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:48:29,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 13:48:29,308 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:48:29,309 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-13 13:48:29,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:48:29,310 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:48:29,311 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:48:29,311 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 13:48:29,311 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:48:29,312 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:48:29,312 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:48:29,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 13:48:29,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:48:29,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 13:48:29,312 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:48:29,329 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-10-13 13:48:29,329 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [376048028] [2020-10-13 13:48:29,330 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 13:48:29,330 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2020-10-13 13:48:29,330 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [117744694] [2020-10-13 13:48:29,330 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-10-13 13:48:29,331 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 13:48:29,331 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-10-13 13:48:29,331 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=291, Unknown=0, NotChecked=0, Total=342 [2020-10-13 13:48:29,331 INFO L87 Difference]: Start difference. First operand 598 states and 785 transitions. Second operand 19 states. [2020-10-13 13:48:29,658 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 133 [2020-10-13 13:48:29,862 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 132 [2020-10-13 13:48:30,351 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 132 [2020-10-13 13:48:31,820 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2020-10-13 13:48:32,145 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 134 [2020-10-13 13:48:32,502 WARN L193 SmtUtils]: Spent 326.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 136 [2020-10-13 13:48:34,231 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 132 [2020-10-13 13:48:34,400 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 135 [2020-10-13 13:48:34,564 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 138 [2020-10-13 13:48:34,719 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2020-10-13 13:48:35,797 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 135 [2020-10-13 13:48:37,717 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 13:48:37,717 INFO L93 Difference]: Finished difference Result 1586 states and 2114 transitions. [2020-10-13 13:48:37,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2020-10-13 13:48:37,718 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 138 [2020-10-13 13:48:37,719 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 13:48:37,725 INFO L225 Difference]: With dead ends: 1586 [2020-10-13 13:48:37,725 INFO L226 Difference]: Without dead ends: 1151 [2020-10-13 13:48:37,728 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 415 ImplicationChecksByTransitivity, 3.7s TimeCoverageRelationStatistics Valid=478, Invalid=1502, Unknown=0, NotChecked=0, Total=1980 [2020-10-13 13:48:37,729 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1151 states. [2020-10-13 13:48:37,851 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1151 to 1123. [2020-10-13 13:48:37,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1123 states. [2020-10-13 13:48:37,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1123 states to 1123 states and 1492 transitions. [2020-10-13 13:48:37,856 INFO L78 Accepts]: Start accepts. Automaton has 1123 states and 1492 transitions. Word has length 138 [2020-10-13 13:48:37,856 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 13:48:37,856 INFO L479 AbstractCegarLoop]: Abstraction has 1123 states and 1492 transitions. [2020-10-13 13:48:37,856 INFO L480 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-10-13 13:48:37,857 INFO L276 IsEmpty]: Start isEmpty. Operand 1123 states and 1492 transitions. [2020-10-13 13:48:37,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2020-10-13 13:48:37,858 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 13:48:37,858 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 13:48:37,859 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-10-13 13:48:37,859 INFO L427 AbstractCegarLoop]: === Iteration 17 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 13:48:37,859 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 13:48:37,859 INFO L82 PathProgramCache]: Analyzing trace with hash 419362897, now seen corresponding path program 1 times [2020-10-13 13:48:37,859 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 13:48:37,859 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1339680703] [2020-10-13 13:48:37,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 13:48:37,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:48:37,917 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:48:38,056 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:48:38,057 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 184 [2020-10-13 13:48:38,057 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:48:38,057 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 165 [2020-10-13 13:48:38,057 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:48:38,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 13:48:38,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 172 [2020-10-13 13:48:38,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-13 13:48:38,058 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:48:38,253 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-13 13:48:38,254 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 13:48:38,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:48:38,258 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:48:38,262 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:48:38,262 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 13:48:38,262 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:48:38,262 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 13:48:38,262 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:48:38,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:48:38,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:48:38,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:48:38,263 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:48:38,265 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 13:48:38,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:48:38,266 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:48:38,268 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:48:38,268 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-13 13:48:38,268 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:48:38,268 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 13:48:38,269 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:48:38,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:48:38,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:48:38,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:48:38,269 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:48:38,270 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-13 13:48:38,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:48:38,271 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:48:38,272 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:48:38,272 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 13:48:38,272 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:48:38,272 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 13:48:38,272 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:48:38,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:48:38,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:48:38,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:48:38,273 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:48:38,289 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-13 13:48:38,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:48:38,291 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:48:38,295 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:48:38,295 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-13 13:48:38,295 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:48:38,295 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 13:48:38,295 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:48:38,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:48:38,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:48:38,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:48:38,296 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:48:38,313 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 13:48:38,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:48:38,315 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:48:38,316 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:48:38,316 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 13:48:38,316 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:48:38,317 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:48:38,317 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:48:38,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:48:38,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:48:38,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:48:38,317 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:48:38,350 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-13 13:48:38,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:48:38,354 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:48:38,358 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:48:38,358 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-13 13:48:38,358 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:48:38,358 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 13:48:38,359 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:48:38,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:48:38,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:48:38,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:48:38,359 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:48:38,378 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 13:48:38,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:48:38,380 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:48:38,384 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:48:38,384 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 13:48:38,384 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:48:38,384 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 13:48:38,385 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:48:38,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:48:38,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:48:38,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:48:38,385 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:48:38,452 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-13 13:48:38,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:48:38,455 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:48:38,458 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:48:38,458 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-13 13:48:38,459 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:48:38,459 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 13:48:38,459 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:48:38,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:48:38,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:48:38,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:48:38,459 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:48:38,479 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 13:48:38,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:48:38,481 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:48:38,482 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:48:38,482 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 13:48:38,482 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:48:38,482 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:48:38,482 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:48:38,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:48:38,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:48:38,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:48:38,483 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:48:38,512 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2020-10-13 13:48:38,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:48:38,514 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:48:38,516 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:48:38,517 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-13 13:48:38,517 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:48:38,517 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 13:48:38,517 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:48:38,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:48:38,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:48:38,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:48:38,517 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:48:38,519 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 13:48:38,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:48:38,520 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:48:38,520 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:48:38,520 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 13:48:38,520 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:48:38,521 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 13:48:38,521 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:48:38,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:48:38,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:48:38,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:48:38,521 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:48:38,542 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 13:48:38,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:48:38,544 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:48:38,545 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:48:38,545 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 13:48:38,545 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:48:38,545 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:48:38,545 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:48:38,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:48:38,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:48:38,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:48:38,546 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:48:38,547 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-13 13:48:38,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:48:38,548 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:48:38,548 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:48:38,548 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 13:48:38,548 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:48:38,549 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 13:48:38,549 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:48:38,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:48:38,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:48:38,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:48:38,549 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:48:38,550 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-13 13:48:38,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:48:38,551 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:48:38,551 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:48:38,552 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:48:38,552 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:48:38,552 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:48:38,552 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:48:38,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:48:38,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:48:38,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:48:38,552 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:48:38,553 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2020-10-13 13:48:38,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:48:38,554 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:48:38,555 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:48:38,555 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:48:38,555 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:48:38,555 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:48:38,555 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:48:38,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:48:38,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:48:38,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:48:38,556 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:48:38,556 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2020-10-13 13:48:38,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:48:38,557 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:48:38,558 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:48:38,558 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 13:48:38,558 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:48:38,558 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 13:48:38,558 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:48:38,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:48:38,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:48:38,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:48:38,558 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:48:38,559 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-10-13 13:48:38,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:48:38,560 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:48:38,561 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:48:38,561 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:48:38,561 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:48:38,561 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:48:38,561 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:48:38,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:48:38,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:48:38,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:48:38,562 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:48:38,575 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-10-13 13:48:38,576 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1339680703] [2020-10-13 13:48:38,576 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 13:48:38,576 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-10-13 13:48:38,576 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1398247665] [2020-10-13 13:48:38,576 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-13 13:48:38,577 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 13:48:38,577 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-13 13:48:38,577 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2020-10-13 13:48:38,577 INFO L87 Difference]: Start difference. First operand 1123 states and 1492 transitions. Second operand 13 states. [2020-10-13 13:48:40,266 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2020-10-13 13:48:40,440 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 140 [2020-10-13 13:48:41,381 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 13:48:41,381 INFO L93 Difference]: Finished difference Result 2046 states and 2752 transitions. [2020-10-13 13:48:41,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-13 13:48:41,382 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 140 [2020-10-13 13:48:41,382 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 13:48:41,387 INFO L225 Difference]: With dead ends: 2046 [2020-10-13 13:48:41,387 INFO L226 Difference]: Without dead ends: 1147 [2020-10-13 13:48:41,390 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=144, Invalid=318, Unknown=0, NotChecked=0, Total=462 [2020-10-13 13:48:41,392 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1147 states. [2020-10-13 13:48:41,518 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1147 to 1147. [2020-10-13 13:48:41,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1147 states. [2020-10-13 13:48:41,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1147 states to 1147 states and 1510 transitions. [2020-10-13 13:48:41,523 INFO L78 Accepts]: Start accepts. Automaton has 1147 states and 1510 transitions. Word has length 140 [2020-10-13 13:48:41,523 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 13:48:41,523 INFO L479 AbstractCegarLoop]: Abstraction has 1147 states and 1510 transitions. [2020-10-13 13:48:41,523 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-13 13:48:41,524 INFO L276 IsEmpty]: Start isEmpty. Operand 1147 states and 1510 transitions. [2020-10-13 13:48:41,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2020-10-13 13:48:41,525 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 13:48:41,526 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 13:48:41,526 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-10-13 13:48:41,526 INFO L427 AbstractCegarLoop]: === Iteration 18 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 13:48:41,526 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 13:48:41,526 INFO L82 PathProgramCache]: Analyzing trace with hash -1576273948, now seen corresponding path program 1 times [2020-10-13 13:48:41,527 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 13:48:41,527 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1447133043] [2020-10-13 13:48:41,527 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 13:48:41,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:48:41,595 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:48:41,654 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:48:43,888 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:48:43,889 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 190 [2020-10-13 13:48:43,889 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 13:48:43,889 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2323 [2020-10-13 13:48:43,889 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:48:43,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-13 13:48:43,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-13 13:48:43,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 137 [2020-10-13 13:48:43,890 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:48:44,065 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-13 13:48:44,065 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 13:48:44,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:48:44,070 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:48:44,072 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:48:44,073 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 13:48:44,073 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:48:44,073 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 13:48:44,073 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:48:44,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:48:44,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:48:44,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:48:44,074 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:48:44,076 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 13:48:44,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:48:44,079 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:48:44,082 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:48:44,082 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-13 13:48:44,082 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:48:44,083 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 13:48:44,083 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:48:44,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 13:48:44,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:48:44,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-13 13:48:44,083 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:48:44,086 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-13 13:48:44,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:48:44,088 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:48:44,090 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:48:44,090 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 13:48:44,090 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:48:44,090 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 13:48:44,090 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:48:44,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 13:48:44,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:48:44,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 13:48:44,091 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:48:44,108 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-13 13:48:44,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:48:44,113 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:48:44,119 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:48:44,120 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-13 13:48:44,120 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:48:44,120 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 13:48:44,120 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:48:44,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 13:48:44,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:48:44,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-13 13:48:44,120 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:48:44,136 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 13:48:44,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:48:44,138 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:48:44,139 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:48:44,139 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 13:48:44,139 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:48:44,139 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:48:44,139 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:48:44,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:48:44,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:48:44,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:48:44,140 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:48:44,173 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-13 13:48:44,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:48:44,184 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:48:44,213 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:48:44,213 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-13 13:48:44,213 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:48:44,213 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-10-13 13:48:44,213 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:48:44,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-13 13:48:44,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-13 13:48:44,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-10-13 13:48:44,214 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:48:44,260 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 13:48:44,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:48:44,263 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:48:44,266 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:48:44,267 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 13:48:44,267 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:48:44,267 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 13:48:44,267 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:48:44,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 13:48:44,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-13 13:48:44,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-13 13:48:44,267 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:48:44,307 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-13 13:48:44,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:48:44,312 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:48:44,320 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:48:44,321 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-13 13:48:44,321 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:48:44,321 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-13 13:48:44,321 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:48:44,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 13:48:44,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:48:44,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-13 13:48:44,322 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:48:44,344 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 13:48:44,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:48:44,346 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:48:44,347 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:48:44,348 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 13:48:44,348 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:48:44,348 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:48:44,348 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:48:44,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:48:44,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:48:44,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:48:44,348 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:48:44,374 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2020-10-13 13:48:44,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:48:44,379 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:48:44,383 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:48:44,384 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-13 13:48:44,384 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:48:44,384 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 13:48:44,384 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:48:44,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 13:48:44,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:48:44,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-13 13:48:44,384 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:48:44,386 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 13:48:44,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:48:44,387 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:48:44,388 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:48:44,388 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 13:48:44,388 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:48:44,388 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 13:48:44,388 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:48:44,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:48:44,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:48:44,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:48:44,389 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:48:44,412 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 13:48:44,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:48:44,414 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:48:44,414 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:48:44,414 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 13:48:44,415 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:48:44,415 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:48:44,415 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:48:44,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:48:44,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:48:44,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:48:44,415 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:48:44,416 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-13 13:48:44,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:48:44,423 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:48:44,428 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:48:44,514 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:48:44,514 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 65 [2020-10-13 13:48:44,514 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 13:48:44,514 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 93 [2020-10-13 13:48:44,514 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:48:44,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 13:48:44,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 36 [2020-10-13 13:48:44,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27 [2020-10-13 13:48:44,515 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:48:44,580 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:48:44,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:48:44,582 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:48:44,583 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:48:44,583 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 13:48:44,583 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:48:44,583 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:48:44,584 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:48:44,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:48:44,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:48:44,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:48:44,584 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:48:44,585 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-13 13:48:44,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:48:44,586 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:48:44,587 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:48:44,587 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:48:44,587 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:48:44,587 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:48:44,587 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:48:44,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:48:44,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:48:44,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:48:44,588 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:48:44,589 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-13 13:48:44,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:48:44,590 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:48:44,590 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:48:44,591 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:48:44,591 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:48:44,591 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:48:44,591 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:48:44,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:48:44,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:48:44,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:48:44,591 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:48:44,592 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-13 13:48:44,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:48:44,594 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:48:44,596 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:48:44,596 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:48:44,596 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:48:44,596 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 13:48:44,596 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:48:44,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 13:48:44,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:48:44,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 13:48:44,597 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:48:44,616 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-13 13:48:44,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:48:44,619 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:48:44,621 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:48:44,621 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:48:44,621 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:48:44,621 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 13:48:44,621 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:48:44,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 13:48:44,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:48:44,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 13:48:44,622 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:48:44,625 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-13 13:48:44,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:48:44,626 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:48:44,628 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:48:44,628 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 13:48:44,628 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:48:44,628 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:48:44,628 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:48:44,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 13:48:44,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:48:44,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 13:48:44,629 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:48:44,650 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-10-13 13:48:44,650 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1447133043] [2020-10-13 13:48:44,650 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 13:48:44,650 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2020-10-13 13:48:44,651 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1150214530] [2020-10-13 13:48:44,651 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-10-13 13:48:44,651 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 13:48:44,651 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-10-13 13:48:44,652 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=292, Unknown=0, NotChecked=0, Total=342 [2020-10-13 13:48:44,652 INFO L87 Difference]: Start difference. First operand 1147 states and 1510 transitions. Second operand 19 states. [2020-10-13 13:48:44,902 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 137 [2020-10-13 13:48:45,100 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2020-10-13 13:48:46,227 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2020-10-13 13:48:47,585 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2020-10-13 13:48:49,162 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2020-10-13 13:48:49,729 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 132 [2020-10-13 13:48:50,011 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 132 [2020-10-13 13:48:50,261 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 132 [2020-10-13 13:48:50,541 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 138 [2020-10-13 13:48:50,811 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2020-10-13 13:48:51,076 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2020-10-13 13:48:51,657 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 138 [2020-10-13 13:48:53,014 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2020-10-13 13:48:54,247 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2020-10-13 13:48:55,177 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 13:48:55,177 INFO L93 Difference]: Finished difference Result 2558 states and 3324 transitions. [2020-10-13 13:48:55,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2020-10-13 13:48:55,178 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 146 [2020-10-13 13:48:55,178 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 13:48:55,186 INFO L225 Difference]: With dead ends: 2558 [2020-10-13 13:48:55,186 INFO L226 Difference]: Without dead ends: 1657 [2020-10-13 13:48:55,189 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 530 ImplicationChecksByTransitivity, 4.7s TimeCoverageRelationStatistics Valid=549, Invalid=1901, Unknown=0, NotChecked=0, Total=2450 [2020-10-13 13:48:55,191 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1657 states. [2020-10-13 13:48:55,332 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1657 to 1159. [2020-10-13 13:48:55,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1159 states. [2020-10-13 13:48:55,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1159 states to 1159 states and 1481 transitions. [2020-10-13 13:48:55,336 INFO L78 Accepts]: Start accepts. Automaton has 1159 states and 1481 transitions. Word has length 146 [2020-10-13 13:48:55,337 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 13:48:55,337 INFO L479 AbstractCegarLoop]: Abstraction has 1159 states and 1481 transitions. [2020-10-13 13:48:55,337 INFO L480 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-10-13 13:48:55,337 INFO L276 IsEmpty]: Start isEmpty. Operand 1159 states and 1481 transitions. [2020-10-13 13:48:55,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2020-10-13 13:48:55,338 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 13:48:55,339 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 13:48:55,339 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-10-13 13:48:55,339 INFO L427 AbstractCegarLoop]: === Iteration 19 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 13:48:55,339 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 13:48:55,339 INFO L82 PathProgramCache]: Analyzing trace with hash 1327613769, now seen corresponding path program 1 times [2020-10-13 13:48:55,340 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 13:48:55,340 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [274559577] [2020-10-13 13:48:55,340 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 13:48:55,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:48:55,382 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:48:55,458 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:48:55,902 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:48:55,903 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 191 [2020-10-13 13:48:55,903 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 13:48:55,903 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 536 [2020-10-13 13:48:55,903 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:48:55,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-13 13:48:55,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 80 [2020-10-13 13:48:55,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 100 [2020-10-13 13:48:55,904 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:48:56,065 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-13 13:48:56,066 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 13:48:56,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:48:56,070 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:48:56,074 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:48:56,074 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 13:48:56,074 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:48:56,074 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 13:48:56,074 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:48:56,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:48:56,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:48:56,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:48:56,075 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:48:56,077 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 13:48:56,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:48:56,078 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:48:56,079 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:48:56,079 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-13 13:48:56,080 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:48:56,080 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:48:56,080 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:48:56,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:48:56,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:48:56,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:48:56,080 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:48:56,081 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-13 13:48:56,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:48:56,082 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:48:56,083 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:48:56,083 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 13:48:56,083 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:48:56,083 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 13:48:56,083 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:48:56,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:48:56,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:48:56,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:48:56,083 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:48:56,099 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-13 13:48:56,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:48:56,102 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:48:56,106 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:48:56,106 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-13 13:48:56,107 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:48:56,107 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 13:48:56,107 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:48:56,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:48:56,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:48:56,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:48:56,107 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:48:56,120 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 13:48:56,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:48:56,122 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:48:56,123 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:48:56,124 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 13:48:56,124 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:48:56,124 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:48:56,124 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:48:56,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:48:56,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:48:56,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:48:56,125 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:48:56,157 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-13 13:48:56,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:48:56,160 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:48:56,170 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:48:56,170 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-13 13:48:56,170 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:48:56,171 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-13 13:48:56,171 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:48:56,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:48:56,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:48:56,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:48:56,172 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:48:56,195 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 13:48:56,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:48:56,198 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:48:56,198 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:48:56,198 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 13:48:56,199 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:48:56,199 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:48:56,199 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:48:56,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:48:56,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:48:56,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:48:56,199 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:48:56,234 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-13 13:48:56,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:48:56,241 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:48:56,253 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:48:56,253 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-13 13:48:56,253 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:48:56,253 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-13 13:48:56,253 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:48:56,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 13:48:56,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:48:56,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-13 13:48:56,254 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:48:56,292 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 13:48:56,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:48:56,295 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:48:56,296 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:48:56,296 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 13:48:56,297 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:48:56,297 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 13:48:56,297 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:48:56,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 13:48:56,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:48:56,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 13:48:56,297 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:48:56,336 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2020-10-13 13:48:56,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:48:56,341 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:48:56,345 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:48:56,346 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-13 13:48:56,346 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:48:56,346 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 13:48:56,346 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:48:56,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 13:48:56,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:48:56,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-13 13:48:56,347 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:48:56,349 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 13:48:56,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:48:56,350 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:48:56,350 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:48:56,351 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 13:48:56,351 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:48:56,351 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:48:56,351 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:48:56,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:48:56,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:48:56,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:48:56,352 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:48:56,375 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 13:48:56,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:48:56,377 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:48:56,378 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:48:56,378 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 13:48:56,379 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:48:56,379 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:48:56,379 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:48:56,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:48:56,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:48:56,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:48:56,380 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:48:56,381 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-13 13:48:56,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:48:56,390 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:48:56,418 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:48:56,419 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 66 [2020-10-13 13:48:56,419 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:48:56,419 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-10-13 13:48:56,419 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:48:56,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 13:48:56,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 54 [2020-10-13 13:48:56,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-13 13:48:56,419 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:48:56,519 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:48:56,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:48:56,521 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:48:56,522 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:48:56,522 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 13:48:56,522 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:48:56,522 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:48:56,522 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:48:56,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:48:56,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:48:56,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:48:56,523 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:48:56,524 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-13 13:48:56,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:48:56,524 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:48:56,525 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:48:56,525 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:48:56,525 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:48:56,526 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:48:56,526 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:48:56,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:48:56,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:48:56,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:48:56,526 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:48:56,527 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-13 13:48:56,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:48:56,528 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:48:56,529 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:48:56,529 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:48:56,529 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:48:56,529 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:48:56,529 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:48:56,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:48:56,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:48:56,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:48:56,530 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:48:56,531 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-13 13:48:56,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:48:56,531 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:48:56,532 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:48:56,532 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 13:48:56,532 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:48:56,532 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 13:48:56,532 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:48:56,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:48:56,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:48:56,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:48:56,533 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:48:56,534 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-13 13:48:56,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:48:56,534 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:48:56,535 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:48:56,536 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:48:56,536 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:48:56,536 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:48:56,536 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:48:56,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:48:56,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:48:56,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:48:56,537 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:48:56,538 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-13 13:48:56,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:48:56,539 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:48:56,541 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:48:56,541 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 13:48:56,541 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:48:56,541 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 13:48:56,542 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:48:56,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 13:48:56,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:48:56,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 13:48:56,542 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:48:56,592 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-10-13 13:48:56,592 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [274559577] [2020-10-13 13:48:56,592 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 13:48:56,593 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2020-10-13 13:48:56,593 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [683673351] [2020-10-13 13:48:56,593 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-10-13 13:48:56,593 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 13:48:56,593 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-10-13 13:48:56,594 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=261, Unknown=0, NotChecked=0, Total=306 [2020-10-13 13:48:56,594 INFO L87 Difference]: Start difference. First operand 1159 states and 1481 transitions. Second operand 18 states. [2020-10-13 13:48:56,835 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 141 [2020-10-13 13:48:57,042 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 140 [2020-10-13 13:48:59,013 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 141 [2020-10-13 13:49:00,743 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 144 [2020-10-13 13:49:00,940 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 144 [2020-10-13 13:49:01,162 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 144 [2020-10-13 13:49:01,367 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 144 [2020-10-13 13:49:01,571 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 147 [2020-10-13 13:49:01,777 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification that was a NOOP. DAG size: 146 [2020-10-13 13:49:05,501 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 140 [2020-10-13 13:49:07,769 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 13:49:07,770 INFO L93 Difference]: Finished difference Result 2872 states and 3805 transitions. [2020-10-13 13:49:07,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2020-10-13 13:49:07,770 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 147 [2020-10-13 13:49:07,771 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 13:49:07,778 INFO L225 Difference]: With dead ends: 2872 [2020-10-13 13:49:07,778 INFO L226 Difference]: Without dead ends: 2057 [2020-10-13 13:49:07,781 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 45 SyntacticMatches, 1 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 509 ImplicationChecksByTransitivity, 4.0s TimeCoverageRelationStatistics Valid=503, Invalid=1849, Unknown=0, NotChecked=0, Total=2352 [2020-10-13 13:49:07,783 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2057 states. [2020-10-13 13:49:08,001 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2057 to 1606. [2020-10-13 13:49:08,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1606 states. [2020-10-13 13:49:08,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1606 states to 1606 states and 2043 transitions. [2020-10-13 13:49:08,007 INFO L78 Accepts]: Start accepts. Automaton has 1606 states and 2043 transitions. Word has length 147 [2020-10-13 13:49:08,009 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 13:49:08,009 INFO L479 AbstractCegarLoop]: Abstraction has 1606 states and 2043 transitions. [2020-10-13 13:49:08,009 INFO L480 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-10-13 13:49:08,009 INFO L276 IsEmpty]: Start isEmpty. Operand 1606 states and 2043 transitions. [2020-10-13 13:49:08,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2020-10-13 13:49:08,011 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 13:49:08,011 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 13:49:08,012 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-10-13 13:49:08,012 INFO L427 AbstractCegarLoop]: === Iteration 20 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 13:49:08,012 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 13:49:08,012 INFO L82 PathProgramCache]: Analyzing trace with hash -724890759, now seen corresponding path program 1 times [2020-10-13 13:49:08,012 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 13:49:08,012 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1302078063] [2020-10-13 13:49:08,012 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 13:49:08,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:49:08,062 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:08,182 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:08,457 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:49:08,458 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 192 [2020-10-13 13:49:08,458 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 13:49:08,458 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 412 [2020-10-13 13:49:08,458 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:49:08,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-13 13:49:08,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 60 [2020-10-13 13:49:08,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 102 [2020-10-13 13:49:08,458 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:49:08,622 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-13 13:49:08,623 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 13:49:08,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:49:08,628 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:08,631 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:49:08,631 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 13:49:08,631 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:49:08,631 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 13:49:08,632 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:49:08,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:49:08,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:49:08,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:49:08,632 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:49:08,634 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 13:49:08,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:49:08,635 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:08,637 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:49:08,637 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-13 13:49:08,637 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:49:08,638 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:49:08,638 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:49:08,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:49:08,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:49:08,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:49:08,638 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:49:08,639 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-13 13:49:08,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:49:08,640 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:08,641 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:49:08,641 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 13:49:08,641 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:49:08,641 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 13:49:08,641 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:49:08,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:49:08,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:49:08,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:49:08,642 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:49:08,657 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-13 13:49:08,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:49:08,659 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:08,663 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:49:08,663 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-13 13:49:08,663 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:49:08,663 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 13:49:08,663 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:49:08,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:49:08,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:49:08,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:49:08,664 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:49:08,676 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 13:49:08,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:49:08,678 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:08,679 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:49:08,680 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 13:49:08,680 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:49:08,680 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:49:08,680 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:49:08,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:49:08,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:49:08,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:49:08,681 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:49:08,712 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-13 13:49:08,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:49:08,718 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:08,726 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:49:08,726 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-13 13:49:08,726 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:49:08,726 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-13 13:49:08,727 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:49:08,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 13:49:08,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:49:08,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 13:49:08,727 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:49:08,746 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 13:49:08,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:49:08,748 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:08,750 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:49:08,750 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 13:49:08,750 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:49:08,750 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 13:49:08,750 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:49:08,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 13:49:08,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:49:08,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 13:49:08,751 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:49:08,798 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-10-13 13:49:08,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:49:08,804 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:08,812 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:49:08,812 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-13 13:49:08,812 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:49:08,812 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-13 13:49:08,813 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:49:08,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 13:49:08,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:49:08,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-13 13:49:08,813 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:49:08,833 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 13:49:08,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:49:08,835 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:08,836 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:49:08,837 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 13:49:08,837 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:49:08,837 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:49:08,837 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:49:08,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:49:08,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:49:08,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:49:08,838 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:49:08,863 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2020-10-13 13:49:08,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:49:08,869 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:08,874 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:49:08,875 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-13 13:49:08,875 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:49:08,875 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 13:49:08,875 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:49:08,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 13:49:08,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:49:08,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-13 13:49:08,876 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:49:08,879 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 13:49:08,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:49:08,880 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:08,881 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:49:08,881 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 13:49:08,881 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:49:08,881 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:49:08,881 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:49:08,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:49:08,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:49:08,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:49:08,882 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:49:08,907 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 13:49:08,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:49:08,909 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:08,910 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:49:08,910 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 13:49:08,910 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:49:08,910 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:49:08,911 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:49:08,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:49:08,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:49:08,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:49:08,911 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:49:08,912 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-13 13:49:08,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:49:08,919 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:08,942 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:49:08,942 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 67 [2020-10-13 13:49:08,943 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:49:08,943 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-13 13:49:08,943 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:49:08,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-13 13:49:08,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-13 13:49:08,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 62 [2020-10-13 13:49:08,943 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:49:09,086 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:49:09,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:49:09,089 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:09,090 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:49:09,091 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 13:49:09,091 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:49:09,091 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 13:49:09,091 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:49:09,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 13:49:09,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:49:09,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 13:49:09,092 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:49:09,093 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 13:49:09,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:49:09,094 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:09,096 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:49:09,096 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:49:09,097 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:49:09,097 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 13:49:09,097 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:49:09,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 13:49:09,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:49:09,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 13:49:09,097 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:49:09,098 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-13 13:49:09,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:49:09,100 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:09,102 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:49:09,102 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:49:09,102 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:49:09,102 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 13:49:09,102 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:49:09,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 13:49:09,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:49:09,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 13:49:09,102 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:49:09,103 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-13 13:49:09,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:49:09,105 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:09,108 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:49:09,108 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 13:49:09,109 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:49:09,109 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 13:49:09,109 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:49:09,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 13:49:09,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:49:09,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 13:49:09,110 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:49:09,139 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-13 13:49:09,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:49:09,142 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:09,144 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:49:09,144 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:49:09,144 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:49:09,145 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 13:49:09,145 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:49:09,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 13:49:09,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:49:09,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 13:49:09,145 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:49:09,146 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-13 13:49:09,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:49:09,148 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:09,149 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:49:09,149 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 13:49:09,149 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:49:09,149 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:49:09,149 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:49:09,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 13:49:09,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:49:09,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 13:49:09,150 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:49:09,169 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-10-13 13:49:09,169 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1302078063] [2020-10-13 13:49:09,170 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 13:49:09,170 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2020-10-13 13:49:09,170 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1225234090] [2020-10-13 13:49:09,170 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-10-13 13:49:09,170 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 13:49:09,170 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-10-13 13:49:09,171 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=260, Unknown=0, NotChecked=0, Total=306 [2020-10-13 13:49:09,171 INFO L87 Difference]: Start difference. First operand 1606 states and 2043 transitions. Second operand 18 states. [2020-10-13 13:49:09,371 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 131 [2020-10-13 13:49:10,676 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 135 [2020-10-13 13:49:11,890 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2020-10-13 13:49:12,998 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2020-10-13 13:49:13,184 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 137 [2020-10-13 13:49:13,398 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 137 [2020-10-13 13:49:13,754 WARN L193 SmtUtils]: Spent 326.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 137 [2020-10-13 13:49:17,596 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 13:49:17,596 INFO L93 Difference]: Finished difference Result 2846 states and 3671 transitions. [2020-10-13 13:49:17,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2020-10-13 13:49:17,597 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 148 [2020-10-13 13:49:17,597 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 13:49:17,604 INFO L225 Difference]: With dead ends: 2846 [2020-10-13 13:49:17,605 INFO L226 Difference]: Without dead ends: 1730 [2020-10-13 13:49:17,608 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 283 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=381, Invalid=1179, Unknown=0, NotChecked=0, Total=1560 [2020-10-13 13:49:17,609 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1730 states. [2020-10-13 13:49:17,812 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1730 to 1567. [2020-10-13 13:49:17,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1567 states. [2020-10-13 13:49:17,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1567 states to 1567 states and 1985 transitions. [2020-10-13 13:49:17,816 INFO L78 Accepts]: Start accepts. Automaton has 1567 states and 1985 transitions. Word has length 148 [2020-10-13 13:49:17,816 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 13:49:17,817 INFO L479 AbstractCegarLoop]: Abstraction has 1567 states and 1985 transitions. [2020-10-13 13:49:17,817 INFO L480 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-10-13 13:49:17,817 INFO L276 IsEmpty]: Start isEmpty. Operand 1567 states and 1985 transitions. [2020-10-13 13:49:17,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2020-10-13 13:49:17,819 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 13:49:17,819 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 13:49:17,819 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2020-10-13 13:49:17,819 INFO L427 AbstractCegarLoop]: === Iteration 21 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 13:49:17,819 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 13:49:17,820 INFO L82 PathProgramCache]: Analyzing trace with hash -1006721343, now seen corresponding path program 1 times [2020-10-13 13:49:17,820 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 13:49:17,820 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1199630380] [2020-10-13 13:49:17,820 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 13:49:17,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:49:17,861 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:17,975 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:49:17,975 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 192 [2020-10-13 13:49:17,975 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:49:17,976 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 129 [2020-10-13 13:49:17,976 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:49:17,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 13:49:17,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 66 [2020-10-13 13:49:17,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 116 [2020-10-13 13:49:17,976 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:49:18,151 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-13 13:49:18,153 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 13:49:18,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:49:18,156 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:18,160 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:49:18,160 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 13:49:18,160 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:49:18,160 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 13:49:18,160 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:49:18,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:49:18,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:49:18,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:49:18,161 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:49:18,163 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 13:49:18,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:49:18,164 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:18,167 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:49:18,167 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-13 13:49:18,167 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:49:18,167 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 13:49:18,167 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:49:18,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:49:18,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:49:18,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:49:18,168 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:49:18,169 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-13 13:49:18,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:49:18,170 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:18,171 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:49:18,171 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 13:49:18,171 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:49:18,171 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 13:49:18,171 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:49:18,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:49:18,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:49:18,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:49:18,172 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:49:18,187 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-13 13:49:18,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:49:18,189 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:18,193 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:49:18,193 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-13 13:49:18,193 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:49:18,194 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 13:49:18,194 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:49:18,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:49:18,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:49:18,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:49:18,194 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:49:18,211 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 13:49:18,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:49:18,213 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:18,214 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:49:18,214 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 13:49:18,214 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:49:18,215 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:49:18,215 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:49:18,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:49:18,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:49:18,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:49:18,216 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:49:18,248 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-13 13:49:18,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:49:18,258 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:18,269 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:49:18,269 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-13 13:49:18,269 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:49:18,269 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-13 13:49:18,270 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:49:18,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 13:49:18,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:49:18,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-13 13:49:18,270 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:49:18,306 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 13:49:18,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:49:18,308 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:18,309 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:49:18,309 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 13:49:18,309 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:49:18,309 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:49:18,309 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:49:18,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:49:18,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:49:18,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:49:18,310 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:49:18,347 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-13 13:49:18,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:49:18,353 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:18,362 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:49:18,362 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-13 13:49:18,362 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:49:18,362 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-13 13:49:18,362 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:49:18,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 13:49:18,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:49:18,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-13 13:49:18,363 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:49:18,385 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 13:49:18,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:49:18,386 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:18,387 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:49:18,388 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 13:49:18,388 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:49:18,388 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:49:18,388 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:49:18,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:49:18,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:49:18,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:49:18,389 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:49:18,414 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-13 13:49:18,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:49:18,418 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:18,423 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:49:18,423 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-13 13:49:18,423 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:49:18,423 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 13:49:18,423 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:49:18,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 13:49:18,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:49:18,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-13 13:49:18,424 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:49:18,426 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 13:49:18,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:49:18,426 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:18,427 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:49:18,427 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 13:49:18,427 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:49:18,427 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 13:49:18,427 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:49:18,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:49:18,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:49:18,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:49:18,428 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:49:18,449 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 13:49:18,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:49:18,451 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:18,452 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:49:18,453 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 13:49:18,453 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:49:18,453 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:49:18,453 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:49:18,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:49:18,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:49:18,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:49:18,453 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:49:18,454 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2020-10-13 13:49:18,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:49:18,460 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:18,470 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:49:18,470 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 66 [2020-10-13 13:49:18,470 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:49:18,470 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-13 13:49:18,470 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:49:18,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 13:49:18,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 59 [2020-10-13 13:49:18,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 13:49:18,471 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:49:18,489 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:49:18,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:49:18,490 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:18,491 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:49:18,492 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 13:49:18,492 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:49:18,492 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:49:18,492 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:49:18,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:49:18,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:49:18,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:49:18,492 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:49:18,493 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-13 13:49:18,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:49:18,494 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:18,495 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:49:18,495 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:49:18,496 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:49:18,496 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:49:18,496 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:49:18,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:49:18,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:49:18,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:49:18,497 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:49:18,498 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-13 13:49:18,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:49:18,499 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:18,500 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:49:18,500 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:49:18,500 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:49:18,500 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:49:18,501 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:49:18,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:49:18,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:49:18,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:49:18,501 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:49:18,503 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-13 13:49:18,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:49:18,503 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:18,504 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:49:18,504 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 13:49:18,504 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:49:18,504 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 13:49:18,505 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:49:18,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:49:18,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:49:18,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:49:18,505 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:49:18,506 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-13 13:49:18,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:49:18,506 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:18,507 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:49:18,507 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:49:18,508 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:49:18,508 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:49:18,508 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:49:18,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:49:18,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:49:18,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:49:18,508 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:49:18,509 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-13 13:49:18,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:49:18,510 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:18,510 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:49:18,510 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 13:49:18,510 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:49:18,511 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 13:49:18,511 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:49:18,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:49:18,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:49:18,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:49:18,511 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:49:18,528 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-10-13 13:49:18,528 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1199630380] [2020-10-13 13:49:18,528 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 13:49:18,528 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-10-13 13:49:18,529 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2091497076] [2020-10-13 13:49:18,529 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-13 13:49:18,529 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 13:49:18,529 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-13 13:49:18,530 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=145, Unknown=0, NotChecked=0, Total=182 [2020-10-13 13:49:18,530 INFO L87 Difference]: Start difference. First operand 1567 states and 1985 transitions. Second operand 14 states. [2020-10-13 13:49:18,711 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2020-10-13 13:49:19,826 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2020-10-13 13:49:22,359 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2020-10-13 13:49:25,608 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 13:49:25,608 INFO L93 Difference]: Finished difference Result 4353 states and 5564 transitions. [2020-10-13 13:49:25,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2020-10-13 13:49:25,608 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 148 [2020-10-13 13:49:25,609 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 13:49:25,624 INFO L225 Difference]: With dead ends: 4353 [2020-10-13 13:49:25,624 INFO L226 Difference]: Without dead ends: 3263 [2020-10-13 13:49:25,628 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 43 SyntacticMatches, 1 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 246 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=302, Invalid=958, Unknown=0, NotChecked=0, Total=1260 [2020-10-13 13:49:25,631 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3263 states. [2020-10-13 13:49:25,948 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3263 to 3042. [2020-10-13 13:49:25,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3042 states. [2020-10-13 13:49:25,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3042 states to 3042 states and 3857 transitions. [2020-10-13 13:49:25,955 INFO L78 Accepts]: Start accepts. Automaton has 3042 states and 3857 transitions. Word has length 148 [2020-10-13 13:49:25,955 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 13:49:25,955 INFO L479 AbstractCegarLoop]: Abstraction has 3042 states and 3857 transitions. [2020-10-13 13:49:25,955 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-13 13:49:25,955 INFO L276 IsEmpty]: Start isEmpty. Operand 3042 states and 3857 transitions. [2020-10-13 13:49:25,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2020-10-13 13:49:25,958 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 13:49:25,958 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 13:49:25,958 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2020-10-13 13:49:25,958 INFO L427 AbstractCegarLoop]: === Iteration 22 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 13:49:25,959 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 13:49:25,959 INFO L82 PathProgramCache]: Analyzing trace with hash 1142958390, now seen corresponding path program 1 times [2020-10-13 13:49:25,959 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 13:49:25,959 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [217934389] [2020-10-13 13:49:25,959 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 13:49:25,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:49:26,003 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:26,037 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:26,069 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:27,039 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:27,147 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:30,999 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:49:30,999 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 196 [2020-10-13 13:49:30,999 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 13:49:30,999 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5011 [2020-10-13 13:49:30,999 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:49:30,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-13 13:49:30,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 157 [2020-10-13 13:49:31,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-13 13:49:31,000 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:49:31,216 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-13 13:49:31,217 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 13:49:31,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:49:31,221 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:31,225 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:49:31,225 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 13:49:31,225 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:49:31,225 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 13:49:31,226 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:49:31,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:49:31,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:49:31,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:49:31,226 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:49:31,229 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 13:49:31,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:49:31,230 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:31,232 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:49:31,232 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-13 13:49:31,232 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:49:31,232 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 13:49:31,232 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:49:31,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:49:31,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:49:31,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:49:31,233 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:49:31,234 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-13 13:49:31,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:49:31,235 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:31,235 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:49:31,235 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 13:49:31,236 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:49:31,236 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 13:49:31,236 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:49:31,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:49:31,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:49:31,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:49:31,236 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:49:31,259 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-13 13:49:31,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:49:31,261 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:31,265 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:49:31,265 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-13 13:49:31,265 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:49:31,265 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 13:49:31,265 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:49:31,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:49:31,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:49:31,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:49:31,266 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:49:31,287 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 13:49:31,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:49:31,289 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:31,290 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:49:31,291 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 13:49:31,291 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:49:31,291 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:49:31,291 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:49:31,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:49:31,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:49:31,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:49:31,292 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:49:31,332 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-13 13:49:31,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:49:31,335 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:31,340 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:49:31,340 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-13 13:49:31,340 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:49:31,340 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 13:49:31,340 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:49:31,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:49:31,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:49:31,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:49:31,341 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:49:31,367 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 13:49:31,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:49:31,369 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:31,370 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:49:31,371 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 13:49:31,371 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:49:31,371 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:49:31,371 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:49:31,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:49:31,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:49:31,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:49:31,372 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:49:31,419 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-13 13:49:31,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:49:31,422 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:31,426 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:49:31,427 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-13 13:49:31,427 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:49:31,427 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 13:49:31,427 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:49:31,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:49:31,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:49:31,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:49:31,428 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:49:31,454 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 13:49:31,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:49:31,456 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:31,457 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:49:31,457 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 13:49:31,457 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:49:31,457 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:49:31,458 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:49:31,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:49:31,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:49:31,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:49:31,458 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:49:31,489 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2020-10-13 13:49:31,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:49:31,492 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:31,495 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:49:31,495 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-13 13:49:31,495 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:49:31,495 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 13:49:31,495 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:49:31,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:49:31,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:49:31,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:49:31,496 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:49:31,497 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 13:49:31,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:49:31,498 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:31,499 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:49:31,499 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 13:49:31,499 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:49:31,499 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 13:49:31,499 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:49:31,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:49:31,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:49:31,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:49:31,500 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:49:31,527 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 13:49:31,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:49:31,529 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:31,530 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:49:31,530 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 13:49:31,530 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:49:31,530 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:49:31,531 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:49:31,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:49:31,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:49:31,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:49:31,531 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:49:31,532 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-13 13:49:31,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:49:31,533 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:31,533 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:49:31,534 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 13:49:31,534 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:49:31,534 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 13:49:31,534 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:49:31,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:49:31,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:49:31,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:49:31,534 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:49:31,535 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-13 13:49:31,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:49:31,536 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:31,537 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:49:31,537 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:49:31,537 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:49:31,537 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:49:31,537 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:49:31,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:49:31,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:49:31,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:49:31,538 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:49:31,539 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2020-10-13 13:49:31,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:49:31,540 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:31,541 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:49:31,541 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:49:31,541 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:49:31,541 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:49:31,541 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:49:31,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:49:31,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:49:31,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:49:31,542 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:49:31,543 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2020-10-13 13:49:31,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:49:31,544 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:31,546 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:49:31,546 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:49:31,546 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:49:31,546 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 13:49:31,547 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:49:31,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 13:49:31,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:49:31,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 13:49:31,547 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:49:31,567 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-10-13 13:49:31,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:49:31,570 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:31,574 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:49:31,574 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:49:31,574 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:49:31,574 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 13:49:31,574 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:49:31,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 13:49:31,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:49:31,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 13:49:31,575 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:49:31,577 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2020-10-13 13:49:31,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:49:31,578 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:31,580 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:49:31,580 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 13:49:31,580 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:49:31,580 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 13:49:31,580 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:49:31,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:49:31,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 13:49:31,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:49:31,581 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:49:31,601 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2020-10-13 13:49:31,601 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [217934389] [2020-10-13 13:49:31,601 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 13:49:31,601 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2020-10-13 13:49:31,601 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1061742205] [2020-10-13 13:49:31,602 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-10-13 13:49:31,602 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 13:49:31,602 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-10-13 13:49:31,602 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=229, Unknown=0, NotChecked=0, Total=272 [2020-10-13 13:49:31,602 INFO L87 Difference]: Start difference. First operand 3042 states and 3857 transitions. Second operand 17 states. [2020-10-13 13:49:31,809 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 138 [2020-10-13 13:49:33,968 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification that was a NOOP. DAG size: 132 [2020-10-13 13:49:34,566 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 132 [2020-10-13 13:49:34,734 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 132 [2020-10-13 13:49:34,915 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 140 [2020-10-13 13:49:35,242 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 140 [2020-10-13 13:49:35,480 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 146 [2020-10-13 13:49:35,690 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 144 [2020-10-13 13:49:36,792 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 137 [2020-10-13 13:49:38,336 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 13:49:38,337 INFO L93 Difference]: Finished difference Result 5826 states and 7411 transitions. [2020-10-13 13:49:38,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-10-13 13:49:38,344 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 150 [2020-10-13 13:49:38,345 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 13:49:38,361 INFO L225 Difference]: With dead ends: 5826 [2020-10-13 13:49:38,361 INFO L226 Difference]: Without dead ends: 3427 [2020-10-13 13:49:38,368 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 134 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=334, Invalid=856, Unknown=0, NotChecked=0, Total=1190 [2020-10-13 13:49:38,371 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3427 states. [2020-10-13 13:49:38,690 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3427 to 3140. [2020-10-13 13:49:38,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3140 states. [2020-10-13 13:49:38,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3140 states to 3140 states and 3942 transitions. [2020-10-13 13:49:38,696 INFO L78 Accepts]: Start accepts. Automaton has 3140 states and 3942 transitions. Word has length 150 [2020-10-13 13:49:38,696 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 13:49:38,696 INFO L479 AbstractCegarLoop]: Abstraction has 3140 states and 3942 transitions. [2020-10-13 13:49:38,697 INFO L480 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-10-13 13:49:38,697 INFO L276 IsEmpty]: Start isEmpty. Operand 3140 states and 3942 transitions. [2020-10-13 13:49:38,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2020-10-13 13:49:38,699 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 13:49:38,700 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 13:49:38,700 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2020-10-13 13:49:38,700 INFO L427 AbstractCegarLoop]: === Iteration 23 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 13:49:38,700 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 13:49:38,700 INFO L82 PathProgramCache]: Analyzing trace with hash 339705687, now seen corresponding path program 1 times [2020-10-13 13:49:38,700 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 13:49:38,701 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1087951628] [2020-10-13 13:49:38,701 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 13:49:38,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:49:38,796 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:38,906 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:49:38,906 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 194 [2020-10-13 13:49:38,906 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:49:38,907 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 126 [2020-10-13 13:49:38,907 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:49:38,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 13:49:38,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 86 [2020-10-13 13:49:38,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 99 [2020-10-13 13:49:38,907 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:49:39,086 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-13 13:49:39,086 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 13:49:39,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:49:39,091 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:39,094 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:49:39,094 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 13:49:39,094 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:49:39,095 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 13:49:39,095 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:49:39,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:49:39,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:49:39,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:49:39,095 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:49:39,098 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 13:49:39,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:49:39,099 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:39,100 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:49:39,100 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-13 13:49:39,100 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:49:39,101 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:49:39,101 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:49:39,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:49:39,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:49:39,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:49:39,101 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:49:39,102 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-13 13:49:39,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:49:39,103 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:39,103 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:49:39,104 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 13:49:39,104 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:49:39,104 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 13:49:39,104 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:49:39,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:49:39,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:49:39,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:49:39,104 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:49:39,120 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-13 13:49:39,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:49:39,123 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:39,126 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:49:39,126 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-13 13:49:39,126 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:49:39,126 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 13:49:39,127 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:49:39,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:49:39,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:49:39,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:49:39,127 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:49:39,140 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 13:49:39,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:49:39,142 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:39,143 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:49:39,143 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 13:49:39,143 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:49:39,144 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:49:39,144 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:49:39,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:49:39,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:49:39,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:49:39,144 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:49:39,177 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-13 13:49:39,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:49:39,180 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:39,189 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:49:39,189 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-13 13:49:39,189 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:49:39,189 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-13 13:49:39,190 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:49:39,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:49:39,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:49:39,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:49:39,190 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:49:39,207 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 13:49:39,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:49:39,209 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:39,210 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:49:39,210 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 13:49:39,210 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:49:39,211 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:49:39,211 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:49:39,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:49:39,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:49:39,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:49:39,211 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:49:39,247 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-13 13:49:39,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:49:39,253 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:39,265 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:49:39,265 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-13 13:49:39,265 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:49:39,265 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-13 13:49:39,265 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:49:39,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 13:49:39,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:49:39,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-13 13:49:39,266 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:49:39,304 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 13:49:39,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:49:39,306 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:39,307 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:49:39,307 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 13:49:39,308 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:49:39,308 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:49:39,308 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:49:39,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:49:39,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:49:39,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:49:39,309 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:49:39,334 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-13 13:49:39,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:49:39,339 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:39,343 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:49:39,344 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-13 13:49:39,344 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:49:39,344 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 13:49:39,344 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:49:39,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 13:49:39,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:49:39,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-13 13:49:39,344 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:49:39,346 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 13:49:39,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:49:39,347 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:39,348 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:49:39,348 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 13:49:39,348 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:49:39,348 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 13:49:39,349 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:49:39,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:49:39,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:49:39,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:49:39,349 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:49:39,372 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 13:49:39,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:49:39,374 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:39,375 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:49:39,376 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 13:49:39,376 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:49:39,376 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:49:39,376 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:49:39,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:49:39,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:49:39,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:49:39,377 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:49:39,378 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2020-10-13 13:49:39,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:49:39,384 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:39,393 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:49:39,393 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 68 [2020-10-13 13:49:39,393 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:49:39,393 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-13 13:49:39,393 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:49:39,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 13:49:39,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 62 [2020-10-13 13:49:39,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-13 13:49:39,394 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:49:39,411 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:49:39,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:49:39,412 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:39,413 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:49:39,413 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 13:49:39,413 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:49:39,413 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:49:39,414 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:49:39,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:49:39,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:49:39,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:49:39,414 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:49:39,415 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-13 13:49:39,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:49:39,416 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:39,417 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:49:39,417 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:49:39,417 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:49:39,417 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:49:39,417 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:49:39,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:49:39,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:49:39,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:49:39,418 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:49:39,418 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-13 13:49:39,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:49:39,419 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:39,420 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:49:39,420 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:49:39,420 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:49:39,420 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:49:39,420 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:49:39,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:49:39,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:49:39,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:49:39,421 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:49:39,422 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-13 13:49:39,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:49:39,422 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:39,423 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:49:39,423 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 13:49:39,423 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:49:39,423 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 13:49:39,423 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:49:39,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:49:39,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:49:39,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:49:39,424 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:49:39,425 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-13 13:49:39,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:49:39,425 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:39,426 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:49:39,426 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:49:39,426 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:49:39,426 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 13:49:39,426 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:49:39,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:49:39,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:49:39,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:49:39,427 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:49:39,428 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-13 13:49:39,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:49:39,428 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:39,429 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:49:39,429 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 13:49:39,429 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:49:39,429 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 13:49:39,429 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:49:39,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:49:39,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:49:39,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:49:39,430 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:49:39,447 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-10-13 13:49:39,447 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1087951628] [2020-10-13 13:49:39,447 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 13:49:39,447 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-10-13 13:49:39,447 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1987520810] [2020-10-13 13:49:39,448 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-13 13:49:39,448 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 13:49:39,448 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-13 13:49:39,448 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=145, Unknown=0, NotChecked=0, Total=182 [2020-10-13 13:49:39,449 INFO L87 Difference]: Start difference. First operand 3140 states and 3942 transitions. Second operand 14 states. [2020-10-13 13:49:39,639 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2020-10-13 13:49:42,414 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2020-10-13 13:49:44,718 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2020-10-13 13:49:47,240 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 13:49:47,240 INFO L93 Difference]: Finished difference Result 8354 states and 10634 transitions. [2020-10-13 13:49:47,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-10-13 13:49:47,241 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 150 [2020-10-13 13:49:47,241 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 13:49:47,266 INFO L225 Difference]: With dead ends: 8354 [2020-10-13 13:49:47,266 INFO L226 Difference]: Without dead ends: 6313 [2020-10-13 13:49:47,272 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 285 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=327, Invalid=1079, Unknown=0, NotChecked=0, Total=1406 [2020-10-13 13:49:47,277 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6313 states. [2020-10-13 13:49:48,318 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6313 to 5319. [2020-10-13 13:49:48,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5319 states. [2020-10-13 13:49:48,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5319 states to 5319 states and 6718 transitions. [2020-10-13 13:49:48,329 INFO L78 Accepts]: Start accepts. Automaton has 5319 states and 6718 transitions. Word has length 150 [2020-10-13 13:49:48,330 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 13:49:48,330 INFO L479 AbstractCegarLoop]: Abstraction has 5319 states and 6718 transitions. [2020-10-13 13:49:48,330 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-13 13:49:48,330 INFO L276 IsEmpty]: Start isEmpty. Operand 5319 states and 6718 transitions. [2020-10-13 13:49:48,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2020-10-13 13:49:48,333 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 13:49:48,334 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 13:49:48,334 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2020-10-13 13:49:48,334 INFO L427 AbstractCegarLoop]: === Iteration 24 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 13:49:48,334 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 13:49:48,334 INFO L82 PathProgramCache]: Analyzing trace with hash -2033868196, now seen corresponding path program 1 times [2020-10-13 13:49:48,334 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 13:49:48,335 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [746366027] [2020-10-13 13:49:48,335 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 13:49:48,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:49:48,471 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:48,518 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:48,598 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:49:49,100 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:49:49,100 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 194 [2020-10-13 13:49:49,100 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 13:49:49,100 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 653 [2020-10-13 13:49:49,100 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:49:49,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 13:49:49,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 37 [2020-10-13 13:49:49,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 30 [2020-10-13 13:49:49,101 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0